MPLS实验

实验拓扑如下

 实验要求

 

实验配置

R1

[r1-LoopBack0]ip add 192.168.1.1 24
[r1-GigabitEthernet0/0/0]ip add 192.168.2.1 24
[r1]ip route-static 192.168.3.0 24 192.168.2.2    
[r1]ip route-static 192.168.4.0 24 192.168.2.2

R2

[r2-LoopBack0]ip add 2.2.2.2 24
[r2-GigabitEthernet0/0/1]ip add 23.1.1.1 24
[r2]ospf 1 router-id 2.2.2.2
[r2-ospf-1]area 0
[r2-ospf-1-area-0.0.0.0]network 23.1.1.1 0.0.0.0
[r2-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0
[r2]mpls lsr-id 2.2.2.2
[r2]mpls
Info: Mpls starting, please wait... OK!
[r2-mpls-ldp]int g0/0/1
[r2-GigabitEthernet0/0/1]mpls
[r2-GigabitEthernet0/0/1]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]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]int g0/0/0    
[r2-GigabitEthernet0/0/0]ip binding vpn-instance b1
[r2-GigabitEthernet0/0/0]ip add 192.168.2.2 24

[r2]int g0/0/2    
[r2-GigabitEthernet0/0/2]ip binding vpn-instance a1
[r2-GigabitEthernet0/0/2]ip add 192.168.2.2 24
[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 lo 0    
[r2-bgp]ipv4-family vpnv4    
[r2-bgp-af-vpnv4]peer 4.4.4.4 enable 

[r2]rip 1 vpn-instance a1
[r2-rip-1]ver 2    
[r2-rip-1]network 192.168.2.0
[r2]rip 1 vpn-instance a1
[r2-rip-1]import-route bgp
[r2]
[r2]bgp 1
[r2-bgp]ipv4-family vpn-instance a1
[r2-bgp-a1]import-route rip 1
[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 static 
[r2-bgp-b1]import-route direct 

R3

[r3-LoopBack0]ip add 3.3.3.3 24
[r3-GigabitEthernet0/0/0]ip add 23.1.1.2 24
[r3-GigabitEthernet0/0/1]ip add 34.1.1.1 24
[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
Info: Mpls starting, please wait... OK!
[r3-mpls] mpls ldp
[r3-mpls-ldp]int g0/0/0
[r3-GigabitEthernet0/0/0] mpls
[r3-GigabitEthernet0/0/0] mpls ldp
[r3-GigabitEthernet0/0/0]int g0/0/1
[r3-GigabitEthernet0/0/1] mpls
[r3-GigabitEthernet0/0/1] mpls ldp

R4

[r4-LoopBack0]ip add 4.4.4.4 24
[r4-GigabitEthernet0/0/0]ip add 34.1.1.2 24
[r4-GigabitEthernet4/0/0]ip add 47.1.1.1 24
[r4]ospf 1 router-id 4.4.4.4
[r4-ospf-1]area 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 47.1.1.1 0.0.0.0
[r4-ospf-1]silent-interface g4/0/0
[r4]mpls lsr-id 4.4.4.4
[r4]mpls
Info: Mpls starting, please wait... OK!
[r4-mpls]mpls ldp
[r4-mpls-ldp]int g0/0/0
[r4-GigabitEthernet0/0/0]mpls
[r4-GigabitEthernet0/0/0]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]ip vpn-instance a2    
[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]int g0/0/1    
[r4-GigabitEthernet0/0/1]ip binding vpn-instance b2
[r4-GigabitEthernet0/0/1]ip add 192.168.3.1 24

[r4]int g0/0/2    
[r4-GigabitEthernet0/0/2]ip binding vpn-instance a2
[r4-GigabitEthernet0/0/2]ip add 192.168.3.1 24
[r4]ospf 2 vpn-instance a2
[r4-ospf-2]area 0
[r4-ospf-2-area-0.0.0.0]network 192.168.3.1 0.0.0.0
[r4]bgp 1    
[r4-bgp]ipv4-family  vpn-instance a2    
[r4-bgp-a2]import-route ospf 2
[r4]    
[r4]ospf 2 vpn-instance a2
[r4-ospf-2]import-route bgp
[r4]ip route-static vpn-instance b2 192.168.4.0 24 192.168.3.2
[r4]bgp 1
[r4-bgp]ipv4-family vpn-instance b2    
[r4-bgp-b2]import-route static     
[r4-bgp-b2]import-route direct 
[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 

R5

[r5-LoopBack0]ip add 192.168.4.1 24
[r5-GigabitEthernet0/0/0]ip add 192.168.3.2 24
[r5]ip route-static 192.168.1.0 24 192.168.3.1
[r5]ip route-static 192.168.2.0 24 192.168.3.1

R6

[r6-LoopBack0]ip add 192.168.1.1 24
[r6-GigabitEthernet0/0/0]ip add 192.168.2.1 24
[r6]rip 1
[r6-rip-1]ver 2
[r6-rip-1]network 192.168.2.0    
[r6-rip-1]network 192.168.1.0

R7

[r7-GigabitEthernet0/0/1]ip add 47.1.1.2 24
[r7]ip route-static 0.0.0.0 0 47.1.1.1
[r7-GigabitEthernet0/0/0]ip add 192.168.3.2 24
[r7-LoopBack0]ip add 192.168.4.2 24
[r7]ospf 1 router-id 7.7.7.7
[r7-ospf-1]area 0
[r7-ospf-1-area-0.0.0.0]network 192.168.3.2 0.0.0.0
[r7-ospf-1-area-0.0.0.0]network 192.168.4.2 0.0.0.0