564 CHAPTER 49: BGP/MPLS VPN CONFIGURATION
# Set up EBGP adjacency between PE2 and CE2, import intra-CE2 VPN routes
learned into MBGP VPN-instance address family.
[PE2] bgp 100
[PE2-bgp] ipv4-family vpn-instance vpn-instance1
[PE2-bgp-af-vpn-instance] import-route static
[PE2-bgp-af-vpn-instance] import-route direct
[PE2-bgp-af-vpn-instance] group 172 external
[PE2-bgp-af-vpn-instance] peer 172.15.1.1 group 172 as-number 65003
[PE2-bgp-af-vpn-instance] quit
[PE2-bgp] quit
# Bind the interface of the VLAN to which the port connecting PE2 and CE2
belongs to VPN-instance.
[PE2] vlan 201
[PE2-vlan201] port gigabitethernet 2/1/1
[PE2-vlan201] quit
[PE2] interface Vlan-interface 201
[PE2-Vlan-interface201] ip binding vpn-instance vpn-instance1
[PE2-Vlan-interface201] ip address 172.15.0.1 255.255.0.0
[PE2-Vlan-interface201] quit
# Configure Loopback interface
[PE2] interface loopback 0
[PE2-LoopBack0] ip address 22.1.1.1 255.255.255.255
[PE2-LoopBack0] quit
# Set up MP-IBGP adjacency between PE2 and PE1 to exchange inter-PE VPN
routing information and activate MP-IBGP peer in VPNv4 sub-address family view.
[PE2] bgp 100
[PE2] group 11
[PE2-bgp] peer 11.1.1.1 group 11 as-number 100
[PE2-bgp] peer 11.1.1.1 connect-interface loopback 0
[PE2-bgp] ipv4-family vpnv4
[PE2-bgp-af-vpn] peer 11 enable
[PE2-bgp-af-vpn] peer 11.1.1.1 allow-as-loop 1
[PE2-bgp-af-vpn] quit
[PE2-bgp] quit
3 Configure PE3
# Create a VPN-instance on PE3, import VPN routing information of VPN-target
100:2 and advertise VPN routing information of VPN-target 100:12.
[PE3] ip vpn-instance vpn-instance2
[PE3-vpn-vpn-instance2] route-distinguisher 100:4
[PE3-vpn-vpn-instance2] vpn-target 100:12 export-extcommunity
[PE3-vpn-vpn-instance2] vpn-target 100:2 import-extcommunity
[PE3-vpn-vpn-instance2] quit
# Set up EBGP adjacency between PE3 and CE3 import intra-CE3 VPN routes
learned into MBGP VPN-instance address family.
[PE3] bgp 100
[PE3-bgp] ipv4-family vpn-instance vpn-instance2
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