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Networking

OpenWrt Routers for 802.11ac: Five Picks

by Adam Lovinus November 2, 2016
by Adam Lovinus November 2, 2016 5 comments 12431 views

It is showtime for OpenWRT routers and open source firmware. After rumblings that the FCC was moving to ban custom-flashing of wireless routers, the feds backed off.

Credit the Blufferbloat Project, a group of old-school FOSS networking pioneers. They drew up a plan to “save the Internet” as it were, prompting an about-face from the agency. Blufferbloat schooled the FCC on the security benefits of source code transparency, and the government now encourages hardware manufacturers to support firmware modifications.

Networking vendors already know the value of that FOSS niche. Even Cisco lets open source slide on a few products (Cisco WRVS4400N 802.11n), a lesson it learned after its Linksys buyout in 2003—the earliest days of flashing router firmware. Cisco sold Linksys to Belkin in 2013, and the custom router firmware push has since come back to life for the brand.

Linksys back at it again with the open firmware

Linksys WRT54G - destined for museums' historic technology exhibit

It all began on a little blue 4-by-1 residential router, the venerable Linksys WRT54G. You probably had one; practically everyone did.

Released in 2002, it shipped with Linux-based firmware and a Broadcom 125 MHz MIPS processor and 16 MB of RAM—enough horsepower to run applications and a saddle for programming it.

Starting in 2004, developers using uClibc Linux to “hack” the GNU firmware came up with the first “stable release” of OpenWrt.

The devs eventually figured out how to tarball OpenWrt onto embedded flash memory in routers from other vendors. The project continued to evolve the kernel, naming it after their favorite cocktails: White Russian, Kamikaze, Backfire, and Chaos Calmer—that is Gin, triple sec, lime juice, grenadine, orange juice; shaken, not stirred.

OpenWrt, DD-WRT, Tomato, pfSense 

Now there are dozens of strains of open source firmware for routers. Easy-manage variants like DD-WRT and Tomato grew popular with home users tweaking Wi-Fi throughput.

Professional network engineers recognize OpenWrt as the go-to for organizational use. They like a proper Linux GNU and stable versioning to work into existing Linux environments. Built-in packet management features, and other business-specific functionality make sense for this user set.

802.11ac OpenWRT routers

Before we get into the best routers for OpenWRT, a caveat from their Wiki page:

“There is no ‘best hardware,’ so stop asking. Purchase something that meets your requirements.  Inform yourself about the current hardware support on the Internet and ask other users/developers for a personal recommendation in the forum.  Avoid overhyped, overpriced products—embedded hardware can be VERY inexpensive! OpenWrt is what does the magic!”

This is the ultimate pro tip, and it applies to all technology hardware.

That said, here are five 802.11ac OpenWRT routers with strong user recommendations on Newegg, and forums for firmware networking enthusiasts.

Linksys WRT1900AC Dual Band Gigabit Wireless Routers
Linksys WRT1200AC and its big brother WRT1900AC (extra antenna for multi-story Wi-Fi) carried on tradition of the original Linksys blue router. Now that Linksys AC3200 Wave 2 802.011AC models are available, vendors are clearing inventory for these open firmware stalwarts. Check for deals on routers.

Linksys AC3200 Wave 2 802.011AC

Linksys AC3200 is OpenWrt ready, though it is not yet on the master list of supported OpenWrt routers. Imre Kaloz, a long-time developer with OpenWrt and the forum moderator, released a custom Chaos Calmer AC3200 build on October 13, which appears to be good to go.

TP-LINK Archer C7 AC1750

TP-LINK Archer C7 AC1750 – Customers call this the most cost-efficient AC router on available. No frills, no problem when you run custom firmware, but a USB 3.0 would be nice. With the next gen TP-LINK C7 C5400 in stock (no OpenWrt support yet as of this writing) watch for deals here as well. A good bet for under $100.

ASUS RT-AC68U

ASUS RT-AC68U – Dual CPUs for each wireless channel is the defining feature here, and it may add a wrinkle to installing OpenWRT. Make sure to check their forum for guidance. It has similar specs to Netgear R6250, which indicates the hardware should be compatible as listed by OpenWRT.

Linksys EA6200

Linksys EA6200 – Designed for Wi-Fi media streaming with DLNA certification and the latest 802.11ac smart Wi-Fi features like beamforming, plus USB 3.0 for print, share and store functionality.

 

General router hardware recommendations to take into account:

  • Router CPUs drive automation functions in multi-device networks, which is the purpose of 802.11ac routers that the latest OpenWRT kernel (“Chaos Calmer”) is built to support.
  • Router CPUs drives VPN session performance in the absence of a server-based VPN solution
  • Feature-heavy OpenWRT should have more RAM for smooth running.
  • If you reach a 1 Gbps wireless connection, take screenshot and paste in the comments.

What did I miss? Let me know your picks for best OpenWRT router in the comments.

Adam Lovinus

Adam Lovinus

A tech writer and Raspberry Pi enthusiast from Orange County, California.

More Posts - Website - Twitter - LinkedIn - Google Plus

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OpenWRT Routers for 802.11ac: Five Picks
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OpenWRT Routers for 802.11ac: Five Picks
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It is showtime for OpenWRT routers after FOSS schooled the FCC on the security benefits of source code transparency, and the agency now encourages hardware manufacturers to support firmware modifications.
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Adam Lovinus
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Adam Lovinus
Adam Lovinus

A tech writer and Raspberry Pi enthusiast from Orange County, California.

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5 comments

Avatar
BenMa August 21, 2017 - 8:45 pm

11AC has good trend in future. Omylink technology is OEM manufactuer of OpenWRT router

Reply
Best Wireless Router 2018 - 11 Best WiFi Routers Reviewed! August 24, 2017 - 11:02 am

[…] is very important considering the fact that this router is made to be used with firmwares such as Open WRT, tomato firmware […]

Reply
Avatar
Jack January 24, 2018 - 10:15 am

How about a good guide to setting up OpenWrt.

Reply
Adam Lovinus
Adam Lovinus January 24, 2018 - 4:03 pm

Working on it!

Reply
Avatar
Marc December 13, 2018 - 9:50 am

and an updated router list. or a separate one for 5ghz low cost openwrt routers. Because of google home (I am sure this is true of all other smart home systems) and in my case the need for bridging a large air gap space (we have an office made from a shed on one end of the property), I have a good 2.4 ghz setup. But my 5ghz has only one access point and it is badly located for the main tv area.
I do want to say, thanks for what you have already done. )

Reply

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