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NE40E-M2K V800R010C10SPC500 配置指南 - IPv6过渡技术 01

本文档是NE40E-M2K V800R010C10SPC500 配置指南 - IPv6过渡技术

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配置6RD隧道示例

配置6RD隧道示例

通过配置6RD隧道可以实现不同的6RD域中的主机或设备间的互相访问。

组网需求

如图5-4所示，DeviceA和DeviceB支持双协议栈，分别与相应的IPv6网络以及IPv4网络相连。DeviceA和DeviceB均为6RD CE设备，连接的IPv6网络为6RD网络。要求在DeviceA和DeviceB之间配置6RD隧道，以便两个IPv6网络内的主机可以互通。

图5-4 配置6RD域互通场景下6RD隧道组网图

配置思路

配置6RD隧道的思路如下：

  1. 在DeviceA和DeviceB上配置连接IPv4网络的物理接口IPv4地址，并开启设备IPv6报文转发功能。

  2. 在DeviceA和DeviceB上配置6RD隧道，指定源地址、6RD前缀及前缀长度、IPv4前缀长度，从而生成6RD委托前缀。

  3. 在DeviceA和DeviceB上根据6RD委托前缀配置6RD隧道，以及连接6RD域的物理接口的IPv6地址。

  4. 在PC1和PC2上配置接口的IPv6地址，其地址前缀为6RD前缀和子网ID组合的64位地址前缀。

  5. 在DeviceA和DeviceB上配置到达对方6RD域的静态路由。

数据准备

为完成此配置例，需准备如下的数据：

  • 接口的IPv4地址

  • 隧道的源地址

  • 隧道的6RD前缀

  • 隧道的IPv4前缀长度

操作步骤

  1. 配置IPv4/IPv6双协议栈

    # 配置DeviceA。

    <HUAWEI> system-view
[~HUAWEI] sysname DeviceA
[*HUAWEI] commit
[~DeviceA] interface gigabitethernet 0/1/1
[*DeviceA-GigabitEthernet0/1/1] ip address 10.1.1.1 24
[*DeviceA-GigabitEthernet0/1/1] commit
[~DeviceA-GigabitEthernet0/1/1] quit

    # 配置DeviceB。

    <HUAWEI> system-view
[~HUAWEI] sysname DeviceB
[*HUAWEI] commit
[~DeviceB] interface gigabitethernet 0/1/1
[*DeviceB-GigabitEthernet0/1/1] ip address 10.1.1.2 24
[*DeviceB-GigabitEthernet0/1/1] commit
[~DeviceB-GigabitEthernet0/1/1] quit

  2. 配置6RD隧道

    # 配置DeviceA。

    [~DeviceA] interface Tunnel 1
[*DeviceA-Tunnel1] tunnel-protocol ipv6-ipv4 6rd
[*DeviceA-Tunnel1] ipv6 enable
[*DeviceA-Tunnel1] source GigabitEthernet 0/1/1
[*DeviceA-Tunnel1] ipv6-prefix 2001:db8::/32
[*DeviceA-Tunnel1] ipv4-prefix length 8
[*DeviceA-Tunnel1] commit

    # 配置DeviceB。

    [~DeviceB] interface Tunnel 1
[*DeviceB-Tunnel1] tunnel-protocol ipv6-ipv4 6rd
[*DeviceB-Tunnel1] ipv6 enable
[*DeviceB-Tunnel1] source GigabitEthernet 0/1/1
[*DeviceB-Tunnel1] ipv6-prefix 2001:db8::/32
[*DeviceB-Tunnel1] ipv4-prefix length 8
[*DeviceB-Tunnel1] commit
    说明：

    配置6RD隧道的源地址或源接口、6RD前缀、前缀长度和IPv4前缀长度后，设备会自动计算出6RD委托前缀的值。可以使用display this interface命令显示委托前缀，再配置Tunnel接口的IPv6地址。

  3. 查看计算出的6RD委托前缀

    # 查看DeviceA。

    [~DeviceA-Tunnel1] display this interface
Tunnel1 current state : UP (ifindex: 9)
Line protocol current state : DOWN 
Description: 
Route Port,The Maximum Transmit Unit is 1500
Internet protocol processing : disabled
Encapsulation is TUNNEL, loopback not set
Tunnel source 10.1.1.1, destination unknown
Tunnel protocol/transport IPv6 over IPv4 (6rd)
ipv6 prefix 2001:DB8::/32 
ipv4 prefix length 8 
6RD Operational, Delegated Prefix is 2001:DB8:101:100::/56
Current system time: 2017-09-02 10:14:49
  300 seconds input rate 0 bits/sec, 0 packets/sec
  300 seconds output rate 0 bits/sec, 0 packets/sec
  0 seconds input rate 0 bits/sec, 0 packets/sec
  0 seconds output rate 0 bits/sec, 0 packets/sec
  0 packets input,  0 bytes
  0 input error
  0 packets output,  0 bytes                                
  0 output error
  Input:
    Unicast: 0 packets, Multicast: 0 packets
  Output:
    Unicast: 0 packets, Multicast: 0 packets
    Last 300 seconds input utility rate:  --
    Last 300 seconds output utility rate: --

    # 查看DeviceB。

    [~DeviceB-Tunnel1] display this interface
Tunnel1 current state : UP (ifindex: 10)
Line protocol current state : DOWN 
Description: 
Route Port,The Maximum Transmit Unit is 1500
Internet protocol processing : disabled
Encapsulation is TUNNEL, loopback not set
Tunnel source 10.1.1.2, destination unknown
Tunnel protocol/transport IPv6 over IPv4 (6rd)
ipv6 prefix 2001:DB8::/32 
ipv4 prefix length 8 
6RD Operational, Delegated Prefix is 2001:db8:101:200::/56
Current system time: 2017-09-02 10:22:13
  300 seconds input rate 0 bits/sec, 0 packets/sec
  300 seconds output rate 0 bits/sec, 0 packets/sec
  0 seconds input rate 0 bits/sec, 0 packets/sec
  0 seconds output rate 0 bits/sec, 0 packets/sec
  0 packets input,  0 bytes
  0 input error
  0 packets output,  0 bytes                                
  0 output error
  Input:
    Unicast: 0 packets, Multicast: 0 packets
  Output:
    Unicast: 0 packets, Multicast: 0 packets
    Last 300 seconds input utility rate:  --
    Last 300 seconds output utility rate: --

  4. 根据6RD委托前缀，配置Tunnel接口的IPv6地址

    # 配置DeviceA。

    [~DeviceA-Tunnel1] ipv6 address 2001:db8:101:100::1 56
[*DeviceA-Tunnel1] commit
[~DeviceA-Tunnel1] quit

    # 配置DeviceB。

    [~DeviceB-Tunnel1] ipv6 address 2001:db8:101:200::1 56
[*DeviceB-Tunnel1] commit
[~DeviceB-Tunnel1] quit

  5. 配置接口GigabitEthernet0/1/2的IPv6地址

    # 配置DeviceA。

    [~DeviceA] interface gigabitethernet 0/1/2
[*DeviceA-GigabitEthernet0/1/2] ipv6 enable
[*DeviceA-GigabitEthernet0/1/2] ipv6 address 2001:db8:101:101::1 64
[*DeviceA-GigabitEthernet0/1/2] commit
[~DeviceA-GigabitEthernet0/1/2] quit

    # 配置DeviceB。

    [~DeviceB] interface gigabitethernet 0/1/2
[*DeviceB-GigabitEthernet0/1/2] ipv6 enable
[*DeviceB-GigabitEthernet0/1/2] ipv6 address 2001:db8:101:201::1 64
[*DeviceB-GigabitEthernet0/1/2] commit
[~DeviceB-GigabitEthernet0/1/2] quit

  6. 配置到6RD域的静态路由

    # 配置DeviceA到DeviceB连接的6RD域的静态路由。

    [~DeviceA] ipv6 route-static 2001:db8:: 32 Tunnel 1
[*DeviceA] commit

    # 配置DeviceB到DeviceA连接的6RD域的静态路由。

    [~DeviceB] ipv6 route-static 2001:db8:: 32 Tunnel 1
[*DeviceB] commit

  7. 配置PC地址

    # 配置PC1。

    根据6RD委托前缀，配置PC1地址为2001:db8:101:101::2/64，与DeviceA的接口GigabitEthernet0/1/2同一网段。IPv6地址的配置方法与PC1的操作系统有关，配置方法略。

    # 配置PC2。

    根据6RD委托前缀，配置PC2地址为2001:db8:101:201::2/64，与DeviceB的接口GigabitEthernet0/1/2同一网段。IPv6地址的配置方法与PC2的操作系统有关，配置方法略。

  8. 检查配置结果

    # 在DeviceA或DeviceB上查看Tunnel1的IPv6状态为Up。

    [DeviceA] display ipv6 interface Tunnel 1
Tunnel1 current state : UP 
IPv6 protocol current state : UP 
IPv6 is enabled, link-local address is FE80::3ABA:9A00:9DC:D303 
  Global unicast address(es):
    2001:DB8:101:100::1, subnet is 2001:DB8:101:100::/56 
  Joined group address(es):
    FF02::1:FF00:1
    FF02::1:FFDC:D303
    FF02::2
    FF02::1
  MTU is 1500 bytes 
  ND DAD is enabled, number of DAD attempts: 1
  ND reachable time is 1200000 milliseconds
  ND retransmit interval is 1000 milliseconds
  Hosts use stateless autoconfig for addresses

    # 在DeviceA上PingDeviceB的GigabitEthernet0/1/2的接口地址。

    [DeviceA] ping ipv6 2001:db8:101:201::1
  PING 2001:db8:101:201::1 : 56  data bytes, press CTRL_C to break
    Reply from 2001:db8:101:201::1
    bytes=56 Sequence=1 hop limit=64  time = 4 ms
    Reply from 2001:db8:101:201::1
    bytes=56 Sequence=2 hop limit=64  time = 3 ms
    Reply from 2001:db8:101:201::1
    bytes=56 Sequence=3 hop limit=64  time = 2 ms
    Reply from 2001:db8:101:201::1
    bytes=56 Sequence=4 hop limit=64  time = 2 ms
    Reply from 2001:db8:101:201::1
    bytes=56 Sequence=5 hop limit=64  time = 2 ms
  --- 2001:db8:101:201::1 ping statistics ---
    5 packet(s) transmitted
    5 packet(s) received
    0.00% packet loss
    round-trip min/avg/max = 2/2/4 ms

    # 在PC1上Ping向PC2的IPv6地址，可以互通。

    C:\> ping 2001:db8:101:201::2
Pinging 2001:db8:101:201::2 with 32 bytes of data:
Reply from 2001:db8:101:201::2: time<1ms
Reply from 2001:db8:101:201::2: time<1ms
Reply from 2001:db8:101:201::2: time<1ms
Reply from 2001:db8:101:201::2: time<1ms
Ping statistics for 2001:db8:101:201::2:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 0ms, Average = 0ms

配置文件

DeviceA的配置文件

#
sysname DeviceA
#
interface GigabitEthernet0/1/1
 undo shutdown
 ip address 10.1.1.1 255.255.255.0
#
interface GigabitEthernet0/1/2
 undo shutdown
 ipv6 enable
 ipv6 address 2001:db8:101:101::1 64
#
interface Tunnel 1
 ipv6 enable
 ipv6 address 2001:db8:101:100::1 56
 tunnel-protocol ipv6-ipv4 6rd
 source GigabitEthernet0/1/1
 ipv6-prefix 2001:db8::/32
 ipv4-prefix length 8
#
ipv6 route-static 2001:db8:: 32 Tunnel1
#
return

DeviceB的配置文件

#
sysname DeviceB
#
interface GigabitEthernet0/1/1
 undo shutdown
 ip address 10.1.1.2 255.255.255.0
#
interface GigabitEthernet0/1/2
 undo shutdown
 ipv6 enable
 ipv6 address 2001:db8:101:201::1 64
#
interface Tunnel 1
 ipv6 enable
 ipv6 address 2001:db8:101:200::1 56
 tunnel-protocol ipv6-ipv4 6rd
 source GigabitEthernet0/1/1
 ipv6-prefix 2001:db8::/32
 ipv4-prefix length 8
#
ipv6 route-static 2001:db8:: 32 Tunnel1
#
return
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更新时间：2019-01-03

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