[frr] 2 MPLS Questions

[Amine Kherbouche]

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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