[c-nsp] Total output drops

Hiromasa Sekiguchi hiromasa.sekiguchi at ctc-g.co.jp
Mon Dec 3 06:18:25 EST 2007


Hi,

In what situation "Total output drops" increase?

---
FastEthernet0/0 is up, line protocol is up
  Hardware is AmdFE, address is ****.****.**** (bia ****.****.****)
  Description: ******
  Internet address is *.*.*.*/24
  MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
     reliability 255/255, txload 50/255, rxload 12/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  Full-duplex, 10Mb/s, 100BaseTX/FX
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:00, output 00:00:00, output hang never
  Last clearing of "show interface" counters 27w0d
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 214993 <== here!!
  Queueing strategy: weighted fair
  Output queue: 0/1000/64/0 (size/max total/threshold/drops)
     Conversations  0/2/256 (active/max active/max total)
     Reserved Conversations 5/5 (allocated/max allocated)
     Available Bandwidth 6602 kilobits/sec
  5 minute input rate 472000 bits/sec, 256 packets/sec
  5 minute output rate 1995000 bits/sec, 295 packets/sec
     499376362 packets input, 3926585677 bytes
     Received 13839 broadcasts, 0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog
     0 input packets with dribble condition detected
     522796493 packets output, 605133573 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 output buffer failures, 0 output buffers swapped out
---

Regards,
Hiromasa


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