配置IPv6 over IPv4自动隧道示例

配置IPv6 over IPv4自动隧道示例

组网需求
如图两个IPv6网络分别通过RouterA和RouterB与IPv4骨干网络连接，客户希望在RouterA和RouterB之间配置IPv6 over IPv4自动隧道，使两个IPv6网络可以互通。

配置思路
配置IPv6 over IPv4自动隧道的思路如下：
    配置物理接口的IP地址，使设备能够在IPv4网络中进行通信。
    配置隧道接口的IPv6地址和源接口，使设备可以和网络进行通信。
    使能协议类型为自动隧道协议，使IPv6网络和主机能够通过IPv4网络进行通信。

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
    # 配置自动隧道。
    [RouterA] interface tunnel 0/0/1
    [RouterA-Tunnel0/0/1] tunnel-protocol ipv6-ipv4 auto-tunnel
    [RouterA-Tunnel0/0/1] ipv6 enable
    [RouterA-Tunnel0/0/1] ipv6 address ::2.1.1.1/96
    [RouterA-Tunnel0/0/1] source gigabitethernet 1/0/0
    [RouterA-Tunnel0/0/1] quit
    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
    # 配置自动隧道。
    [RouterB] interface tunnel 0/0/1
    [RouterB-Tunnel0/0/1] tunnel-protocol ipv6-ipv4 auto-tunnel
    [RouterB-Tunnel0/0/1] ipv6 enable
    [RouterB-Tunnel0/0/1] ipv6 address ::2.1.1.2/96
    [RouterB-Tunnel0/0/1] source gigabitethernet 1/0/0
    [RouterB-Tunnel0/0/1] quit

    验证配置结果
    # 在RouterA上查看Tunnel0/0/1的IPv6状态为Up。
    [RouterA] display ipv6 interface tunnel 0/0/1
    Tunnel0/0/1 current state : UP
    IPv6 protocol current state : UP
    IPv6 is enabled, link-local address is FE80::201:101
      Global unicast address(es):
        ::2.1.1.1, subnet is ::/96
      Joined group address(es):
        FF02::1:FF01:101
        FF02::2
        FF02::1
      MTU is 1500 bytes
      ND reachable time is 30000 milliseconds
      ND retransmit interval is 1000 milliseconds
    # 从RouterA可以Ping通隧道对端的兼容IPv4的IPv6地址。
    [RouterA] ping ipv6 ::2.1.1.2
      PING ::2.1.1.2 : 56  data bytes, press CTRL_C to break
        Reply from ::2.1.1.2
        bytes=56 Sequence=1 hop limit=64  time = 30 ms
        Reply from ::2.1.1.2
        bytes=56 Sequence=2 hop limit=64  time = 40 ms
        Reply from ::2.1.1.2
        bytes=56 Sequence=3 hop limit=64  time = 50 ms
        Reply from ::2.1.1.2
        bytes=56 Sequence=4 hop limit=64  time = 1 ms
        Reply from ::2.1.1.2
        bytes=56 Sequence=5 hop limit=64  time = 50 ms
      --- ::2.1.1.2 ping statistics ---
        5 packet(s) transmitted
        5 packet(s) received
        0.00% packet loss
        round-trip min/avg/max = 1/34/50 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 Tunnel 0/0/1
     ipv6 enable
     ipv6 address ::2.1.1.1/96
     tunnel-protocol ipv6-ipv4 auto-tunnel
     source GigabitEthernet1/0/0
    #
    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 Tunnel 0/0/1
     ipv6 enable
     ipv6 address ::2.1.1.2/96
     tunnel-protocol ipv6-ipv4 auto-tunnel
     source GigabitEthernet1/0/0
    #
    return

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