H3C Technologies H3C S10500 Series Switches User Manual

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[ASBR-PE1-Vlan-interface12] ip binding vpn-instance vpn1

[ASBR-PE1-Vlan-interface12] ip address 192.1.1.1 24

[ASBR-PE1-Vlan-interface12] quit

# Configure ASBR PE 2, creating a VPN instance and binding the instance to the interface connected
with ASBR PE 1. (ASBR PE 2 considers ASBR PE 1 its CE.)

[ASBR-PE2] ip vpn-instance vpn1

[ASBR-PE2-vpn-vpn-vpn1] route-distinguisher 200:1

[ASBR-PE2-vpn-vpn-vpn1] vpn-target 100:1 both

[ASBR-PE2-vpn-vpn-vpn1] quit

[ASBR-PE2] interface vlan-interface 12

[ASBR-PE2-Vlan-interface12] ip binding vpn-instance vpn1

[ASBR-PE2-Vlan-interface12] ip address 192.1.1.2 24

[ASBR-PE2-Vlan-interface12] quit

After completing the configurations, you can view the VPN instance configurations by issuing the display
ip vpn-instance command.
The PEs can ping the CEs and the ASBR PEs can ping each other.

Establish eBGP peer relationships between PEs and CEs to allow VPN routes to be redistributed

# Configure CE 1.

[CE1] bgp 65001

[CE1-bgp] peer 10.1.1.2 as-number 100

[CE1-bgp] import-route direct

[CE1-bgp] quit

# Configure PE 1.

[PE1] bgp 100

[PE1-bgp] ipv4-family vpn-instance vpn1

[PE1-bgp-vpn1] peer 10.1.1.1 as-number 65001

[PE1-bgp-vpn1] import-route direct

[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] import-route direct

[CE2-bgp] quit

# Configure PE 2.

[PE2] bgp 200

[PE2-bgp] ipv4-family vpn-instance vpn1

[PE2-bgp-vpn1] peer 10.2.1.1 as-number 65002

[PE2-bgp-vpn1] import-route direct

[PE2-bgp-vpn1] quit

[PE2-bgp] quit

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