Hello, Yesterday I wrote to misc@ with this:
https://marc.info/?l=openbsd-misc&m=152302592426018&w=2 I apologize with the inline paste, thunderbird is just not good enough for this stuff. Anyhow I have produced this patch after upgrading the 6.2 box to 6.3. It all works now: Here is my config: gif1: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1280 index 12 priority 0 llprio 3 groups: gif tunnel: inet6 fd43:5602:29bd:16:0:dead:beef:1 -> fd43:5602:29bd:16:0:dead:beef:16 ttl 64 nodf rdomain 2 inet 172.16.16.10 --> 172.16.16.16 netmask 0xffffff00 inet6 fe80::290:bff:fe19:5604%gif1 -> prefixlen 64 scopeid 0xc uranus$ ping6 fe80::baae:edff:fe73:a76c%gif1 PING fe80::baae:edff:fe73:a76c%gif1 (fe80::baae:edff:fe73:a76c%gif1): 56 data bytes 64 bytes from fe80::baae:edff:fe73:a76c%gif1: icmp_seq=0 hlim=64 time=8.767 ms 64 bytes from fe80::baae:edff:fe73:a76c%gif1: icmp_seq=1 hlim=64 time=9.854 ms ^C --- fe80::baae:edff:fe73:a76c%gif1 ping statistics --- 2 packets transmitted, 2 packets received, 0.0% packet loss round-trip min/avg/max/std-dev = 8.767/9.311/9.854/0.543 ms uranus$ ping 172.16.16.16 PING 172.16.16.16 (172.16.16.16): 56 data bytes 64 bytes from 172.16.16.16: icmp_seq=0 ttl=255 time=10.329 ms 64 bytes from 172.16.16.16: icmp_seq=1 ttl=255 time=12.994 ms ^C --- 172.16.16.16 ping statistics --- 2 packets transmitted, 2 packets received, 0.0% packet loss round-trip min/avg/max/std-dev = 10.329/11.662/12.994/1.332 ms The patch follows: Index: if_gif.c =================================================================== RCS file: /cvs/src/sys/net/if_gif.c,v retrieving revision 1.113 diff -u -p -u -r1.113 if_gif.c --- if_gif.c 15 Mar 2018 21:01:18 -0000 1.113 +++ if_gif.c 7 Apr 2018 07:59:54 -0000 @@ -338,7 +338,7 @@ gif_send(struct gif_softc *sc, struct mb ip6->ip6_flow = htonl(flow); ip6->ip6_vfc |= IPV6_VERSION; ip6->ip6_plen = htons(len); - ip6->ip6_nxt = IPPROTO_GRE; + ip6->ip6_nxt = proto; ip6->ip6_hlim = ttl; ip6->ip6_src = sc->sc_tunnel.t_src6; ip6->ip6_dst = sc->sc_tunnel.t_dst6; Best regards, -peter
