what is mean by "output buffers swapped out" ?

From: balaji.balakrishnan (balaji.balakrishnan@swift.com)
Date: Mon Mar 17 2003 - 14:34:31 GMT-3


Hi Group,

We had an application (SAP) timeout problem and during that time , I saw that the router serila interface output buffer swap
counter
was keep incrementing. Do anyone know what is the meaning of that and is that anyway related to the performance problem ??
Also, please post if you know any good link detailing this problem.

Serial4/1/0 is up, line protocol is up
  Hardware is cyBus Serial
  Description: Serial-PPP connection to Serial1/1/7 of GBEAR1
  Internet address is x.x.x.x
  MTU 1500 bytes, BW 256 Kbit, DLY 20000 usec,
     reliability 255/255, txload 43/255, rxload 20/255
  Encapsulation PPP, crc 16, loopback not set
  Keepalive set (6 sec)
  LCP Open
  Open: IPCP
  Last input 00:00:00, output 00:00:00, output hang never
  Last clearing of "show interface" counters 01:54:25
  Queueing strategy: fifo
  Output queue 0/40, 0 drops; input queue 0/75, 0 drops
  5 minute input rate 21000 bits/sec, 4 packets/sec
  5 minute output rate 44000 bits/sec, 4 packets/sec
     64566 packets input, 26162283 bytes, 0 no buffer
     Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
     67105 packets output, 46788306 bytes, 0 underruns
     0 output errors, 0 collisions, 0 interface resets
     0 output buffer failures, 1211 output buffers swapped out
     0 carrier transitions

Thanks,
Bala.



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