H3C Technologies H3C S7500E Series Switches - Manual (Page 100)

4-16
Network diagram
Figure 4-5 Network diagram for RPF route alternation configuration
Configuration procedure
1) Configure IP addresses and unicast routing
Configure the IP address and subnet mask for each interface as per Figure 4-5 . The detailed
configuration steps are omitted here.
Enable OSPF on the switches in the PIM-DM domain. Ensure the network-layer interoperation
among the switches in the PIM-DM domain. Ensure that the switches can dynamically update
their routing information by leveraging the unicast routing protocol. The specific configuration
steps are omitted here.
2) 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 the host-side interface VLAN-interface 100.
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.
system-view
[SwitchA] multicast routing-enable