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[Help] OpenWrt wifi to ethernet repeater (linux.community)

submitted 1 day ago by [email protected] to c/selfhosted

8 comments fedilink hide all child comments

I recently moved to shared housing and they have a very poor Wifi 4 router located quite far from my room (no chance of wiring ethernet). As I'd like to host some (local) services for myself, I brought a Tp-Link Archer C6 (v3.2) with me to mess with. I had set up WDS successfully on the stock firmware to get a much better internet connection in my room,, but it was finnicky and sometimes drop out entirely for hours. As I knew my router has good support from OpenWrt, I decided to flash it tonight and "quicky re-do the WDS setup". It's been over 5 hours and I've had no luck getting it to connect following the wiki's guide. I also tried making a relayd-based access point, but it doesn't seem to route to ethernet and when I tried connecting with my phone it just stays on "Obtaining IP address..."

I feel very much out of my depth.. is there an easier way to achieve this? Basically, my ideal end result would be having a better/more consistent wifi connection (which I think works because the router has much stronger antennae than my laptop or phone) and ethernet, with OpenWrt available to toy with and learn more about networking.

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[–] [email protected] 7 points 1 day ago* (last edited 1 day ago) (1 children)

https://openwrt.org/docs/guide-user/network/wifi/relay_configuration

Major thing is to enable AP mode and that can only be enabled when you have DHCP disabled on your AP node with an IP range that doesn't conflict with your main router. So if your main router has 192.168.1.0/24 you should choose the 192.168.2.0/24 range. Next AP should be 192.168.3.0/24, etc.

[–] [email protected] 1 points 23 hours ago

When I follow this guide and get to the part where DNS server of wwan to the root router's IP, I am not able to ping anything from a ssh session into the router (I get "bad address 'google.com'". So, I set the DNS address to 1.1.1.1 which restored ping's functionality. However, with this configuration the network does not appear to be shared at all. My PC, connected to the LAN port, cannot access the internet (regardless of forcing a static IP for the pc)