[CentOS-mirror] Unreachable IPv6 backbone mirror
Sascha Spreitzer
sspreitz at redhat.com
Thu Jun 2 08:23:41 UTC 2016
Hi
From my end (Zurich, CH) of the internet can not reach one of the IPv6
backbone mirrors.
[..]
[root at mirror ~]# /usr/bin/rsync -6avzH --delete msync.centos.org::CentOS
/var/www/html/centos
rsync: failed to connect to msync.centos.org
(2001:1af8:4060:a006:223:7dff:feaa:426f): Connection timed out (110)
rsync error: error in socket IO (code 10) at clientserver.c(122)
[Receiver=3.0.9]
[..]
[..]
[root at mirror ~]# mtr -nr 2001:1af8:4060:a006:223:7dff:feaa:426f
Start: Thu Jun 2 08:20:11 2016
HOST: mirror Loss% Snt Last Avg Best Wrst StDev
1.|-- 2a02:168:7a0e:5::1 0.0% 10 0.2 0.2 0.1 0.2 0.0
2.|-- 2a02:168:2000:1d::1 0.0% 10 0.5 0.6 0.5 0.9 0.0
3.|-- 2001:1620:2::1cd 0.0% 10 0.5 1.7 0.5 12.0 3.5
4.|-- 2001:1620:2::1ad 0.0% 10 0.8 0.7 0.6 1.0 0.0
5.|-- 2001:1620:2::196 0.0% 10 0.7 1.8 0.7 8.0 2.2
6.|-- 2001:1620:2::159 0.0% 10 0.5 2.0 0.5 7.4 2.4
7.|-- 2001:1620:2::c5 0.0% 10 6.1 7.5 0.5 23.1 7.1
8.|-- 2001:1620:2::2b6 0.0% 10 6.0 6.0 5.8 7.6 0.5
9.|-- 2001:1620:2::dd 0.0% 10 16.4 16.5 16.4 17.0 0.0
10.|-- 2001:1620:1000::15e 0.0% 10 19.6 19.9 17.9 21.3 0.9
11.|-- 2a03:2280:38::23 0.0% 10 17.4 17.6 17.4 17.8 0.0
12.|-- 2001:1af8:4060:0:81:17:32 0.0% 10 102.3 45.6 17.2 214.8 65.1
13.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
[..]
PS.: If in the case that endpoint is firewalled, please mind that ICMPv6
is a vital part of the IPv6 protocol and shall not be dropped but rather
be answered accordingly (rejected, prohibited, etc..)
This is part of the IPv6 RFC.
Kind regards
Sascha
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