CCIE lab :Mroute Configuration

From: wim.depauw@getronics.com
Date: Thu Jan 31 2008 - 11:42:23 ARST


Hi,

I had an interesting discussion with one of my collegues about one of the labs of Internetwork expert and the use of mroutes.
When we have double uplink (let's suppose S1/1 and fa0/0) and we want to send the multicast traffic via the serial link.Our routing protocol will show the best path via the Fa0/0 so we will get an RPF problem.

=> We configure an mroute for the source

BUT when we do a debug ip mpacket we will still get an error message for the groups 224.0.0.39 and 224.0.0.40 although it functions fine .

Do we need to configure an mroute also for the Mapping agent and the RP ?

My opinion is that we don't need to do it because the groups 224.0.0.39-40 are in dense mode so they are received anyway.

How do we need to do this in the exam ?

gr
wim



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