[123933] in North American Network Operators' Group
Re: Latency quesstion
daemon@ATHENA.MIT.EDU (Jason Biel)
Thu Mar 18 11:14:04 2010
In-Reply-To: <3aa62fb01003180806y70927929pce25d65dd3b75d47@mail.gmail.com>
Date: Thu, 18 Mar 2010 10:13:21 -0500
From: Jason Biel <jason@biel-tech.com>
To: Edgar Valdes <edgargvaldes@gmail.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Check CPU levels on each switch, pull traffic logs of trunk ports, check
syslogs for flapping ports or weird errors.
I'd guess someone plugged something underneath their desk they shouldn't
have.
Jason
On Thu, Mar 18, 2010 at 10:06 AM, Edgar Valdes <edgargvaldes@gmail.com>wrote:
> Simplest would be to do a trace route from different sources or loop back
> interfaces to the servers/computers in question and see where latency
> starts spiking. this will at the very least point you to what device or
> devices are possibly over utilized.
>
> On Thu, Mar 18, 2010 at 7:56 AM, Dennis Dayman <dennis-lists@thenose.net
> >wrote:
>
> > have a friend who has 21 floors of a building in DFW, multiple switches,
> > etc and they started to have latency issues this weekend where half if
> not
> > all packet are being dropped to folder shares, printers, etc. Suggestions
> on
> > how they can troubleshoot that? call in a company to help identify it?
> >
> > -Dennis
> >
> >
> >
> >
> >
>
--
Jason Biel
