frr defaults traditional log syslog warnings ipv6 forwarding router bgp 65551 bgp log-neighbor-changes no bgp default ipv6-unicast no bgp ebgp-requires-policy bgp network import-check bgp graceful-restart neighbor LAN peer-group neighbor LAN remote-as internal neighbor LAN activate bgp listen range 2403:581e:ab78::/64 peer-group LAN address-family ipv6 unicast redistribute connected network 2403:581e:ab78::/64 neighbor LAN activate exit-address-family ipv6 route fe80::aab8:e0ff:fe00:91ed/128 igc1