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how to troubleshoot the Throttles in the router

MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec,

     reliability 255/255, txload 1/255, rxload 3/255

  Encapsulation ARPA, loopback not set

  Keepalive set (10 sec)

  Full-duplex, 100Mb/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 1d08h

  Input queue: 0/75/396/0 (size/max/drops/flushes); Total output drops: 0

  Queueing strategy: Class-based queueing

  Output queue: 0/1000/0 (size/max total/drops)

  5 minute input rate 1261000 bits/sec, 244 packets/sec

  5 minute output rate 297000 bits/sec, 145 packets/sec

     31936228 packets input, 3672958436 bytes

     Received 2 broadcasts, 0 runts, 0 giants, 45 throttles

     586 input errors, 0 CRC, 0 frame, 0 overrun, 586 ignored

     0 watchdog

     0 input packets with dribble condition detected

     24029697 packets output, 2058195560 bytes, 0 underruns

     0 output errors, 0 collisions, 0 interface resets

     0 unknown protocol drops

     0 unknown protocol drops

     0 babbles, 0 late collision, 0 deferred

     0 lost carrier, 0 no carrier

     0 output buffer failures, 0 output buffers swapped out

1 REPLY
Cisco Employee

Re: how to troubleshoot the Throttles in the router

Generically speaking, a throttle occurs when the interface is not able to process any more packets due to buffer or processor overload.  To get a better understanding as to what is causing the throttles in your case, we would need to see a complete show interface, show ver, show controller (for that interface), show proc cpu history, and show buffer.  It would be good to see these commands a few times when the throttle count is incrementing.  The ignores are a further indication of a buffer/processor overload.

Please see the following url's for more information:

http://www.cisco.com/en/US/products/hw/routers/ps359/products_tech_note09186a00801c2af0.shtml

Tim

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