[frr] 2 MPLS Questions

olivier.dugeon at orange.com olivier.dugeon at orange.com
Thu Mar 23 14:00:33 EDT 2017


Amine,

Sorry. I forgot to precise that default value set to 8 is fine.

Regards

Olivier


Le 23/03/2017 à 18:34, Amine Kherbouche a écrit :
> Olivier,
>
>     The best for me, is to have the possibility to recompile the MPLS kernel module with the new value the MAX_LABEL_STACK and then let our Segment Routing implementation read this value to determine what's feasible.
>
> Yes but we still need a default value.
> You have also to see the perf impact, now the current mpls entry size in linux kernel is under
> a cache line, even using 12 stacked labels, we are always under a cache line but beyond
> this value we're going to see performance issue.
>


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