3Com Switch 8800 Configuration Guide Chapter 37 BGP/MPLS VPN Configuration37-85[CE] vlan 203[CE-vlan203] port gigabitethernet 2/1/3[CE-vlan203] quit[CE] interface Vlan-interface 203[CE-Vlan-interface203] ip binding vpn-instance vpn2[CE-Vlan-interface203] ip address 20.1.1.2 255.255.255.0Configure VLAN204[CE] vlan 204[CE-vlan204] port gigabitethernet 2/1/4[CE-vlan204] quit[CE] interface Vlan-interface 204[CE-Vlan-interface204] ip binding vpn-instance vpn2[CE-Vlan-interface204] ip address 20.2.1.2 255.255.255.0Configure ospf 100[CE] ospf 100 vpn-instance vpn1[CE-ospf-100] vpn-instance-capability simple[CE-ospf-100] area 0.0.0.0[CE-ospf-100-area-0.0.0.0] network 10.1.1.0 0.0.0.255[CE-ospf-100-area-0.0.0.0] network 10.2.1.0 0.0.0.255Configure ospf 300[CE] ospf 300 vpn-instance vpn2[CE-ospf-300] vpn-instance-capability simple[CE-ospf-300] area 0.0.0.1[CE-ospf-300-area-0.0.0.1] network 20.1.1.0 0.0.0.255[CE-ospf-300-area-0.0.0.1] network 20.2.1.0 0.0.0.25537.4.12 Multi-Role Host Configuration ExampleI. Network requirementsCE1 and CE3 belong to VPN1, and CE2 belong to VPN2.The host PC2 with the IP address of 172.16.0.1 accesses the network through CE2. Asa multi-role host, it can access both VPN1 and VPN2.
