1、实验拓扑

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2、基础配置

R1配置

ipv6 unicast-routing

interface Loopback0

 ipv6 address 1::1/64

 ipv6 ospf 110 area 0         

interface Serial0/0

 ipv6 address 2000:12::1/64

 ipv6 ospf 110 area 0

ipv6 router ospf 110

 router-id 1.1.1.1

R2配置

ipv6 unicast-routing

interface Loopback0

 ipv6 address 2::2/64

 ipv6 ospf 110 area 0        

interface Serial0/0

 ipv6 address 2000:12::2/64

 ipv6 ospf 110 area 0

interface Serial0/1

 ipv6 address 2000:23::2/64

ipv6 router ospf 110

 router-id 2.2.2.2

R3配置

ipv6 unicast-routing

interface Loopback0

 ipv6 address 3::3/64

 ipv6 ospf 110 area 0      

interface Serial0/0

 ipv6 address 2000:34::3/64

 ipv6 ospf 110 area 0

interface Serial0/1

 ipv6 address 2000:23::3/64

ipv6 router ospf 110

 router-id 3.3.3.3

R4配置

ipv6 unicast-routing

interface Loopback0

 ipv6 address 4::4/64

 ipv6 ospf 110 area 0       

interface Serial0/0

 ipv6 address 2000:34::4/64

 ipv6 ospf 110 area 0

interface Serial0/1

 ipv6 address 2000:45::4/64

 ipv6 ospf 110 area 0

ipv6 router ospf 110

 router-id 4.4.4.4

R5配置

ipv6 unicast-routing

interface Loopback0

 ipv6 address 5::5/64

 ipv6 ospf 110 area 0

interface Serial0/1

 no ip address

 ipv6 address 2000:45::5/64

ipv6 router ospf 110

 router-id 5.5.5.5

3、配置BGP

R1配置

router bgp 1

 no synchronization

 bgp router-id 1.1.1.1

 neighbor 2::2 remote-as 1

 neighbor 2::2 update-source Loopback0

 no auto-summary

 address-family ipv6

  neighbor 2::2 activate

  network 1::/64

R2配置

router bgp 1

 no synchronization

 bgp router-id 2.2.2.2

 neighbor 1::1 remote-as 1

 neighbor 1::1 update-source Loopback0

 neighbor 2000:23::3 remote-as 3

 no auto-summary

 address-family ipv6

  neighbor 1::1 activate

  neighbor 1::1 next-hop-self

  neighbor 2000:23::3 activate

R3配置

router bgp 3

 no synchronization

 bgp router-id 3.3.3.3

 neighbor 4::4 remote-as 3

 neighbor 4::4 update-source Loopback0

 neighbor 5::5 remote-as 3

 neighbor 5::5 update-source Loopback0

 neighbor 2000:23::2 remote-as 1

 no auto-summary

 address-family ipv6

  neighbor 4::4 activate

  neighbor 4::4 next-hop-self

  neighbor 5::5 activate

  neighbor 5::5 next-hop-self

  neighbor 2000:23::2 activate

R4配置

router bgp 3

 no synchronization

 bgp router-id 4.4.4.4

 neighbor 3::3 remote-as 3

 neighbor 3::3 update-source Loopback0

 neighbor 5::5 remote-as 3

 neighbor 5::5 update-source Loopback0

 no auto-summary

 address-family ipv6

  neighbor 3::3 activate

  neighbor 5::5 activate

R5配置

router bgp 3

 no synchronization

 bgp router-id 5.5.5.5

 neighbor 3::3 remote-as 3

 neighbor 3::3 update-source Loopback0

 neighbor 4::4 remote-as 3

 neighbor 4::4 update-source Loopback0

 no auto-summary

 address-family ipv6

  neighbor 3::3 activate

  neighbor 4::4 activate

  network 5::/64

4、实验测试