H3C Technologies H3C S12500-X Series Switches - Manual (Page 43)

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[SwitchC-vlan100] port ten-gigabitethernet 1/0/1 to ten-gigabitethernet 1/0/5
[SwitchC-vlan100] igmp-snooping enable
[SwitchC-vlan100] quit
# Configure Ten-GigabitEthernet 1/0/3 and Ten-GigabitEthernet 1/0/5 as static member ports
for multicast group 224.1.1.1.
[SwitchC] interface ten-gigabitethernet 1/0/3
[SwitchC-Ten-GigabitEthernet1/0/3] igmp-snooping static-group 224.1.1.1 vlan 100
[SwitchC-Ten-GigabitEthernet1/0/3] quit
[SwitchC] interface ten-gigabitethernet 1/0/5
[SwitchC-Ten-GigabitEthernet1/0/5] igmp-snooping static-group 224.1.1.1 vlan 100
[SwitchC-Ten-GigabitEthernet1/0/5] quit
Verifying the configuration
# Display information about the static router ports in VLAN 100 on Switch A.
[SwitchA] display igmp-snooping static-router-port vlan 100
VLAN 100:
Router slots (1 in total):
1
Router ports (1 in total):
1
XGE1/0/3
The output shows that Ten-GigabitEthernet 1/0/3 on Switch A has become a static router port.
# Display information about the static IGMP snooping forwarding entries in VLAN 100 on Switch C.
[SwitchC] display igmp-snooping static-group vlan 100
Total 1 entries.
VLAN 100: Total 1 entries.
(0.0.0.0, 224.1.1.1)
Host slots (1 in total):
1
Host ports (2 in total):
XGE1/0/3
XGE1/0/5
The output shows that Ten-GigabitEthernet 1/0/3 and Ten-GigabitEthernet 1/0/5 on Switch C have
become static member ports of the multicast group 224.1.1.1.
Troubleshooting IGMP snooping
Layer 2 multicast forwarding cannot function
Symptom
Layer 2 multicast forwarding cannot function on the switch.
Analysis
IGMP snooping is not enabled.