Hi;
You should use show controller token to determine how many Soft Errors and
types of soft error
Soft errors: 2 Types: Isolating and Non-isolating soft error.
Isolating soft error: the NAUN in the soft error report frame is irrelevant.
Types: Line error (CRC error, illegal bit find in Token or frame), Internal
error, Burst Error, ARI/FCI error
Non-isolating soft error: Cannot be isolated to a station and the stations
NAUN or the cabling between them.
Types: Lost frame, copy error, receive congested, token error, frequency
error.
The cyclic redundancy checksum generated by the originating LAN station or
far-end device does not match the checksum calculated from the data
received. On a LAN, this usually indicates noise or transmission problems on
the LAN interface or the LAN bus itself. A high number of CRCs is usually
the result of a station transmitting bad data.
HTH
Vincent Chong
""Andrew Larkins"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> What causes a CRC error on the token ring port and what is a soft
error....
>
>
> JOHANNESBURG#sho int to 0/0
> TokenRing0/0 is up, line protocol is up
> Hardware is IBM2692, address is 0007.7829.1b43 (bia 0007.7829.1b43)
> Internet address is x.x.x.x
> MTU 8136 bytes, BW 16000 Kbit, DLY 630 usec,
> reliability 255/255, txload 3/255, rxload 1/255
> Encapsulation SNAP, loopback not set
> Keepalive set (10 sec)
> ARP type: SNAP, ARP Timeout 04:00:00
> Ring speed: 16 Mbps
> Duplex: half
> Mode: Classic token ring station
> Source bridging enabled, srn 1025 bn 1 trn 1997 (ring group)
> spanning explorer enabled
> Group Address: 0x00000000, Functional Address: 0x0880001A
> Ethernet Transit OUI: 0x000000
> Last Ring Status 00:00:08 (0x2000)
> Last input 00:00:00, output 00:00:00, output hang never
> Last clearing of "show interface" counters 00:04:36
> Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
> Queueing strategy: fifo
> Output queue :0/40 (size/max)
> 5 minute input rate 63000 bits/sec, 53 packets/sec
> 5 minute output rate 193000 bits/sec, 49 packets/sec
> 15161 packets input, 2224430 bytes, 0 no buffer
> Received 1304 broadcasts, 0 runts, 0 giants, 0 throttles
> 60 input errors, 60 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
> 15150 packets output, 8156480 bytes, 0 underruns
> 0 output errors, 0 collisions, 0 interface resets
> 0 output buffer failures, 0 output buffers swapped out
> 0 transitions
>
>
> Thanks
>
> Andrew
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