nanog mailing list archives

Re: level3.net in Chicago - high packet loss?!?


From: Robert E.Seastrom <rs () seastrom com>
Date: Tue, 06 Sep 2005 08:45:45 -0400



Network Fortius <netfortius () gmail com> writes:

Anybody having any idea why such a high packet loss on lever3's
network, in Chicago?

End-user misinterpreting output from MTR.  This network does not
appear to have any packet loss end-to-end.

                                        ---Rob


Stef:~ scm$ mtr -r www.yahoo.com
...
tbr1-p010802.cgcil.ip.att.net             0%    16   16   15.12
24.21   49.26
ggr2-p310.cgcil.ip.att.net                0%    16   16   13.18
42.66  118.99
so-1-1-0.edge1.chicago1.level3.net        0%    16   16   14.48
35.84  126.48
so-2-1-0.bbr1.chicago1.level3.net        63%     6   16   14.44
43.74   79.97
                                                                   ^^^^^^^
as-1-0.bbr2.sanjose1.level3.net           0%    16   16   61.95
80.64  176.01
ge-10-2.ipcolo3.sanjose1.level3.net       0%    16   16   63.37
95.61  148.46
unknown.level3.net                        0%    16   16   63.34
86.46  168.62
unknown-66-218-82-217.yahoo.com           0%    16   16   62.09
88.91  127.58
p4.www.scd.yahoo.com                      0%    16   16   64.51
89.96  183.79

TIA,
Stef
Network Fortius, LLC


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