66 drops out of 153 billion bytes and since the counters have never been cleared this number could have wrapped. I think if your worried about this your network is running quite well;)
You can always make the queue a little larger but don't go overboard. Dave Pat Donlon wrote: >Hi All > >just wondered if anyone has any useful experience or links on >troubleshooting output queue drops on interface. I've had a machine >experience errors for a period of time the interface had some drops on >the output queue, see below. I've read up on the cco and it looks like >you have to employ some congestion management if they still occur, >otherwise it's just congestion. > >cheers > >Pat > > >http://www.cisco.com/warp/customer/63/queue_drops.html#topic4 > >#sh int f9/13 >FastEthernet9/13 is up, line protocol is up (connected) > Hardware is C6k 100Mb 802.3, address is 000b.46ba.739c (bia >000b.46ba.739c) > Description: > MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec, > reliability 255/255, txload 1/255, rxload 1/255 > Encapsulation ARPA, loopback not set > Full-duplex, 100Mb/s > input flow-control is off, output flow-control is off > ARP type: ARPA, ARP Timeout 04:00:00 > Last input never, output never, output hang never > Last clearing of "show interface" counters never > Input queue: 0/2000/0/0 (size/max/drops/flushes); Total output drops: 66 > Queueing strategy: fifo > Output queue :0/40 (size/max) > 5 minute input rate 0 bits/sec, 0 packets/sec > 5 minute output rate 0 bits/sec, 0 packets/sec > 82435625 packets input, 24355560325 bytes, 0 no buffer > Received 1074 broadcasts, 0 runts, 0 giants, 0 throttles > 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored > 0 input packets with dribble condition detected > 186436077 packets output, 153017594209 bytes, 0 underruns > 0 output errors, 0 collisions, 2 interface resets > 0 babbles, 0 late collision, 0 deferred > 0 lost carrier, 0 no carrier > 0 output buffer failures, 0 output buffers swapped out >**Please support GroupStudy by purchasing from the GroupStudy Store: >http://shop.groupstudy.com >FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html > > > -- David Madland CCIE# 2016 Sr. Network Engineer Qwest Communications 612-664-3367 "Emotion should reflect reason not guide it" Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=74715&t=74709 -------------------------------------------------- **Please support GroupStudy by purchasing from the GroupStudy Store: http://shop.groupstudy.com FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
