[c-nsp] Deferred packets on 2950 10/full interface

[Clinton Work]

I'm seeing 3716 deferred frames on a 10/full interface. I suspect a 
duplex mismatch even though the Telco assures me that their interface is 
10/full as well. Anybody seen this problem on another 2950 switch?


Router#show int fa0/1
FastEthernet0/1 is up, line protocol is up (connected)
   Hardware is Fast Ethernet, address is 000e.38a0.3901 (bia 000e.38a0.3901)
   Description:
   MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
      reliability 255/255, txload 1/255, rxload 1/255
   Encapsulation ARPA, loopback not set
   Keepalive set (10 sec)
   Full-duplex, 10Mb/s
   input flow-control is off, output flow-control is off
   ARP type: ARPA, ARP Timeout 04:00:00
   Last input 00:00:00, output 00:00:05, output hang never
   Last clearing of "show interface" counters 6w0d
   Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
   Queueing strategy: fifo
   Output queue :0/40 (size/max)
   30 second input rate 0 bits/sec, 0 packets/sec
   30 second ouxtput rate 0 bits/sec, 0 packets/sec
      2979697 packets input, 477032533 bytes, 0 no buffer
      Received 2612753 broadcasts, 241 runts, 0 giants, 0 throttles
      316 input errors, 0 CRC, 75 frame, 0 overrun, 0 ignored
      0 watchdog, 2612346 multicast, 0 pause input
      0 input packets with dribble condition detected
      1110744 packets output, 296966944 bytes, 0 underruns
      0 output errors, 0 collisions, 0 interface resets
      0 babbles, 0 late collision, 3716 deferred
      0 lost carrier, 0 no carrier, 0 PAUSE output
      0 output buffer failures, 0 output buffers swapped out

IOS (tm) C2950 Software (C2950-I6Q4L2-M), Version 12.1(13)EA1, RELEASE 
SOFTWARE (fc1)
Copyright (c) 1986-2003 by cisco Systems, Inc.
Compiled Tue 04-Mar-03 02:14 by yenanh
Image text-base: 0x80010000, data-base: 0x805A8000
Model number: WS-C2950-12