配置6to4中继示例

配置6to4中继示例

组网需求
如图1所示，RouterA为6to4Router，其IPv6侧连接的是6to4网络。RouterB为6to4中继Router，它和IPv6的Internet网络（2001::/64）相连。RouterA和RouterB通过IPv4骨干网络相连。客户希望在配置RouterA和RouterB之间的6to4隧道，使6to4网络的主机与IPv6网络的主机互通。

配置思路
配置6to4中继思路如下：
    在Router上配置IPv4/IPv6双协议栈，使路由器可以同时和IPv4网络以及IPv6网络互通
    在Router上配置6to4隧道，使IPv6网络能够通过IPv4骨干网进行互联。
    在Router上配置相关的静态路由，使RouterA能够和RouterB通过IPv4网络进行互联。

操作步骤
    配置RouterA
    # 配置IPv4/IPv6双协议栈。
    <Huawei> system-view
    [Huawei] sysname RouterA
    [RouterA] ipv6
    [RouterA] interface gigabitethernet 1/0/0
    [RouterA-GigabitEthernet1/0/0] ip address 2.1.1.1 255.0.0.0
    [RouterA-GigabitEthernet1/0/0] quit
    [RouterA] interface gigabitethernet 2/0/0
    [RouterA-GigabitEthernet2/0/0] ipv6 enable
    [RouterA-GigabitEthernet2/0/0] ipv6 address 2002:0201:0101:1::1/64
    [RouterA-GigabitEthernet2/0/0] quit

    # 配置6to4隧道。
    [RouterA] interface tunnel 0/0/1
    [RouterA-Tunnel0/0/1] tunnel-protocol ipv6-ipv4 6to4
    [RouterA-Tunnel0/0/1] ipv6 enable
    [RouterA-Tunnel0/0/1] ipv6 address 2002:0201:0101::1/64
    [RouterA-Tunnel0/0/1] source gigabitethernet 1/0/0
    [RouterA-Tunnel0/0/1] quit

    # 配置到2002::/16的静态路由。
    [RouterA] ipv6 route-static 2002:: 16 tunnel 0/0/1
    # 配置到IPv6网络的缺省路由。
    [RouterA] ipv6 route-static :: 0 2002:0201:0102::1

    配置RouterB
    # 配置IPv4/IPv6双协议栈。
    <Huawei> system-view
    [Huawei] sysname RouterB
    [RouterB] ipv6
    [RouterB] interface gigabitethernet 1/0/0
    [RouterB-GigabitEthernet1/0/0] ip address 2.1.1.2 255.0.0.0
    [RouterB-GigabitEthernet1/0/0] quit
    [RouterB] interface gigabitethernet 2/0/0
    [RouterB-GigabitEthernet2/0/0] ipv6 enable
    [RouterB-GigabitEthernet2/0/0] ipv6 address 2001::1/64
    [RouterB-GigabitEthernet2/0/0] quit

    # 配置6to4隧道。
    [RouterB] interface tunnel 0/0/1
    [RouterB-Tunnel0/0/1] tunnel-protocol ipv6-ipv4 6to4
    [RouterB-Tunnel0/0/1] ipv6 enable
    [RouterB-Tunnel0/0/1] ipv6 address 2002:0201:0102::1/64
    [RouterB-Tunnel0/0/1] source gigabitethernet 1/0/0
    [RouterB-Tunnel0/0/1] quit

    # 配置到2002::/16的静态路由。
    [RouterB] ipv6 route-static 2002:: 16 tunnel 0/0/1

    验证配置结果
    # 从RouterA可以Ping通RouterB的接口GE2/0/0的IPv6地址。
    [RouterA] ping ipv6 2001::1
      PING 2001::1 : 56  data bytes, press CTRL_C to break
        Reply from 2001::1
        bytes=56 Sequence=1 hop limit=64  time = 29 ms
        Reply from 2001::1
        bytes=56 Sequence=2 hop limit=64  time = 5 ms
        Reply from 2001::1
        bytes=56 Sequence=3 hop limit=64  time = 5 ms
        Reply from 2001::1
        bytes=56 Sequence=4 hop limit=64  time = 5 ms
        Reply from 2001::1
        bytes=56 Sequence=5 hop limit=64  time = 26 ms
      --- 2001::1 ping statistics ---
        5 packet(s) transmitted
        5 packet(s) received
        0.00% packet loss
    round-trip min/avg/max = 5/14/29 ms

配置文件
    RouterA的配置文件
    #
     sysname RouterA
    #
    ipv6
    #
    interface GigabitEthernet1/0/0
     ip address 2.1.1.1 255.0.0.0
    #
    interface GigabitEthernet2/0/0
     ipv6 enable
     ipv6 address 2002:201:101:1::1/64
    #
    interface Tunnel 0/0/1
     ipv6 enable
     ipv6 address 2002:201:101::1/64
     tunnel-protocol ipv6-ipv4 6to4
     source GigabitEthernet1/0/0
    #
    ipv6 route-static :: 0 2002:201:102::1
    #
    ipv6 route-static 2002:: 16 Tunnel 0/0/1
    #
    return
    RouterB的配置文件
    #
     sysname RouterB
    #
    ipv6
    #
    interface GigabitEthernet1/0/0
     ip address 2.1.1.2 255.0.0.0
    #
    interface GigabitEthernet2/0/0
     ipv6 enable
     ipv6 address 2001::1/64
    #
    interface Tunnel 0/0/1
     ipv6 enable
     ipv6 address 2002:201:102::1/64
     tunnel-protocol ipv6-ipv4 6to4
     source GigabitEthernet1/0/0
    #
    ipv6 route-static 2002:: 16 Tunnel 0/0/1
    #
    return

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