[84121] in North American Network Operators' Group
Re: level3.net in Chicago - high packet loss?!?
daemon@ATHENA.MIT.EDU (Steven M. Bellovin)
Tue Sep 6 10:37:57 2005
From: "Steven M. Bellovin" <smb@cs.columbia.edu>
To: Network Fortius <netfortius@gmail.com>
Cc: nanog@merit.edu
In-Reply-To: Your message of "Tue, 06 Sep 2005 09:25:28 CDT."
<38D1AE7F-52FA-4BCF-A32F-CF40FA958DC6@gmail.com>
Date: Tue, 06 Sep 2005 10:36:45 -0400
Errors-To: owner-nanog@merit.edu
In message <38D1AE7F-52FA-4BCF-A32F-CF40FA958DC6@gmail.com>, Network Fortius wr
ites:
>
>And how exactly would you interpret the number returned by net_loss
>(int), in a column called "LOSS", in reference to reachability of a
>"hop" between two end points:
>
The hop not sending out the ICMP message for those packets, either
because its CPU is overloaded or because of a configuration option to
rate-limit them.
--Steven M. Bellovin, http://www.cs.columbia.edu/~smb