94
# Enable IGMP on VLAN-interface 100.
[SwitchA] interface vlan-interface 100
[SwitchA-Vlan-interface100] igmp enable
[SwitchA-Vlan-interface100] quit
# Enable PIM-DM on VLAN-interface 101.
[SwitchA] interface vlan-interface 101
[SwitchA-Vlan-interface101] pim dm
[SwitchA-Vlan-interface101] quit
# On Switch B, enable IP multicast routing.
<SwitchB> system-view
[SwitchB] multicast routing
[SwitchB-mrib] quit
# Enable IGMP on VLAN-interface 200.
[SwitchB] interface vlan-interface 200
[SwitchB-Vlan-interface200] igmp enable
[SwitchB-Vlan-interface200] quit
# Enable PIM-DM on VLAN-interface 201.
[SwitchB] interface vlan-interface 201
[SwitchB-Vlan-interface201] pim dm
[SwitchB-Vlan-interface201] quit
# On Switch C, enable IP multicast routing.
<SwitchC> system-view
[SwitchC] multicast routing
[SwitchC-mrib] quit
# Enable IGMP on VLAN-interface 200.
[SwitchC] interface vlan-interface 200
[SwitchC-Vlan-interface200] igmp enable
[SwitchC-Vlan-interface200] quit
# Enable PIM-DM on VLAN-interface 202.
[SwitchC] interface vlan-interface 202
[SwitchC-Vlan-interface202] pim dm
[SwitchC-Vlan-interface202] quit
4.
Configure a multicast group policy on Switch A so that hosts connected to VLAN-interface 100
can join only multicast group 224.1.1.1.
[SwitchA] acl basic 2001
[SwitchA-acl-ipv4-basic-2001] rule permit source 224.1.1.1 0
[SwitchA-acl-ipv4-basic-2001] quit
[SwitchA] interface vlan-interface 100
[SwitchA-Vlan-interface100] igmp group-policy 2001
[SwitchA-Vlan-interface100] quit
Verifying the configuration
# Display IGMP information for VLAN-interface 200 on Switch B.
[SwitchB] display igmp interface vlan-interface 200
Vlan-interface200(10.110.2.1):
IGMP is enabled.
IGMP version: 2
Query interval for IGMP: 125s