[c-nsp] E1 packet loss

[Rens]

Side A: 2621XM 
Side B: 1721

-----Original Message-----
From: Murphy, Jay, DOH [mailto:Jay.Murphy at state.nm.us] 
Sent: lundi 14 juin 2010 21:49
To: Rens; Aaron; Martin Moens
Cc: cisco-nsp at puck.nether.net
Subject: RE: [c-nsp] E1 packet loss

Same model routers on both ends?

~Jay Murphy 
IP Network Specialist
NM State Government
 
IT Services Division
PSB – IP Network Management Center
Santa Fé, New México 87505 
"We move the information that moves your world." 
“Good engineering demands that we understand what we’re doing and why, keep an open mind, and learn from experience.”
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               Radia Perlman
 Please consider the environment before printing e-mail


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Rens
Sent: Monday, June 14, 2010 3:27 AM
To: 'Aaron'; 'Martin Moens'
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] E1 packet loss

When I set to line and crc4 same problem

 

  _____  

From: Aaron [mailto:dudepron at gmail.com] 
Sent: vendredi 11 juin 2010 20:53
To: Martin Moens
Cc: Rens; cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] E1 packet loss

 

+1
clock line
crc4

On Fri, Jun 11, 2010 at 08:41, Martin Moens <Moens at carrier2carrier.com>
wrote:

E1 errors are often caused by clocking issues - are you shure you should
provide clocking on the A-end?
Often clocking is provided by the network.
Tried to switch on crc4?

Martin



On Friday, 11 June, 2010 14:18 Rens <> wrote:

> Hi all,
>
> I have 2 routers that are connected via a 3rd party E1 circuit.
> When I ping between my routers I have packet loss.
> I have done a BER test on the E1 circuit which comes out clean.
> Already replaced both E1 cards and my cabling, but still having
> packet loss (between 30 & 10% depending on size)
>
> I have followed the E1 error events troubleshooting for the line code
> violations & path code violations but line code is configured
> correctly...
>
> What are the next steps that I can take?
> Below is my config + the show controller output
>
> Side A:
>
> controller E1 0/1
>  framing NO-CRC4
>  clock source internal
>  channel-group 0 timeslots 1-31
>
> interface Serial0/1:0
> ip address x.x.x.1 255.255.255.252
>
> show controllers E1 0/1
> E1 0/1 is up.
>   Applique type is Channelized E1 - balanced
>   No alarms detected.
>   alarm-trigger is not set
>   Version info Firmware: 20040108, FPGA: 11
>   Framing is NO-CRC4, Line Code is HDB3, Clock Source is Internal.
>   CRC Threshold is 320. Reported from firmware  is 0.
>   Data in current interval (24 seconds elapsed):
>      0 Line Code Violations, 0 Path Code Violations
>      0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins
>      0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0
> Unavail Secs
>
> Side B:
>
> controller E1 0
>  framing NO-CRC4
>  channel-group 0 timeslots 1-31
>
> interface Serial0:0
> ip address x.x.x.2 255.255.255.252
>
> sh controllers E1 0
> E1 0 is up.
>   Applique type is Channelized E1 - balanced
>   No alarms detected.
>   alarm-trigger is not set
>   Version info Firmware: 20040928, FPGA: 11, spm_count = 0
>   Framing is NO-CRC4, Line Code is HDB3, Clock Source is Line.
>   CRC Threshold is 320. Reported from firmware  is 320.
>   Data in current interval (20 seconds elapsed):
>      2689 Line Code Violations, 53 Path Code Violations
>      0 Slip Secs, 0 Fr Loss Secs, 20 Line Err Secs, 0 Degraded Mins
>      0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 20
> Unavail Secs
>
> Regards,
>
> Rens
>
>
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