1、6to4 Tunnel解析

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E0接口的网络号2002:c0a8:6301::/48的得来：

192.168.99.1转为16进制表示的话为c0a8:6301，在其前面加上20002:即可得到2002:c0a8:6301::/48的网络号。E0接口的IP地址可以手动配置，也可以通过eui-64自动生成。

2、实验拓扑

3、实验配置

R1配置

ipv6 unicast-routing

interface FastEthernet1/0

 ipv6 address 2002:202:202::1/64

 ipv6 ospf 110 area 0

interface FastEthernet2/0

 ipv6 address 2002:202:202:15::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

 ip address 2.2.2.2 255.255.255.0

interface Tunnel2

 ipv6 unnumbered FastEthernet1/0

 tunnel source Loopback0

 tunnel mode ipv6ip 6to4

interface FastEthernet1/0

 ipv6 address 2002:202:202::2/64

 ipv6 ospf 110 area 0

interface FastEthernet2/0

 ip address 23.1.1.2 255.255.255.0

ip route 3.3.3.0 255.255.255.0 23.1.1.3

ipv6 route 2002::/16 Tunnel2

ipv6 router ospf 110

 router-id 2.2.2.2

 redistribute static

R3配置

ipv6 unicast-routing

interface Loopback0

 ip address 3.3.3.3 255.255.255.0

interface Tunnel3

 ipv6 unnumbered FastEthernet1/0

 tunnel source Loopback0

 tunnel mode ipv6ip 6to4

interface FastEthernet1/0

 ipv6 address 2002:303:303::3/64

 ipv6 ospf 110 area 0

interface FastEthernet2/0

 ip address 23.1.1.3 255.255.255.0

ip route 2.2.2.0 255.255.255.0 23.1.1.2

ipv6 route 2002::/16 Tunnel3

ipv6 router ospf 110

 router-id 3.3.3.3

 redistribute static

R4配置

ipv6 unicast-routing

interface FastEthernet1/0

 ipv6 address 2002:303:303::4/64

 ipv6 ospf 110 area 0

interface FastEthernet2/0

 ipv6 address 2002:303:303:46::4/64

 ipv6 ospf 110 area 0

ipv6 router ospf 110

 router-id 4.4.4.4

R5配置

ipv6 unicast-routing

interface FastEthernet2/0

 ipv6 address 2002:202:202:15::5/64

 ipv6 ospf 110 area 0

ipv6 router ospf 110

 router-id 5.5.5.5

R6配置

ipv6 unicast-routing

interface FastEthernet2/0

 ipv6 address 2002:303:303:46::6/64

 ipv6 ospf 110 area 0

ipv6 router ospf 110

 router-id 6.6.6.6

4、实验测试

本文题目：65、IPv6配置实验之6to4Tunnel
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