[c-nsp] How to tune multicast RPF checking?

[Matti Saarinen]

Pekka Savola <pekkas at netcore.fi> writes:

>> [ static mroutes vs routes via IGP ]
>
> I happened to come across documentation which suggested the hidden 
> command 'ip multicast longest-match' to achieve what you're looking. 
> Check out if it works.

 Thanks. That command did the trick. Now, the RPF lookup is based on
 the unicast routing table and the default mroute still points to the
 GRE tunnel.

 The command and its effects is described at least in this Beau
 Williamson's presentation

 http://darkwing.uoregon.edu/~llynch/mcastwks/beau/beau-222.pdf

 Cheers,

-- 
- Matti -