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Configuration procedure
1. Assign an IP address and subnet mask to each interface according to Figure 53. (Details not
shown.)
2. Configure OSPF on the switches to meet the following requirements: (Details not shown.)
{ The switches in each AS are interoperable at the network layer.
{ The switches can dynamically update routing information.
3. Enable IP multicast routing, enable PIM-SM on each interface, and configure a PIM-SM domain
border:
# On Switch A, enable IP multicast routing.
<SwitchA> system-view
[SwitchA] multicast routing
[SwitchA-mrib] quit
# Enable PIM-SM on VLAN-interface 103 and VLAN-interface 100.
[SwitchA] interface vlan-interface 103
[SwitchA-Vlan-interface103] pim sm
[SwitchA-Vlan-interface103] quit
[SwitchA] interface vlan-interface 100
[SwitchA-Vlan-interface100] pim sm
[SwitchA-Vlan-interface100] quit
# Enable IGMP on VLAN-interface 200 (the interface that connects to the receiver host).
[SwitchA] interface vlan-interface 200
[SwitchA-Vlan-interface200] igmp enable
[SwitchA-Vlan-interface200] quit
# Enable IP multicast routing and PIM-SM on Switch B, Switch C, Switch D, Switch E, and Switch
F in the same way Switch A is configured. (Details not shown.)
# Configure a PIM domain border on Switch B.
[SwitchB] interface vlan-interface 101
[SwitchB-Vlan-interface101] pim bsr-boundary
[SwitchB-Vlan-interface101] quit
# Configure a PIM domain border on Switch C and Switch E in the same way Switch B is
configured. (Details not shown.)
4. Configure C-BSRs and C-RPs:
# Configure Loopback 0 as a C-BSR and a C-RP on Switch B.
[SwitchB] pim
[SwitchB-pim] c-bsr 1.1.1.1
[SwitchB-pim] c-rp 1.1.1.1
[SwitchB-pim] quit
# Configure C-BSRs and C-RPs on Switch C and Switch E in the same way Switch B is configured.
(Details not shown.)
5. Configure BGP for mutual route redistribution between BGP and OSPF:
# On Switch B, configure an eBGP peer, and redistribute OSPF routes.
[SwitchB] bgp 100
[SwitchB-bgp] router-id 1.1.1.1
[SwitchB-bgp] peer 192.168.1.2 as-number 200
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