IP multicast

From: Brian Van Benschoten (vader@xxxxxxxxxxxx)
Date: Sun Nov 28 1999 - 13:48:59 GMT-3

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looking for opinions...
when doing IP multicast on the lab would you configure the interfaces IP PIM
SPARSE-DENSE MODE or just IP PIM DENSE-MODE. Is it worth dealing with the
RP and all of the other config that goes with it ?

Every example I see shows a few routers on a frame and a few more on a LAN
segment with IP multicast enabled. They usually want you to ping a group
address. I have the "pingable" router do an IGMP JOIN-GROUP IP.IP.IP.IP.
With IP PIM DENSE-MODE configured on the other routers I can ping this
group. Is there more to this than meets the eye ?

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