213
[ASBR-PE1] bgp 100
[ASBR-PE1-bgp] ip vpn-instance vpn1
[ASBR-PE1-bgp-vpn1] peer 192.1.1.2 as-number 200
[ASBR-PE1-bgp-vpn1] address-family ipv4 unicast
[ASBR-PE1-bgp-ipv4-vpn1] peer 192.1.1.2 enable
[ASBR-PE1-bgp-ipv4-vpn1] quit
[ASBR-PE1-bgp-vpn1] quit
[ASBR-PE1-bgp] peer 1.1.1.9 as-number 100
[ASBR-PE1-bgp] peer 1.1.1.9 connect-interface loopback 0
[ASBR-PE1-bgp] address-family vpnv4
[ASBR-PE1-bgp-vpnv4] peer 1.1.1.9 enable
[ASBR-PE1-bgp-vpnv4] peer 1.1.1.9 next-hop-local
[ASBR-PE1-bgp-vpnv4] quit
[ASBR-PE1-bgp] quit
# Configure ASBR-PE 2.
[ASBR-PE2] bgp 200
[ASBR-PE2-bgp] ip vpn-instance vpn1
[ASBR-PE2-bgp-vpn1] peer 192.1.1.1 as-number 100
[ASBR-PE2-bgp-vpn1] address-family ipv4 unicast
[ASBR-PE2-bgp-ipv4-vpn1] peer 192.1.1.1 enable
[ASBR-PE2-bgp-ipv4-vpn1] quit
[ASBR-PE2-bgp-vpn1] quit
[ASBR-PE2-bgp] peer 4.4.4.9 as-number 200
[ASBR-PE2-bgp] peer 4.4.4.9 connect-interface loopback 0
[ASBR-PE2-bgp] address-family vpnv4
[ASBR-PE2-bgp-vpnv4] peer 4.4.4.9 enable
[ASBR-PE2-bgp-vpnv4] peer 4.4.4.9 next-hop-local
[ASBR-PE2-bgp-vpnv4] quit
[ASBR-PE2-bgp] quit
# Configure PE 2.
[PE2] bgp 200
[PE2-bgp] peer 3.3.3.9 as-number 200
[PE2-bgp] peer 3.3.3.9 connect-interface loopback 0
[PE2-bgp] address-family vpnv4
[PE2-bgp-vpnv4] peer 3.3.3.9 enable
[PE2-bgp-vpnv4] peer 3.3.3.9 next-hop-local
[PE2-bgp-vpnv4] quit
[PE2-bgp] quit
Verifying the configuration
# Verify that the CEs can learn the interface routes from each other and ping each other. (Details not
shown.)
Configuring MPLS L3VPN inter-AS option B
Network requirements
Site 1 and Site 2 belong to the same VPN. CE 1 of Site 1 accesses the network through PE 1 in AS
100, and CE 2 of Site 2 accesses the network through PE 2 in AS 600. PEs in the same AS run IS-IS.
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