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4. Establish EBGP peer relationships between PEs and CEs, and redistribute VPN routes into
BGP:
# Configure CE 1.
[CE1] bgp 65001
[CE1-bgp] peer 10.1.1.2 as-number 100
[CE1-bgp] address-family ipv4 unicast
[CE1-bgp-ipv4] peer 10.1.1.2 enable
[CE1-bgp-ipv4] import-route direct
[CE1-bgp-ipv4] quit
[CE1-bgp] quit
# Configure PE 1.
[PE1] bgp 100
[PE1-bgp] ip vpn-instance vpn1
[PE1-bgp-vpn1] peer 10.1.1.1 as-number 65001
[PE1-bgp-vpn1] address-family ipv4 unicast
[PE1-bgp-ipv4-vpn1] peer 10.1.1.1 enable
[PE1-bgp-ipv4-vpn1] quit
[PE1-bgp-vpn1] quit
[PE1-bgp] quit
# Configure CE 2.
[CE2] bgp 65002
[CE2-bgp] peer 10.2.1.2 as-number 200
[CE2-bgp] address-family ipv4 unicast
[CE2-bgp-ipv4] peer 10.2.1.2 enable
[CE2-bgp-ipv4] import-route direct
[CE2-bgp-ipv4] quit
[CE2-bgp] quit
# Configure PE 2.
[PE2] bgp 200
[PE2-bgp] ip vpn-instance vpn1
[PE2-bgp-vpn1] peer 10.2.1.1 as-number 65002
[PE2-bgp-vpn1] address-family ipv4 unicast
[PE2-bgp-ipv4-vpn1] peer 10.2.1.1 enable
[PE2-bgp-ipv4-vpn1] quit
[PE2-bgp-vpn1] quit
[PE2-bgp] quit
5. Establish an MP-IBGP peer relationship between each PE and the ASBR-PE in the same AS,
and an EBGP peer relationship between the ASBR-PEs:
# Configure PE 1.
[PE1] bgp 100
[PE1-bgp] peer 2.2.2.9 as-number 100
[PE1-bgp] peer 2.2.2.9 connect-interface loopback 0
[PE1-bgp] address-family vpnv4
[PE1-bgp-vpnv4] peer 2.2.2.9 enable
[PE1-bgp-vpnv4] peer 2.2.2.9 next-hop-local
[PE1-bgp-vpnv4] quit
[PE1-bgp] quit
# Configure ASBR-PE 1.
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