All things related to multicast

[Laura Kristoff <>]

On Mon, Feb 02, 2009 at 03:36:51PM -0600, debbie fligor wrote:
> 
> On Feb 2, 2009, at 15:17, debbie fligor wrote:
> 
> >We've been trying to track down why it wasn't working here as well.   
> >we also have rpf failing for 128.194.0.40-44 and are only getting an  
> >(S,G) for the 207.75.165.77 source.
> >
> >Our best unicast path for this is via NLR but the preferred  
> >multicast path is through I2.
> 
> actually, I need to correct this.
> 
> we're getting the multicast and unicast from NLR, but the SA is coming  
> from I2 and one other peer but not from our NLR MSDP peer, so the next  
> hop and the SA aren't coming from the same direction, thus failing RPF.
> 
> Anyone know why NLR isn't announcing it?
> 

Yeah, that's what we are seeing.  If NLR would send us the SA it would
probably work.  Our best multicast route for it is via NLR.  We also
have a route from MREN but that msdp annoucement is getting rejected.

--Laura





-- 
Laura Kristoff 
()
IT Telecommunications and Network Services
312-503-4094