I have seen collisions like this as a result of a duplex mismatch between
the router interface and the switch port. Autonegotiation doesn't always
work reliably, especially between vendors. You may want to specify the
speed and duplex of both the router's interface, and the switch port that
the router is plugged into.
HTH,
Jim
+++++++++++++++++++++++++++++++++++++++++
"Cisco Study" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hi all,
>
> could any one tell me why collisions counter increases
> on ethernet port ....what should i do to prevent
> this.....Thanks in adv
> *****************************************************
> sh int e 0/0
> Ethernet0/0 is up, line protocol is up
> Hardware is AmdP2, address is 0010.7be1.6cc1 (bia
> 0010.7be1.6cc1)
> Internet address is 202.41.11.40/24
> MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, rely
> 255/255, load 4/255
> Encapsulation ARPA, loopback not set, keepalive set
> (10 sec)
> 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 19:30:29
> Queueing strategy: fifo
> Output queue 0/40, 54 drops; input queue 0/75, 0
> drops
> 5 minute input rate 830000 bits/sec, 126 packets/sec
> 5 minute output rate 195000 bits/sec, 113
> packets/sec
> 2135956 packets input, 1236837647 bytes, 0 no
> buffer
> Received 205775 broadcasts, 0 runts, 0 giants, 0
> throttles
> 0 input errors, 0 CRC, 0 frame, 0 overrun, 0
> ignored, 0 abort
> 0 input packets with dribble condition detected
> 2503462 packets output, 859332285 bytes, 0
> underruns
> 0 output errors, **305764 collisions**, 0
> interface resets
> 0 babbles, 0 late collision, 35665 deferred
> 0 lost carrier, 0 no carrier
> 0 output buffer failures, 0 output buffers
> swapped out
> SPZRTR1#
>
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