34
Figure 13 Network diagram
Configuration procedure
1. Assign an IP address and subnet mask to each interface according to Figure 13. (Details not
shown.)
2. Configure Router A:
# Enable IP multicast routing.
<RouterA> system-view
[RouterA] multicast routing
[RouterA-mrib] quit
# Enable IGMP on GigabitEthernet 2/1/1.
[RouterA] interface gigabitethernet 2/1/1
[RouterA-GigabitEthernet2/1/1] igmp enable
[RouterA-GigabitEthernet2/1/1] quit
# Enable PIM-DM on GigabitEthernet 2/1/2.
[RouterA] interface gigabitethernet 2/1/2
[RouterA-GigabitEthernet2/1/2] pim dm
[RouterA-GigabitEthernet2/1/2] quit
3. Configure Switch A:
# Enable IGMP snooping globally.
<SwitchA> system-view
[SwitchA] igmp-snooping
[SwitchA-igmp-snooping] quit
# Create VLAN 100, assign GigabitEthernet 2/1/1 through GigabitEthernet 2/1/3 to the VLAN,
and enable IGMP snooping for the VLAN.
[SwitchA] vlan 100
[SwitchA-vlan100] port gigabitethernet 2/1/1 to gigabitethernet 2/1/3
[SwitchA-vlan100] igmp-snooping enable
Source
1.1.1.1/24
Router A
IGMP querier
GE2/1/1
10.1.1.1/24
Switch A
Switch B
Switch C
GE2/1/1
G
E
2
/
1
/
2
G
E
2
/
1
/
3
G
E
2
/
1
/
1
GE
1
/
0
/
1
G
E
2
/
1
/
3
G
E
2
/
1
/
5
Host A
Receiver
Host B
Host C
Receiver
VLAN 100
GE2/1/2
1.1.1.2/24