3Com Switch 4800G 24-Port Configuration Manual page 573

Network diagram
Figure 173 Network diagram for static router port configuration
Source
GE 1/0 /2
1.1.1 .2/24
Router A
1.1.1.1/24
IGMP querier
Host C
Receiver
Configuration procedure
1 Configure the IP address of each interface
Configure an IP address and subnet mask for each interface as per Figure 173. The
detailed configuration steps are omitted.
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-GigabitEthernet1/0/1] igmp enable
[RouterA-GigabitEthernet1/0/1] pim dm
[RouterA-GigabitEthernet1/0/1] quit
[RouterA] interface GigabitEthernet 1/0/2
[RouterA-GigabitEthernet1/0/2] pim dm
[RouterA-GigabitEthernet1/0/2] quit
3 Configure Switch A
# Enable IGMP Snooping globally.
<SwitchA> system-view
[SwitchA] igmp-snooping
[SwitchA-igmp-snooping] quit
# Create VLAN 100, assign GigabitEthernet 1/0/1 through GigabitEthernet 1/0/3
to this VLAN, and enable IGMP Snooping in the VLAN.
[SwitchA] vlan 100
[SwitchA-vlan100] port GigabitEthernet 1/0/1 to GigabitEthernet 1/0/
3
[SwitchA-vlan100] igmp-snooping enable
[SwitchA-vlan100] quit
IGMP Snooping Configuration Examples
Switch A
GE1 /0/1
10.1.1.1 /24 GE1 /0/1
Switch C
GE 1/0/5 GE1 /0/2
Host B Host A
Receiver
GE 1/0/2
Switch B
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