From: Monica Belluci (mpls1979@gmail.com)
Date: Sat Jan 05 2008 - 04:50:55 ARST
Thanks Bob
One more question . does it has any role in sparse mode or sparse-dense mode
?
Nalini Roy
On Jan 4, 2008 8:46 PM, Bob Sinclair <bob@bobsinclair.net> wrote:
> Monica Belluci wrote:
> > Hi,
> >
> > If I increase dr-priority of router in Multicasting by using ip pim
> > dr-priority command, What action(Job responsibility) will be taken by DR
> in
> > multicasting ?
> > If Edge router become DR in Multicast network , Will it effect the flow
> of
> > multicast traffic ?
> > Your comments are appereciable for me.
> >
> Here are some PIM DR facts:
>
> By default, the router with the highest interface IP address on a
> subnet will be the PIM Designated Router.
>
> Highest IP on the subnet can be overridden ip pim dr-priority X
> (default 1, higher preferred)
>
> In Sparse mode, the DR on the subnet sends *,G join and register
> messages.
>
> With equal metrics to the source, the DR will be the forwarder for
> the subnet, even if not highest IP.
>
> With equal metrics, the upstream neighbor with the highest IP will be
> the rpf neighbor, even if it is not DR.
>
> Hth,
>
> --
>
>
> Bob Sinclair CCIE 10427 CCSI 30427
> www.netmasterclass.net
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