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Looking for advice: Different WANs for different VLANs (feddit.uk)

submitted 2 weeks ago* (last edited 2 weeks ago) by rmuk@feddit.uk to c/openwrt

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Hi all. Thanks for checking in. I've been looking at Routing Rules and Routes to try and solve a couple of problems but I keep screwing up and taking down my whole network (and I've never been more grateful for serial ports).

What I'm trying to do is use different WAN connections for different VLANs/subnets. To begin with, I would like to route my general-purpose subnet (VLAN104) WAN traffic over a Proton Wireguard VPN while leaving all my other subnets using my standard ISP connection. Afterwards, I'd like to additionally route a subnet I use to give my neighbour Internet access (VLAN102) over a different Proton Wireguard VPN. Annoyingly, both the Wireguard VPN connections use the same private IP addresses though I suspect that won't actually matter that much in practise.

I starting to suspect I'm barking up the wrong tree trying to use Routing Rules but I'd appreciate any advice.

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[–] sneaky@r.nf 1 points 2 weeks ago

So, not openwrt, but I just did this with Omada software and was similarly confused. The step I missed was creating IP Groups. Policy routing is correct, but I wasn't able to policy route VLANs. I had to create IP Groups that corresponded to the VLANs and then policy route the IP Groups.