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Re: Yesterday's latencies
- Subject: Re: Yesterday's latencies
- Date: Tue, 25 Sep 2001 20:50:31 -0600
Harry Edmon wrote:
>
> It is happening again:
>
> 3 sunny% /usr/sbin/traceroute motherlode.ucar.edu
> traceroute to motherlode.ucar.edu (128.117.13.119): 1-30 hops, 38 byte packets
> 1 dustbuster-V3.cac.washington.edu (128.95.89.100) 0.976 ms 0.976
> ms 0.977 ms
> 2 uwbr2-GE3-0.cac.washington.edu (140.142.153.24) 0.976 ms 0.0 ms
> 0.977 ms
> 3 hnsp1-wes-ge-0-0-0-0.pnw-gigapop.net (198.107.150.11) 0.976 ms
> (ttl=252!) 0.0 ms (ttl=252!) 0.977 ms (ttl=252!)
> 4 198.48.91.78 (198.48.91.78) 0.976 ms 0.976 ms 0.977 ms
> 5 dnvr-sttl.abilene.ucaid.edu (198.32.8.50) 35.1 ms 29.2 ms 28.3 ms
> 6 ncar-abilene.ucar.edu (128.117.243.125) 462 ms 419 ms 447 ms
> 7 vbnsr-n243-104.ucar.edu (128.117.243.105) 406 ms 465 ms 407 ms
> 8 mlrb-n2.ucar.edu (128.117.2.254) 417 ms 410 ms 363 ms
> 9 motherlode.ucar.edu (128.117.13.119) 392 ms 383 ms 383 ms
>
> When I checked earlier today, the roundtrip time was uner 50 ms,
> instead of the current 400 ms. There is definitely something wrong at
> the NCAR - Abilene interface.
> >
Hi again Harry, Daryl, and Art,
Harry and Daryl, thanks for the notification. I just had a long
conversation with one of our network engineers. The problem may simply
be congestion. I need to contact them when it's happening. I will try
to keep an eye on things, but I would appreciate it if, again, you would
contact me when you see it.
Thanks!
Anne
--
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Anne Wilson UCAR Unidata Program
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Boulder, CO 80307
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