Latency question

Brandon Kim brandon.kim at brandontek.com
Thu Mar 18 16:30:55 UTC 2010


Isn't it amazing that one can be so cheap it ends up biting them in the arse?

There's a difference between frugal and cheap. Being cheap comes back to you,
it's like Karma....




> Date: Thu, 18 Mar 2010 11:11:09 -0500
> From: LarrySheldon at cox.net
> To: nanog at nanog.org
> Subject: Re: Latency question
> 
> On 3/18/2010 11:00, Brandon Kim wrote:
> > 
> > That was pretty quick.
> > 
> > 
> > But what do you mean by spewing stuff? It would help the rest of us
> > understand for possible future issues we may run into ourselves.....
> 
> Good question.  Without thinking about it I saw in my mind's eye a
> situation we used to see at $EX-EMPLOYER (who was fond of the absolute
> smallest-dollar-amount-per-immediate-problem "solutions") who bout toy
> 4-port hubs by the pallet-load.
> 
> These little gems had the endearing habit of spewing random bits onto
> the wire whenever the wall-wart failed--which they frequently did.
> 
> I had MRTG graphs of every switch and router port  so I could quickly
> determine which leg the current culprit was on.
> 
> Never solved the problem of having two or three go bad, which, believe
> it or not, complicates the issue.
> 
> But the graphs did allow me to identify the port and shut it down saving
> the rest of the network.
> > 
> > 
> > 
> > 
> >> Subject: Re: Latency quesstion From: dennis-lists at thenose.net Date:
> >> Thu, 18 Mar 2010 10:50:20 -0500 To: nanog at nanog.org
> >> 
> >> Found a MAC address spewing stuff. looks like we have our culprit.
> >> thanks EVERYONE!
> >> 
> >> -Dennis
> >> 
> >> On Mar 18, 2010, at 9:56 AM, Dennis Dayman 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
> >>> 
> >>> 
> >>> 
> >>> 
> >>> 
> >> 
> >> 
> >> 
> > 
> 
> 
> -- 
> Democracy: Three wolves and a sheep voting on the dinner menu.
> (A republic, using parliamentary law, protects the minority.)
> 
> Requiescas in pace o email
> Ex turpi causa non oritur actio
> Eppure si rinfresca
> 
> ICBM Targeting Information:  http://tinyurl.com/4sqczs
> http://tinyurl.com/7tp8ml
> 
> 	
> 
 		 	   		  


More information about the NANOG mailing list