Hi, @jan: how get your IPv6 connectivity ?
IPv6 traceroute from noc.sixxs.net @ SixXS NOC, AS12871 to 2001:718:1:e::23:3257 : Hop Node Loss% Sent Last Avg Best Worst StDev ASN Organisation 1. 2001:838:1:1::1 0.0% 5 0.4 0.4 0.4 0.4 0.0 [.nl] Netherlands, The 12871 Concepts ICT ge-1-3-0.breda.ipv6.concepts-ict.net. 2. 2001:838:0:10::1 0.0% 5 2.3 2.4 2.3 2.4 0.0 [.nl] Netherlands, The 12871 Concepts ICT 3. 2001:7f8:1::a500:3257:1 0.0% 5 2.8 2.8 2.8 2.8 0.0 ams-ix-1.ip.tiscali.net. 4. 2001:668:0:2::1:272 0.0% 5 2.9 3.0 2.9 3.0 0.0 [.eu] Europe Tiscali International Network B.V. so-6-1-0.ams22.ip6.tiscali.net. 5. 2001:668:0:2::1:481 0.0% 5 6.1 6.4 6.1 6.8 0.3 [.eu] Europe Tiscali International Network B.V. so-6-1-0.dus11.ip6.tiscali.net. 6. 2001:668:0:2::1:2 0.0% 5 9.5 9.4 9.2 9.6 0.2 [.eu] Europe Tiscali International Network B.V. so-0-1-0.fra40.ip6.tiscali.net. 7. 2001:668:0:2::1:292 0.0% 5 17.2 18.8 17.2 24.8 3.4 [.eu] Europe Tiscali International Network B.V. so-0-0-0.prg11.ip6.tiscali.net. 8. 2001:7f8:14::1:1 0.0% 5 18.0 20.1 18.0 25.4 3.1 nix2-10ge.ipv6.cesnet.cz. 9. ??? 100.0 5 0.0 0.0 0.0 0.0 0.0 Can you post the output from traceroute6 from your Hardware Node / VE to 2001:838:1:1:210:dcff:fe20:7c7c (noc.sixxs.net) ? Bye, Thorsten -- Thorsten Schifferdecker [EMAIL PROTECTED] Am Do, 24.01.2008, 21:47, schrieb Jan Tomasek: > Hello Benoit, > >> Temporarily giving up messing with veth devices (forgot dhcpd server for >> now), I concentrated on setting up a basic VS with both IPv4 and IPv6 >> addresses, using standard venet device. >> >> [...] > >> Result: >> >> - IPv4 VS works as expected (ping succeeds from hardware node, external >> server in same subnet, external server on another subnet). >> >> - IPv6 VS doesn't work !!! (ping6 works *only* between VS and hardware >> node, not from external sources; VS has IPv6 address correctly defined, >> as per ifconfig). >> >> Am I missing something ? >> >> I suspected it may be useful to set sysctl >> net.ipv6.conf.<iface>.forwarding to 1, but : >> - this turns the box in "router" mode, disabling RA acceptance from >> default router (annoying) >> - this doesn't work either !! > > Very interesting! I'm having exactly same problem here. IPv6 was working > perfectly for me after some problems before several months. Now I had to > reboot my HW node and IPv6 is gone. > > When I try to ping VE from real world I'm getting: > >> [EMAIL PROTECTED]:~$ ping6 2001:718:1:e::23:3257 >> PING 2001:718:1:e::23:3257(2001:718:1:e::23:3257) 56 data bytes >> From 2001:718:1:101::1 icmp_seq=0 Destination unreachable: Address >> unreachable >> From 2001:718:1:101::1 icmp_seq=3 Destination unreachable: Address >> unreachable > > From HW node to VE or from one VE to another VE is IPv6 working fine. I > think that HW node didn't sent some info to it's IPv6 gateway about > presence of new IPv6 address. Sadly I'm clue less how to better debug > this. But! > > I've discovered trick. Run alternate version of this on your HW node: > >> ifconfig eth0 add 2001:718:1:e::23:3257/64 >> sleep 5 >> ping6 -I 2001:718:1:e::23:3257 -c 1 2001:718:1:e::1 >> ifconfig eth0 del 2001:718:1:e::23:3257/64 > > 2001:718:1:e::23:3257 - IPv6 address of VE > 2001:718:1:e::1 - gateway > > That will cause that router will learn about presence of VE. It lasts > for several hours. I discovered it at about 17 clock and now at 22 are > VE still IPv6 online... but I'm afraid that clearing IPv6 neighbours > table on router will kill this. Something is not working on HW node. > > > I'm running 2.6.18-028stab051 on Debian Etch. Output of sysctl -a |grep > net.ipv6 | sort >/tmp/chlivek.ipv6 is attached. Hope someone will point > out where problem is. Yesterday I've reboot my second HW node... > > -- > ----------------------- > Jan Tomasek aka Semik > http://www.tomasek.cz/ > _______________________________________________ > Users mailing list > Users@openvz.org > https://openvz.org/mailman/listinfo/users _______________________________________________ Users mailing list Users@openvz.org https://openvz.org/mailman/listinfo/users