HP 4800G Series Configuration Manual page 950

Network diagram
Figure 1-5 Network diagram for IGMP Snooping querier configuration
Source 1
192.168.1.10/24
Receiver
GE1/0/2
GE1/0/1
Host A
Switch A
Querier
Receiver
GE1/0/1
Host D
Switch D
Configuration procedure
1) Configure switch A
# Enable IGMP Snooping globally.
<SwitchA> system-view
[SwitchA] igmp-snooping
[SwitchA-igmp-snooping] quit
# Create VLAN 100 and assign GigabitEthernet 1/0/1 through GigabitEthernet 1/0/3 to the VLAN.
[SwitchA] vlan 100
[SwitchA-vlan100] port gigabitethernet 1/0/1 to gigabitethernet 1/0/3
# Enable IGMP Snooping and the function of dropping unknown multicast traffic in VLAN 100.
[SwitchA-vlan100] igmp-snooping enable
[SwitchA-vlan100] igmp-snooping drop-unknown
# Enable the IGMP-Snooping querier function in VLAN 100
[SwitchA-vlan100] igmp-snooping querier
# Set the source IP address of IGMP general queries and group-specific queries to 192.168.1.1 in
VLAN 100.
[SwitchA-vlan100] igmp-snooping general-query source-ip 192.168.1.1
[SwitchA-vlan100] igmp-snooping special-query source-ip 192.168.1.1
[SwitchA-vlan100] quit
2) Configure Switch B
# Enable IGMP Snooping globally.
<SwitchB> system-view
[SwitchB] igmp-snooping
[SwitchB-igmp-snooping] quit
# Create VLAN 100, and assign GigabitEthernet 1/0/1 through GigabitEthernet 1/0/4 to the VLAN.
Source 2
192.168.1.20/24
GE1/0/2
GE1/0/3 GE1/0/3
GE1/0/4
Switch B
GE1/0/2
GE1/0/2 GE1/0/3
Switch C
1-26
Receiver
GE1/0/1
Host B
Receiver
GE1/0/1
Host C