Verifying the configuration – H3C Technologies H3C S12500 Series Switches User Manual
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[SwitchA] ipv6
[SwitchA] mld-snooping
[SwitchA-mld-snooping] quit
# Create VLAN 100 and assign GigabitEthernet 3/0/1 through GigabitEthernet 3/0/3 to VLAN
100.
[SwitchA] vlan 100
[SwitchA-vlan100] port GigabitEthernet 3/0/1 to GigabitEthernet 3/0/3
# Enable MLD snooping and the function of dropping unknown IPv6 multicast data packets in
VLAN 100.
[SwitchA-vlan100] mld-snooping enable
[SwitchA-vlan100] mld-snooping drop-unknown
# Configure MLD snooping querier feature in VLAN 100.
[SwitchA-vlan100] mld-snooping querier
[SwitchA-vlan100] quit
2.
Configure Switch B:
# Enable IPv6 forwarding and enable MLD snooping globally.
<SwitchB> system-view
[SwitchB] ipv6
[SwitchB] mld-snooping
[SwitchB-mld-snooping] quit
# Create VLAN 100, add GigabitEthernet 3/0/1 through GigabitEthernet 3/0/4 into VLAN
100.
[SwitchB] vlan 100
[SwitchB-vlan100] port GigabitEthernet 3/0/1 to GigabitEthernet 3/0/4
# Enable the MLD snooping feature and the function of dropping unknown IPv6 multicast data
packets in VLAN 100.
[SwitchB-vlan100] mld-snooping enable
[SwitchB-vlan100] mld-snooping drop-unknown
[SwitchB-vlan100] quit
3.
Configure Switch C and Switch D in the same way as you configure Switch B.
Verifying the configuration
When the MLD snooping querier starts to work, all the switches but the querier receive MLD
general queries.
# Display the MLD message statistics on Switch B.
[SwitchB-vlan100] display mld-snooping statistics
Received MLD general queries:3.
Received MLDv1 specific queries:0.
Received MLDv1 reports:12.
Received MLD dones:0.
Sent MLDv1 specific queries:0.
Received MLDv2 reports:0.
Received MLDv2 reports with right and wrong records:0.
Received MLDv2 specific queries:0.
Received MLDv2 specific sg queries:0.
Sent MLDv2 specific queries:0.
Sent MLDv2 specific sg queries:0.