I have successfully installed OpenWRT on a FritzBox 7430. My setup is relatively simple. It is connected via LAN behind another router to distribute LAN and WLAN to another floor. The box has 4 LAN ports and 1 WAN port. Unfortunately, I have to use one of the 4 LAN ports for my current configuration because the WAN port doesn't work (the first router doesn't assign an IP). My question is whether it is possible to convert the WAN port to a LAN port. I couldn't find any instructions for this. Is this possible at all? Thank you for your answers.
Usually it is possible to make the port that is labeled "wan" to work just like the rest of the lan ports.
One thing that does concern me is that the wan port doesn't get an IP from the upstream -- that makes me wonder if there could be a physical issue. But we'll tackle that later.
Please connect to your OpenWrt device using ssh and copy the output of the following commands and post it here using the "Preformatted text </> " button:
Remember to redact passwords, MAC addresses and any public IP addresses you may have:
It took me a while to realize that this device does not have a WAN port. That's an RJ45 port used by and for the DSL modem exclusively. If you look closely, it is labelled "DSL" and not "WAN".
If it is labeled DSL, that means it is going into the DSL modem -- completely different electrical interface when compared to ethernet, and not compatible at all.
So it is not possible to bridge the physical DSL port (and this would also explain why you were unable to get a link/address on that port).
