實驗拓撲：

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R1配置：

ip vrf retail
rd 100:100
route-target export 100:100
route-target import 100:100
!
ip vrf trading
rd 100:200
route-target export 100:200
route-target import 100:200
mpls label range 100 199
mpls label protocol ldp
!
interface Loopback0
ip address 1.1.1.1 255.255.255.255
!
interface FastEthernet0/0
ip address 12.1.1.1 255.255.255.0
duplex auto
speed auto
mpls ip
!
interface FastEthernet0/1
no ip address
duplex auto
speed auto
!
interface FastEthernet0/1.100
encapsulation dot1Q 100
ip vrf forwarding retail
ip address 192.168.14.1 255.255.255.0
!
interface FastEthernet0/1.200
encapsulation dot1Q 200
ip vrf forwarding trading
ip address 172.16.14.1 255.255.255.0
!
router ospf 100
router-id 1.1.1.1
log-adjacency-changes
network 1.1.1.1 0.0.0.0 area 0
network 12.1.1.0 0.0.0.255 area 0
!
router rip
version 2
no auto-summary
!
address-family ipv4 vrf trading
redistribute bgp 100 metric transparent
network 172.16.0.0
no auto-summary
exit-address-family
!
address-family ipv4 vrf retail
redistribute bgp 100 metric transparent
network 192.168.14.0
no auto-summary
exit-address-family
!
router bgp 100
bgp router-id 1.1.1.1
no bgp default ipv4-unicast
bgp log-neighbor-changes
neighbor 3.3.3.3 remote-as 100
neighbor 3.3.3.3 update-source Loopback0
!
address-family ***v4
neighbor 3.3.3.3 activate
neighbor 3.3.3.3 send-community extended
exit-address-family
!
address-family ipv4 vrf trading
redistribute rip
no synchronization
exit-address-family
!
address-family ipv4 vrf retail
redistribute rip
no synchronization
exit-address-family
!
mpls ldp router-id Loopback0

R2配置：

mpls label range 200 299

mpls label protocol ldp
interface Loopback0
ip address 2.2.2.2 255.255.255.255
!
interface FastEthernet0/0
ip address 12.1.1.2 255.255.255.0
duplex auto
speed auto
mpls ip
!
interface FastEthernet0/1
ip address 23.1.1.2 255.255.255.0
duplex auto
speed auto
mpls ip
!
router ospf 100
router-id 2.2.2.2
log-adjacency-changes
network 2.2.2.2 0.0.0.0 area 0
network 12.1.1.0 0.0.0.255 area 0
network 23.1.1.0 0.0.0.255 area 0
!
mpls ldp router-id Loopback0
R3配置：

ip vrf retail
rd 100:100
route-target export 100:100
route-target import 100:100
!
ip vrf trading
rd 100:200
route-target export 100:200
route-target import 100:200
!
mpls label range 300 399
mpls label protocol ldp
!
interface Loopback0
ip address 3.3.3.3 255.255.255.255
!
interface FastEthernet0/0
no ip address
duplex auto
speed auto
!
interface FastEthernet0/0.100
encapsulation dot1Q 100
ip vrf forwarding retail
ip address 192.168.35.3 255.255.255.0
!
interface FastEthernet0/0.200
encapsulation dot1Q 200
ip vrf forwarding trading
ip address 172.16.35.3 255.255.255.0
!
interface FastEthernet0/1
ip address 23.1.1.3 255.255.255.0
duplex auto
speed auto
mpls ip
!
router ospf 100
router-id 3.3.3.3
log-adjacency-changes
network 3.3.3.3 0.0.0.0 area 0
network 23.1.1.0 0.0.0.255 area 0
!
router rip
version 2
no auto-summary
!
address-family ipv4 vrf trading
redistribute bgp 100 metric transparent
network 172.16.0.0
no auto-summary
exit-address-family
!
address-family ipv4 vrf retail
redistribute bgp 100 metric transparent
network 192.168.35.0
no auto-summary
exit-address-family
!
router bgp 100
bgp router-id 3.3.3.3
no bgp default ipv4-unicast
bgp log-neighbor-changes
neighbor 1.1.1.1 remote-as 100
neighbor 1.1.1.1 update-source Loopback0
!
address-family ***v4
neighbor 1.1.1.1 activate
neighbor 1.1.1.1 send-community extended
exit-address-family
!
address-family ipv4 vrf trading
redistribute rip
no synchronization
exit-address-family
!
address-family ipv4 vrf retail
redistribute rip
no synchronization
exit-address-family
!
mpls ldp router-id Loopback0
R4配置：

ip vrf retail
rd 1:1
!
ip vrf trading
rd 2:2
!
!
interface Loopback0
ip address 4.4.4.4 255.255.255.255
!
interface Loopback1
ip vrf forwarding trading
ip address 20.1.1.4 255.255.255.0
ip ospf network point-to-point
!
interface FastEthernet0/0
ip vrf forwarding retail
ip address 10.1.1.4 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
duplex auto
speed auto
!
interface FastEthernet0/1.100
encapsulation dot1Q 100
ip vrf forwarding retail
ip address 192.168.14.4 255.255.255.0
!
interface FastEthernet0/1.200
encapsulation dot1Q 200
ip vrf forwarding trading
ip address 172.16.14.4 255.255.255.0
!
router rip
version 2
no auto-summary
!
address-family ipv4 vrf trading
network 20.0.0.0
network 172.16.0.0
no auto-summary
exit-address-family
!
address-family ipv4 vrf retail
network 10.0.0.0
network 192.168.14.0
no auto-summary
exit-address-family
R5配置：
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ip vrf retail
rd 1:1
!
ip vrf trading
rd 2:2
!
interface Loopback0
ip address 5.5.5.5 255.255.255.255
!
interface Loopback1
ip vrf forwarding trading
ip address 40.1.1.5 255.255.255.0
ip ospf network point-to-point
!
interface FastEthernet0/0
no ip address
duplex auto
speed auto
!
interface FastEthernet0/0.100
encapsulation dot1Q 100
ip vrf forwarding retail
ip address 192.168.35.5 255.255.255.0
!
interface FastEthernet0/0.200
encapsulation dot1Q 200
ip vrf forwarding trading
ip address 172.16.35.5 255.255.255.0
!
interface FastEthernet0/1
ip vrf forwarding retail
ip address 30.1.1.5 255.255.255.0
duplex auto
speed auto
!
router rip
version 2
no auto-summary
!
address-family ipv4 vrf trading
network 40.0.0.0
network 172.16.0.0
no auto-summary
exit-address-family
!
address-family ipv4 vrf retail
network 30.0.0.0
network 192.168.35.0
no auto-summary
exit-address-family

驗證

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轉載于:https://blog.51cto.com/692344/1070585

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