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I read that not all routers support VLANs, but I can't tell if mine does or not. I'm extremely new to VLANs and openwrt in general. Can someone give me a touch of guidance? (sh.itjust.works)

submitted 2 weeks ago* (last edited 1 week ago) by hereiamagain@sh.itjust.works to c/openwrt

8 comments fedilink hide all child comments

I'm old school, the last router firmware I touched was ddwrt on a 54g. These days it seems openwrt is the way to go.

I've got an old Google WiFi that I just flashed over. I have a small managed switch in the mail. I want to play with VLANs. With only one lan port I'll need to do trunking.

I've watched the videos, read some docs, I'm still trying to wrap my head around it.

Right now I'm stuck on the idea that my router model might not even support it? I can't find where I read that, but now I'm all turned around.

I'll play with it when the switch arrives, surely I'll figure it out eventually. but in the meantime, does anyone know if the Google WiFi router supports VLANs when flashed? Or is that a problem I made up?

Thanks!

Edit: update, VLANs up and running! Still need to tweak the isolation, but this is very cool tech.

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[–] thenextguy@lemmy.world 7 points 2 weeks ago* (last edited 2 weeks ago) (2 children)

I can’t think of any reason vlan support would be limited by hardware. It should be completely software defined.

[–] theit8514@lemmy.world 4 points 2 weeks ago

Some consumer grade devices had unmanaged switches or hubs for their internal ports, with a single port presented to the device itself. In that case, the system can't split the ports out to have vlans on individual ports. You could still accept multiple vlans, but it would only be on the one port.

[–] BCsven@lemmy.ca 3 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

From the web for ddwrt:

VLANs require a managed switch chip inside the router — typically Broadcom or Qualcomm/Atheros chips

Mediatek or Realtek-based routers may have little to no VLAN support in DD-WRT builds.

But I assume that is for Ethernet ports not WiFi?

[–] corsicanguppy@lemmy.ca 2 points 2 weeks ago* (last edited 2 weeks ago)

The chip looks to be Qualcomm-based. There's hope.

[–] jimmy90@lemmy.world 1 points 2 weeks ago (1 children)

i was surprised that all the hardware i had supported vlans, i think it's actually kinda standard these days

give it a try

[–] hereiamagain@sh.itjust.works 1 points 1 week ago

Thanks I will! I was trying to avoid buying hardware before knowing for sure, but small managed switches are fairly cheap

[–] Clearwater@lemmy.world 1 points 2 weeks ago (1 children)

From the OpenWRT HWData pages (1, 2), your router supports VLANs.

A majority (70%, according to the ToH) of routers support VLANs, so it's generally a safe bet.

[–] hereiamagain@sh.itjust.works 1 points 1 week ago

Bah, I even looked at the ToH, but didn't see anything about VLANs. I see it now, thanks!