[c-nsp] non-existing input errors on 6500/SXI...?
Gert Doering
gert at greenie.muc.de
Fri Oct 21 12:01:02 EDT 2011
Hi,
I have a one port on a 7603/sup32/SXI that is showing me "input errors"
but refuses to tell what *sort* of errors...
GigabitEthernet1/9 is up, line protocol is up (connected)
...
Input queue: 0/2000/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 8818000 bits/sec, 2562 packets/sec
5 minute output rate 24086000 bits/sec, 3252 packets/sec
49922820560 packets input, 18467489252395 bytes, 0 no buffer
Received 189510308 broadcasts (86256414 multicasts)
0 runts, 0 giants, 0 throttles
1815587 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 0 multicast, 0 pause input
0 input packets with dribble condition detected
65761578040 packets output, 73084507578266 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 PAUSE output
0 output buffer failures, 0 output buffers swapped out
Cisco-M>sh int g1/9 count err
Port Align-Err FCS-Err Xmit-Err Rcv-Err UnderSize OutDiscards
Gi1/9 0 0 0 1815644 0 0
Port Single-Col Multi-Col Late-Col Excess-Col Carri-Sen Runts Giants
Gi1/9 0 0 0 0 0 0 0
Port SQETest-Err Deferred-Tx IntMacTx-Err IntMacRx-Err Symbol-Err
Gi1/9 0 0 0 0 0
so, right, it's "Rcv-Err", but what sort of errors? Nothing in any of
the other columns, and operationally, the link is behaving perfectly normal,
so I'm not overly worried - just annoyed by our NMS flagging the link as
"hey, errors, check!" all the time...
This is a Sup32, onboard GE, SXI3. The interface goes to a 2960G, about
2m of cat6 cable, nothing particularily exciting.
interface GigabitEthernet1/9
description SW: sp1/xxx:g0/14 (sp1)
switchport
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 2-999
switchport mode trunk
storm-control broadcast level 1.00
and the other end is symmetric:
interface GigabitEthernet0/14
description SW: sp1/xxx:gi1/9 (sp1)
switchport trunk allowed vlan 2-21,23-999
switchport mode trunk
storm-control broadcast level pps 1k 100
storm-control multicast level pps 1k 100
storm-control action trap
end
... so how to figure out where these errors are coming from?
(No smartnet on this particular box, so I can't go ask TAC)
gert
--
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Gert Doering - Munich, Germany gert at greenie.muc.de
fax: +49-89-35655025 gert at net.informatik.tu-muenchen.de
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