H3C Technologies H3C S7500E Series Switches - Manual (Page 304)

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[CE3-Vlan-interface11] ip address 100.1.1.1 24
[CE3-Vlan-interface11] quit
[CE3] bgp 65410
[CE3-bgp] peer 100.1.1.2 as-number 100
[CE3-bgp] import-route direct
[CE3-bgp] quit
# Configure PE 3.
[PE3] ip vpn-instance vpn1
[PE3-vpn-instance-vpn1] route-distinguisher 100:1
[PE3-vpn-instance-vpn1] vpn-target 1:1
[PE3-vpn-instance-vpn1] quit
[PE3] interface vlan-interface 11
[PE3-Vlan-interface11] ip binding vpn-instance vpn1
[PE3-Vlan-interface11] ip address 100.1.1.2 24
[PE3-Vlan-interface11] quit
[PE3] bgp 100
[PE3-bgp] ipv4-family vpn-instance vpn1
[PE3-bgp-vpn1] peer 100.1.1.1 as-number 65410
[PE3-bgp-vpn1] import-route direct
[PE3-bgp-vpn1] quit
[PE3-bgp] quit
The configurations for PE 4 and CE 4 are similar to those for PE 3 and CE 3. The detailed
configuration steps are omitted.
5) Configure MP-IBGP peer relationship between PEs of the Level 2 carrier to exchange the VPN
routes of the Level 2 carrier customers
# Configure PE 3.
[PE3] bgp 100
[PE3-bgp] peer 6.6.6.9 as-number 100
[PE3-bgp] peer 6.6.6.9 connect-interface loopback 0
[PE3-bgp] ipv4-family vpnv4
[PE3-bgp-af-vpnv4] peer 6.6.6.9 enable
[PE3-bgp-af-vpnv4] quit
[PE3-bgp] quit
The configurations for PE 4 are similar to those for PE 3. The detailed configuration steps are omitted.
6) Verify your configurations