MAC ADDRESS ERROR

Answered Question

Hi,

I am getting following error when i configure isis on XR device.How to fix please help

RP/0/5/CPU0:133#RP/0/5/CPU0:Jul 9 21:46:06.759 : ifmgr[198]: %PKT_INFRA-LINK-3-UPDOWN : Interface MgmtEth0/5/CPU0/1, changed state to Up

RP/0/5/CPU0:Jul 9 21:46:06.762 : ifmgr[198]: %PKT_INFRA-LINEPROTO-5-UPDOWN : Line protocol on Interface MgmtEth0/5/CPU0/1, changed state to Up

RP/0/5/CPU0:Jul 9 21:46:06.828 : netio[294]: %ROUTING-CLNS-3-ETHERENCAP : Incorrect MAC address length 0

RP/0/5/CPU0:Jul 9 21:47:08.770 : netio[294]: %ROUTING-CLNS-3-ETHERENCAP : Incorrect MAC address length 0

RP/0/5/CPU0:Jul 9 21:48:08.806 : netio[294]: %ROUTING-CLNS-3-ETHERENCAP : Incorrect MAC address length 0



Correct Answer by Giuseppe Larosa about 7 years 11 months ago

Hello Pramod,

post the router isis config


RP/0/5/CPU0:Jul 9 21:46:06.828 : netio[294]: %ROUTING-CLNS-3-ETHERENCAP : Incorrect MAC address length 0


it looks like it is not able to correctly encapsulate the IS-IS PDU on an ethernet frame.


To be noted also that if you are trying to run IS-IS on a management interface this can be part of the problem you shouldn't use it to route user traffic but only for management


Hope to help

Giuseppe


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Correct Answer
Giuseppe Larosa Fri, 07/10/2009 - 03:21
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Hello Pramod,

post the router isis config


RP/0/5/CPU0:Jul 9 21:46:06.828 : netio[294]: %ROUTING-CLNS-3-ETHERENCAP : Incorrect MAC address length 0


it looks like it is not able to correctly encapsulate the IS-IS PDU on an ethernet frame.


To be noted also that if you are trying to run IS-IS on a management interface this can be part of the problem you shouldn't use it to route user traffic but only for management


Hope to help

Giuseppe


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