R1:

ipv6 unicast-routing
!        
interface FastEthernet0/0
no ip address
duplex auto
speed auto
ipv6 address 12::1/64
ipv6 ospf 1 area 0
!
ipv6 router ospf 1
router-id 1.1.1.1
log-adjacency-changes

 

R2:

ipv6 unicast-routing
!        
interface Loopback0
ip address 10.1.1.2 255.255.255.255
!        
interface Tunnel0
no ip address
ipv6 address 2001::1/64
ipv6 ospf 1 area 0
tunnel source FastEthernet1/0
tunnel destination 64.1.1.1                 
tunnel mode ipv6ip           //定义隧道模式为手动
!
interface FastEthernet0/0
no ip address
duplex auto
speed auto
ipv6 address 12::2/64
ipv6 ospf 1 area 0
!
interface FastEthernet1/0
ip address 202.1.1.1 255.255.255.0
duplex auto
speed auto
!
router ospf 1
log-adjacency-changes
!        
ip route 0.0.0.0 0.0.0.0 202.1.1.254
!
ipv6 router ospf 1
log-adjacency-changes

 

R3:

interface FastEthernet0/0
ip address 202.1.1.254 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet1/0
ip address 64.1.1.254 255.255.255.0
duplex auto
speed auto

 

R4:

ipv6 unicast-routing
!        
interface Loopback0
ip address 10.1.1.4 255.255.255.255
!        
interface Tunnel0
no ip address
ipv6 address 2001::2/64
ipv6 ospf 1 area 0
tunnel source FastEthernet0/0
tunnel destination 202.1.1.1  
tunnel mode ipv6ip        //定义隧道模式为手动
!
interface FastEthernet0/0
ip address 64.1.1.1 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet1/0
no ip address
duplex auto
speed auto
ipv6 address 45::4/64
ipv6 ospf 1 area 0
!
ip route 0.0.0.0 0.0.0.0 64.1.1.254
!
ipv6 router ospf 1
log-adjacency-changes

 

R5:

ipv6 unicast-routing
!        
interface FastEthernet0/0
no ip address
duplex auto
speed auto
ipv6 address 45::5/64
ipv6 ospf 1 area 0
!
ipv6 router ospf 1
router-id 5.5.5.5
log-adjacency-changes
 

R1学到了R5的路由