It says WAN or LAN , but luci was exposed in WAN instead of LAN, not sure was Openwrt 18 or 24, yes I kept old config when flashing. Now seems fixed. Did flash everything with 24 something
The problem is that configs are ypgraded only one version, if you made a 7 year jump the only chance to make it work is to start from blank reset config.
So , don't know what was going on, which command shows which interface is connected, not just up and running but with an actual cable plugged in (talking about rj45 plug) to be sure I can assign eth0 and eth1 to one of the two labelling the box ( wan , lan) ? Need busybox command btw