My ER605 does NOT activate the backup link. Tried Config 1 : WAN configured in PPPoE mode by putting the ONT in bridge mode. WAN/LAN1 configured in Dynamic IP. Failover for PRIMARY WAN is WAN/LAN1. Wh

I have two GPON Wifi ONTs from two ISPs connected to WAN ports of the ER605 for load balancing. A switch is connected to the ER605. I have a network printer hooked up to the switch. The printer prints