Date: Thu, 19 Apr 2001 23:48:13 +0200 From: Jesper Skriver <jesper@FreeBSD.org> To: noc@lightning.net Cc: dg@FreeBSD.org, hubs@FreeBSD.org Subject: Packet loss between fa0-0.br1.nycmny.us and a1-0-1.cr2.nycmny1.us towards ftp.freesoftware.com Message-ID: <20010419234813.A61420@skriver.dk>
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Hi,
I see massive packet loss towards ftp.freesoftware.com from hosts in
AS3292 (this test was performed from 195.249.6.93, a interface on
ftp.dk.FreeBSD.org), it seems that it appear in your network between
12 fa0-0.br1.nycmny.us.lightning.net (209.244.186.10) 94.871 ms 95.351 ms 94.692 ms
and
13 a1-0-1.cr2.nycmny1.us.lightning.net (216.66.3.2) 129.998 ms 134.664 ms *
Do the return path to 195.249.6.93 change between these ? or is there a
congestion problem between these hops ?
Traceroute and ping's below.
PS: This severy affect the ability to mirror ftp.FreeBSD.org on
ftp.dk.FreeBSD.org, do other of you mirror admin's have the
same problem ?
/Jesper
--
Jesper Skriver, jesper(at)skriver(dot)dk - CCIE #5456
Work: Network manager @ AS3292 (Tele Danmark DataNetworks)
Private: FreeBSD committer @ AS2109 (A much smaller network ;-)
One Unix to rule them all, One Resolver to find them,
One IP to bring them all and in the zone to bind them.
jesper@boulder% traceroute ftp.freebsd.org
traceroute to ftp.freesoftware.com (216.66.64.162), 30 hops max, 40 byte packets
1 fe8-1-0-6.100M.sltnxt2.ip.tele.dk (195.249.6.90) 0.497 ms 0.379 ms 0.403 ms
2 pos0-3.155M.arcnxg2.ip.tele.dk (195.249.12.245) 0.528 ms 0.476 ms 0.446 ms
3 pos6-0.2488M.arcnxg1.ip.tele.dk (195.249.6.101) 0.650 ms 0.546 ms 0.570 ms
4 pos7-0.2488M.albnxg1.ip.tele.dk (195.249.6.125) 2.656 ms 2.503 ms 2.531 ms
5 pos2-1.155M.linxnxg1.ip.tele.dk (195.249.2.170) 21.336 ms 21.197 ms 22.143 ms
6 GigabitEthernet5-0.linx1.lon1.level3.net (195.66.224.77) 21.475 ms 21.874 ms 21.403 ms
7 so-4-2-0-0.mp1.lon1.level3.net (212.113.0.114) 22.134 ms 21.894 ms 21.727 ms
8 so-3-0-0-0.mp1.lon2.level3.net (212.187.128.46) 21.987 ms 21.867 ms 22.178 ms
9 212.187.128.162 (212.187.128.162) 97.400 ms 94.093 ms 99.840 ms
10 pos8-0.core1.NewYork1.level3.net (209.247.10.34) 96.162 ms 93.884 ms 102.018 ms
11 gigaethernet6-0.ipcolo1.NewYork1.Level3.net (209.244.12.42) 96.653 ms 94.800 ms 95.425 ms
12 fa0-0.br1.nycmny.us.lightning.net (209.244.186.10) 94.871 ms 95.351 ms 94.692 ms
13 a1-0-1.cr2.nycmny1.us.lightning.net (216.66.3.2) 129.998 ms 134.664 ms *
14 s7-1.br1.nycmny1.us.lightning.net (216.66.3.29) 142.591 ms 121.387 ms 114.920 ms
15 ftp.freesoftware.com (216.66.64.162) 129.444 ms^C
jesper@boulder% ping -c 100 209.244.186.10
PING 209.244.186.10 (209.244.186.10): 56 data bytes
--- 209.244.186.10 ping statistics ---
100 packets transmitted, 100 packets received, 0% packet loss
round-trip min/avg/max/stddev = 93.324/103.648/196.783/13.205 ms
jesper@boulder% ping -c 100 216.66.3.2
PING 216.66.3.2 (216.66.3.2): 56 data bytes
--- 216.66.3.2 ping statistics ---
100 packets transmitted, 85 packets received, 15% packet loss
round-trip min/avg/max/stddev = 100.401/141.587/434.243/56.072 ms
jesper@boulder% ping -c 100 ftp.freebsd.org
PING ftp.freesoftware.com (216.66.64.162): 56 data bytes
--- ftp.freesoftware.com ping statistics ---
100 packets transmitted, 75 packets received, 25% packet loss
round-trip min/avg/max/stddev = 100.376/138.354/168.176/14.340 ms
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