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# Assign an IP address to interface Tunnel 0, and specify its source and destination addresses.
[SwitchC-Tunnel0] ip address 50.1.1.2 24
[SwitchC-Tunnel0] source 30.1.1.2
[SwitchC-Tunnel0] destination 20.1.1.1
[SwitchC-Tunnel0] quit
4. Enable IP multicast routing, PIM-DM, and IGMP:
# On Switch A, enable multicast routing, and enable PIM-DM on each interface.
[SwitchA] multicast routing
[SwitchA-mrib] quit
[SwitchA] interface vlan-interface 100
[SwitchA-Vlan-interface100] pim dm
[SwitchA-Vlan-interface100] quit
[SwitchA] interface vlan-interface 101
[SwitchA-Vlan-interface101] pim dm
[SwitchA-Vlan-interface101] quit
[SwitchA] interface tunnel 0
[SwitchA-Tunnel0] pim dm
[SwitchA-Tunnel0] quit
# On Switch C, enable multicast routing globally.
[SwitchC] multicast routing
[SwitchC-mrib] quit
# Enable IGMP on VLAN-interface 200 (the interface that connects to the receiver host).
[SwitchC] interface vlan-interface 200
[SwitchC-Vlan-interface200] igmp enable
[SwitchC-Vlan-interface200] quit
# Enable PIM-DM on the other interfaces.
[SwitchC] interface vlan-interface 102
[SwitchC-Vlan-interface102] pim dm
[SwitchC-Vlan-interface102] quit
[SwitchC] interface tunnel 0
[SwitchC-Tunnel0] pim dm
[SwitchC-Tunnel0] quit
5. On Switch C, configure a static multicast route, and specify the RPF neighbor toward Source as
interface Tunnel 0 on Switch A.
[SwitchC] ip rpf-route-static 50.1.1.0 24 50.1.1.1
Verifying the configuration
# Send an IGMP report from Receiver to join the multicast group 225.1.1.1. (Details not shown.)
# Send multicast data from Source to the multicast group 225.1.1.1. (Details not shown.)
# Display PIM routing table information on Switch C.
[SwitchC] display pim routing-table
Total 1 (*, G) entry; 1 (S, G) entry
(*, 225.1.1.1)
Protocol: pim-dm, Flag: WC
UpTime: 00:04:25
Upstream interface: NULL
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