Setting up IPv6 in OpenWRT Barrier Breaker for TM Unifi

  1. Create new interface for IPv6
    Network-Interface-Add New Interface..
    Match below setting
    ipv6-1ipv6-2
    ipv6-3
    ipv6-4
    ipv6-5ipv6-6
 

https://advanxer.com/blog/2015/11/setting-up-ipv6-in-openwrt-barrier-breaker-for-tm-unifi/