this post was submitted on 05 Jan 2026
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I am looking for a router, and OpenWRT came up. I was looking at their table of hardware and the ASUS RT-AC3100 seemed like a good option, as its cheap used, (~$40 USD) and supported by the latest OpenWRT version.

Thing is, its EOL, per Asus. Does this mean that it won't be supported on OpenWRT for much longer?

Is there a way to see or estimate when a router will no longer work on OpenWRT?

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[–] jrgd@lemmy.zip 6 points 1 week ago* (last edited 1 week ago) (10 children)

Looking up the router, it was allegedly produced in 2024, according to the OpenWRT wiki. Barring any outliers, OpenWRT generally only sunsets hardware when a new version has higher hardware requirements than is provided by a device. The supported devices page lists out the hard requirements as well as recommendations. Currently 8 MiB flash storage is the minimum, with 16+ MiB recommended (for additional functions, user addons, etc.). 64 MiB is the minimum RAM target, with 128+ MiB recommended. According to the router's wiki page, your chosen router exceeds both recommended requirements. Overall, the router should be suitable for a good while not barring any severe hardware or bootloader-level exploitable vulnerabilities are discovered with the device. There is no explicit date of when your router will no longer be supported, but you can check the history of the supported devices page to get the general trend of when OpenWRT bumps up the minimum requirements. For instance, it was just 4/8+ MiB flash storage and 32/64+ MiB RAM in early 2017.

Depending on what you want to do with the router, getting something with more RAM and a stronger CPU could be beneficial for various tasks (e.g. adblock-fast, cake sqm, etc.). Definitely do research on what you want your router to do though before choosing to go with higher specs or not.

[–] gabmus@retrolemmy.com 5 points 1 week ago (9 children)

FWIW I bought an N100 mini pc with 2 nics for ~100eur and use it as an openwrt router. It's so easy and simple IDK why more people don't recommend it.

[–] jrgd@lemmy.zip 7 points 1 week ago (6 children)

I mean, the mini PCs don't come with a managed switch, and often without good wireless connectivity that most home routers will come equipped with. So in total with Wi-Fi APs and a decent switch, definitely more than €100 in total.

Also unrelated, but if you're running a x86 system with gigabytes of RAM, why not run Opnsense at that point?

[–] gabmus@retrolemmy.com 3 points 1 week ago (1 children)

As for opensense, I just like openwrt better. Also yeah sure I bought a dumb switch and a standalone access point (some zyxel also running openwrt) for an extra ~120eur total but that's a whole setup and it works quite well.

[–] Vorpal@programming.dev 1 points 1 week ago

While that works, it will use more electricity than an all-in-one ARM based router. Depending on prices and renewable/fossil mixture where you live, this may or may not be a concern.

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