multicast question.

From: riaz shams (riazshams@gmail.com)
Date: Sat Oct 07 2006 - 18:28:16 ART

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hi group ,

can anyone pls clear my doubt on this,

three routers, R1 R2 and R3 connected on frame -relay hub and spoke style.
R2 is hub. OSPF is running as a routing protocol and R3's one interface is
not part of ospf.

i have given igmp-join group on ethernet's interface of R3 and multicast is
running on all three routers.

now if i ping from R1 to that multicast address , it sometime pings and
sometimes not.
i have also checked RPFs and RP mappings.

do i need to bring that interface's subnet in routing domain for multicast
address to be pingable ?

Tia
riaz.

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