From: Daniel Free (danrose111@earthlink.net)
Date: Thu May 29 2003 - 15:14:09 GMT-3
Hi Dredeze,
Your statement below is incorrect:
> Spares mode requires RP (source-trees) and dense-mode (distribution
> trees) is sort of like a broadcast method
Both sparse and dense mode are forms of Multicast distribution trees. Dense
mode is as
you said like a broadcast method using flood and
prune. Dense mode is sourced based tree (S,G)
Sparse mode is shared based tree (*,G). Sparse
mode requires a RP, either manual or auto. As far
as determining the method to use for a practice lab a real sign of sparse
mode would be if the requirement stated that a certain router should
announce itself as RP. Then you know you need auto-rp. Other than that I
don't know. Just go with your gut feeling and make sure all the requirements
are met. Best of luck.
Danny
----- Original Message -----
From: "dredeze" <dredeze@hotmail.com>
To: "'Emad'" <emad@zakq8.com>; "'CCIE LAB (E-mail)'"
<ccielab@groupstudy.com>
Sent: Thursday, May 29, 2003 8:38 AM
Subject: RE: Multicast: PIM type
> Spares mode requires RP (source-trees) and dense-mode (distribution
> trees) is sort of like a broadcast method.
>
> Developing IP Multicast Network Volume is a good book
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Emad
> Sent: Thursday, May 29, 2003 3:37 AM
> To: CCIE LAB (E-mail)
> Subject: Multicast: PIM type
>
> Folks,
> I saw in many scenarios that he just states to make certain routers to
> join certain group and not sating exactly which kind of PIM ( dense or
> spare or sparse-dense ) , is it optional and we choose anyone or there
> are some kewords that identify the type but I didn't catch them
> regards
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