! hostname r4 log file zebra.log ! ! debug zebra events ! debug zebra rib ! interface r4-stubnet ipv6 address fc00:4:4:4::4/64 ! interface r4-sw6 ipv6 address fc00:b:b:b::4/64 ! interface lo ! ipv6 route fc00:4444:4444:4444::/64 fc00:4:4:4::1234 ! ! line vty !