Configuring vpn instances – H3C Technologies H3C S12500-X Series Switches User Manual
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[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] import-route direct
[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] import-route direct
[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.
[ASBR-PE1] bgp 100
[ASBR-PE1-bgp] ip vpn-instance vpn1
[ASBR-PE1-bgp-vpn1] peer 192.1.1.2 as-number 200
[ASBR-PE2-bgp-vpn1] address-family ipv4 unicast
[ASBR-PE2-bgp-ipv4-vpn1] peer 192.1.1.2 enable
[ASBR-PE2-bgp-ipv4-vpn1] quit
[ASBR-PE1-bgp-vpn1] quit
[ASBR-PE1-bgp] peer 1.1.1.9 as-number 100