[c-nsp] Frame Circuit Not Cooperating

Jerry Kersey jrk at ebsco.com
Wed Sep 14 15:11:55 EDT 2005


Is Bell checking the correct circuit??  I have seen them test the wrong
circuit many times..  What kind of CSU are yu using???

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net]On Behalf Of Larry Smith
Sent: Wednesday, September 14, 2005 2:04 PM
To: Chad Whitten; cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Frame Circuit Not Cooperating


On Wednesday 14 September 2005 13:39, Chad Whitten wrote:
> Ive got a 256k frame circuit thats loosing packets and is virtually
> unusable and Ive exhausted all other avenues of support.  Bellsouth is
less
> than helpful and this circuit is configured identical to 4 others which
all
> work fine.  The line supposedly tests clean and ive replaced the router
> three times with no change in symptoms or results.
>
> my config is as follows
> interface Serial0/0
>  ip address 192.168.8.2 255.255.255.0
>  encapsulation frame-relay
>  service-module t1 timeslots 1-4
>  frame-relay map ip 192.168.8.1 500 broadcast CISCO
>  frame-relay interface-dlci 500
>  frame-relay lmi-type ansi
>
> ive checked clocking - its set to line
> ive checked line code - its set to b8zs
> ive checked framing - its set to esf
> all of which are the same for my other circuits and what Bell BNIS says
are
> correct
>
> the router is a 2610xm, and ive also use a 1720 & 1750, all with different
> wic cards and same results
>
> ive disabled all access lists and have nothing plugged into the ethernet
> port except a switch which has nothing in it.
>
> Bell does see errors coming from the csu and therefore tells me its my
> equipment or configuration.

Chad,

  What is the "other" end of this circuit, yours, Bell, or what?  I have on 
more than one occassion (not just Bell either) had the test center tell me 
they were seeing "errors" or whatever from my end of a circuit when I had
the 
plug in my hand (and nowhere near the router in question).   Point being 
sometimes they get their "ends" mixed up.

My first response now is to plug in a X-Jack (loopback connector) and have 
them verify what they see.  Dont tell them you are looping just ask what
they 
see.  If they do not see a loop, then ask them to look at the other end of 
the circuit.  I have four specific circuits up right now that if we call in
a 
ticket, the tech will always be dispachted to the wrong end unless they call

us first (both we and the techs know this now and the tech actually calls us

himself).

Other than that, as has been mentioned, check any wiring, punch downs, etc. 

-- 
Larry Smith
SysAd ECSIS.NET
sysad at ecsis.net


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