H3C Technologies H3C S6800 Series Switches - Manual (Page 247)

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[PE2-bgp] peer 4.4.4.9 connect-interface loopback 0
[PE2-bgp] address-family ipv4 unicast
[PE2-bgp-ipv4] peer 4.4.4.9 enable
[PE2-bgp-ipv4] peer 4.4.4.9 label-route-capability
[PE2-bgp-ipv4] quit
# Configure the maximum hop count from PE 2 to EBGP peer 2.2.2.9 as 10.
[PE2-bgp] peer 2.2.2.9 as-number 100
[PE2-bgp] peer 2.2.2.9 connect-interface loopback 0
[PE2-bgp] peer 2.2.2.9 ebgp-max-hop 10
# Configure peer 2.2.2.9 as a VPNv4 peer.
[PE2-bgp] address-family vpnv4
[PE2-bgp-vpnv4] peer 2.2.2.9 enable
[PE2-bgp-vpnv4] quit
# Configure 20.0.0.2 as an EBGP peer, and redistribute BGP routes to the routing table of vpn1.
[PE2-bgp] ip vpn-instance vpn1
[PE2-bgp-vpn1] peer 20.0.0.2 as-number 65002
[PE2-bgp-vpn1] address-family ipv4 unicast
[PE2-bgp-ipv4-vpn1] peer 20.0.0.2 enable
[PE2-bgp-ipv4-vpn1] quit
[PE2-bgp-vpn1] quit
[PE2-bgp] quit
6. Configure CE 2:
# Configure an IP address for VLAN-interface 12.
system-view
[CE2] interface vlan-interface 12
[CE2-Vlan-interface12] ip address 20.0.0.2 24
[CE2-Vlan-interface12] quit
# Configure 20.0.0.1 as an EBGP peer, and redistribute direct routes.
[CE2] bgp 65002
[CE2-bgp] peer 20.0.0.1 as-number 600
[CE2-bgp] address-family ipv4 unicast
[CE2-bgp-ipv4] peer 20.0.0.1 enable
[CE2-bgp-ipv4] import-route direct
[CE2-bgp-ipv4] quit
[CE2-bgp] quit
Verifying the configuration
# Execute the display ip routing-table command on CE 1 and CE 2 to verify that CE 1 and CE 2 can ping
each other. (Details not shown.)
Configuring MPLS L3VPN carrier's carrier
Network requirements
Configure carrier's carrier for the scenario shown in Figure 67 . In this scenario:
• PE 1 and PE 2 are the provider carrier's PE switches. They provide VPN services for the customer
carrier.