网工实验笔记:IPv6(配置6to4隧道)

1. 实验目的

   熟悉6to4隧道的应用场景

   掌握6to4隧道的配置方法

2. 实验拓扑

实验拓扑如图所示:

            

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3. 实验步骤

(1)配置IP地址

AR1的配置

system-view

Enter system view, return user view with Ctrl+Z.

[Huawei]undo info-center enable

Info: Information center is disabled.

[Huawei]sysname AR1

[AR1]ipv6   //全局启用IPV6

[AR1]interface g0/0/1

[AR1-GigabitEthernet0/0/1]ipv6 address 2001::2/64

[AR1-GigabitEthernet0/0/1]quit

[AR1]interface g0/0/0

[AR1-GigabitEthernet0/0/0]ip address 12.1.1.1 24

[AR1-GigabitEthernet0/0/0]quit

AR2的配置

system-view

Enter system view, return user view with Ctrl+Z.

[Huawei]undo info-center enable

Info: Information center is disabled.

[Huawei]sysname AR2

[AR2]interface g0/0/1

[AR2-GigabitEthernet0/0/1]ip address 12.1.1.2 24

[AR2-GigabitEthernet0/0/1]quit

[AR2]interface g0/0/0

[AR2-GigabitEthernet0/0/0]ip address 23.1.1.2 24

[AR2-GigabitEthernet0/0/0]quit

AR3的配置

system-view

Enter system view, return user view with Ctrl+Z.

[Huawei]undo info-center enable

Info: Information center is disabled.

[Huawei]sysname AR3

[AR3]ipv6

[AR3]interface g0/0/0

[AR3-GigabitEthernet0/0/0]ipv6 enable

[AR3-GigabitEthernet0/0/0]ipv6 address 2002::2/64

[AR3-GigabitEthernet0/0/0]quit

[AR3]interface g0/0/1

[AR3-GigabitEthernet0/0/1]ip address 23.1.1.3 24

[AR3-GigabitEthernet0/0/1]quit

PC1的配置

PC1的配置如图所示:

网工实验笔记:IPv6(配置6to4隧道)_第1张图片

                            

PC2的配置

PC2的配置如图所示:

网工实验笔记:IPv6(配置6to4隧道)_第2张图片

                 

(2)运行IGP路由协议

AR1的配置

[R1]ospf router-id 1.1.1.1

[R1-ospf-1]area 0

[R1-ospf-1-area-0.0.0.0]network 12.1.1.0 0.0.0.255

[R1-ospf-1-area-0.0.0.0]quit

AR2的配置

[AR2]ospf router-id 2.2.2.2

[AR2-ospf-1]area 0

[AR2-ospf-1-area-0.0.0.0]network 12.1.1.0 0.0.0.255

[AR2-ospf-1-area-0.0.0.0]network 23.1.1.0 0.0.0.255

[AR2-ospf-1-area-0.0.0.0]quit

AR3的配置

[AR3]ospf router-id 3.3.3.3

[AR3-ospf-1]area 0

[AR3-ospf-1-area-0.0.0.0]network 23.1.1.0 0.0.0.255

[AR3-ospf-1-area-0.0.0.0]quit

(3)配置6to4的隧道

AR1的配置

[R1]interface Tunnel 0/0/0

[R1-Tunnel0/0/0]tunnel-protocol ipv6-ipv4  //隧道协议为ipv6-ipv4

[R1-Tunnel0/0/0]source 12.1.1.1  //隧道的源为12.1.1.1

[R1-Tunnel0/0/0]destination 23.1.1.3  //隧道的目的为23.1.1.3

[R1-Tunnel0/0/0]ipv6 enable  //启用IPV4

[R1-Tunnel0/0/0]ipv6 address 2022::1/64  //隧道的IPV6地址为2022::1

[R1-Tunnel0/0/0]quit

AR2的配置

[AR3]interface Tunnel 0/0/0

[AR3-Tunnel0/0/0]tunnel-protocol ipv6-ipv4    

[AR3-Tunnel0/0/0]source 23.1.1.3        

[AR3-Tunnel0/0/0]destination 12.1.1.1

[AR3-Tunnel0/0/0]ipv6 enable

[AR3-Tunnel0/0/0]ipv6 address 2022::3/64

[AR3-Tunnel0/0/0]quit

【技术要点】

 隧道协议如果用IPV6-IPV4它只能传递IPV6的信息,如果要传传输其它数据建议使用gre

配置如下:

AR1的配置

[R1]interface Tunnel 0/0/0

[R1-Tunnel0/0/0]tunnel-protocol gre //隧道协议为gre

[R1-Tunnel0/0/0]source 12.1.1.1  //隧道的源为12.1.1.1

[R1-Tunnel0/0/0]destination 23.1.1.3  //隧道的目的为23.1.1.3

[R1-Tunnel0/0/0]ipv6 enable  //启用IPV4

[R1-Tunnel0/0/0]ipv6 address 2022::1/64  //隧道的IPV6地址为2022::1

[R1-Tunnel0/0/0]quit

AR2的配置

[AR3]interface Tunnel 0/0/0

[AR3-Tunnel0/0/0]tunnel-protocol gre

[AR3-Tunnel0/0/0]source 23.1.1.3        

[AR3-Tunnel0/0/0]destination 12.1.1.1

[AR3-Tunnel0/0/0]ipv6 enable

[AR3-Tunnel0/0/0]ipv6 address 2022::3/64

[AR3-Tunnel0/0/0]quit

(4)配置IPV6的静态路由

AR1的配置

[R1]ipv6 route-static 2002:: 64 2022::3  //目标的网络为2002:: 下一跳为2002::3

AR2的配置

[AR3]ipv6 route-static 2001:: 64 2022::1

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4. 实验调试

(1)测试PC1是否可以访问PC2

PC1的配置如图所示:

网工实验笔记:IPv6(配置6to4隧道)_第3张图片

(2)在AR1的接口抓包

隧道协议为ipv6-ipv4包文结构如图所示:
   

隧道协议为GRE的包文结构如图所示:

             

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