multicast PIM Dense problem in F/R

From: Ali Fahmi (afahmi@xxxxxxxxx)
Date: Wed May 15 2002 - 09:18:21 GMT-3

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Hi all,
I have a problem with multicast configuration,
I have a topology like this, (WAN is Frame relay)

RtrA (s0/0.1) ------------RtrB
        |
        |
        (S1/0)
        RtrC
       (E0)
        |
     RtrD

My Problem is,
if I used PIM Dense-mode,I can ping 239.1.1.1 from RtrA and
got reply from RtrD, but I can not ping from RtrB
if I used PIM Sparse mode and RtrA is set to become RP , my
problem is solved,
is there any mistake in my config below ?

RtrA

ip multicast-routing

interface s0/0.1
ip pim dense-mode

RtrB
ip multicast-routing

interface S0
ip pim dense-mode

RtrC
ip multicast-routing

interface s1/0
ip pim dense-mode

interface E0
ip pim dense-mode

RtrD
ip multicast-routing

interface E0
ip igmp join-group 239.1.1.1

thanks,

Ali

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