H3C Technologies H3C S12500-X Series Switches User Manual
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# Configure PE 3.
[PE3] ip vpn-instance SUB_VPN1
[PE3-vpn-instance-SUB_VPN1] route-distinguisher 100:1
[PE3-vpn-instance-SUB_VPN1] vpn-target 2:1
[PE3-vpn-instance-SUB_VPN1] quit
[PE3] interface vlan-interface 1
[PE3-Vlan-interface1] ip binding vpn-instance SUB_VPN1
[PE3-Vlan-interface1] ip address 100.1.1.2 24
[PE3-Vlan-interface1] quit
[PE3] ip vpn-instance SUB_VPN2
[PE3-vpn-instance-SUB_VPN2] route-distinguisher 101:1
[PE3-vpn-instance-SUB_VPN2] vpn-target 2:2
[PE3-vpn-instance-SUB_VPN2] quit
[PE3] interface vlan-interface 3
[PE3-Vlan-interface3] ip binding vpn-instance SUB_VPN2
[PE3-Vlan-interface3] ip address 110.1.1.2 24
[PE3-Vlan-interface3] quit
[PE3] bgp 200
[PE3-bgp] ip vpn-instance SUB_VPN1
[PE3-bgp-SUB_VPN1] peer 100.1.1.1 as-number 65410
[PE3-bgp-SUB_VPN1] address-family ipv4 unicast
[PE3-bgp-ipv4-SUB_VPN1] peer 100.1.1.1 enable
[PE3-bgp-ipv4-SUB_VPN1] import-route direct
[PE3-bgp-ipv4-SUB_VPN1] quit
[PE3-bgp-SUB_VPN1] quit
[PE3-bgp] ip vpn-instance SUB_VPN2
[PE3-bgp-SUB_VPN2] peer 100.1.1.1 as-number 65411
[PE3-bgp-SUB_VPN2] address-family ipv4 unicast
[PE3-bgp-ipv4-SUB_VPN2] peer 110.1.1.1 enable
[PE3-bgp-ipv4-SUB_VPN2] import-route direct
[PE3-bgp-ipv4-SUB_VPN2] quit
[PE3-bgp-SUB_VPN2] quit
[PE3-bgp] quit
# Configure PE 4, CE 4, and CE 6 in the same way that PE 3, CE 3, and CE 5 are configured.
(Details not shown.)
5.
Establish MP-EBGP peer relationships between service provider PEs and their CEs to exchange
user VPNv4 routes:
# On PE 1, enable nested VPN and VPNv4 route exchange with CE 1.
[PE1] bgp 100
[PE1-bgp] address-family vpnv4
[PE1-bgp-vpnv4] nesting-vpn
[PE1-bgp-vpnv4] quit
[PE1-bgp] ip vpn-instance vpn1
[PE1-bgp-vpn1] address-family vpnv4
[PE1-bgp-vpnv4-vpn1] peer 11.1.1.1 enable
[PE1-bgp-vpnv4-vpn1] quit
[PE1-bgp-vpn1] quit
[PE1-bgp] quit