From: Sadiq Yakasai (sadiqtanko@gmail.com)
Date: Thu May 22 2008 - 18:04:10 ART
Joe,
"again the interface modes decide how the router learns rp information. Not
how the multicast traffic is forwarded. I tested this in my lab last year by
running multicast traffic over a network of "sparse mode interfaces" with no
RP configured. I obviously did not remove the "ip pim dm-fallback" default
operation."
Does that mean the no dense mode fallback mechanism is not any useful?
From your explanation, even when you have a sparse mode interface, and
traffic arrives on a router and there is no RP for that group (due to
any reason) the group falls back to dense mode and the traffic is
pushed out of an interface configured for sparse mode alone?
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