Configuration procedure – H3C Technologies H3C S12500 Series Switches User Manual
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Configuration procedure
1.
Configure the IP address and subnet mask for each interface as shown in
shown.)
2.
Enable OSPF on the switches in the PIM-DM domain to make sure the network-layer is
interoperable among the switches in the PIM-DM domain and routing information among the
switches can be dynamically updated. (Details not shown.)
3.
Enable IP multicast routing, and enable PIM-DM and IGMP:
# Enable IP multicast routing on Switch B, enable PIM-DM on each interface, and enable IGMP on
VLAN-interface 100.
<SwitchB> system-view
[SwitchB] multicast routing-enable
[SwitchB] interface vlan-interface 100
[SwitchB-Vlan-interface100] igmp enable
[SwitchB-Vlan-interface100] pim dm
[SwitchB-Vlan-interface100] quit
[SwitchB] interface vlan-interface 101
[SwitchB-Vlan-interface101] pim dm
[SwitchB-Vlan-interface101] quit
[SwitchB] interface vlan-interface 102
[SwitchB-Vlan-interface102] pim dm
[SwitchB-Vlan-interface102] quit
# Enable IP multicast routing on Switch A, and enable PIM-DM on each interface.
<SwitchA> system-view
[SwitchA] multicast routing-enable
[SwitchA] interface vlan-interface 200
[SwitchA-Vlan-interface200] pim dm
[SwitchA-Vlan-interface200] quit
[SwitchA] interface vlan-interface 102
[SwitchA-Vlan-interface102] pim dm
[SwitchA-Vlan-interface102] quit
[SwitchA] interface vlan-interface 103
[SwitchA-Vlan-interface103] pim dm
[SwitchA-Vlan-interface103] quit
# Enable IP multicast routing and enable PIM-DM on Switch C in the same way. (Details not
shown.)
# Use the display multicast rpf-info command to view the RPF route to Source on Switch B.
[SwitchB] display multicast rpf-info 50.1.1.100
RPF information about source 50.1.1.100:
RPF interface: Vlan-interface102, RPF neighbor: 30.1.1.2
Referenced route/mask: 50.1.1.0/24
Referenced route type: igp
Route selection rule: preference-preferred
Load splitting rule: disable
The output shows that the current RPF route on Switch B is contributed by a unicast routing protocol
and the RPF neighbor is Switch A.
4.
Configure a static multicast route on Switch B, specifying Switch C as its RPF neighbor on the route
to Source.