[c-nsp] Dreaded FIB Exception on Sup2

[Florian Weimer]

* Rich Davies:

> Has anyone ever utilized Unicast RPF (reverse path forwarding) to help
> mitigate this limitation on the SUP2's?   I have also ran into the same
> limitation with our SUP2's (full BGP routing table, multiple peering
> sessions) and I have read that enabling Unicast RPF would help temporarily
> alleviate the TCAM memory being exhausted

On a MSFC2/PFC2, enabling uRPF cuts the number of available routes in
half, so it makes things only worse.  Don't know about more modern
MSFCs, sorry.

-- 
Florian Weimer                <fweimer at bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99