Look for hardware buffer drops. "show platform hardware capacity" should get you the details you need.
Jared Mauch On Jul 26, 2012, at 12:37 PM, John Neiberger <jneiber...@gmail.com> wrote: > I've got another strange issue brewing. We have a 1-gig interface on a > 6500 (6748 blade) that has a high number of output errors and output > drops. The drops are not queue drops. Here are the stats, one week > after clearing the counters. > > Input queue: 0/2000/0/0 (size/max/drops/flushes); Total output drops: 1158860 > Queueing strategy: fifo > Output queue: 0/40 (size/max) > 30 second input rate 854000 bits/sec, 101 packets/sec > 30 second output rate 78000 bits/sec, 116 packets/sec > 97152626 packets input, 115649666904 bytes, 0 no buffer > Received 0 broadcasts (0 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 > 90216394 packets output, 7441734020 bytes, 0 underruns > 579430 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 > > > Packets dropped on Transmit: > > queue dropped [cos-map] > --------------------------------------------- > 1 0 [0 1 ] > 2 0 [2 3 4 ] > 3 0 [6 7 ] > 4 0 [5 ] > > I haven't been able to figure out what could be causing such a high > rate of errors and drops. I have a TAC case open, but the engineer > hasn't been able to explain what we're seeing. I'm probably just going > to coordinate with the server and app owners to move this to another > link, but I'm still very curious about what could cause this behavior. > > Any ideas? > > Thanks, > John > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/