3Com Switch 8800 Family Configuration Guide

592 CHAPTER 49: BGP/MPLS VPN CONFIGURATION
[cust_pe2-Vlan-interface410] mpls
[cust_pe2-Vlan-interface410] quit
3 Configure EBGP between provider PE and customer PE.
# Configure prov_pe1 to access the corresponding Customer PE.
[prov_pe1] route-policy comm permit node 10
[prov_pe1-route-policy-comm-10] if-match vpn-target 1:1
[prov_pe1-route-policy-comm-10] quit
[prov_pe1] bgp 100
[prov_pe1-bgp] ipv4-family vpn-instance customer_vpn
[prov_pe1-bgp-af-vpn-instance] group ebgp external
[prov_pe1-bgp-af-vpn-instance] undo peer ebgp enable
[prov_pe1-bgp-af-vpn-instance] peer 1.1.1.1 group ebgp as-number 600
[prov_pe1-bgp] ipv4-family vpnv4
[prov_pe1-bgp-af-vpn] nesting-vpn
[prov_pe1-bgp-af-vpn] peer ebgp vpn-instance customer_vpn enable
[prov_pe1-bgp-af-vpn] peer 1.1.1.1 vpn-instance customer_vpn group ebgp
[prov_pe1-bgp-af-vpn] peer 1.1.1.1 vpn-instance customer_vpn route-policy
comm import
[prov_pe1-bgp-af-vpn] quit
# Configure prov_pe1 to access CE5
[prov_pe1-bgp] ipv4-family vpn-instance vpn1
[prov_pe1-bgp-af-vpn-instance] group ebgp external
[prov_pe1-bgp-af-vpn-instance] peer 18.1.1.2 group ebgp as-number 50003
# Configure prov_pe2 to access the corresponding Customer PE.
[prov_pe2] route-policy com2 permit node 10
[prov_pe2-route-policy-com2-10] if-match vpn-target 1:1
[prov_pe2-route-policy-com2-10] quit
[prov_pe2] bgp 100
[prov_pe2-bgp] ipv4-family vpn-instance customer_vpn
[prov_pe2-bgp-af-vpn-instance] group ebgp external
[prov_pe2-bgp-af-vpn-instance] undo peer ebgp enable
[prov_pe2-bgp-af-vpn-instance] peer 2.1.1.1 group ebgp as-number 500
[prov_pe2-bgp] ipv4-family vpnv4
[prov_pe2-bgp-af-vpn] nesting-vpn
[prov_pe2-bgp-af-vpn] peer ebgp vpn-instance customer_vpn enable
[prov_pe2-bgp-af-vpn] peer 2.1.1.1 vpn-instance customer_vpn group ebgp
[prov_pe2-bgp-af-vpn] peer 2.1.1.1 vpn-instance customer_vpn route-policy
com2 import
# Configure cust_pe1
[cust_pe1] bgp 600
[cust_pe1-bgp] group ebgp external
[cust_pe1-bgp] undo peer ebgp enable
[cust_pe1-bgp] peer 1.1.1.2 group ebgp as-number 100
[cust_pe1-bgp] ipv4-family vpnv4
[cust_pe1-bgp-af-vpn] peer ebgp enable
[cust_pe1-bgp-af-vpn] peer 1.1.1.2 group ebgp
# Configure cust_pe2
[cust_pe2] bgp 500
[cust_pe2-bgp] group ebgp external
[cust_pe2-bgp] undo peer ebgp enable
[cust_pe2-bgp] peer 2.1.1.2 group ebgp as-number 100