实验要求：
拓扑图
路由、IP配置
r1:
<Huawei>sys
[Huawei]sys r1
[r1]int lo0
[r1-LoopBack0]ip add 192.168.1.1 24
[r1-LoopBack0]int g 0/0/0
[r1-GigabitEthernet0/0/0]ip add 192.168.2.1 30
[r1]ip route-static 192.168.3.0 30 192.168.2.2
[r1]ip route-static 192.168.4.0 24 192.168.2.2
r2:
[Huawei]sys r2
[r2-GigabitEthernet0/0/1]int g 0/0/0
[r2-GigabitEthernet0/0/0]ip add 23.1.1.1 30
[r2-GigabitEthernet0/0/1]int lo0
[r2-LoopBack0]ip add 2.2.2.2 24
[r2]ospf 1 rout 2.2.2.2
[r2-ospf-1]ar 0
[r2-ospf-1-area-0.0.0.0]net 2.2.2.2 0.0.0.0
[r2-ospf-1-area-0.0.0.0]network 23.1.1.1 0.0.0.0
[r2]mpls lsr-id 2.2.2.2
[r2]mpls
[r2-mpls]mpls ldp
[r2-mpls-ldp]q
[r2]int g 0/0/0
[r2-GigabitEthernet0/0/0]mpls
[r2-GigabitEthernet0/0/0]mpls ldp
[r2]ip vpn-instance B1
[r2-vpn-instance-B1]ipv4-family
[r2-vpn-instance-B1-af-ipv4]route-distinguisher 1:1
[r2-vpn-instance-B1-af-ipv4]vpn-target 1:1
[r2-vpn-instance-B1-af-ipv4]int g 0/0/1
[r2-GigabitEthernet0/0/1]ip binding vpn-instance B1
[r2-GigabitEthernet0/0/1]ip add 192.168.2.2 30
[r2]ip vpn-instance A1
[r2-vpn-instance-A1]ipv4-family
[r2-vpn-instance-A1-af-ipv4]route-distinguisher 2:2
[r2-vpn-instance-A1-af-ipv4]vpn-target 2:2
[r2-vpn-instance-A1-af-ipv4]int g 0/0/2
[r2-GigabitEthernet0/0/2]ip binding vpn-instance A1
[r2-GigabitEthernet0/0/2]ip add 192.168.2.2 30
[r2]bgp 1
[r2-bgp]router-id 2.2.2.2
[r2-bgp]peer 4.4.4.4 as-number 1
[r2-bgp]peer 4.4.4.4 connect-interface LoopBack 0
[r2-bgp]ipv4-family vpnv4
[r2-bgp-af-vpnv4]peer 4.4.4.4 enable
[r2-bgp]peer 4.4.4.4 next-hop-local
[r2]rip 1 vpn
[r2]rip 1 vpn-instance A1
[r2-rip-1]ver 2
[r2-rip-1]network 192.168.2.0
[r2]bgp 1
[r2-bgp]ipv4-family vpn-instance A1
[r2-bgp-A1]import-route rip 1
[r2]rip 1 vpn-instance A1
[r2-rip-1]import-route bgp
[r2]ip route-static vpn-instance B1 192.168.1.0 24 192.168.2.1
[r2]bgp 1
[r2-bgp]ipv4-family vpn-instance B1
[r2-bgp-B1]import-route direct
[r2-bgp-B1]import-route static
r3:
<Huawei>sys
[Huawei]sys r3
[r3]int lo0
[r3-LoopBack0]ip add 3.3.3.3 24
[r3-LoopBack0]int g 0/0/1
[r3-GigabitEthernet0/0/1]ip add 23.1.1.2 30
[r3-GigabitEthernet0/0/1]int g 0/0/0
[r3-GigabitEthernet0/0/0]ip add 34.1.1.1 30
[r3]ospf 1 router-id 3.3.3.3
[r3-ospf-1]area 0
[r3-ospf-1-area-0.0.0.0]network 3.3.3.3 0.0.0.0
[r3-ospf-1-area-0.0.0.0]network 23.1.1.2 0.0.0.0
[r3-ospf-1-area-0.0.0.0]network 34.1.1.1 0.0.0.0
[r3]mpls lsr-id 3.3.3.3
[r3]mpls
[r3-mpls]mpls ldp
[r3-mpls-ldp]q
[r3]int g 0/0/1
[r3-GigabitEthernet0/0/1]mpls
[r3-GigabitEthernet0/0/1]mpls ldp
[r3-GigabitEthernet0/0/1]int g 0/0/0
[r3-GigabitEthernet0/0/0]mpls
[r3-GigabitEthernet0/0/0]mpls ldp
r4:
[Huawei]sys r4
[r4]int lo0
[r4-LoopBack0]ip add 4.4.4.4 24
[r4-LoopBack0]int g 0/0/1
[r4-GigabitEthernet0/0/1]ip add 34.1.1.2 30
[r4-GigabitEthernet0/0/1]int g 0/0/2
[r4-GigabitEthernet0/0/2]ip add 47.1.1.2 30
[r4]ospf 1 router-id 4.4.4.4
[r4-ospf-1]ar 0
[r4-ospf-1-area-0.0.0.0]network 34.1.1.2 0.0.0.0
[r4-ospf-1-area-0.0.0.0]network 4.4.4.4 0.0.0.0
[r4-ospf-1-area-0.0.0.0]network 47.1.1.2 0.0.0.0
[r4]mpls lsr-id 4.4.4.4
[r4]mpls
[r4-mpls]mpls ldp
[r4-mpls-ldp]q
[r4]int g 0/0/1
[r4-GigabitEthernet0/0/1]mpls
[r4-GigabitEthernet0/0/1]mpls ldp
[r4]ip vpn-instance B2
[r4-vpn-instance-B2]ipv4-family
[r4-vpn-instance-B2-af-ipv4]route-distinguisher 1:1
[r4-vpn-instance-B2-af-ipv4]vpn-target 1:1
[r4-vpn-instance-B2-af-ipv4]int g 0/0/0
[r4-GigabitEthernet0/0/0]ip binding vpn-instance B2
[r4-GigabitEthernet0/0/0]ip add 192.168.3.2 30
[r4]ip vpn-instance A2
[r4-vpn-instance-A2]ipv4
[r4-vpn-instance-A2]ipv4-family
[r4-vpn-instance-A2-af-ipv4]route-distinguisher 2:2
[r4-vpn-instance-A2-af-ipv4]vpn-target 2:2
[r4-GigabitEthernet0/0/2]int g 4/0/0
[r4-GigabitEthernet4/0/0]ip binding vpn-instance A2
[r4-GigabitEthernet4/0/0]ip add 192.168.3.2 30
[r4]bgp 1
[r4-bgp]router-id 4.4.4.4
[r4-bgp]peer 2.2.2.2 as-number 1
[r4-bgp]peer 2.2.2.2 connect-interface lo 0
[r4-bgp]ipv4-family vpnv4
[r4-bgp-af-vpnv4]peer 2.2.2.2 enable
[r4-bgp]peer 2.2.2.2 next-hop-local
[r4]ospf 2 vpn-instance A2
[r4-ospf-2]ar 1
[r4-ospf-2-area-0.0.0.1]network 192.168.3.2 0.0.0.0
[r4]bgp 1
[r4-bgp]ipv4-family vpn-instance A2
[r4-bgp-A2]import-route ospf 2
[r4]ospf 2 vpn-instance A2
[r4-ospf-2]import-route bgp
[r4]ip route-static vpn-instance B2 192.168.4.0 24 192.168.3.1
[r4]bgp 1
[r4-bgp]ipv4-family vpn-instance B2
[r4-bgp-B2]import-route direct
[r4-bgp-B2]import-route static
r5:
<Huawei>sys
[Huawei]sys r5
[r5]int lo0
[r5-LoopBack0]ip add 192.168.4.1 24
[r5-LoopBack0]int g 0/0/0
[r5-GigabitEthernet0/0/0]ip add 192.168.3.1 30
[r5]ip route-static 192.168.2.0 30 192.168.3.2
[r5]ip route-static 192.168.1.0 24 192.168.3.2
r6:
<Huawei>sys
[Huawei]sys r6
[r6]int lo0
[r6-LoopBack0]ip add 192.168.1.1 24
[r6-LoopBack0]int g 0/0/0
[r6-GigabitEthernet0/0/0]ip add 192.168.2.1 30
[r6]rip 1
[r6-rip-1]version 2
[r6-rip-1]network 192.168.1.0
[r6-rip-1]network 192.168.2.0
r7：
[Huawei]sys r7
[r7]int g 0/0/0
[r7-GigabitEthernet0/0/0]ip add 47.1.1.1 30
[r7-GigabitEthernet0/0/0]int lo0
[r7-LoopBack0]ip add 192.168.4.2 24
[r7-LoopBack0]int g 0/0/1
[r7-GigabitEthernet0/0/1]ip add 192.168.3.1 30
[r7]ospf 2 router-id 7.7.7.7
[r7-ospf-2]area 1
[r7-ospf-2-area-0.0.0.1]network 192.168.4.2 0.0.0.0
[r7-ospf-2-area-0.0.0.1]network 192.168.3.1 0.0.0.0
[r7]ip route-static 0.0.0.0 0 47.1.1.2
[r7]acl 2000
[r7-acl-basic-2000]rule permit source 192.168.4.0 0.0.0.255
[r7-GigabitEthernet0/0/0]nat outbound 2000
部分结果展示
