Hi all
When I ping from R3 to 239.1.2.3, I don't get replies from R1.
When I configure "ip igmp join-group 239.1.2.3" on R1's G0/1 that is
connected to R2, I get two replies.
10.20.30.41 20.10.30.42
L0 R1 ------------------------------ R2
--------------------------------- R3
1.1.1.1 10.20.30.42
20.10.30.43
*R1 Config*
ip multicast-routing
ip pim rp-address 10.20.30.42
interface Loopback0
ip address 1.1.1.1 255.255.255.0
ip pim sparse-mode
ip igmp join-group 239.1.2.3
interface GigabitEthernet0/1
ip address 10.20.30.41 255.255.255.0
ip pim sparse-mode
*R2 Config*
ip multicast-routing
ip pim rp-address 10.20.30.42
interface GigabitEthernet0/0
ip address 20.10.30.42 255.255.255.0
ip pim sparse-mode
duplex auto
speed auto
!
interface GigabitEthernet0/1
ip address 10.20.30.42 255.255.255.0
ip pim sparse-mode
duplex auto
speed auto
*R3 Config*
ip route 10.20.30.0 255.255.255.0 10.20.30.42
ip multicast-routing
ip pim rp-address 10.20.30.42
interface GigabitEthernet0/0
ip address 20.10.30.43 255.255.255.0
ip pim sparse-mode
duplex auto
speed auto
With regards
Kings
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