3Com Switch 4800G 24-Port Configuration Manual page 607

Network diagram
Figure 181 Network diagram for multicast VLAN configuration
Source
1.1.1 .1/24
Receiver
VLAN 11
Host A
Configuration procedure
1 Configure an IP address for each interconnecting interface
Configure an IP address and subnet mask for each interface as per Figure 181. The
detailed configuration steps are omitted here.
2 Configure Router A
# Enable IP multicast routing, enable PIM-DM on each interface and enable IGMP
on GigabitEthernet 1/0/1.
<RouterA> system-view
[RouterA] multicast routing-enable
[RouterA] interface GigabitEthernet 1/0/1
[RouterA-GigabitEthernet 1/0/1] pim dm
[RouterA-GigabitEthernet 1/0/1] igmp enable
[RouterA-GigabitEthernet 1/0/1] quit
[RouterA] interface GigabitEthernet 1/0/2
[RouterA-GigabitEthernet 1/0/2] pim dm
[RouterA-GigabitEthernet 1/0/2] quit
3 Configure Switch A
# Enable IGMP Snooping globally.
<SwitchA> system-view
[SwitchA] igmp-snooping
[SwitchA-igmp-snooping] quit
# Create VLAN 11 and assign GigabitEthernet 1/0/2 to this VLAN.
[SwitchA] vlan 11
[SwitchA-vlan11] port GigabitEthernet 1/0/2
[SwitchA-vlan11] quit
Multicast VLAN Configuration Example
VLAN 1024
IGMP querier
GE1 /0/2
1.1 .1.2/24
Router A
GE1/0/1
10.110.1.1/24
Vlan -int1024
10 .110 .1.2 /24
GE 1/0/1
Switch A
GE1 /0/2 GE 1/0/4
GE 1/0/3
Receiver
Host B
VLAN 12
Receiver
VLAN 13
Host C
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