From: ALL From_NJ (all.from.nj@gmail.com)
Date: Thu Feb 05 2009 - 13:55:02 ARST
IMO, mcast is one of those topics that you never really understand until
your job depends on it or you work through some practice labs.
Once you configure everything, see which routers have and have not
registered with the RP. Which routers claim they have a group interested in
receiving the traffic? That would be routers configured with the static
joins ...
What happens when you introduce a source? Ping a mcast group ...
What happens when there are two sources ... separate pings from multiple
routers ...
I would imagine this ping and validation test would be good to practice
since you want to know how to configure it, and also how to test your
configs. For me, I have a history of fat fingers ... yuck. So for me,
testing my configs seems to uncover typos etc ...
Here is a link to the config guide. It has an example of multiple sources.
(watch the ugly word wrap):
HTH,
Andrew Lee Lissitz
On Thu, Feb 5, 2009 at 6:08 AM, Rene <rene.klose@gmail.com> wrote:
> Hi group,
>
> I have a problem of understanding of how a Router take the decision of with
> source to use for a multicast group if it has multiple and then even some
> locally learned and some sources learned over msdp. has anyone an idea.
>
>
> thanks in advance.
>
> Reni
>
>
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-- Andrew Lee Lissitz all.from.nj@gmail.comBlogs and organic groups at http://www.ccie.net
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