206
# Create the MD for VPN instance b, and specify the default-group, MD source interface, and
data-group address range for the MD.
[PE1] multicast-domain vpn-instance b
[PE1-md-b] default-group 239.4.4.4
[PE1-md-b] source loopback 1
[PE1-md-b] data-group 225.4.4.0 28
[PE1-md-b] quit
# Assign an IP address to the public network interface GigabitEthernet 2/1/1, and enable
PIM-SM, MPLS capability, and LDP capability on the interface.
[PE1] interface gigabitethernet 2/1/1
[PE1-GigabitEthernet2/1/1] ip address 10.10.1.1 24
[PE1-GigabitEthernet2/1/1] pim sm
[PE1-GigabitEthernet2/1/1] mpls enable
[PE1-GigabitEthernet2/1/1] mpls ldp enable
[PE1-GigabitEthernet2/1/1] quit
# Bind GigabitEthernet 2/1/2 with VPN instance a, assign an IP address to GigabitEthernet
2/1/2, and enable PIM-SM on the interface.
[PE1] interface gigabitethernet 2/1/2
[PE1-GigabitEthernet2/1/2] ip binding vpn-instance a
[PE1-GigabitEthernet2/1/2] ip address 10.11.1.1 24
[PE1-GigabitEthernet2/1/2] pim sm
[PE1-GigabitEthernet2/1/2] quit
# Bind GigabitEthernet 2/1/3 with VPN instance b, assign an IP address to GigabitEthernet
2/1/3, and enable PIM-SM on the interface.
[PE1] interface gigabitethernet 2/1/3
[PE1-GigabitEthernet2/1/3] ip binding vpn-instance b
[PE1-GigabitEthernet2/1/3] ip address 10.11.2.1 24
[PE1-GigabitEthernet2/1/3] pim sm
[PE1-GigabitEthernet2/1/3] quit
# Assign an IP address to Loopback 1, and enable PIM-SM on the interface.
[PE1] interface loopback 1
[PE1-LoopBack1] ip address 1.1.1.1 32
[PE1-LoopBack1] pim sm
[PE1-LoopBack1] quit
# Configure BGP.
[PE1] bgp 100
[PE1-bgp] group pe1-pe2 internal
[PE1-bgp] peer pe1-pe2 connect-interface loopback 1
[PE1-bgp] peer 1.1.1.2 group pe1-pe2
[PE1-bgp] group pe1-pe4 external
[PE1-bgp] peer pe1-pe4 as-number 200
[PE1-bgp] peer pe1-pe4 ebgp-max-hop 255
[PE1-bgp] peer pe1-pe4 connect-interface loopback 1
[PE1-bgp] peer 1.1.1.4 group pe1-pe4
[PE1–bgp] ip vpn-instance a
[PE1-bgp-a] address-family ipv4
[PE1-bgp-ipv4-a] import-route ospf 2
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