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 > > > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/