ASUS RT-AC87U & RT-AC87R – The Best 802.11AC Router

If you are looking for the proverbial “best” high performance wireless router on the market look no further than the ASUS RT-AC87U or AC87R. With that noted wireless is a complex technology and requires many points of consideration including environment, connected devices and usage. In addition there is no “one fits all” solution. With that noted when considering real world performance and features and functionality more often that not the 87U will be at the top of the list when it comes to what you can experience with a high performance router. The new RT-AC87U has risen to the titles of best range, fastest throughput and best storage performance of any current 802.11AC consumer router. It features many first to including the first 4×4 ( 4 stream ) and MU-MIMO ready 802.11AC router. The AC87U and the AC87R routers are identical when it comes to their hardware and design, the difference in their naming comes in where they can be purchased ( the 87R being a BestBuy specific sku ) and the 87U being available at all other retailers an etailers. This new ultra high performance router is truly impressive in respect to its features and functionality as well as was its performance. In addition to a number of advanced hardware designs and advanced specification support the 87U includes a wide range of new features within its award winning ASUS WRT firmware some of these include dual WAN support, more extensive VPN functionality, new parental controls, new advanced security mechanisms powered by TrendMicro. Possibly the most exciting is an entirely new robust intelligent adaptive upstream and downstream QoS. While these features alone could justify a new router these additions are just some of what this new router is packing in regards to its newly improved firmware. As we move through this overview we will cover many of these new features in more detail as well as improvements to other aspects of the firmware including new UI updates and further improvements to the streaming, syncing and sharing functionality offered by the exclusive AiCloud. With the intro out of the way lets jump into more about what makes this router so special and perform and function the way it does.


A closer look at the 87U as well as features and specifications :

The 87U features a number of key specifications including the distinction of being the first “wave 2.0” 802.11AC wireless router. I have detailed some of the most important features and specifications to provide a sense of what the unit brings to the table relative to other wireless routers currently on the market.

  • Ultra-fast Wi-Fi router with a combined dual-band data rate of 2334 Mbps and world’s fastest 5G at 1743 Mbps  ideal for multiple high bit rate video streams as well as local playback of HD or UHD video files,  large file transfers or system backups as well as low-latency online gaming.
  • World’s first 4-antenna, 4-stream design with AiRadar & universal beamforming offering the potential for expansive wireless signal coverage up to or greater than 5,000 square feet (over 465 square meters). Additionally featuring implicit and explicit beamforming ( universal beamforming ) for superior client reception and throughput and environmental response.
  • 2X dual-core CPU with dedicated 5G Wi-Fi processor and unique hardware structure for robust multitasking performance, superior stability and the best WiFi performance for 5GHz 802.11AC as well as simultaneous utilization of 802.11AC with USB 3.0.
  • 256MB DDR and 128MB DDR onboard memory enables roubust performance dedicated memory for each chipset.
  • Built-in USB 2.0 and USB 3.0 ports with high power output design enabling robust connected device flexibility including USB attached storage streaming, syncing or sharing of files via AiCloud, FTP connections and locally connected PCs. Additional support for printers and multi function devices as well as support for ISP connectivity with support for 3G/4G devices. High power output ensures superior compatibility and performance with the widest range of bus powered storage devices.
  • ASUSWRT firmware with advanced graphical user interface for easy, CD-free / sofware-free 30-second setup whether it be on a desktop, notebook, smartphone or tablet. Additionally featuring robust network monitoring, management and control. A class leading firmware offering the most feature complete functionality of any high end performance router including parental controls, VPN, FTP, QoS, wireless parameter adjustment, iTunes media server support, media server interoperability with CE devices, dual WAN, WAN to LAN reassignment for 5 LAN ports, Guest Wi-Fi ( guest SSID ) and much more.
  • Advanced router security and protection with AiProtection with Trend Micro helps to assess and secure your router and minimize exploits, intrusions and other malicious attacks. Additionally it can assist in malware protection and prevention.
  • Newly design advanced Adaptive QoS identifies and categorizes home network traffic to intelligently allocate the optimum bandwidth for each application or  connected device. Based on advanced deep packet inspection  adaptive QoS offers robust optimization with easy management. Additionally it can co operate with NAT acceleration and enables per client prioritization and monitoring.
  • Updated ASUS AiCloud 2.0 to locally connected PCs and attached storage devices to access, sync, share and stream your files from home anywhere you have an internet-connected device. You can even remotely wake up locally connected PCs.
  • Two Stagae Hardware acceleration design “Hardware NAT” offers superior performance and routing throughput.


For Those of you interested in checking out an in depth video overview check out the video below.



Visual overview and connectivity :

RT-AC87U & RT-AC87R Visual overview and connectivity 1

RT-AC87U & RT-AC87R Visual overview and connectivity 2

Visually the 87U is a departure from the previous 68U and a return to the flatter and more angled profile of the AC66U. It incorporates new angles and lines though that offer it a clean but aggressive feel along with a element of premium design highlighted by the lattice finish used on the left and right sides of the unit.

RT-AC87U 1   RT-AC87U 2   RT-AC87U 3   RT-AC87U 4

The 87U has all the key connections one would expect from an enthusiast wireless router. Locally connectivity includes four ( 4 ) Gigabit LAN ports with support for a 5th LAN port via WAN to LAN reassignment available within the firmware. This is a great option for users who will utilize the 87U as an access point as opposed to it default operating mode as a wireless router. In addition the LAN ports supporting teaming functionality enabling the ability to offer higher throughput. Additionally the 87U is primed for multi ISP connectivity or for users who are looking for fail over support, Users can enable dual WAN functionality by reassigning any of the LAN ports to serve as a secondary WAN port. Going along with the robust LAN connectivity you have two USB ports. One port is located in the back and is USB 2.0 based. This connection is great for connection to a multi function printer or printer as well as USB attached storage. The firmware additionally supports connection of 3G & 4G enabled devices. Moving to the front the unit it offers a protected USB 3.0 port. This ports offers truly impressive performance especially under concurrent usage ( when Wi-Fi and USB ) are being utilized at the same time. Due to a dual dual core design and specialized topology the Quantenna 802.11AC 5GHz chipset can work essentially unaffected by the Broadcom 2.4GHz & USB chipset. This enabling outstanding storage performance who are looking for entry level NAS functionality as well as entry level NAS performance out of a router. Rounding out the back you have the remaining connections you would expect including a WPS button, power button, and a recessed reset button. For users who are interested in the DIY approach of potentially improving range and throughput through antenna replacement they will be happy to see the continued use of fully flexible and replaceable antennas.

Moving to the front of the unit there are number of easy to use elements including a quick on and off LED button as well as a Wi-Fi on and off button. In regards to the LEDs they are a soft blue and are present for all keys connections including internet ( WAN ), LAN ( all for ports ), USB, 5GHz and 2.4GHz and power.

What does 4×4 ( 4 stream ) and universal beamforming mean? How does it help me?

When looking at the the 87U one of the  most distinctive elements you immediately see if the utilization of 4 antennas. This is due to the wireless chipset offering true 4 antenna utilization ( 4 stream design ). This is different than other high end routers on the market which may similarly offer 4 antennas but cannot utilize them all at one time. The 87U can fully utilize these antenna by pairing with another 87U in bridge mode or connect to the upcoming EA-87 client adapter, access point, media bridge or repeater. The more important question though is can additional improvement be had in range and throughput with non 4×4 clients such as more entry level products that have 1 stream or 2 stream designs like basic 802.11AC USB adapters or the Wi-Fi in many smartphones, tablets and notebooks? They answer is yes it can. How is that? Two words, reception sensitivity. With the 4×4 design there is an improvement to reception sensitivity and this helps effective range and throughput for all 802.11AC clients including the most common 1×1 or 2×2 or mixed configurations adapters, clients or devices. I had overall improved throughput and performance with adapters like our USB-AC51, USB-AC53 and USB-AC56 as well as others compared to high performance 3×3 ( 3 stream ) wireless routers like the AC66U and AC68U. The great thing about this is users who are utitlizing the highest end performing 3×3 devices like our PCE-AC68 can still realize improvements as well being ready for the with with support for 4×4 client adapters when they become available.

In addition one of the biggest features of the 87U is support for MU-MIMO an advanced technology that can improve signal reception and range and effective throughput. This functionality is hardware ready but not yet enable within the firmware but will be enabled via a update at a later date. The great news is companies have already communicated design and development support for MU-MIMO devices coming as early as late Q4 of this year continuing into early 2015. For those of you who are early adopters of smartphones, tablets and notebooks this means your performance is only going to get better!

For reference I am including a chart for those of you to see what the differences are in peak speeds offered by different stream ( antenna configurations ). Keep in mind these are theoretical numbers and in the real world you have to factor aspects that affect these numbers including environment, overhead, number of connected devices, mixed Wi-Fi connectivity and many other factors that reduce these numbers. With that noted We have achieved real world throughput at ranges from 10FT to 25FT between 600 to 900mbps+. These are some truly impressive numbers considering not to long ago the best wireless was offering throughput speeds between 100 to possibly 200Mbps. What this ultimately means is the throughput ( speed ) is there for heavy real world usage whether it be streaming, syncing, sharing, downloading, uploading gaming or even backing up.

802.11AC Wireless Throughput

Boasting a true 4×4 antenna design, RT-AC87U gives you up to 5,000sq ft of wireless coverage¹ that’s 33% further than the latest generation tri-band routers¹, making it your ideal choice for large homes and multi-floor buildings. Thanks to AiRadar beamforming and unique multi user-MIMO technology, the more devices you use the more the throughput increases². While MU-MIMO is not yet enabled and the devices are not yet here the support for inherent implicit and explicit beamforming helps to ensure 802.11AC client adapters like the PCE-AC68 and the USB-AC56 which both support beam forming get the best performance and range possible.

RT-AC87U is the 1st router to support multi-user MIMO technology for up to 2 times greater performance than single-user MIMO when streaming or transferring data in multi-device environments. While single-user MIMO routers communicate with one client at a time, multi-user MIMO router communicates with 2 MU-MIMO enabled clients simultaneously to better utilize the router’s capacity and reduce the client’s waiting time.

SU-MIMO compared to MU-MIMO

* taken from Quantenna design implementation information. Beamforming is an important companion to 4×4 Multiple Input Multiple Output (MIMO) technology for Wi-Fi wireless networking. When it is included, it enables dramatic improvement in Wi-Fi 802.11ac/n performance, reliability, range and coverage. Beamforming is a signal processing technique used to control the directionality of the transmission and reception of radio signals. The most effective type of beamforming is dynamic digital beamforming. This type of beamforming uses an advanced, on-chip digital signal processing (DSP) algorithm to gain complete control over Wi-Fi signals. By creating several independent signal paths to optimally focus radio energy to and from client devices on a per-packet basis, performance is dramatically improved. In the case of a two-stream configuration, this makes it possible to steer the energy of the antenna array in the independent spatial directions associated with both data streams, while simultaneously avoiding interference.

Overall you can see the 87U incorporates a slew of advanced Wi-Fi technology to ensure you have outstanding range, throughput and ultimately a great “connected” experience. The 87U does not stop there and feature some of the most specialized enthusiast class designs to help to ensure its performance and functionality across a wide range of aspects is class leading even when compared to other high performance 802.11AC routers. In addition for power users out there who like to tweak and tune there routers the ASUS WRT firmware offers a professional section off many tuning parameters for enthusiasts.

More than meets the eye, advanced hardware designs enable the best performance & experience :


2X Dual core design with offload implementation

Looking at the 87U it may look like there is not alot going on internally especially when compared to the visual complexity of motherboard. That would not be true though, below the clean stylized exterior lies some seriously impressive hardware as well as some impressive design implementations. So why are we going into this? Mainly because spec does not always define experience and usability. ASUS worked extensively on the hardware topology of the 87U to ensure outstanding performance in a number of ways. So lets take a closer look at the layout of the 87U to see how advanced design thinking enables the great real world performance.

87U Layout Block Diagram

As you can see in the block diagram there are two separate chipsets with their own associated memory one for the 5GHz 802.11AC ( Quanntenna ) and another for the 2.4GHz and USB ( Broadcom ). What this means essentially is that the RT-AC87U uses a dedicated dual-core CPU to handle complicated 802.11ac 4×4 algorithm and tasks. Due to the specialized linking mechanism and its hardware structure this design reduces the CPU utilization rate to a very low level and ensures almost 1 GHz dual-core computing power for other applications. The result is improve wireless throughput and robust multitasking performance especially when Wi-Fi and USB 3.0 are being simultaneously used. This affects users by creating superior storage performance as well as having additional processing power for other newly enabled advanced functions for monitoring and packet analysis and optimization.

For those that did not know what they were looking at in the block diagram a simplified version is shown below.

Simplified Dual Dual Core Design Implementation RT-87U



Gigabit LAN with hardware NAT

The RT-AC87U comes with 5 gigabit Ethernet ports for up to 1000 Mbps of throughput for each port. More importantly many enthusiasts will be excited about the inclusion of a hardware NAT that intelligently analyzes and optimizes traffic based on its type so whether you’re playing an online game, browsing the web or having a video call, you’re getting the best performance for your task at hand.

RT-87U Hardware NAT



Going a bit deeper in the NAT implementation on the 87U, it features two levels of acceleration. These can be managed within the ASUS WRT firmware. They are under the option of NAT Acceleration and reffered two as level 1 CTF or level 2 CTF. So what does these options mean or do?

CTF(Cut Through Forwarding) is software optimization technique to accelerate NAT.

FA(Flow Accelerator) is a hardware NAT acceleration mechanism design for accelerating wired  DHCP and Static IP connections.

Level 1 CTF = CTF

Level 2 CTF = FA + CTF

Another improvement and exciting aspect of the 87U design and firmware is that it allows the utilization of a new advanced QoS implementation to be used in conjunction with CTF. Historically this has not been the case requiring users to compromise on QoS or NAT acceleration. Now users can benefit from both.

Conditional implementation details for NAT acceleration are noted below.

Enabling of Adaptive QoS will disable FA.

Enabling of traditional QoS will disable both FA+CTF.

This advanced hardware design along with ASUS RF tuning and optimized topology and specialization design implementation help to ensure outstanding simultaneous connection performance. Of course this need to be validated. Below is some detailing on the testing process.

Simultaneous connection test

Advanced USB power design offers superior compatibility and functionality :

Many users may think that all specification implementations ensure a consistent experience but this is definitely not the case. Specification implementation like USB can be affected by topology and layout both negatively as well as positively. ASUS took considerable time in the specification implementation of USB to ensure optimal performance as well as usability in addition took care in routing to minimize RF interference. Moving beyond that how can a spec vary between devices featuring the same specification?  Some USB devices require more power than standard design implementations allow for. These devices may require a Y-cable to connect to two USB ports at the same time. For the best USB HDD compatibility, the RT-AC87U USB ports were designed to provide more power than the USB standard. This helps to ensure that both USB ports can be used as you would expect compared to some competitors solutions where both ports need to be utilized to power a single USB storage device or may not even correctly initialize the devices regardless as not all devices support Y-cables. Below you can see ASUS incorporates considerbly higher power output ratings to help ensure the best device initialization and overall compatibility.

87U USB Power Design

Superior range, throughput and storage performance with a power efficient design :

The 87U from its design onset was purpose built for performance normally the highest performing devices tend to consume the most power. This is not the case with the 87U. Through extensive design effort class leading performance was able to be achieved while also maintaining class leading power efficiency.

If you currently evaluate other high end 802.11AC routers you will see their power consumption and power adapters are larger and higher than the 87U.

87U Power consumption



Thermal design considerations and ensuring reliable operation :

One critical part of the design of wireless routers is their thermal performance and reliability. A wireless router is a fixture in your home. It is always on and expected to enable the connectivity for so many devices that enable the experiences you have each and every day. Whether it be streaming music or movies, playing games or downloading all of this and more is enabled by your router working day in and day out. ASUS takes this very seriously and in the course of the 87U design and development the design team went through extensive steps to ensure solid thermal performance through careful design implementation as well as extensive validation. Why is this important? Because with ever increasing complexity and speed of the internal components in a router thermals can not only lead to instability but lead to failure. Analysis is done with a focus on real world connections and utilization. Four computers are connected to the router, two are connected by LAN and the others are connected by Wi-Fi one for 2.4GHz and the other for 5GHz. Only if the unit passes operation under this load is it cleared. During this we also carefully evaluate thermal performance of the router. This is to ensure the thermal solution put in place works as intended.

The 87U actually features three independent heatsinks for core processing portions of the 87U. These heatsinks help to ensure stability under heavy load.

87U Heatsink implementation


Over 14 points are measured and tracked via thermosistors and thermographic imagery. This also with careful evaluation of different thermal dissipation implementations are measured and compared to find solutions that meet the demands of consistent long term usage and ensure effective thermal dissipation. This is done at multiple stages through multiple design revisions to the housing and layout topology. Once the units meets final design implementations and features final topology, component utilization and final ID ( the housing ) the unit is further re evaluated to ensure its thermal operating performance and reliability.

Thermal monitoring 1      Thermal monitoring 2


Interoperability and compatibility does it work with my device or adapter?

This is a big part of the time that goes into validation of a routers functionality and performance. It is also an aspect that does not generally get discussed as many reviewers based on expediency and bandwidth have limited opportunity to test different client adapters and devices. Of course in the real world we expect if a device is equipped with Wi-Fi then it should work with the router. In theory this is should be the outcome but in reality there are a number of factors that cause this to not be the reality of what occurs between Wi-Fi enabled devices and the routers they connect to. In this respect interoperability and compatibility has to be treated as an ongoing process that continually improves and considers the wide range of devices that are are utilized or can be utilized. Of course it is extremely important for a device to have launch ready compatibility and interoprability to ensure a wide range of users will have a positive experience in regards to connectivity and its associated performance. With that noted new devices along with current devices as well as the sheer number of different devices along with different wireless controllers / chispets makes this a difficult task to manage. With the introduction of a entirely new chipset it is even more challenging as it may not have the experience and fine tuning present that an older or revised wireless chipset has. In this respect ASUS worked extensively with Quantenna on what is refereed to as IOT connectivity and compatibility to ensure a wide range of devices had been checked to ensure great performance and overall a great connected experience. At the same time the ASUS team was able to leverage its FT tuning experience and optimizations for 2.4GHz from its implementation in previous routers like our 68U which utilizes the same chipset. Bring this all together and you can begin to see the level of work put into this aspect of design and development and validation.

In total over 20 different types of client devices and adapters were tested ranging from solutions based on 802.11AC chipsets from Broadcom, Realtek, Mediatek, Intel, Qualcomm and others. For users that also are looking for a great out of box experience consider ASUS’s own line of wireless adapters both USB based and PCIe based. These include the USB-Ac51, USB-AC53, USB-AC56, PCE-AC56 and PCE-AC68. All have been tested with the 87U and offer great range, throughput and performance. I was most impressed by entry solutions like USB-AC51 and 2×2 based solutions like the BCM internal Wi-Fi in many notebooks as well as our own USB-AC56 and the Intel 7260. Even at moderate distance and in noisy environments throughput and was very good and clearly improved compared to the 68U.

The heart of a router’s features, functionality and overall usability is firmware, ASUS WRT :

Many enthusiasts looking at a router can get stuck on some of the specifications of a wireless router whether it be the proposed wireless speed or  if it has USB 3.0 or whether it has external and replaceable antennas. All of these are important but are ultimately only part of the equation needed to produce a great connected experience. In addition the functionality associated with those specifications or connections are determined by not just the hardware but softwore or more specifically firmware. In this respect and much more firmware is the crux of a wireless router overall feature set, functionality , compatibility and performance and more. ASUS has for multiple generations now been continually refining and improving its firmware with the end goal of  meeting the minimum requirement of a useble and functional product that offers great interoperability and performance but also meets the needs and wants of progressing networking enthusiasts. Going back to the RT-N16 ASUS has been continually evaluating the features and functions users once previously adopted open sourced firmware which had robust features and functions but had no validation or specific tuning to the router it was installed on. With this in mind ASUS set out to incorporate the feedback of the users and the community and produce a firmware with close to equal advanced functionality and some ways superior functionality while offering superior ease of use and of course maintaining validation and per model optimizations. Flash forward to today and the N16 has actually still received firmware updates since its release in 2009 and many features and functions have come with those updates. 

We are not here to read about the N16 so enough about it, we are here to discuss the 87U. The 87U brings with it a slew of new ASUS WRT features many of which were specifically incorporated based community feedback. It woud be hard to cover the sheer range of functions offered in the firmware so we are going to mostly cover key features as well as popular features or functions that are present and have been improved upon or are wholly new.

CD free & software free wired or wireless setup

  • ASUS’s award winning QIS ( quick internet setup ) is maintained from previous versions allowing you to get up in running in as little as 30 seconds. New additions include password strength analysis and verification. These help to ensure you optimally secure your router. As always whether you are on a smartphone, tablet, notebook or desktop or any web enabled device all you need is a browser and physical wired connection to the router or connection to the wireless setup signal to get up and running.

New network map, networking homepage

  • The primary homepage for the router has been updated with more information to allow for quicker access and detailing to information information about your network and connected devices. Additionally aspects of customization have also been included.
  • Some of the new aspects are CPU utilization display and monitoring, RAM utilization display and monitoring as well as labeling for USB 3.0 and USB 2.0 ports. Per connected client connection details including signal strength for wireless devices. For each device you can even defines its display icon and name making it easier for you to know what devices are connected. All devices are easily broken up as well under a general online status as well as more specific wired and wireless connections.

Dynamic network traffic monitoring, management and quality of service ( QoS )

  • Entirely new QoS ( quality of service ) implementation that still allows for NAT acceleration.  This new QoS is based on deep packet inspection and allows for easy prioritization of networking based on content type whether it be multimedia streaming ( music and movies ), web browsing, gaming, file sharing and more. Traditional QoS with advanced manual configuration is still offered allowing users of all types options best suited to their usage models and environments.
  • Rich network traffic analysis with integrated traffic monitoring for wired and wireless connections. For more advanced monitoring enabling of adaptive QoS enables application analysis offers per client monitoring of bandwidth and per client application bandwidth utilization. For administrators or parents looking for all the details on how the internet is being used set of tools.
  • Per client web history monitoring helping you to what sites are being visited on the network

Advanced router security with AiProtection featuring Trend Micro for network security and assessment and exploit resolution

  • Router exploit analysis, with the click of a button check for common exploits and vulnerabilities  as well as low strength parameters and resolve them or make recommendations
  • Integrated white list and black list malicious web site blocking, helps to easily ensure security and minimize infection or intrusion by blocking sites that can compromise your system. These includes sites know to have spyware, ransom ware, phishing, and spam content. These sites are updated automatically based on Trend Micro’s ongoing web site security analysis.
  • Infected device prevention with blocking support of controlling services that can remotely control your system, infected and access information. Infected device protection and blocking will automatically check connected devices destination URL or IP address and compare it to Trend Micros know C&C malicious server database.
  • End user email notification. You are notified if a suspicious, malicious or known C&C attack attempts to make connect to its corresponding server.

Rich parental controls offering content, keyword and site filtering and blocking. Limit time or device connectivity as well

  • Parents or administrators can access easy to control content filtering on the router. The integrated easy to enable content filtering groups make it much easier to control web browsing compared to specific site restriction. Content categories include, Adult, IM and communication, P2P and file transfer as well as streaming and entertainment. Categories are are based on Trend Micro’s website reputation system ( WRS ) cloud database and application signature database.
  • For parents or administrators looking to limit the time or system that can connect to the internet ASUS WRT firmware offers the ability to limit connectivity based on the client as well as based on time. Time parameters can be based on 12 or 24 hour intervals as well as day of the week granularity.

Advanced LAN and WAN reassigment with support for dual WAN and 5th LAN port

  • Users can easily configure their router based on their needs and environment. Should you need fail over support or load balancing you can enable a secondary WAN port by reassignment any of the 4 LAN ports to WAN functionality. The secondary WAN be be setup for DHCP, PPPoE, Static IP, PPTP, L2TP or 3G/4G USB enabled device.
  • For users who utilize the router in an access point fashion they can easily reconfigure the WAN port and reassign its function as a LAN port instead.
  • Users looking to maximize media bridge mode performance can enable teaming functionality allowing for greater than gigabit throughput.

iOS and OSX support with support for Facetime and Time Machine

  • iOS users and OSX users can equally benefit form portions of the ASUS WRT firmware by easily enabling Time Machine support.

Rich VPN functionality with VPN server and client support

  • ASUS continues its support of rich VPN functionality by expanding its VPN support to include PPTP VPN servers as well as Open VPN server as well as PPTP, L2TP and Open VPN clients. For security enthusiasts, media streaming tweakers and tuners as well as global travelers and road warriors this level of flexibility when it comes to VPN is appreciated.

AiCloud 2.0 for easy streaming, syncing and sharing of connected devices and locally connected PCs

  • Advanced integrated media and file sharing functionality is built into the router allowing users with web enabled devices and devices supporting the AiCloud app to stream, sync and sharing files from USB attached storage.
  • With AiCloud users can even access files from locally connected PCs on your local area network. Advanced control even allows you to wake systems from sleep or hibernation. No need to be dependent on syncing your files to cloud based services.
  • For users with two ASUS routers one in your home and another a friends or business location you can enable router to router file syncing.
  • Newly designed AiCloud app allows for easy visual navigation and access as well as playback of your digital files they be music or movies, videos or general files.

PC free file downloading with download master

  • Users can easily download files without the need to leave their systems on whether it be HTTP or FTP or P2P easily set your router to download your files to USB attached storage and then access the content on any connected PC or client.

Guest wireless network ( Guest SSID )

  • Households and business needing the flexibility to have multiple SSIDs ( wireless networks ) can easily enable up to three guest SSIDs per band.

Overall you can begin to see the level of rich features and functionality offered in the ASUS WRT firmware. More is planned and is being worked on for future implementation via easy to apply firmware updates which can be automatically checked within the routers firmware update portion. No other consumer router offers the wide range of usability and functionality offers by the 87U and its firmware which as noted will continue to be improved upon.

Multiple operating modes

  • ASUS WRT firmware allows user to easily enable three different operating modes, these includes wireless router, media bridge and access point.

A quick look at performance and conclusion :

So we have talked a lot about design, features, functionality as well as general performance and much more so what about numbers? We will be working on a separate article that goes a bit more into performance but to provide some visibility on the performance you can expect we have included some impressive results from 3×3, 2×2 and 1×1 based adapters offering you a perspective of performance across a range of 802.11AC enabled devices and respect speed class. Overall you can see the 87U steps up to offers some impressive numbers. Keep in mind these numbers are in a real world environment at the distance of approx 20 feet and with over 25+ wireless access points as well as an complex office environment with many RF transmitting based devices.

So wrapping things up is the 87U worth it? That is an easy yes if you are looking for a router that creates a truly expansive and wide level of coverage, offers considerably faster than 10/100 Ethernet speeds and gives you the most robust storage functionality. If you are pretty much looking for a wireless router with the best range, throughput and simultaneous storage performance and much more this is the unit for you. What about users that are already on the 802.11AC bandwagon? Users that already have great range and great throughput? This is a great question, if you have made the investment in a high performance router like the AC66U or AC68U or mid range wireless router like the AC56U. The biggest areas of improvement will be in storage performance and throughput. For users who are currently challenged by range especially with units like the 66U or 68U while improvements can be had you may want to look more closely at optimizing your environment and considering fine tuning parameters whether they be channel optimization, placement or incorporating repeaters or even replacing antennas or possibly a combination of all of these. Wi-Fi is a complex technology that has many affectors to its range and throughput but for many this router will offer the best experience of any wireless router when it comes to network connectivity, functionality and performance not to mention the experiences possible enabled  by the WRT firmware. This is especially true if you are coming from a non ASUS router.

Lastly for those of you wondering about how it fairs in the landscape of tri band enabled routers ASUS’s focus is currently to produce the widest range of wireless routers for the wide range of needs and environments that require a wireless router. This aligns with the truth that no one router works or will benefit every environment as such different devices are needed for different usage models and environments. Products like the upcoming AC3200 may potentially be a better fit for heavy mixed mode environments but will not offer superior throughput or storage performance or the same maximum range compared to that of the 87U. The unit of course though is still under design and development and as we get closer to the formal release more information will be provided. As always stay tuned for more information soon and feel free to leave questions, comments or concerns. We will updating the article over the next few weeks as few we have some time to include some additional points and respond to any questions. Additionally we will expand and detail common FAQs as well as always in the FAQ portion of the overview.


FAQ for RT-87U and 87R

1. When will it be available?

Availability for the 87R is currently active. You can purchase directly from BestBuy in store or online.

2. Is there a difference between the 87U and the 87R?

Both units are hardware identical and feature the same specifications, features and functionality the only difference is product availability based on retailer which is defined by the name of the router. The 87R is exclusive to BestBuy.

3. Is the 87U faster and better than the 68U?

The RT-AC68U is a extremely high performance 802.11AC 3 stream router. While it offers impressive range, throughput and storage performance overall the 87U offers considerable improvements compared to the 68U in all aspects. The only exception is 2.4GHz throughput which is roughly the same. Due to a more advanced hardware design under concurrent loads the 87U can offer improved performance even under 2.4GHz connectivity. Users that are looking for a considerable range improvement should additionally consider other options outside of replacement of the 68U with the 87U. Depending on client device and environment it may be better to consider the use of a repeater to maximize range, signal stability and overall connected throughput. Additionally as next generation client controllers come to market supporting MU-MIMO firmware you will see further performance benefits when comparing the 87U to the AC66U or AC68U.

4. What about the AC3200 is it better and faster than the 87U?

The AC3200 is still under design and development. As such immediate comparisons cannot be immediately provided. With this noted the overall design and differences in chipset specifications will not allow the AC3200 to offer superior throughput or storage performance. Additionally overall range should be superior on the 87U as well. As a whole the benefit first and foremost for the AC3200 will be heavy mixed mode Wi-Fi environments that also have varying standards ( both 802.11N and 802.11AC.

5. What about MU-MIMO? Is it enabled?

At this time MU-MIMO is hardware ready but has not yet been enabled via the firmware. It is still under firmware and chipset interoperability, compatibility and performance validation. Once this is complete the firmware will be released via ASUS support site ( ) as well as via the auto update mechanism in the ASUS WRT firmware. The firmware release should also align with initial MU-MIMO ready devices.

6. Is the firmware ready?

Yes the firmware is ready and usable and offers out of the box great performance and compatibility. Core features and functionality are working. With this noted the 87U features many entirely new features which are under continue refinement and revision for not only better performance but better usability. Primary areas still being improved focus on noisy environment optimization as well as QoS functionality and GUI elements. Lastly we are working on further enhancing USB performance even further by incorporating Broadcoms updated SDK. This along with additional features and functionality improvements will continue to be incorporated as new firmware is released. Overall users are advised to ensure they use the auto updating portion of the router during quick internet setup or download the latest firmware from the ASUS support site.

7. What about USB performance has it been fixed?

As has designed the 87U for outstanding USB 3.0 performance. It designs as detailed in the overview allows for the best simultaneous WiFi and USB performance. It is important to understand ASUS currently is the only vendor who has enable advanced options within the WRT firmware to prioritize 2.4GHz range and throughput as opposed to USB 3.0 performance. This is down via an option within the ASUS WRT firmware. By default as most users prefer to have superior range and throughput for connected devices and 2.4GHz is a commonly used Wi-Fi standard USB 3.0 performance is not optimized. For users who prioritize USB 3.0 performance or are generally only using 5GHz enabled devices you can change this setting with little to no impact to your usage. If this setting is left in default position USB 3.0 performance is considerably reduced as noted to maximize 2.4Hz range and throughput. Due to this design implementation and firmware setting some users have incorrectly assumed or stated the USB 3.0 specification on USB 3.0 enabled routers has an issue.

For more information reference the whitepaper linked below.

8. I have more 802.11N based devices? Should I still get this router?

Depending on your current router you may still see considerably improved range, throughput and overall performance with N devices compared to your current router. With that noted overall the best improvements will come from 802.11AC connected clients ( whether they be 1×1, 2×2 or 3×3 ). Additionally 802.11AC routers are first and foremost tuned for optimal performance, compatibility with AC based clients as such a dedicated 802.11N router may potentially yield equal or superior client compatibility. ASUS is working extensively to ensure very strong 802.11N compatibility and interoperability.

9. What adapters do you recommend be paired with 87U?

In our testing entry level clients adapters such as the USB-AC51 have shown impressive range and throughput for an entry solution. For users focusing on best range, throughput and performance recommendations are Intel 7260 mini PCIe as well as the USB-AC56 which supports TurboQAM and beamforming. In addition for desktop users the USB-AC56, Intel 7260 desktop adapter as well as the ASUS PCE-AC56 and AC68 have shown to have exceptional range and throughput while also supporting beam forming and TurboQAM.


230 Responses to "ASUS RT-AC87U & RT-AC87R – The Best 802.11AC Router"

  1. Frederick
    Frederick 3 weeks ago .Reply

    discount nfl gear cheap youth nhl jerseys china ny giants jersey cheap

  2. IT Security
    IT Security 4 weeks ago .Reply

    Historically this has not been the case requiring users to compromise on QoS or NAT acceleration. Now users can benefit from both.

  3. Peter Cloud
    Peter Cloud 1 month ago .Reply

    RT-AC87U vs RT-AC87R – The Same Asus Routers?

  4. vps srevices
    vps srevices 4 months ago .Reply

    Thanks For this post..

  5. Selion
    Selion 5 months ago .Reply

    The 150Mbps Wi-Fi N Household Router provides the greatest degree of safety measures using 6x the particular speed as well as 3x the particular protection of wifi g products. Quickly deploy the particular router as well as work with it using TRENDnet wifi N adapters to take delivery of the total advantages of wifi N speed as well as protection.

  6. mrdon
    mrdon 6 months ago .Reply

    hi I am looking to buy the 87u. I have 2 x belkin range extenders. Will they work with ASUS RT-AC87U router

  7. Morten
    Morten 6 months ago .Reply

    There are some random bursts of strange data showing up on my RT-AC87 …

    Have seen it from WiFi connected iPad's and Android devices

    Can these bursts be prevented somehow?

    and why do they show the weird speed?

    (Latest Firmware on my Routers)

  8. […] ASUS RT-AC87U & RT-AC87R – The Best 802.11AC Router – I have ASUS RT-AC87R router and I tried to connect a switch to this router and every time I did the internet connection would disconnect, when I removed the switch … […]

  9. Marcel
    Marcel 6 months ago .Reply

    I have ASUS RT-AC87R router and I tried to connect a switch to this router and every time I did the internet connection would disconnect, when I removed the switch from the router the internet connection would come back.

  10. Marcel
    Marcel 6 months ago .Reply

    I have ASUS RT-AC87R router and I tried to connect a switch to this router and every time I did the internet connection would disconnect, when I removed the switch from the router the internet connection would come back.

    I did not plug the switch in the internet port, I connected it to the 4th port on the router and on the first port on the switch the way it should be. I don't understand why it disabled the internet.

    Any ideas? Is there a setting on the router that has to be set to use a switch with router?

  11. laitaichi
    laitaichi 11 months ago .Reply


    Is it possible to set up AC87U as a Range Extender?

    Will there be a firmware upgrade to enable this capability?


  12. Kory
    Kory 11 months ago .Reply

    Is it possible to adjust the bandwidth of the VPN? I'm running a 100 Mb pipe on one end and 75Mb at home and only getting 10Mb or less over the VPN with the RT87U.

  13. JJ
    JJ 11 months ago .Reply

    Coverage wise the 2400 can offer superior range compared to the 3200. The 3200 in most respects will not offer superior performance when compared to the 87U ( 2400 ). Its main benefit comes from the unified SSID and its auto assignment. In regards to thermals yes it is normal for the units to be very warm under sustained heavy concurrent usage ( WiFi, LAN, USB etc )

  14. JJ
    JJ 11 months ago .Reply

    I believe it is from CoolerMaster under the Choiix line it is a stand for mobile products but works for alot of other items.

  15. Mohammed Asim
    Mohammed Asim 11 months ago .Reply

    Hi JJ,

    I bought ASUS rt-87U yesterday. As i mentioned earlier none of my devices like Galaxy edge, LG G4, Iphone 6 connect on 5Ghz band.When i disable 2.4 Ghz band the devices are connected to the wireless, but cannot access internet. Whereas i am able connect to internet through PC which has wired connection to router.

    Please help me to resolve this issue.

  16. Amber Goodrich
    Amber Goodrich 11 months ago .Reply

    I've turned off NAT Acceleration and upnp seems to work properly now to provide two xboxes with Open NAT. Asus, please fix NAT acceleration

  17. Amber Goodrich
    Amber Goodrich 11 months ago .Reply

    I've had some luck lately with two xbox ones on rt-87 by enabled the adaptive QOS, and leaving NAT Acceleration on Auto (CTF) to keep both xbox ones on Open NAT. I also gave each one a different system name. This setup disables FA. However when i had no QOS + NAT acceleration on, i had several continuing problems with two xboxes, giving Strict or Moderate NAT continually. Seems that FA does not support two xboxes, but CTF seems okay.

  18. JJ
    JJ 11 months ago .Reply

    Yes you can read and write to a locally attached USB drive.

  19. Amber Goodrich
    Amber Goodrich 11 months ago .Reply

    Try giving each a different system name. Go to settings, system, name. The name one like xboxone1, and other one xboxone2.

  20. Amber Goodrich
    Amber Goodrich 11 months ago .Reply

    Same problem here, i bought this router rt-87r specifically because it says it supporting Gaming on the front and it says specifically supports Xbox one. I have two xbox ones, one wired, one wireless. They come up randomly re Nat Strict, or Open.

  21. Joe G
    Joe G 11 months ago .Reply

    I have a RT-AC87R. It will not let me select Samsung Galaxy tab 2 from the drop down list that I want to add Parental controls to. It will let me select all other Phones and tables from my list which include PCs, Samsung phones, Iphones, and Ipads. just not the one I want to restrict. Can someone please advise me how to make this happen.

  22. majid
    majid 11 months ago .Reply

    Hi, I am going to buy AC2400 after I switched from NETGEAR R6000 & R8000 because on both it doesn't give me permission to write on attached Hard Drive. but my question is it allowed to write on AC2400

  23. Mo
    Mo 12 months ago .Reply

    Hello JJ…where do i get the stand which i saw with the asus-ac87u in the youtube newegg video?

  24. Gurupreet singh
    Gurupreet singh 12 months ago .Reply

    Hi ac3200 or ac2400 router u where like go for ac2400 the router is ok not that great as it does not give 5000 sq feet rang but that ok my question is y is it getting hot like is it normal or not ?!! Pls let me know

  25. Joe
    Joe 12 months ago .Reply

    a few notes about actually using the router:

    1) *please* allow names in the dhcp reservation list. mac addresses are not a friendly way to interface with a GUI. if you are going to bother programming a GUI, lets make it friendly.

    2) why do some changes take 10 seconds and some changes take 5 minutes to apply? it would be nice for the interface to give the administrator some feedback as to what is happening "updating….." … "updating complete!" is no good.

    3) when activating/deactivating guest wireless networks, my wired connection to LAN1 port and to the 5ghz net dropped randomly. actually it seems like there is no warning when a configuration change might cause the connection to drop randomly. there is no warning when a config change may require a reboot.

    4) the wan settings keep trying to automatically clone my LAN1 machine's mac address. i DO NOT want it cloned, please stop.

    5) when attempting to dhcp on the LAN1 port, my machine continually triggered errors on br0 about a same address on vlan1. nothing was statically assigned or cloned and no visible vlan configuration exists that i saw. during this time i was extremely lucky that my phone was able to maintain connection to the router over wifi so i could actually see the log. later, it could not maintain a connection and i was unable to troubleshoot wired connections via wifi or vice versa. i will attempt to troubleshoot again later this weekend.

    p.s. it would be nice if the initial status page gave a bit more information other than a simple graphical network map. (i know it is a little silly to recommend to you, but) i would recommend taking a look at the DGL-4500 firmware status page presented at login to see how it informs a user of its status immediately upon login. it is all text, but it is compact and contains necessary information without requiring further clicks unless one wants more or different information.

  26. Jeff
    Jeff 1 year ago .Reply


    I am having problems with my 5Gz band. It has been inconsistent. The speed is just too slow. Is there anything that I can do to resolve this issue. The 2.4Gz band has been consistent. Hoping for your recommendation.



  27. William Smoke
    William Smoke 1 year ago .Reply

    MAKE SURE if you have several routers or access points like I do that they all on same channel.. they will jump channels and that is not good.. Worked for me.. no problems since…

  28. Alex
    Alex 1 year ago .Reply

    Hi JJ and all,

    A recurring problem in set-up console?

    Both RT-AC87U and RT-AC68U are concerned : after a firmware upgrade, impossible to view the entire pages of the set-up pages. It would not be such a problem if we could use it to personalize the router, but that does not work…

    Already 3 routers are concerned (out of 8 upgrades).

    The worse point is : after using recovery tool to revert to older versions, the problem remains!

    Please help.

  29. Mike
    Mike 1 year ago .Reply

    check out 11:20 of this video:

    I think you would use the firewall blacklist/whitelist to achieve what you're talking about, as it can do it per device. You would use that in conjunction with the parental controls (which are in a separate section).

  30. Mike
    Mike 1 year ago .Reply

    Steve, did you get an answer on this? i'm really interested to know please. Thanks!

  31. JJ
    JJ 1 year ago .Reply

    You may need to do a factory reset if you are no longer able to access the firmware interface. Try using the discovery tool first to ensure you are correctly accessing the router.

  32. William R. Smoke

    Cannot access my GUI. Have hit reset in the back. unplugged and replugged everything? help

  33. William R. Smoke

    cannot connect to my asus 87r seems like it not working on a variety of issues. led light button does not seem to work all the time, wifi button, but mostly cannot link to it.

  34. Struthio
    Struthio 1 year ago .Reply

    I think about connecting VLAN enabled switch to ETHERNET (LAN) port of RT-AC87. Will RT-AC87 Correctly support VLAN (802.1Q) ?

  35. Robert Lanza
    Robert Lanza 1 year ago .Reply


    Some how I stumbled on this particular webpage and ended up spending my whole evening reading the comments and answers.

    Since whomever is answering the questions appears to be very knowledgeable and responsive I figure it would be a safe bet to ask at least one question (Ok, maybe more that one).

    First, I own currently a Asus RT-AC68u (had it for about 2 years now, when it first came out, it replaced my old Asus RT-N16, which I gave away).

    I love this router but now have been reading about some of the newer Asus Wireless Routers.

    My first question:

    What would I get from upgrading from 68u to 87u, is there anything really special in the newer router that might be important enough to spend close to $300.

    My current setup is as follows:

    I have setup both N and AC with separate SSID's (so I know which one I am currently on, tried it as same SSID and ran into issues).

    I also have one 3TB Seagate External USB 3.0 hooked up in NTFS (no real issues there).

    I had until the other day a Dymo Label Printer. No real problems there.

    I recently purchased a Buffalo Linkstation (LS-441de NAS unit).

    I installed on that 2 4TB Internal Seagate RED dirves in Raid 1, so only a total of 4TB is available.

    I did this with the expectation of moving the hard drives from the Asus RT-AC68u to help with load.

    However, what I did instead is just move the Dymo Label printer over to the NAS unit (it has USB 2.0 and 3.0 ports). This Buffalo NAS cannot see previously formatted NTFS drives plugged into its USB 3.0 ports. So I could not move drives from Asus to Buffalo NAS.

    But then since the printer freed up a USB 3.0 port, I threw another 3TB Seagate External drive formatted in NTFS.

    Both drives seem to be working well! I wish Asus make a NAS unit for the home that was just as inexpensive as the Buffalo but worked like the Asus RT-AC68u ability to read NTFS drives. Another story for another time.

    So now you know my basic setup.

    Oh, almost forgot, my cable modem is attached to the WAN port.

    I have the Buffalo NAS now directly connected to one of the 4 ports.

    I have an Ooma VoIp phone system (which is a VoIp and router in one unit) attached to one of the 4 ports on the 68u. It is setup behind the Asus Router, I don't really use the routing function of the Ooma router. It doesn't have a wireless feature either.

    Then I have my 2 older Asus RT-N12 routers setup as AP (access points) connected to the two remaining ports.

    Some where in this setup I do have the 68u connecting to a couple of 8 port Asus switches, and there is a Asus 5 port switch down the line.

    I have a few PC computers (down to 2 from 4) and several Android tablets and one Android phone (Note 4) going connected wirelessly. The phone and one tablet are able to connect via 5ghz using the new AC protocol, the rest use N.

    Oh, my Laptop PC (as Dell XPS 2 in 1 ) hooks up wireless via AC protocol. There is no hardwire lan connection on this laptop. (I don't think they are including Wired ports on these Notebook or are they called Laptops, whatever).

    So today, I just found out (what started this all tonight), that when Time Warner Cable upgraded my internet speed to 200mbps (one step from the highest 300mpbs) that my self-owned cable modem is not able to handle this higher speed (which I thought that model I purchased a few years ago did), I need to run out and get a new cable modem that can handle the higher internet speeds.

    When looking at the modems, I am considering getting just a modem like I have now, or the possibility of getting the combined modem and wireless router in one box. Of course, I would want a modem that can handle the new AC protocol. But it seems everyone is recommending to keep them separate as I have it now.

    And the selection is very limited in what I could use on TWC.

    So I came to the conclusion to just get a modem only and maybe upgrade the router.

    But I'm not sure it's even necessary to upgrade this RT-AC68u just yet if the newer Asus routers don't offer something that maybe makes it worth it to do now.

    The RT-AC68u is a dual band router. Is there any benefit to getting the Asus Tri-band?

    Is there something in the RT-AC87u that I don't have now.

    Would it be better because I have the hard drives connected to the 3.0 USB ports?

    One thing I don't like with my RT-AC68u is that it's hard to setup a prioritized device. My Ooma VoIP system suffers because I don't understand how to make it get priority over everything else.

    I was looking at the new D-Link and it uses a web based easy to click and drop for priority. My older Asus RT-N12 or was it the RT-N16 allowed for easy plug and play priority that was removed with the start of the new Asus setup software. Now it's asking for upload and download speed limits. When all I want it to just say, give this ip address priority over everything else.

    Does any of the newer Asus routers offer this easy to setup feature?

    That's about it, I hope I gave enough information on my present setup and wants and needs for you to answer my questions.

    Oh, almost forgot to add in: I too like everyone else, has the problem where my 5ghz AC wireless will drop out what seems like randomly. It's not my devices that are loosing connections. It's the router that seems to be what seems like its turning off the 5ghz connects and then when you go to the router setup page, all magically seems to be working again.

    Thank you!


    PS Sorry to have made this such a long question but wanted to get all the information in here at one time.

  36. Steve
    Steve 1 year ago .Reply

    So, i looked over all of the documentation, as well as some interactive demo of the web UI, and even setup videos on youtube that walk through the entire web UI, and can find no place to set this filtering per device. the only settings per device i can find are internet access restriction, not per device individual restrictions. is there any way to point me to where these restrictions can be set per device?

  37. JJ
    JJ 1 year ago .Reply

    FA is present in the last public firmware. Depending on how it was flashed and if a full reset occurred it may not show int he menu. I would recommend you do a full clear to the router. Once complete re flash the firmware and then once complete power it off and then on. Upon reboot you should have the option available to you with the firmware.

  38. JJ
    JJ 1 year ago .Reply

    Windows does not report Wi-Fi as AC so this is normal.

    As to performance it could be a number of factors but I would suggest you consider changing the channel.

    Consider enabling airtime fairness within the firmware

    Additionally the metrics reported for speed in Windows should not be used a metric for actual throughput. I would strongly suggest you remove all previous wireless drivers and utilities and install the ASUS driver and utility which includes a status utility. This also helps to ensure you have beam forming and TurboQAM support.

  39. Tom
    Tom 1 year ago .Reply

    I have used the AC87R router with fine results since January, running with only N clients. Yesterday added the PCE AC68 adapter to my desktop. Just dropped it in the slot, without removing the N adapter (since it was not in a slot and I could not find it elsewhere). Running Windows 7 pro on an HP Envy 700-327c desktop.

    Wireless is now worse on the surface: the signal strength is poor to fair and the radio type is stated as N instead of AC – this based on hovering over the SSID icon. The speed has increased from 72 to 119 Mbps. The router UI shows wireless mode choices for the 2.4 band as Auto, N and Legacy, the 5.0 band as Auto and N only. Neither shows AC mode anywhere that I can find.

    What gives? Is it running on the AC but showing N because the desktop wireless adapter was not removed (although it is disabled, but not uninstalled). Help. (Speed just now bumped up to 156Mbps.)


  40. chrismccord
    chrismccord 1 year ago .Reply

    I just got my AC87U and it was easy to setup, I loved that, but the 2 WiFi signals 2.4 and 5 both are very inconsistent. The 5 will sometimes let me connect and shows up but then drops or gets very poor performance. The 2.4 just quit working this AM when my boys were on their iPads. I did the automatic update from the admin page on the firmware. Its sitting in the same spot where the previous Cisco router was working a lot better. I hope I don't have to return this AC87U. What should I try to get my signals to be more reliable?

  41. Joe
    Joe 1 year ago .Reply

    Would anyone know how to have the DHCP server on the AC87U provide both a primary and secondary DNS address to each of its DHCP clients? I see the spot to enter a custom DNS address, how could 2 addresses be entered?

  42. myriadovi
    myriadovi 1 year ago .Reply

    That is EXACTLY what happened to me as well. I have tried reverting to old firmware, but I still can't get FA to work anymore. After the first update to latest firmware, no matter how much I try to change the firmware to revert to a previous state (I've tried AsusWRT Merlin as well), FA is missing. WHAT GIVES?!!?!

  43. myriadovi
    myriadovi 1 year ago .Reply

    Level 2 NAT (FA+CTF) on 376_2769 firmware brings my CPU usage to exactly the same level as level 1 NAT (CTF only): 100% Core1, 60% Core2 -> I have no QOS of any kind. Why is that? Also, separate of this, should you connect an external HDD to the USB3.0 port, the CPU and RAM go haywire. What is happening? Also they removed Level 2 CTF from latest firmware => 378_4608. Very disappointed in the router.

  44. Protocol48
    Protocol48 1 year ago .Reply

    Review your web page more carefully.

    "2. Is there a difference between the 87U and the 87R?

    Bboth units are hardware identical and feature the same….."


    "3. Is the 87U faster and better than the 68U?

    The RT-AC68U is a extremely high performance 802.11AC 3 stream router. While it offers impressive range, throughput and storage performance overall the 87U offers considerable improvements compared to the 87U in all aspects."

    (Do you mean compared to the 68U?)

  45. JJ
    JJ 1 year ago .Reply

    There is a media bridge option in the operating modes for the 87U. The R would be the same as it uses the same firmware and hardware.

  46. JJ
    JJ 1 year ago .Reply

    I would retry. I have tested and not had any issues. I would recommend you do a complete factory reset. Then update to the newly release firmware and see if you still have the issue. If you do please let me know at PCDIY@ASUS.COM

  47. JJ
    JJ 1 year ago .Reply

    Yes you have extensive level of controls that can include individual sites beyond general site types. You can also do it for specific clients. Further more with traffic monitoring and analysis you can see per client what sites and content are the share of your internet ( seeing how much YouTube is used, Spotify, Facebook etc ). It is very robust.

  48. Dev
    Dev 1 year ago .Reply

    Just an FYI Since I left this post, I just received my ASUS AC87(r) not (u) in the mail, I was initially perturbed, as I specifically requested the "U" Model, just cuz the "U" is factory direct and not middle manned from a Retailer hence the "R" designation. And who knows what the OEM may do to these before they ship them. Otherwise no worse for wear, everything went fine. Now why I am updating my post….

    1. I upgraded firmware on my Existing 66U to the latest

    ASUS-Merlin Firmware, (BTW) dont call ASUS support and

    let them know your running Merlin they will rerfuse to help


    2. I Made a Configuration Back Up of my 66U after doing the

    Firmware Update.

    3. I did a Firmware Update on the 87R to the latest Merlin Ver.

    4. I then connected up the PC to one of the LAN Ports and

    logged in to the 87U

    5. I did a configuration Restore from the original saved

    config file I downloaded from the 66U.

    6. Now my 87U is running the exact same configuration as

    the 66U was and I did not have to spend hours on end

    setting up the new router. All of the ACXXU – R models

    are cross compatible with each other as far as the configuration goes. Do Not get this confused with Firmware, as you still must use the appropriate firmware version on each router first.


  49. Lindsay Wasnik
    Lindsay Wasnik 1 year ago .Reply

    Was FA taken out in the latest firmware update? For some reason FA won't enable. I'm not using QOS and have tried a factory reset.

    Even tried to disable the auto feature and re-enable.

  50. ian
    ian 1 year ago .Reply

    how many web site url's per user are stored in the 'Adaptive QoS – Web Histroy' ?

    Will it keep a few 100 or just a few ?

    Can it store more on an attached USB volume ?


  51. Struthio
    Struthio 1 year ago .Reply

    I am owner of RT-AC87 router. I want to connect pendrive (flash drive) to USB port and share it over Samba for computers in home network (mostly to store backups). What if best File System for USB storage ? (I don't mind formatting USB for example as ext3 if it is best system).

  52. Dev
    Dev 1 year ago .Reply

    I agree, also I find it best to Download the Firmware to your computer and do the Upgrade from their instead of an Online Upgrade. This takes the "What If's" out of loosing a connection in the middle of the Upgrade…. I bricked a router one time doing the Online Update once, Thus the reason for my technique.

  53. Dev
    Dev 1 year ago .Reply

    The AC-3200 is a Tri-Band Gigabit WiFi router whereas the RT-AC87U / R are Dual Band Routers, Just a bit more WiFi Speed is all. For the price Difference I would just stick with the RT-AC87U not the AC87R, The only difference between the 87U & R are the U is a factory Raw Router whereas the 87R is packaged for Retail Sales and may contain slightly different Firmware and Package Contents. Similarly like the Netgear 6300 R1 and R2 situation that occured back a couple years ago. the R2 or R3 was the hot item that was not Retail packaged and Raw Factory whereas the R1 was the Retail Model and came with a bit different Firmware and packaging.

    Firmware that ASUS uses is the ASUS-WRT aka DD-WRT customized just for the ASUS RT-ACNN-A routers beginning with the AC66U and up. I am currently using the ASUS RT-66U which I purchased at first release and was and still is a fricken Hot Fast router. I have been debating weather or not to upgrade to the AC87-U only because of the extended WiFi Speeds of up to 1.75 Gbps, hence the sales label of 1750 vs the 66U which is a 1300 or 1.3 Gbps WiFi top speeds. Mind you in order to attain the Max WiFi speeds you should use the USB 3.0 WiFi Transceiver I have a couple here that I purchased when I owned the Netgear 6300 Beta R3 until it died. That is why I decided on the ASUS vs the Netgear. Much Much better quality IMO.

    Here are the Links to both the 3200 and the RT-AC87U for your review.

    Link to AC3200:

    Link to the RT-AC87U


    Hope this helps


  54. sd
    sd 1 year ago .Reply

    I am experiencing the same issue. Once i change the user name/password, i am unable to log back in. Have to reset to factory default – tried this about 5 times.

  55. Steve
    Steve 1 year ago .Reply

    i am concerned about the capabilities of this routers parental controls. i am specifically looking to block specific sites, such as (primarily) youtube from a few devices on my network. Are the parental controls on this router sufficient to allow individual site blocking? the issue i've had with other routers is that their parental controls tend to block site types, such as streaming. this is a problem as i want the devices to access some streaming, such as PBS kids, Disney Jr, learning apps that utilize some streaming media, ect, but restrict access to sites like youtube.

    appreciate the help.

  56. Wayne
    Wayne 1 year ago .Reply

    Can you bridge the 87r with the n900? No bridge menu on 87r..

  57. Joe
    Joe 1 year ago .Reply

    Would anyone know how to have the DHCP server on the 87U push a primary and secondary DNS address to each of the clients?

  58. Daniele
    Daniele 1 year ago .Reply

    I have the same issue.

    How did you fix the problem ?


  59. TabMorty
    TabMorty 1 year ago .Reply

    Just curious, – why would you want to do that? Anyone with a network scanning app can see it anyways… so it does not provide more security – more the opposite

    some info:

  60. JJ
    JJ 1 year ago .Reply

    I will have to check but no I do not believe you can hide the guest SSIDs. I will discuss with our WRT firmware team. Thanks for the feedback.

  61. Jean-Pierre D.
    Jean-Pierre D. 1 year ago .Reply

    Après mise à jour du firmware. La fonction VPN ne fonctionne plus. Il y a en effet des erreur d'affichage de la page VPN.

    Les microprogrammes suivants créer une erreur pour la fonction VPN :



    Les microprogrammes suivants fonction avec le routeur :


    Version (version fournie à l'achat)


    Merci pour l'attention toute particulière que vous porterez à ce problème.

    N° SAV : WTM20150204171221671


    After updating the firmware. The VPN feature no longer works. There are indeed VPN page display error.

    The following firmware error to create a VPN function:



    The following function with the router firmware:


    Version (version included with purchase)


    Thank you for the attention you give to this problem.


    N° SAV : WTM20150204171221671

  62. Richard
    Richard 1 year ago .Reply

    Why is this guy highlighting AC66 and AC68 when his focus should be on the AC87? My goodness!

  63. Ah_Wong
    Ah_Wong 1 year ago .Reply

    Hi JJ and the Asus team, I recently purchased the RT-AC87U and I wanted to know is there anyway to hide the Guest SSID Names from broadcasting please? I can do it for the main SSID but I would really like to do the same for the Guest SSID. In the past I was able to do this in other branded routers. Look forward to hearing from you soon. Thanks.

  64. lor xiong
    lor xiong 1 year ago .Reply

    Thanks for the reply JJ. I have contacted Tech Support already They said there is no other option to disable it, it suppose to disable itself after 5 min which it did not. The only way is to reset the router to factory and start over. UI is a lot better than most I have used. The monopoly feature just does not seem to function as intended. FYI: I have an older brother MFC-7420 printer. Set printer to LPD/LPR no prints either. Any suggestion is greatly appreciated.

  65. JJ
    JJ 1 year ago .Reply

    A cable is always going to be the best way to ensure the highest consistent throughput. With that noted a mechanical HD has a limit on read and write performance which can be handled fairly easily by 802.11AC Wi-Fi. If your nas supports and AC adapter you could potentially have the same performance assuming the signal reception was solid and strong enough.

  66. JJ
    JJ 1 year ago .Reply

    For question A yes you can do a general range extender or AP ( or what is also referred as a media bridge ). Options would one our router set up in media bridge mode, the EA-87 or one of our RP series repeaters. Ideally the EA-87 would be my recommendation if you want to maintain the best possible throughput and range.

    for question B it is hard to say powerline while a great standard can be very variable in regards to performance and functionality. You also have to consider how the AV500 is extending the signal as it may only be extending it on 2.4GHz and may be susceptible to interference or other factors. You want to try using an application like InSSIDer to analyze your environment.

    Overall if you are looking to extend your coverage range and help to maintain the initial throughput to the extended range location I would advise either the EA-87, a secondary ASUS AC router or one our RP series repeaters.

  67. lor xiong
    lor xiong 1 year ago .Reply

    Hi JJ, got two questions for you. I recently purchased an ASUS-RT-AC68U from Newegg. I have the updated to the latest firmware and configured everything to what I want. The problem is that when I enabled (what to know if this works) the monopoly mode print (this feature should disabled itself after 5 mins per FAQ), other computers will not be able to print at all. I have to manually power off/on the router so that other computer can print again. My question is can you disable monopoly completely or is there any work around this feature without resetting the router to factory? I have already installed EZ-Print on all computers. Thank you in advance JJ.

  68. Johnny
    Johnny 1 year ago .Reply

    JJ, Im having download speed issues with my rt-ac87u. when I connect my desktop directly to my isp provided modem/router(sagecom fast 2864), Im getting close to 50m download and 10mb upload. Which is fine. But when I put said router into a bridge and connect to my rt-ac87u I get a big speed drop. down to 25-31mb download. Upload is affect as well, though not as much. Im running firmware Any suggestions????

  69. Lau
    Lau 1 year ago .Reply

    With regrads to maintaining real world highest files tranfer speed, which is more appropriate, please:

    a. 87AC ethernet 1000Mbps cable connection with WD NAS, or

    b. 87AC usb 3.0 4800 Mbps cable connection with WD NAD.

    Currently, I am using the ethernet cable, which is easier to connect.


  70. Lau
    Lau 1 year ago .Reply

    I am building a high speed home network system. Hence, concerning with avoidable wifi speed reduction. Test results of 87AC router with some gadgets are as follows:

    1. Music WAV files transfer speed at about 23MBps, using TP-Link T4U USB adapter operating at AC 5GHz with detected link speed 650_780 Mbps (design 867Mbps). The WDEX2 NAS is connected with 87AC with cat 5E ethernet cable receiving these files.

    2. Using TP-Link powerplug 4230 kit hooked up with ethernet cable to PC (100Mbps link) is 6 MBps.

    3. Using old PC g radio (54Mbps), transfer speed is 2.5 MBps.

    Questions, please:

    A. In general, can I establish an Access Point WITHOUT an ethernet cable connecting to 87AC (on ground floor) and other new router (on upper floor)? The Asus EA87 AP is shown, may consider.

    B. Is it possible that the powerplug (n radio, design 300Mbps wifi, and 500Mbps hot wire) slowed down my home network system, 87AC router n radio 2.4 Ghz 450Mbps (without turboQAM)?

    Thank you, JJ…

  71. rodney
    rodney 1 year ago .Reply

    Port forwarding doesn't work on the wrt RT87U

  72. Joe
    Joe 1 year ago .Reply

    Has anyone gotten the Nic Teaming/Link Aggregation to work? Also, how do I set the LAN-DHCP server to have more than one DNS server?

    Thank you!

  73. JP
    JP 1 year ago .Reply

    JJ, can you give us a timeline when the EA-87U will ship ?

  74. Lau
    Lau 1 year ago .Reply

    Will the 100Mbps eternet wired connection slow down the wifi speeds of the 87AC router, knowing that 802.11b/g devices can slow it down.

  75. robi
    robi 1 year ago .Reply

    ….configure a “custom” DDNS ….still one of the biggest missings with this Router. Shame not available for this price! Raised 4 months ago this is still a open point

  76. Ahmad
    Ahmad 1 year ago .Reply


    I have just got my two new rt-87u devices and while setting them up in bridge mode the second device is only showing "ASUS" SSID at 2.GHz I used the 5GHz to connect both of the devices together the issue I cant change the SSID name or put a password for it.

    What did i do wrong ?

    I have updated to the latest firmware and used the quick setup guide to it.

  77. glai
    glai 1 year ago .Reply

    How can a PC connected to the AC87 UTP port access to a HDD attached to the USB pport?

    Internally within the Router, is an attached USB device allocated an IP address?

  78. Gogolak
    Gogolak 1 year ago .Reply

    Any leads JJ on when the EA-AC87 will be making its debut to commercial shelves…?

  79. Scott Wasnik
    Scott Wasnik 1 year ago .Reply

    After further testing the Led light issue is something in the firmware.

    I did a factory restart and the led was fine. Sometime between normal setup, custom IP addresses, personalizing dns, and booting QOS the light started acting funny again. The port seems to work just fine.

    I also noticed after booting the Adaptive Qos that's when the BW monitor started to lock and not show live results.

  80. Scott Wasnik
    Scott Wasnik 1 year ago .Reply

    I just got the 87u about a week ago and noticed the Lan port 1 led blinking odd when in use. The led goes on and off not on with normal blinking compared to the rest. The Lan port itself seems to work fine the led is just really odd.

    Also when I look at my bandwidth page It hitches.

    It will show the live bw for a second and then stick until I click on a device, then it will show a second of usage and stick again.

    I'm using FF is there something I'm missing that could cause this.

    Last thing when using QOS do I have to manually switch to CTF 1 or is it ok to leave it on CTF 2?

    Thanks for any info I really love this router just wanna make sure that It's not faulty, the Led kinda worries me!

  81. Scott
    Scott 1 year ago .Reply

    Also I've noticed that the lan led #1 is acting funny compared to the rest. The led blinks on then off not solid blinking like the rest, it seems erratic.The port seems to be fine, but I only just got the router and wanna make sure It isn't faulty.

    Oh and one last thing I'm when looking at the Bandwidth page sometimes it doesn't show bandwidth in real time, It seems to get stuck. I'll look at the page bandwidth will show then stop. If I click on an device it shows the last bandwidth and then sticks.

    I'm using FF as my browser for the router, any suggestions?

  82. Scott
    Scott 1 year ago .Reply

    When using Qos do I have to switch the CTF to level one or is it ok to leave it on CTF level 2?

  83. TabMorty
    TabMorty 1 year ago .Reply

    What is considered to be a functional workload for the AC87?

    A typical household today have perhaps 15 wireless clients and 5 wired. The wireless will be a mixture of ac/a/n/b clients;, from laptops, mobile phones to xbox and Playstation . They also typically have a second AP connected as a range extender, which means you will have multiple sectors overlapping, "roaming" clients all the time.

    Both wired and wireless clients will stream media simultaneously, so the bandwidth between the router and AP can be considered to be a bottleneck. (Link aggregation does not yet work on the AC87). Some media is streamed from wired units (NAS/Desktop), and other streaming is via Internet.

    Considering that both the main router and AP is AC87, would this situation be considered to be OK, or should AC3200 be used instead?

    I ask this because I keep reading about AC87 being considered as "best option" for "home use" – and AC3200 for a heavy load mix use – but I have yet to see any numbers being presented as help to choose.

  84. Pär
    Pär 1 year ago .Reply

    I have som trouble with the DLNA. When copying a new file to the disc from the computer the DLNA library doesn't update until I either reboot the router or change some settings in the media server making it re-scan. I had the AC-68U a year before i bought the AC-87U and experienced the same problem with some firmware. Thanks for any answer.


  85. Mike
    Mike 1 year ago .Reply

    Hey J,

    Fresh out of the box ASUS AC2400 and having trouble connecting multiple XBOX Ones. One has an Open and the other is Moderate. I'm trying to make them both Open and need help. Tried both Ethernet and WiFi connections and no luck. Other forums insist this router can not handle two XBOX One consoles simultaneously. Suggestions?

  86. JJoe
    JJoe 1 year ago .Reply

    Any nic teaming updates yet? Pretty sad when the ports are labelled for teaming, and yet still no functionality.

  87. David
    David 1 year ago .Reply

    Getting very frustrated JJ. Please HELP…. After I go through all the setups and leave the system for awhile. I go back and I cannot log into the router. I have now done this twice on a hard reboot so I can access. Why is it locking me out? I enter the same user name and password with NO LUCK. Thanks JJ

  88. Daryl
    Daryl 1 year ago .Reply

    How many SSID can be created on AC87U. I want a separate network for parents, kids and guests. I am also looking at AC68U

  89. Eric Hubacheck
    Eric Hubacheck 2 years ago .Reply

    Great article JJ!

    Now, I have a USB-AC56 for my desktop, roughly 65 feet away from me router. I need an upgrade, and am looking at the 87U or WRT1900, and the ONLY reason I have not yet purchased the 87U is because of this article from PC mag, which shows the WRT1900 outperforms the 87U, when tested with the Asus USB AC-56, but nearly 300%… this is scary. In fact, even the Asus 68U doubled the performance of the 87U. I just purchased my AC56, but would be willing to purchase the 4×4 receiver when it becomes available. But for now, I need to know if current firmware could potentially improve performance between the 87U and the USb AC 56.

    Thanks for any reply,


  90. Juan “Pifive&r
    Juan “Pifive&r 2 years ago .Reply

    Hello JJ. We recently bought this router for our office since we have many devices connected via wireless and all previous routers had lot of issues. We pick this router cause it was the latest and greatest ever to be around to help solve our issues but we are suffering from internet drops and poor performance. We currently use around 15 devices (laptops, printer and mobile devices) One thing to discuss with you is that we are very very close to the router and at least 7 devices are within 5 ft away. Is having that many devices close to each other can be causing the issues? Isnt this router ready for any load or this many devices? I would appreciate any input or advice you have in order for us to solve our wireless issues before deciding to exchange or return this unit.

    Thanks Juan

  91. Kevin
    Kevin 2 years ago .Reply

    Just purchased this router and have had mixed results. It seems that my WAN connection randomly stops working even though the router shows I still have an ip from TWC. I go into the router and do a ping test and get no responses. Reboot the router and everything works again. Had to reboot 3 times today. Suggestions?

  92. gogsi
    gogsi 2 years ago .Reply

    I have the same problem like described before with the 5GHz band, randomly i loose connectivity to the router, means the the client seems to stay connected but i am not able to ping the router anymore until i manually reconnect.

    I have upgraded the drivers of the client (ASUS Zenbook UX31A) but that did not solve the problems.

    Hopefully asus solves the problems soon otherwise i have to replace it

  93. heyjude
    heyjude 2 years ago .Reply

    If utilize the router only on AP mode can I still utilize AICloud and other tools?

  94. Ravi
    Ravi 2 years ago .Reply


    I had even looked at the manual but it does not have any topic related to vlan. is there a guide as to how to enable and setup vlan on RT-AC87?

    Thanks again,

  95. Ravi
    Ravi 2 years ago .Reply


    Does the asus firmware support vlan on the RT-AC87?


  96. Sting
    Sting 2 years ago .Reply

    Does RT-AC87 router support encrypted Time Machine backups to hard drives connected on the USB ports of this router?

  97. Jonathan
    Jonathan 2 years ago .Reply

    Thank you I will make the up grade. I do have some AC devices and plan to get more. What about the EA-AC87? I was considering getting that as well for my TV, PS4/PS3, and Onkyo. I just thought it would be easier than running hard wire. What's your thoughts?

  98. Jonathan
    Jonathan 2 years ago .Reply

    Hey JJ thanks for all the info. I've been following ASUS products for along time. Last year I bought the 56u and I've been very pleased. However, I continue to add more devices and the 56u does struggle sometimes when my family of five are using their at the same time. For a long time I planned to buy the 68u but now the New 87u is out. This Christmas I plan to add 5-7 new devices, which include 3 tablets(all Asus) , ps4, Onkyo receiver and a HTC phone. I'm considering the 87u as well as the new EA-87u media bridge. I was thinking of connecting my TV, both PS4/PS3 and the Onkyo to the bridge. My concern is this ok to do? Several of my devices are not AC yet but they will be. Plus I would like to be future proof. Is this the way to go? Please give feedback.

  99. Bryan
    Bryan 2 years ago .Reply

    I have recently purchased the AC87U. It appears that my 5G sinal drops out periodically. Is that possible> Also I am using a transmission Power of 100%. Does tranmiting at hi power make it more unstable??

  100. rapide
    rapide 2 years ago .Reply

    @TabMorty: SO the static IP issues does really exist and i'm not the only one having it. Funny thing was the VIP support acted as though i'm the only one in the entire world to report it and they have to pass it on to their "R&D" department to investigate. Doesn't sound anything close to "extensive" lest "complete" testing if you ask me. No matter how they try to sugar coat it, if Asus wants to release a 'halo' product and charge an huge premium for it, they better make sure the basics work. The static IP functionality is very trivial that any router should be able to do.

    Subscribe to the hardware forum, at least some guy is releasing some FW drops that you can cross your fingers and test rather than leaving you high and dry checking their "official" support site everyday if Asus miraculously decide to release something. There seems to be another new drop FW3561. Haven't tested it yet, but if this still does not work, I will need to start thinking of how to auction off the 87Us cheaply before they lose anymore value.

  101. rapide
    rapide 2 years ago .Reply

    Tested the new FW drop 2784. 87U is connected to a Gigabit switch. DHCP router is connected to the same Gigabit switch.

    1. Issue on 87U losing static IP in AP mode still exists. Loaded FW 2784 and upon completion, system asked for a hard reboot. Disconnected power to 87U unit for 5mins, reconnected power, booted up, can't find 87U using previous static IP address. Again, the 87U was assigned to an IP that is outside of DHCP range but within the same subnet mask. Using router DHCP list, 87U has automatically picked up an IP address that is "within" DHCP range. Loaded defaults, rebooted, set to AP mode, assigned static IP (no conflicts on the network) and repeated the same steps, 87U still decides to automatically picks its own DHCP IP. Rubbish.

    2. IP connectivity issues on 5GHz still persists. Established connection from laptop to 87U using 5GHz band. Full bars and connected at 300Mbps (2×2). Able to ping gateway in CMD PRMPT. Able to access any web pages successfully. Let system idle for 3-4mins. Repeated CMD PRMPT ping to gateway and destination host unreachable. Funny thing is laptop remains connected to 87U with full bars at 300Mbps. Reopened IE and tried to goto any site, fails. Disconnected from 5Ghz band and reconnected to 2.4GHz band. Repeated the same steps, no IP connectivity loss. What a load of crap.


  102. rapide
    rapide 2 years ago .Reply

    Unofficial beta firmware 2784 has been released:

    reference site:

  103. JJ
    JJ 2 years ago .Reply

    Can you clarify your inquiry / question?

  104. Bob
    Bob 2 years ago .Reply

    WHY WHY WHY is there still no documentation on how to implement aggregation. I can find no settings in the web gui anywhere. Why advertise port teaming and then ignore the option!!!!!?

  105. Jonathan
    Jonathan 2 years ago .Reply

    The 5Ghz is amazing, fast and has a good range. But I am also having the short drops in connection once a day, even with the latest firmware. After a while 2.4Ghz is broadcasting again but the 5 Ghz doesn't reappear.The problem is that only after a factory reset, everything works fine again. Any suggestions?

  106. rapide
    rapide 2 years ago .Reply

    I am having issues with the 87U (set up as AP mode with static IP):

    1. Laptop connected to the 5GHZ band. The thing is that the connection does not drop and I remain connected to the 5Ghz band, but I will lose connectivity to other devices after a while. Windows will show there is no Internet access. I will not be able to ping any other devices – even the 87U itself from the laptop. The issue does not exist if I'm connected to the 2.4GHz band and I am able to continue to ping any devices on the network after the same period of time. AP isolation is disabled on both 2.4/5GHZ settings. I tried to modify the DTIM/Beacon intervals on the 5Ghz band from default 3/100 to 1/100, 1/50, 3/50 but still does not resolve the issue.

    2. In the Wireless UI, the pull down selection for 2.4/5Ghz will be stuck as showing 5Ghz all the time. The only workaround possible is to click on the SSID name on the top for the respective bands and it will pull up the right settings page but still show Freq band will still be stuck at 2.4Ghz. This issue was resolved when I downgraded the firmware to 2061, restored defaults x3, upgraded to 2678, restored defaults x3, upgraded to 2769 and restored defaults once again for three times. Then the UI seems to be fixed and i'm able to select and pull down the correct UI page for both 2.4Ghz and 5Ghz respectively correctly.

    3. Static IP settings in AP mode:

    IP settings in AP mode is not kept after a reboot. This is soft reboot or even hard reboot of the 87U. The IP assigned to 87U is outside of the DHCP range and within the same subnet mask. So at this point, what I can do is just make sure I do not reboot the 87U for it to stick to the assigned Static IP.


  107. evora
    evora 2 years ago .Reply

    I have the same issue with regards to a second one acting as an access point. I think it's the firmware. It's almost like the system runs out of RAM (just a wild guess)… you can barely access the control panel as it becomes so slow…it's unable to service any IP traffic). Mine also loses the device IP address although keeps all other settings. It reverts to after a reboot. Latest firmware doesn't help. Any others having this issue?

  108. Mike
    Mike 2 years ago .Reply

    Is this or the 68U "dual console" compatible?

  109. idprism
    idprism 2 years ago .Reply

    i see from the video that ASUS decided to include WPS. i mentioned in the discussion during R&D that implementing WPS puts users at risk, and they should be informed of this security risk.

    i also see that some people have trouble bridging 2 87U routers at the same time as using stand-alone clients to connect. has that issue been explored/resolved by asus yet?

  110. JJ
    JJ 2 years ago .Reply

    Multiple VPN types are supported on ASUS routers it is part of our firmware. You find more information in the article regarding this. In short though yes you can configure the VPN "internally" on the router via the firmware.

  111. don
    don 2 years ago .Reply

    I am also having the miscellaneous short drops in connection. Never had this issue with my linksys before this. I am not sure if my phone is hyper sensitive to this problem as my other devices do not seem to be having it. Can someone offer a starting point to start looking for a solution.

  112. Patrick
    Patrick 2 years ago .Reply

    Can the ASUS AC87 be used as a VPN client? So that all devices connected to it will be linked to a remote VPN. If so, is Open VPN supported?

  113. EC
    EC 2 years ago .Reply

    After another week of testing, the issue appears to be having the second AC87 as an access point. I've gone days at a time without issue with a singe AC87 serving as a wireless router, but after re-introducing the second AC87 in AP mode, I lose my connection on all networked devices (wired and wireless) after several hours.

  114. Brandon
    Brandon 2 years ago .Reply

    Quick question jj Why won't my Netgear Wg111v2 Usb Wifi Card connect to the Netgear Wg111v2 Usb Wifi Card but only get like 10kb/s download but my other router will give me a lot more. Almost like it isnt working. another thing my phone will connect to the 87u flawlessly.

  115. Palle Korreborg
    Palle Korreborg 2 years ago .Reply

    Will the smart QoS come to the AC-68 or do i already have to buy a new router? I LOVE the AC-68, but i can't figure out the QoS :)

  116. John Miles
    John Miles 2 years ago .Reply

    I have a Brother HL-5370DW laser printer which I am attempting to use via the RT-AC87R router. The router shows it as attached when I plug it into either of the USB ports, and the "Add a printer" control panel app in Windows 8.1 sees the printer but it will neither show the printer as an available printing device or print a test page

  117. Patrick
    Patrick 2 years ago .Reply

    I've been using mostly default settings on the newest firmware, 2768 I think. I turn on QOS and have the LAN acceleration set to off. I've tried turning on the CTF 1 and 2, as well as turning off QOS and it get this moderate or sometimes strict NAT. Not sure why.

  118. EC
    EC 2 years ago .Reply

    I'm having the same issue. I've had one running for several weeks as an access point without issue, but just bought a second to use for the router, replacing the one supplied by AT&T (and switching to cable internet).

    Without boring you too much, I had a second internet connection utilizing an old D-Link as a router (w/o wifi) that worked fine for two weeks, albeit with less of a load on it. I cut over to the ac87R last night and have had to cycle the power no less than three times in 24 hours. What might be a minor annoyance for me is a huge hassle for the rest of the family. I hope this is something that can be fixed with firmware before long. I've got quite a bit tied up in two of these.

  119. JJ
    JJ 2 years ago .Reply

    You would be using the router as a media bridge or access point. You can setup the route to offer this level of functionality.

  120. Rivak
    Rivak 2 years ago .Reply

    @JJ, I still cannot find the option to enable the teaming ports (link aggregation) in the firmware Can you please point me in the right direction ?


  121. XboxUser
    XboxUser 2 years ago .Reply

    Hello JJ, thank you for the awesome help! I purchased one of these and love it, but I'm running into UPNP issues with having two xbox's going. They come back with moderate or strict nat when trying to play. I don't get that on my older 68u, any chance the upnp issues will be fixed in future firmwares? Are they aware of the issue?

  122. JJ
    JJ 2 years ago .Reply

    Thanks for the feedback. I will definitely pass along the request to our team. Additionally thank you for the kudos.

  123. Tim
    Tim 2 years ago .Reply

    I plan on buying this router shortly. I inted to use it as my primary router while using my current 68U as a repeater. My question is, if I use the 68U as a repeater, can I use theLAN ports on the 68U while in repeater mode? Also, do I connect the 68U to the network as well?

  124. Brent Phillips
    Brent Phillips 2 years ago .Reply

    JJ I have to say that every time I see you talk about a product, I'm impressed with how educated you are. Great job!

    Now on to a request. I just got the Asus RT-AC87U and so far I'm only missing one feature. That is the ability to configure a "custom" DDNS so I can use I made the move when DYNDNS started charging and it works fine with DDWRT, but it is missing from the Asus firmware.

    Can you pass the request on to the team who is handling the firmware updates? I'm fine with either them just adding it as an option or adding a custom option like in DDWRT.


  125. RC
    RC 2 years ago .Reply

    I was connecting on 2.4GHz. Never changed the channel, let it to auto if I recall.

  126. JJ
    JJ 2 years ago .Reply

    You use AiCloud you can find information on this at the ASUS support site. Overall it is pretty simple either you will navigate to the AiCloud custom webpage you create or you access your content via the application ( on iOS or Android )

  127. Devin Ogden
    Devin Ogden 2 years ago .Reply

    Where did you find this router available in the UK still looking for it.

  128. bob
    bob 2 years ago .Reply

    jj i have a question why is the router in the usa 279.99 and in the uk its around 200 bucks?

  129. DP
    DP 2 years ago .Reply

    While away from home, is there a set up guide or video that outlines how to access server connected to Asus RT-AC87R Router?

  130. RC
    RC 2 years ago .Reply

    Unfortunately I returned the RT-AC87U because the wireless signal strength was not what I expected. I switched to the Netgear R7500 which increased my wireless signal approximately 40%, I consistently use ASUS products and have been very pleased with their motherboards. This was the first ASUS router I have purchased. I would consider myself an experienced computer builder but a newbie with respect to networking. I initially thought of purchasing two RT-AC87U (one as the router and the other as an AP). I decided to purchase the Netgear router instead because I was not educated enough on the differences between AP, Bridge and Repeater options (which is better so to speak). So I elected to go the simple route and purchased another manufacturers router. Hopefully the signal strength will improve in the future and I will most likely purchase another ASUS router and try again. FYI… My home is 2500sq ft with a basement. With the ASUS router I barely had a wireless signal on the far side of the second floor. With the Netgear router I receive the signal just fine.

  131. RC
    RC 2 years ago .Reply

    I'd just like help keeping the really nice hardware running. It keeps dropping all connections, with no error messages anywhere. I have the latest firmware. Disappointed, and weary of cycling power to get it going again.

  132. JJ
    JJ 2 years ago .Reply

    The majority of our routers can be used a repeaters it is built into our firmware. With that noted you could consider our upcoming EA-87U which is a purpose built media bridge. Otherwise i would consider the AC66U as the lowest cost option or you could do the RP-AC52 and then use a switch with it.

  133. JJ
    JJ 2 years ago .Reply

    Should be very soon. I would check with UK ASUS social media on specifics for the release date.

  134. A Dent
    A Dent 2 years ago .Reply

    What is the backbone bandwidth of the RT-AC87U?

    If 3 LAN ports are busy with local traffic between them, how will that affect the speed for the WiFi connected clients to the uplink?

  135. A Dent
    A Dent 2 years ago .Reply

    I will need to set up a simpler AC bridge in a different room, connecting to the RT-AC87U with wired Ethernet. What unit would be a good partner for the router? (budget don't allow for a next AC87 :-)

  136. Mathew Teague (@MatT

    Hi JJ love the design and can't wait for this router =D! When will it be released in the UK?

  137. mpmbc
    mpmbc 2 years ago .Reply

    I am researching the AC3200 as a solution to a mini lab we have for students. Last week our Belkin only allowed 20 connections out of 37 devices, however that was not bad, I did not expect to have that many kids arrive. So I understand that the AC3200 will support up to 16 devices per each band (48 devices) – the question is what configuration are the 3 bands made of? We have 802.11N tablets and the kids have their laptops and tablets? Want to know it this would be a good fit for have 40 devices connected at one time. Our BW is 50MB down and 5MB up

  138. Seth
    Seth 2 years ago .Reply

    I just recently purchased the RT-AC87R and I cannot find any documentation or even a forum post regarding exactly what and how to use the "teaming" function on port 1 and 2. Any info would be appreciated!


  139. RC
    RC 2 years ago .Reply

    Who is the speaker in the ASUS RT-AC87U overview video? Great job! In the overview video a comment made about another video which goes into detail on the firmware configuration options and what they mean? Cannot find this video.

  140. JJ
    JJ 2 years ago .Reply

    Any device that is registered on the network map and client list can have an associated icon and title. As for IP address that is entirely different. There are of course options to fix IP but this is more advanced level of functionality within the firmware.

  141. Jo
    Jo 2 years ago .Reply


    Where I can buy this router here in Canada?


  142. Gerardo Gallegos
    Gerardo Gallegos 2 years ago .Reply

    Love this detailed article! I wish there was more articles like this!

  143. Mike C.
    Mike C. 2 years ago .Reply

    Good question, I am curious about this as well. It looks from the block diagram that the 1 LAN connected through the Realtek to the Quantenna may offer better throughput performance between say NAS device and 5GHz network clients perhaps? I have no idea given I don't know of the performance capabilities of each set of components between the 2.4GHz clients and the 5GHz clients, but for that one LAN port the path is quite different WRT 5GHz clients and has one less component in the processing path fr 5GHz client as well… if the block diagram is "electrically accurate" and/or I am interpreting it correctly.

  144. Mike C.
    Mike C. 2 years ago .Reply

    P.P.S. can ASUS PCDiY t-shirt be purchased somewhere soon (or now and I have missed it?).

  145. Mike C.
    Mike C. 2 years ago .Reply

    Routers are starting to remind me of razor blades as they progress (4 blades are better than three!). Of course routers actually benefit (my experiences so far anyway) vs. what "may" just be marketing with razors :). Just when I think that the only improvements possible are incremental until the next gen wireless is available, the 87U comes along. I have 2 AC66Us for coverage purposes and I was planning on adding a 68U but not anymore, sorry ASUS 68U, but I am now going to buy an ASUS 87U instead :). This 87U looks like a beast, it has more compute power than several devices that are on my network that are primarily designed for compute! The best part is that I don't necessarily have to justify replacing one of my AC66Us, rather I can replace my primary 66U with an 87U and re-use what was the primary 66U to improve coverage even more… unless a wireless survey shows that the 87U provides adequate coverage for my purposes… I am excited to see what this thing can do.

    Thank you for the incredibly detailed write-up and video JJ, considering past investments I have made on gear (my PC builds too, not just network), the effort you put into evangelizing each generation of ASUS solutions makes the difference between my investing in each generation rather than sticking with what I have already invested in for a few generations. This is even(especially) when underlying generations haven't changed, like moving from the RIVE to the RIVBE on the X79 platform where your video comparing the two was what made the difference on my decision. No one else addressed the issue of breathing new life into X79 for enthusiasts (who are required and/or addicted to building/upgrading frequently) while we continued to patiently wait for X99(almost here, yay!), so ASUS putting the effort into the RIVBE was appreciated, and at least in my case an unexpected but pleasant surprise.

    Same thing here with the 87U 2.0 AC solution, an unexpected but pleasant surprise that takes consumer router/WAP solution options to the next level while we wait for the next generation(whatever that is, given ad and ah aren't replacements :/). This is sorely needed given the proliferation of higher quality wireless devices combined with higher bandwidth demanded by better quality content for those devices… I expected having to take more drastic measures to support this in my home, now it looks like I have a much simpler solution.

    Generally speaking, I think ASUS does a the best job in the consumer industry WRT frequent iterations introducing fundamental improvements including both features and performance that fill the gaps left by the divergence in the speed of innovation in different industries producing related technologies. The current cadences for new architectures and specifications seems to be going slower and slower while the dependent technologies are improving at a faster pace (that is my impression anyway), I am glad ASUS exists to fill that gap so that we can take advantage of the features of the dependent technologies while we wait for new iterations of the underlying architectures to catch up.

    That said, demonstrating how ASUS helps consumers solve this problem is obviously important, and you do a great job JJ in explaining the relevant details without wasting everyone's time with marketing BS (5x faster x3 my arse, competitor I am thinking of to remain nameless)… so thanks for your efforts and for not succumbing to spouting BS, hopefully ASUS keeps doing so well on new solutions so that you are never required to :).

    P.S. looking forward to the new peripherals as well!

  146. Kenton
    Kenton 2 years ago .Reply

    Thanks JJ! I also have a 1520 (that I love) and my table is the 2520. Any word on my question about the EA-87? I really appreciate the responses. Also, really great show tonight with Tek Syndicate, I learned a lot. I can't wait for the x99 MBs!

  147. sokhoon8
    sokhoon8 2 years ago .Reply

    New network map, networking homepage

    •The primary homepage for the router has been updated with more information to allow for quicker access and detailing to information information about your network and connected devices. Additionally aspects of customization have also been included.

    •Some of the new aspects are CPU utilization display and monitoring, RAM utilization display and monitoring as well as labeling for USB 3.0 and USB 2.0 ports. Per connected client connection details including signal strength for wireless devices. For each device you can even defines its display icon and name making it easier for you to know what devices are connected. All devices are easily broken up as well under a general online status as well as more specific wired and wireless connections.

    So to help me out here. Does this mean I can fix an IP address say and name the device "TIVO Family room"

  148. Ian
    Ian 2 years ago .Reply

    Will this router be given the ability to logically name attached devices (i.e. TIVO) rather than have to rely upon knowing and remembering a specific address? In short I want to fix my own IP addresses and name those devices so they can more easily be managed. Something that is available on say the Linksys WRT1900AC.


  149. gcfan88
    gcfan88 2 years ago .Reply

    When will this router be available on Canada?

  150. Greg
    Greg 2 years ago .Reply

    Why is one of the four LAN ports not running off the Broadcom SOC?

  151. Kenton
    Kenton 2 years ago .Reply


    Great video and information as always, a couple of questions about this router.

    1. Will AI-cloud support windows 8.1 phone app anytime soon? I have recently switched all of my mobile devices to windows 8 platform and it seems that I won’t be able to take advantage of this great feature with this router unless I have iOS.

    2. I would like to connect all of my living room devices to the EA-87 as you explained in the video. When will this be available for purchase?

    Thank you

  152. beardsquad
    beardsquad 2 years ago .Reply


    I'm relying on the 87R to provide a 1.0+ Gbps connection to the multiple computers in my home because of a NAS. However, the only one currently capable of getting this is my desktop that I've put a PCE-AC68 into (I get up to 1.3 Gbps sometimes, but it never dips below 1.0; can't complain). Many other computers on the same floor of the house as this desktop can't get these kinds of speeds unfortunately (though they do have 3×3 AC antennae).

    1) Would an AE-87 benefit me if I were to put it on this floor of the house (one floor above the router)?

    2) Does the AE-87 behave only as an extender or does it expand bandwidth in any way?

    3) Any plans on offering a PCE-87 card? Nothing out there that can take advantage of the 4 stream yet as far as I'm aware.


  153. righ
    righ 2 years ago .Reply

    when is this going to be available in the uk? plzz reply

  154. dallas
    dallas 2 years ago .Reply

    i still don't understand what the real difference is between the 87u and the ac3200 can someone explain it to me

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