[c-nsp] IOS-XR OSPF rapid repeating error.

Oliver Boehmer (oboehmer) oboehmer at cisco.com
Sat Jan 26 03:20:55 EST 2013


Lee,

>I was wondering if anyone has seen this and if it is caused by a bug or a
>security hole. OSPF process is in an endless loop of errors that I was
>only
>able to fix with a reboot. I could not restart the OSPF process as it
>would
>just hang for 60 seconds and then give up. This problem takes the CPU to
>100% when this OSPF problem happens and for whatever reason, happened on
>two routers at the same time. I did some searching but was never able to
>find an actual answer as to the cause. What I find odd is that two routers
>would end up with the same problem at the same exact time if it is a bug
>and if it is a security hole, that I was not able to find the details on
>it.
>
>RP/0/9/CPU0:Jan 15 19:27:40.781 : ospf[1009]: %ROUTING-OSPF-3-INTERNALERR
>:
>Internal error, path id out of range

you're hitting a known issue CSCtn00523 (details on CCO), there is an OSPF
Umbrella SMU avaliable for download on CCO, which fixes this an other OSPF
issues in 4.0.1 (CSCts31308).

	oli




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