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2. Enable IP multicast routing and administrative scoping, and enable PIM-SM and IGMP.
# Enable IP multicast routing and administrative scoping on Switch A, enable PIM-SM on each interface,
and enable IGMP on the host-side interface VLAN-interface 100.
<SwitchA> system-view
[SwitchA] multicast routing-enable
[SwitchA] pim
[SwitchA-pim] c-bsr admin-scope
[SwitchA-pim] quit
[SwitchA] interface vlan-interface 100
[SwitchA-Vlan-interface100] igmp enable
[SwitchA-Vlan-interface100] pim sm
[SwitchA-Vlan-interface100] quit
[SwitchA] interface vlan-interface 101
[SwitchA-Vlan-interface101] pim sm
[SwitchA-Vlan-interface101] quit
The configuration on Switch E and Switch I is similar to the configuration on Switch A.
# On Switch B, enable IP multicast routing and administrative scoping, and enable PIM-SM on each
interface.
<SwitchB> system-view
[SwitchB] multicast routing-enable
[SwitchB] pim
[SwitchB-pim] c-bsr admin-scope
[SwitchB-pim] quit
[SwitchB] interface vlan-interface 200
[SwitchB-Vlan-interface200] pim sm
[SwitchB-Vlan-interface200] quit
[SwitchB] interface vlan-interface 101
[SwitchB-Vlan-interface101] pim sm
[SwitchB-Vlan-interface101] quit
[SwitchB] interface vlan-interface 102
[SwitchB-Vlan-interface102] pim sm
[SwitchB-Vlan-interface102] quit
[SwitchB] interface vlan-interface 103
[SwitchB-Vlan-interface103] pim sm
[SwitchB-Vlan-interface103] quit
The configuration on Switch C, Switch D, Switch F, Switch G, and Switch H is similar to the
configuration on Switch B. The specific configuration steps are omitted here.
3. Configure an admin-scope zone boundary.
# On Switch B, configure VLAN-interface 102 and VLAN-interface 103 to be the boundary of admin-
scope zone 1.
[SwitchB] interface vlan-interface 102
[SwitchB-Vlan-interface102] multicast boundary 239.0.0.0 8
[SwitchB-Vlan-interface102] quit
[SwitchB] interface vlan-interface 103
[SwitchB-Vlan-interface103] multicast boundary 239.0.0.0 8
[SwitchB-Vlan-interface103] quit
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