[c-nsp] Catalyst 6500 switchport input drops

[Liviu Pislaru]

hello,

this document might help you:
http://www.cisco.com/warp/public/63/queue_drops.html#topic2

--
liviu.

----- Original Message ----- 
From: "Matt Ryan" <inetuid at googlemail.com>
To: <cisco-nsp at puck.nether.net>
Sent: Monday, April 23, 2007 8:21 PM
Subject: [c-nsp] Catalyst 6500 switchport input drops


> Seeing a large number of drops on a switchport interface without any 
> obvious
> reason (no errors, buffer misses, CPU load etc):
>
> Router#sh int fa2/2
> FastEthernet2/2 is up, line protocol is up (connected)
>  Hardware is C6k 100Mb 802.3, address is 0004.de84.1431 (bia 
> 0004.de84.1431
> )
>  MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
>     reliability 255/255, txload 1/255, rxload 1/255
>  Encapsulation ARPA, loopback not set
>  Keepalive set (10 sec)
>  Full-duplex, 100Mb/s
>  input flow-control is off, output flow-control is unsupported
>  ARP type: ARPA, ARP Timeout 04:00:00
>  Last input never, output 18w2d, output hang never
>  Last clearing of "show interface" counters never
>  Input queue: 0/2000/1158238/0 (size/max/drops/flushes); Total output
> drops: 0
>  Queueing strategy: fifo
>  Output queue: 0/40 (size/max)
>  5 minute input rate 128000 bits/sec, 113 packets/sec
>  5 minute output rate 2000 bits/sec, 2 packets/sec
>     943186717 packets input, 180091004357 bytes, 0 no buffer
>     Received 126945712 broadcasts (22133563 multicasts)
>     0 runts, 0 giants, 0 throttles
>     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
>     0 watchdog, 0 multicast, 0 pause input
>     0 input packets with dribble condition detected
>     47163411 packets output, 7169043006 bytes, 0 underruns
>     0 output errors, 0 collisions, 4 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
>
> Router#sh int fa2/2 counters errors
>
> Port        Align-Err    FCS-Err   Xmit-Err    Rcv-Err UnderSize 
> OutDiscards
> Fa2/2               0          0          0          0         0 
> 0
>
> Port      Single-Col Multi-Col  Late-Col Excess-Col Carri-Sen     Runts
> Giants
> Fa2/2              0         0         0          0         0
> 0         0
>
> Port       SQETest-Err Deferred-Tx IntMacTx-Err IntMacRx-Err Symbol-Err
> Fa2/2                0           0            0            0          0
>
> Any idea's what else to look for?
>
>
>
> Matt.
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
>