From: Bruce Williams (bruce@xxxxxxxxxxxxxxxxxxxxxx)
Date: Sun Aug 25 2002 - 20:55:18 GMT-3
I am trying to configure sparse mode over frame relay.
r1
framerelay
r2 r4 r3
R1 is the rp. The loopbacks on r2, r3 and r4 all have joined group
239.10.10.10. I configured ip pim sparse on all the framerelay interfaces. I
also configured r1 to be the mapping agent and to announce itself as the rp
for the designated group. I see the rp for the correct group on each router,
but none of the routers are forwarding multicast to the loopbacks. I always
struggle with multicast and I have read Doyle II, but I dont see what I am
doing wrong. The sho ip mroute shows the same on each router:
R2
(172.16.124.1, 239.10.10.10), 00:01:39/00:01:20, flags: PFT
Incoming interface: Serial1/0, RPF nbr 0.0.0.0
Outgoing interface list: Null
R3
(172.16.13.1, 239.10.10.10), 00:02:49/00:00:10, flags: PFT
Incoming interface: Serial0, RPF nbr 0.0.0.0, Registering
Outgoing interface list: Null
R4
(172.16.13.1, 239.10.10.10), 00:00:19/00:02:40, flags: PFT
Incoming interface: Serial0, RPF nbr 0.0.0.0, Registering
Outgoing interface list: Null
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