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Re: fast ethernet limits

  • From: Joel Jaeggli
  • Date: Fri Jan 10 16:18:23 2003

you need to put a fluke lanmeter or similar device (with tdr) to validate 
the cable... you may just need to reterminate the ends, but it's also 
likely that it's simply way out of spec.

joelja

On Fri, 10 Jan 2003, Steve Rude wrote:

> 
> Hi NANOG,
> 
> Could someone please help me with a fast ethernet problem I am having.  We 
> have a POP in a 27 floor building, and have a rj45 run from the the bottom 
> of the building (in the telco room) to the top of the building.  We have 
> cisco switches on either end and we are seeing about 5-20% packet loss on 
> the trunk.  
> 
> Are we running into a distance limitation of fast ethernet, or are we suffering 
> from another problem?  I read that 328 feet is the limitation of fast 
> ethernet. Is there anything short of getting a repeater for the cable run 
> that I can do to boost the signal?
> 
> TIA for your help.
> 
> Ciao.
> 
> Steve Rude
> 

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Joel Jaeggli	      Academic User Services   joelja@darkwing.uoregon.edu    
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