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New Member

ATM interface issues

Hi Guyz,

I am having a very strange issue with my 887 Branch router type at different locations that suddenly loose connection on the WAN ATM0 interface.

A router reboot does not solve help bring up the interface but when the ATM0 cable connection is unplugged and plugged in again, it works.

Does anyone have a hit as to what this could be? I am experiencing it more and more often.

see below for the device details.





ATM0 is up, line protocol is up

  Hardware is MPC ATMSAR (with Alcatel ADSL Module), address is 1cdf.0f07.ff10 (bia 1cdf.0f07.ff10)

  MTU 4470 bytes, sub MTU 4470, BW 512 Kbit/sec, DLY 720 usec,

     reliability 255/255, txload 1/255, rxload 1/255

  Encapsulation ATM, loopback not set

  Keepalive not supported

  Encapsulation(s): AAL5

  20 maximum active VCs, 1024 VCs per VP, 1 current VCCs

  VC Auto Creation Disabled.

  VC idle disconnect time: 300 seconds

  Last input 00:00:00, output 00:00:00, output hang never

  Last clearing of "show interface" counters never

  Input queue: 0/224/0/0 (size/max/drops/flushes); Total output drops: 0

  Queueing strategy: Per VC Queueing

  30 second input rate 3000 bits/sec, 4 packets/sec

  30 second output rate 4000 bits/sec, 3 packets/sec

     32175 packets input, 10623248 bytes, 0 no buffer

     Received 0 broadcasts, 0 runts, 0 giants, 0 throttles

     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

     35056 packets output, 9231789 bytes, 0 underruns

     0 output errors, 0 collisions, 0 interface resets

     0 unknown protocol drops

     0 output buffer failures, 0 output buffers swapped out

thanks in advance.

Everyone's tags (1)

Accepted Solutions
Hall of Fame Super Gold

ATM interface issues

Update IOS or DSL firmware.

Hall of Fame Super Gold

ATM interface issues

Update IOS or DSL firmware.

New Member

ATM interface issues

Well, what puzzles me is why this is happening all over a sudden on different devices.

I thought more of a configuration change on the provider ATM cloud that i am also trying to investigate at the moment.


will keep u posted.