从IPV4到ipv6之6TO4隧道

实验目的：

了解自动隧道6to4隧道的配置

实验拓扑：





实验说明：

在这个实验中I边缘路由器都是一个前缀为/48地址，该前缀由2002::/16和边缘路由器的IPV4（十六进制表示）地址组合而成，使用6to4隧道可以再公司网络中快速部署ipv6，而无需申请地址。

配置：

R1:

ipv6 unicast-routing

interface Loopback0

ip address 1.1.1.1 255.255.255.0

!

interface Tunnel1

no ip address

no ip redirects

ipv6 unnumbered FastEthernet0/1

tunnel source Loopback0

tunnel mode ipv6ip 6to4

!

interface FastEthernet0/0

ip address 192.168.12.1 255.255.255.0

interface FastEthernet0/1

ipv6 address 2002:101:101::1/64

!

router ospf 100

router-id 1.1.1.1

log-adjacency-changes

network 1.1.1.0 0.0.0.255 area 0

network 192.168.12.0 0.0.0.255 area 0

ipv6 route ::/0 Tunnel1

R2:

ipv6 unicast-routing

interface Loopback0

ip address 2.2.2.2 255.255.255.0

!

interface Tunnel2

no ip address

no ip redirects

ipv6 unnumbered FastEthernet0/1

tunnel source Loopback0

tunnel mode ipv6ip 6to4

!

interface FastEthernet0/0

ip address 192.168.12.2 255.255.255.0

interface FastEthernet0/1

ipv6 address 2002:202:202::2/64

!

router ospf 100

router-id 2.2.2.2

log-adjacency-changes

network 2.2.2.0 0.0.0.255 area 0

network 192.168.12.0 0.0.0.255 area 0

ipv6 route ::/0 Tunnel2

R3：

interface FastEthernet0/1

ipv6 address 2002:101:101::3/64

ipv6 route ::/0 2002:101:101::1

R4：

interface FastEthernet0/1

ipv6 address 2002:202:202::4/64

!

ipv6 route ::/0 2002:202:202::2

分析：





验证：