[j-nsp] Juniper M120 - PPM causing issues for BFD

[Chen Jiang]

you could try this knob: "set routing-options ppm no-delegate-processing"

On Wed, Dec 1, 2010 at 4:05 AM, Payam Chychi <pchychi at gmail.com> wrote:

> 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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-- 
BR!



           James Chen