https://ncrmnt.org/2018/11/25/%d0%bf%d1%80%d0%be%d1%81%d1%82%d0%b0%d1%8f-%d0%bd%d0%b0%d1%81%d1%82%d1%80%d0%be%d0%b9%d0%ba%d0%b0-ipv6-%d0%bd%d0%b0-openwrt/?lang=ru
Простая настройка IPv6 на OpenWRT