[CentOS-mirror] mirror.corbina.net check fail

Ralph Angenendt ralph.angenendt at gmail.com
Fri Apr 8 05:17:38 EDT 2011


2011/4/7 Dmitry Rybin <kirgudu at kirgudu.org>:
> Hello! I have latest centos tree on mirror.corbina.net, but
> http://mirror-status.centos.org/ says:
>
> mirror age, daily stats 15.3 days
> last probe, probe stats 15.1 days
> last stat: no time

See the irc channel for more information (I have logs if you need
them, but you are still in there at the moment):

i cannot reach that machine from three different networks (DE, UK,
US). Especially our mirror checker cannot reach that machine.
tcptraceroute stops at

8m-iptv-bb-vl92.corbina.net

which is the machine right in front of that. When trying to telnet to
port 80 on that machine, I`m getting the following:

   1.
      10:54:10.872774 IP (tos 0x10, ttl  64, id 43711, offset 0, flags
[DF], proto: TCP (6), length: 60) fh-t155377.client.brnet.int.40763 >
earth.corbina.net.http: S, cksum 0x32d7 (correct),
67529975:67529975(0) win 5840 <mss 1460,sackOK,timestamp 3275167827
0,nop,wscale 7>
   2.
      10:54:22.053058 IP (tos 0x10, ttl  64, id 37811, offset 0, flags
[DF], proto: TCP (6), length: 60) fh-t155377.client.brnet.int.40764 >
earth.corbina.net.http: S, cksum 0x9b0c (correct),
90625970:90625970(0) win 5840 <mss 1460,sackOK,timestamp 3275179009
0,nop,wscale 7>
   3.
      10:54:25.052023 IP (tos 0x10, ttl  64, id 37812, offset 0, flags
[DF], proto: TCP (6), length: 60) fh-t155377.client.brnet.int.40764 >
earth.corbina.net.http: S, cksum 0x8f54 (correct),
90625970:90625970(0) win 5840 <mss 1460,sackOK,timestamp 3275182009
0,nop,wscale 7>
   4.
      10:54:31.051712 IP (tos 0x10, ttl  64, id 37813, offset 0, flags
[DF], proto: TCP (6), length: 60) fh-t155377.client.brnet.int.40764 >
earth.corbina.net.http: S, cksum 0x77e4 (correct),
90625970:90625970(0) win 5840 <mss 1460,sackOK,timestamp 3275188009
0,nop,wscale 7>
   5.
      10:54:43.049093 IP (tos 0x10, ttl  64, id 37814, offset 0, flags
[DF], proto: TCP (6), length: 60) fh-t155377.client.brnet.int.40764 >
earth.corbina.net.http: S, cksum 0x4904 (correct),
90625970:90625970(0) win 5840 <mss 1460,sackOK,timestamp 3275200009
0,nop,wscale 7>

So no answer from your side, whatsover. Are you doing some strange
ICMP rejection things somewhere in the path?

Ralph


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