log error

Unanswered Question

hi! I've the following error in my routers and switch. Is this a hardware error? or what can i do to rectified this? Thanks.

Core Switch


corp2> (enable) sh counters supervisor

Forwarding Engine Error Stats Counters


IP len against Physical length err = 0

IP min. length check error = 0

IP pkts with cksum error = 4

IPX len against Physical length err = 0

IPX min. length check error = 0



%MROUTE-4-MTU_MISMATCH: WARNING: With IP multicast enabled, in

terfaces which transmit traffic from larger to smaller MTU interfaces may not be

hardware switched due to fragmentation. A degradation in performance may occur.

I have this problem too.
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cisco_lad2004 Mon, 06/01/2009 - 05:17

Ensure MTU size is same size in interfaces between Router and Switch.



cisco_lad2004 Mon, 06/01/2009 - 09:03

sh int x/y | inc MTU

This must be checked on both adjacent devices Link interfaces.


Jayakrishna Mada Mon, 06/01/2009 - 22:45

IP pkts with cksum error = 4 means that switch has received a bad packet ( packet with checksum error).

The other messages is just a informational message.


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