mpls 实验拓扑，详细实验步骤

<PE2> <PE2>dis cu # sysname PE2 # undo info-center enable # ip vpn-instance vpna ipv4-family route-distinguisher 100:1 vpn-target 1:1 export-extcommunity vpn-target 1:1 import-extcommunity # mpls lsr-id 10.1.4.4 mpls # mpls ldp # # aaa authentication-scheme default authorization-scheme default accounting-scheme default domain default domain default_admin local-user admin password cipher OOCM4m($F4ajUn1vMEIBNUw# local-user admin service-type http # firewall zone Local priority 16 # interface Ethernet0/0/0 ip binding vpn-instance vpna ip address 172.16.2.5 255.255.255.0 # interface Ethernet0/0/1 # interface Serial0/0/0 link-protocol ppp # interface Serial0/0/1 link-protocol ppp # interface Serial0/0/2 link-protocol ppp # interface Serial0/0/3 link-protocol ppp # interface GigabitEthernet0/0/0 ip address 10.1.45.5 255.255.255.0 mpls mpls ldp # interface GigabitEthernet0/0/1 # interface GigabitEthernet0/0/2 # interface GigabitEthernet0/0/3 # wlan # interface NULL0 # interface LoopBack0 ip address 10.1.4.4 255.255.255.255 # bgp 100 peer 10.1.1.1 as-number 100 peer 10.1.1.1 connect-interface LoopBack0 # ipv4-family unicast undo synchronization peer 10.1.1.1 enable # ipv4-family vpnv4 policy vpn-target peer 10.1.1.1 enable # ipv4-family vpn-instance vpna import-route ospf 2 # ospf 1 router-id 10.1.4.4 area 0.0.0.0 network 10.1.0.0 0.0.255.255 # ospf 2 vpn-instance vpna area 0.0.0.0 network 172.16.2.0 0.0.0.255 # user-interface con 0 user-interface vty 0 4 user-interface vty 16 20 # return <PE2>