@WalpicarBR you definitely have a problem with the cable, check the terminations at both ends of the cable, if they are OK then you need to change the cable. if the access point is meshing then you...

@VolkerS try and enable ARP detection on network interface to see if it helps

@AndyBH set up a policy route and direct traffic to the WAN port you want to use as default and enable Use the other WAN port if the current one is down

@VolkerS What type of switch do you have?

@RisingMonk Omada routers have a default ip of 192.168.0.1, log on to the router and change to the ip address that is on the controller's network. the router's lan interface cannot get an ip from a...

@Alfred_DOMO it's probably the same problem I had on ER8411 with EA firmware. Enable SSH if you haven't done so, use putty or another tool and connect to the router with SSH, log in with device...