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 From : Dmitry Sergienko                     2:464/910      09 Nov 2006  11:00:04
 To : All
 Subject : Catalyst 2950: no buffer errors
 -------------------------------------------------------------------------------- 
 

 
 Стали появляться на интерфейсах ошибки ignored и no buffer с одинаковым кол-вом 
 пакетов.
 Output interpreter посоветовал крутить настройки buffers. Подкрутил. Hе
 помогает.
 
 FastEthernet0/20 is up, line protocol is up (connected)
   Hardware is Fast Ethernet, address is 000a.b7e5.4f1a (bia 000a.b7e5.4f1a)
   Description: test
   MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
      reliability 255/255, txload 41/255, rxload 85/255
   Encapsulation ARPA, loopback not set
   Keepalive set (10 sec)
   Full-duplex, 100Mb/s, media type is 100BaseTX
   input flow-control is unsupported output flow-control is unsupported
   ARP type: ARPA, ARP Timeout 04:00:00
   Last input never, output 00:00:03, output hang never
   Last clearing of "show interface" counters 16:56:56
   Input queue: 0/4096/0/0 (size/max/drops/flushes); Total output drops: 0
   Queueing strategy: fifo
   Output queue: 0/4096 (size/max)
   30 second input rate 33608000 bits/sec, 8775 packets/sec
   30 second output rate 16263000 bits/sec, 7882 packets/sec
 
 >     445558582 packets input, 1348166388 bytes, 1924 no buffer
 
      Received 0 broadcasts (0 multicast)
      0 runts, 0 giants, 0 throttles
 
 >     0 input errors, 0 CRC, 0 frame, 0 overrun, 1924 ignored
 
      0 watchdog, 0 multicast, 0 pause input
      0 input packets with dribble condition detected
      404978573 packets output, 3342443658 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 PAUSE output
      0 output buffer failures, 0 output buffers swapped out
 В описании ошибок ignored & no buffer есть следующее:
 
 Broadcast storms and bursts of noise can cause the ignored count to be
 increased.
 
 Hо я не уверен, что эта причина может быть у 3х разных интерфейсов, находящихся 
 в разных доменах коллизий и включенных равноудаленными друг от друга шнурками.
 
   Dmitry
 
 --- GoldED+/BSD 1.1.5
  * Origin: LinuxLand Station [CM] fido.unity.net +380-562-374217 (2:464/910)
 
 

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