[25278] in North American Network Operators' Group
Re: pathchar
daemon@ATHENA.MIT.EDU (Phillip Vandry)
Mon Oct 4 13:18:53 1999
Date: Mon, 4 Oct 1999 12:45:17 -0400 (EDT)
From: Phillip Vandry <vandry@Mlink.NET>
Message-Id: <199910041645.MAA03243@Iodine.Mlink.NET>
To: Randy Bush <randy@psg.com>
Cc: nanog@merit.edu
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In-reply-to: Your message of "Mon, 04 Oct 1999 08:16:53 EDT."
<E11Y9rB-0002IY-00@roam.psg.com>
Errors-To: owner-nanog-outgoing@merit.edu
> # pathchar <bleep>
> mtu limited to 1500 bytes at local host
> doing 32 probes at each of 45 sizes (64 to 1500 by 32)
> 0 130.128.46.113 (130.128.46.113)
> | 4.5 Mb/s, 896 us (4.45 ms)
> 1 130.128.44.1 (130.128.44.1)
> | 33 Mb/s, -148 us (4.52 ms), 2% dropped
> 2 nanog-gw.Montreal.Mlink.NET (209.41.155.209)
> | 1.1 Mb/s, 1.08 ms (17.3 ms), 2% dropped
pathchar must be measuring delays, it correctly detected the speed of
this link at 1.1Mbps but did not detect that there are 4 of them in
parallel!
-Phil
