This repo contains the files you need to succesfully configure the USG with KPN FTTH with IPTV and IPv6 enabled. Place config.gateway.json at the unifi controller (sites/default) via SCP The ...

Solution: Temporarily disabling WAN2 after failing back to WAN1 will reset whatever condition(s) cause this. Tested on a USG-PRO-4 but should work on any USG variant with a two-interface failover WAN ...