![](https://news.idlestate.org/pictrs/image/990f291f-8e19-472a-a5d4-7188ca845325.png)
![](https://sh.itjust.works/pictrs/image/15634034-afae-4426-826f-0ba7e2d1adda.png)
You’ll want to bridge your WiFi and Ethernet interfaces. As always the Arch Wiki has instructions for setting up a bridge interface, there’s multiple options depending on how you have your network setup on your system: https://wiki.archlinux.org/title/network_bridge
Interesting, I swear I’ve done exactly this before and didn’t have DHCP troubles, but that was like a decade ago, so I might be misremembering.