Hi,

I was wondering if anyone else has had issues with M based routers and PPM, if so, any advice would be greatly appreciated.

Here is my situation:
- I have a m120 router that is now running BFD and IS-IS on a few links and OSPF on a few other links (no problem here) - when I take a backup feb out of backup (N+1 group) and map it to a fpc, the router drops all ISIS neighbors.

A deeper look into the issue showed that ISIS is dropping because of BFD, a 3rd look showed that BFD was dieing due to the PPM

I'm assuming that the issue is related with PPM running on both feb and re.
Are there any caveats in disabling PPM on the FEB and letting it run only on the RE?

I assume the performance would be lower as its done in software vs the hw FEB but i cant imagine the difference to be noteworthy

Thanks
Payam



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