H3C Technologies H3C S10500 Series Switches - Manual (Page 60)

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Figure 16 Network diagram for IGMP snooping querier configuration
Switch D
Switch A
Querier
Switch B
Switch C
Source 1
192.168.1.10/24
Host D
Receiver
GE1/0/2 GE1/0/1
GE1/0/1
GE1/0/2
GE1/0/3 GE1/0/3 GE1/0/1
GE1/0/2
GE1/0/1 GE1/0/3
GE1/0/2
Source 2
192.168.1.20/24
Host A Host B
Host C
Receiver Receiver
Receiver
GE1/0/4
VLAN 100
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.
[SwitchB] vlan 100
[SwitchB-vlan100] port gigabitethernet 1/0/1 to gigabitethernet 1/0/4