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# Assign an IP address to Loopback 1, and enable PIM-SM on this interface.
[PE3] interface loopback 1
[PE3-LoopBack1] ip address 1.1.1.3 32
[PE3-LoopBack1] pim sm
[PE3-LoopBack1] quit
# Assign an IP address to Loopback 2, and enable PIM-SM on this interface.
[PE3] interface loopback 2
[PE3-LoopBack2] ip address 22.22.22.22 32
[PE3-LoopBack2] pim sm
[PE3-LoopBack2] quit
# Configure Loopback 2 as a C-BSR and a C-RP for the public network instance.
[PE3] pim
[PE3-pim] c-bsr 22.22.22.22
[PE3-pim] c-rp 22.22.22.22
[PE3-pim] quit
# Configure a BSR message boundary.
[PE3] interface vlan-interface 3
[PE3-Vlan-interface3] pim bsr-boundary
[PE3-Vlan-interface3] quit
# Establish an MSDP peering relationship.
[PE3] msdp
[PE3-msdp] encap-data-enable
[PE3-msdp] peer 1.1.1.2 connect-interface loopback 1
# Configure a static route.
[PE3] ip route-static 1.1.1.2 32 vlan-interface 3 192.168.1.1
# Configure BGP.
[PE3] bgp 200
[PE3-bgp] group pe3-pe4 internal
[PE3-bgp] peer pe3-pe4 connect-interface loopback 1
[PE3-bgp] peer 1.1.1.4 group pe3-pe4
[PE3-bgp] group pe3-pe2 external
[PE3-bgp] peer pe3-pe2 as-number 100
[PE3-bgp] peer pe3-pe2 connect-interface loopback 1
[PE3-bgp] peer 1.1.1.2 group pe3-pe2
[PE3-bgp] address-family ipv4
[PE3-bgp-ipv4] peer pe3-pe4 enable
[PE3-bgp-ipv4] peer pe3-pe4 route-policy map2 export
[PE3-bgp-ipv4] peer pe3-pe4 label-route-capability
[PE3-bgp-ipv4] peer pe3-pe2 enable
[PE3-bgp-ipv4] peer pe3-pe2 route-policy map1 export
[PE3-bgp-ipv4] peer pe3-pe2 label-route-capability
[PE3-bgp-ipv4] import-route ospf 1
[PE3-bgp-ipv4] quit
[PE3–bgp] quit
# Configure OSPF.
[PE3] ospf 1
[PE3-ospf-1] area 0.0.0.0
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