Ticket ID: SIXXS #879067 Ticket Status: Resolved PoP:
No possible route through PoP chzrh01
Shadow Hawkins on Monday, 15 December 2008 11:15:34
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Hi,
I reasonably think that IPv6 routing through chzrh01 is somehow broken.
Withouth changing anything on my side (I was not onlineâ¦), IPv6 connectivity to known IPv6 hosts (ipv6.google.com and www.kame.net) dropped on Sunday 14. December around 13:45 (see [0]).
didier@Snoopy:~$ sudo /etc/init.d/aiccu stop
Stopping SixXS Automatic IPv6 Connectivity Client Utility (aiccu)....
didier@Snoopy:~$ ping -c 1 google.com
PING google.com (209.85.171.100) 56(84) bytes of data.
64 bytes from cg-in-f100.google.com (209.85.171.100): icmp_seq=1 ttl=237 time=192 ms
- --- google.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 192.177/192.177/192.177/0.000 ms
didier@Snoopy:~$ route -6
Table de routage IPv6 du noyau
Destination Next Hop Flag Met Ref Use If
2001:41e0:ff60::/48 :: U 256 0 0 eth0
fe80::/64 :: U 256 0 0 peth0
fe80::/64 :: U 256 0 0 eth0
fe80::/64 :: U 256 0 0 vif3.0
fe80::/64 :: U 256 0 0 vif4.0
::/0 :: !n -1 1580422 lo
::1/128 :: Un 0 1 11284 lo
2001:41e0:ff60::/128 :: Un 0 1 0 lo
2001:41e0:ff60:1802::1/128 :: Un 0 1 10287 lo
fe80::/128 :: Un 0 1 0 lo
fe80::/128 :: Un 0 1 0 lo
fe80::/128 :: Un 0 1 0 lo
fe80::/128 :: Un 0 1 0 lo
fe80::21c:c0ff:fe8c:9811/128 :: Un 0 1 0 lo
fe80::21c:c0ff:fe8c:9811/128 :: Un 0 1 30575 lo
fe80::fcff:ffff:feff:ffff/128 :: Un 0 1 0 lo
fe80::fcff:ffff:feff:ffff/128 :: Un 0 1 0 lo
ff00::/8 :: U 256 0 0 peth0
ff00::/8 :: U 256 0 0 eth0
ff00::/8 :: U 256 0 0 vif3.0
ff00::/8 :: U 256 0 0 vif4.0
::/0 :: !n -1 1580422 lo
didier@Snoopy:~$ sudo /etc/init.d/aiccu start
Starting SixXS Automatic IPv6 Connectivity Client Utility (aiccu)....
didier@Snoopy:~$ ping6 -c 1 2001:41e0:ff00:b9::1
PING 2001:41e0:ff00:b9::1(2001:41e0:ff00:b9::1) 56 data bytes
64 bytes from 2001:41e0:ff00:b9::1: icmp_seq=1 ttl=64 time=33.3 ms
- --- 2001:41e0:ff00:b9::1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 33.329/33.329/33.329/0.000 ms
didier@Snoopy:~$ route -6
Table de routage IPv6 du noyau
Destination Next Hop Flag Met Ref Use If
2001:41e0:ff00:b9::/64 :: U 256 0 1 sixxs
2001:41e0:ff60::/48 :: U 256 0 0 eth0
fe80::/64 :: U 256 0 0 peth0
fe80::/64 :: U 256 0 0 eth0
fe80::/64 :: U 256 0 0 vif3.0
fe80::/64 :: U 256 0 0 vif4.0
fe80::/64 :: U 256 0 0 sixxs
::/0 2001:41e0:ff00:b9::1 UG 1024 0 5 sixxs
::/0 :: !n -1 1580432 lo
::1/128 :: Un 0 1 11288 lo
2001:41e0:ff00:b9::/128 :: Un 0 1 0 lo
2001:41e0:ff00:b9::2/128 :: Un 0 1 2 lo
2001:41e0:ff60::/128 :: Un 0 1 0 lo
2001:41e0:ff60:1802::1/128 :: Un 0 1 10288 lo
fe80::/128 :: Un 0 1 0 lo
fe80::/128 :: Un 0 1 0 lo
fe80::/128 :: Un 0 1 0 lo
fe80::/128 :: Un 0 1 0 lo
fe80::/128 :: Un 0 1 0 lo
fe80::21c:c0ff:fe8c:9811/128 :: Un 0 1 0 lo
fe80::21c:c0ff:fe8c:9811/128 :: Un 0 1 30576 lo
fe80::40e0:ff00:b9:2/128 :: Un 0 1 0 lo
fe80::fcff:ffff:feff:ffff/128 :: Un 0 1 0 lo
fe80::fcff:ffff:feff:ffff/128 :: Un 0 1 0 lo
ff00::/8 :: U 256 0 0 peth0
ff00::/8 :: U 256 0 0 eth0
ff00::/8 :: U 256 0 0 vif3.0
ff00::/8 :: U 256 0 0 vif4.0
ff00::/8 :: U 256 0 0 sixxs
::/0 :: !n -1 1580432 lo
didier@Snoopy:~$ ping6 -c 1 ipv6.google.com
PING ipv6.google.com(2001:4860:0:1001::68) 56 data bytes
- --- ipv6.google.com ping statistics ---
1 packets transmitted, 0 received, 100% packet loss, time 0ms
didier@Snoopy:~$ traceroute6 www.sixxs.net
traceroute to www.sixxs.net (2001:838:1:1:210:dcff:fe20:7c7c), 30 hops max, 40 byte packets
1 gw-186.zrh-01.ch.sixxs.net (2001:41e0:ff00:b9::1) 33.442 ms 33.453 ms 33.429 ms
2 * * *
3 * * *
4 * * *
5 * * *
6 * * *
7 * * *
8 * * *
9 * * *
10 * * *
11 * * *
12 * * *
13 * * *
14 * * *
15 * * *
16 * * *
17 * * *
18 * * *
19 * * *
20 * * *
21 * * *
22 * * *
23 * * *
24 * * *
25 * * *
26 * * *
27 * * *
28 * * *
29 * * *
30 * * *
To my knowledge's limit, this is all the needed information. Please ask if needed!
Best regards,
Didier Raboud
[0] http://munin.raboud.homelinux.org/Snoopy/Snoopy-multiping6.html
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No possible route through PoP chzrh01
Jeroen Massar on Monday, 15 December 2008 11:27:56 2001:41e0:ff60::/48 :: U 256 0 0 eth0
That are a large amount of hosts (2^(128-48=80)) you got on that single Ethernet link there (which only has 2^48 possibilities for MAC addresses mind you...)
That should be a /64. The /48 you should route to lo.
For the rest, nobody can't guarantee that a remote destination is actually reachable...
The PoP can be reached it seems, and that is all we can fix.
State change: resolved
Jeroen Massar on Tuesday, 16 December 2008 12:08:54
The state of this ticket has been changed to resolved
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