I'm running OpenBSD 4.2 on SPARC64. I have managed to get a simple BGP setup working on IPv4, however the IPv6 version of the same setup fails. A BGP session is established in both cases and peer B claims to be announcing what it should be announcing, yet in the IPv6 version peer A does not add it to its RIB.
Host A: AS: 64512 Loopback: 192.168.0.1 2001:db8::1 To B: 192.168.1.1/24 2001:db8:1::1/64 Host B: AS: 64513 Loopback: 192.168.0.2 2001:db8::2 To A: 192.168.1.2/24 2001:db8:1::2/64 To miscellaneous subnet: 192.168.2.1/24 2001:db8:2::1/64 Host A: lo0: inet6 ::1 prefixlen 128 inet6 2001:db8::1 prefixlen 128 inet 127.0.0.1 netmask 0xff000000 inet 192.168.0.1 netmask 0xffffffff gem1: inet6 2001:db8:1::1 prefixlen 64 inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255 bgp.conf.v4: AS 64512 router-id 192.168.0.1 neighbor 192.168.1.2 { remote-as 64513 announce all } allow from any bgp.conf.v6: AS 64512 router-id 192.168.0.1 neighbor 2001:db8:1::2 { remote-as 64513 announce all } allow from any bgpctl sh (v4): Neighbor AS MsgRcvd MsgSent OutQ Up/Down State/PrfRcvd 192.168.1.2 64513 3 3 0 00:00:13 2 bgpctl sh (v6): Neighbor AS MsgRcvd MsgSent OutQ Up/Down State/PrfRcvd 2001:db8:1::2 64513 3 4 0 00:00:31 0 bgpctl sh rib: *> 192.168.0.2/32 192.168.1.2 100 0 64513 i *> 192.168.2.0/24 192.168.1.2 100 0 64513 i bgpctl sh rib inet6: flags: * = Valid, > = Selected, I = via IBGP, A = Announced origin: i = IGP, e = EGP, ? = Incomplete flags destination gateway lpref med aspath origin Host B: lo0: inet 127.0.0.1 netmask 0xff000000 inet6 ::1 prefixlen 128 inet 192.168.0.2 netmask 0xffffffff inet6 2001:db8::2 prefixlen 128 gem0: inet 192.168.2.1 netmask 0xffffff00 broadcast 192.168.2.255 inet6 2001:db8:2::1 prefixlen 64 gem1: inet 192.168.1.2 netmask 0xffffff00 broadcast 192.168.1.255 inet6 2001:db8:1::2 prefixlen 64 bgpd.conf.v4: AS 64513 router-id 192.168.0.2 network 192.168.0.2/32 network 192.168.2.0/24 neighbor 192.168.1.1 { remote-as 64512 announce all } allow from any bgpd.conf.v6 AS 64513 router-id 192.168.0.2 network 2001:db8::2/128 network 2001:db8:2::/64 neighbor 2001:db8:1::1 { remote-as 64512 announce all } allow from any bgpctl sh (v4) Neighbor AS MsgRcvd MsgSent OutQ Up/Down State/PrfRcvd 192.168.1.1 64512 2 4 0 00:00:11 0 bgpctl sh (v6) Neighbor AS MsgRcvd MsgSent OutQ Up/Down State/PrfRcvd 2001:db8:1::1 64512 2 2 0 00:00:06 0 bgpctl sh rib AI*> 192.168.0.2/32 0.0.0.0 100 0 i AI*> 192.168.2.0/24 0.0.0.0 100 0 i bgpctl sh rib inet6 AI*> 2001:db8::2/128 :: 100 0 i AI*> 2001:db8:2::/64 :: 100 0 i