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

[Pekka Savola]

On Fri, 26 Nov 2004, Matti Saarinen wrote:
> Now, when a host in our internal network starts sending multicast
> traffic the traffic will be dropped when it reaches the RP due the RPF
> check. This due the fact that the default mroute overrides the more
> specific routes learned via OSPF because of the lower administrative
> distance. If I set a more specific static mroute pointing towards the
> source the RPF check succeeds and the multicast traffic flows
> correctly.

You can specify the administrative distance with ip mroutes as well, 
like 'ip mroute 1.1.1.1 255.255.255.0 1.1.2.3 250', but it might not 
help you here.

-- 
Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings