This might help
http://www.cisco.com/warp/public/121/crc_tshooting.html
Keith
----- Original Message -----
From: "[EMAIL PROTECTED] (Katson Yeung)"
To:
Sent: Friday, April 27, 2001 8:53 AM
Subject: ATM interface troubleshooting question. [7:2249]
> Dear all,
>
> My old 7507 is having a minor problem.... it is 12.0.16GD, RSP2 with
> 64M ram and the ATM card is an AIP. I have only one VC associate with
> this ATM port.
>
> I found quite a number of input errors (CRC and Frames)... how can I
> know the source of that problem?? Is it the cell level, or the frame
> level problem?
>
>
> See below show interface output:
>
>
> ATM0/0 is up, line protocol is up
> Hardware is cxBus ATM
> MTU 4470 bytes, sub MTU 4470, BW 155520 Kbit, DLY 80 usec, rely
> 255/255, load 8/255
> Encapsulation ATM, loopback not set, keepalive not supported
> Encapsulation(s): AAL5, PVC mode
> 256 TX buffers, 256 RX buffers,
> 2048 maximum active VCs, 1024 VCs per VP, 1 current VCCs
> VC idle disconnect time: 300 seconds
> Last input 00:00:00, output 00:00:00, output hang never
> Last clearing of "show interface" counters 3d10h
> Queueing strategy: fifo
> Output queue 0/40, 0 drops; input queue 1/75, 40 drops
> 5 minute input rate 34782000 bits/sec, 4564 packets/sec
> 5 minute output rate 5307000 bits/sec, 3372 packets/sec
> 1174284787 packets input, 1013959162 bytes, 0 no buffer
> Received 0 broadcasts, 0 runts, 0 giants, 11 throttles
> 13076769 input errors, 13054514 CRC, 22255 frame, 0 overrun, 0
> ignored, 0 abort
> 893230791 packets output, 346650156 bytes, 0 underruns
> 0 output errors, 0 collisions, 0 interface resets
> 0 output buffer failures, 0 output buffers swapped out
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