@Chadrock I had to change the IP Address of my second router because it was conflicting with the ER605. You can check if that's case on the logs page (System Tools > System Log). Then you have to go...

@Virgo thank you, it worked!!

@Trigger77 I discovered there's an IP conflict, as follows: [osg:C0-06-C3-3D-15-26] failed to obtain the IP address for WAN/LAN1 because IP-Address/Gateway conflict with IP-Address of another LAN/WAN...

I have two WANs that I want to connect to be able to configure a load balance between them. One of them I was able to configure automatically, because it was recognized by router and it's installed...