233 
[SwitchC-Vlan-interface102] quit 
[SwitchC] interface vlan-interface 200 
[SwitchC-Vlan-interface200] igmp enable 
[SwitchC-Vlan-interface200] pim sm 
[SwitchC-Vlan-interface200] quit 
[SwitchC] interface vlan-interface 104 
[SwitchC-Vlan-interface104] pim sm 
[SwitchC-Vlan-interface104] quit 
# Enable IP multicast routing, PIM-SM and IGMP on Switch A, Switch B, Switch D, Switch E, Switch 
F, and Switch G in the same way. (Details not shown.) 
# Configure PIM domain borders on Switch B.  
[SwitchB] interface vlan-interface 103 
[SwitchB-Vlan-interface103] pim bsr-boundary 
[SwitchB-Vlan-interface103] quit 
# Configure PIM domain borders on Switch C, Switch D, and Switch F in the same way. (Details 
not shown.) 
4.  Configure C-BSRs and C-RPs: 
# Configure Loopback 0 as a C-BSR and a C-RP on Switch A.  
[SwitchA] pim 
[SwitchA-pim] c-bsr loopback 0 
[SwitchA-pim] c-rp loopback 0 
[SwitchA-pim] quit 
Configure C-BSRs and C-RPs on Switch D and Switch G in the same way. (Details not shown.) 
5.  Configure BGP, and redistribute BGP routing information into OSPF, and OSPF routing 
information into BGP: 
# Configure the EBGP peer, and redistribute OSPF routing information on Switch B.  
[SwitchB] bgp 100 
[SwitchB-bgp] router-id 1.1.1.2 
[SwitchB-bgp] peer 10.110.3.2 as-number 200 
[SwitchB-bgp] import-route ospf 1 
[SwitchB-bgp] quit 
# Configure the EBGP peer, and redistribute OSPF routing information on Switch D.  
[SwitchD] bgp 200 
[SwitchD-bgp] router-id 2.2.2.2 
[SwitchD-bgp] peer 10.110.3.1 as-number 100 
[SwitchD-bgp] import-route ospf 1 
[SwitchD-bgp] quit 
# Configure the EBGP peer, and redistribute OSPF routing information on Switch C. 
[SwitchC] bgp 100 
[SwitchC-bgp] router-id 1.1.1.3 
[SwitchC-bgp] peer 10.110.4.2 as-number 200 
[SwitchC-bgp] import-route ospf 1 
[SwitchC-bgp] quit 
# Configure the EBGP peer, and redistribute OSPF routing information on Switch F.