配置DHCPv6服务器同时分配IPv6地址和其他网络参数示例

配置DHCPv6服务器同时分配IPv6地址和其他网络参数示例

组网需求

图1所示,DeviceA作为DHCPv6服务器,DeviceB为用户接入设备。下面介绍如何配置DHCPv6服务器为同一网段中的客户端动态分配IPv6地址和其他网络参数。

图1 配置DHCPv6服务器组网图
配置DHCPv6服务器同时分配IPv6地址和其他网络参数示例

配置思路

DHCPv6服务器的配置思路如下:

  1. 使能DHCPv6功能。
  2. 创建IPv6地址池并配置地址池的相关属性。
  3. 在VLANIF接口下使能DHCPv6服务器功能。

数据准备

完成此配置举例,需要准备以下数据:

  • IPv6地址池名称为pool1。
  • DHCPv6服务器的VLANIF接口的IPv6地址为2001:db8:1::1/64。
  • IPv6地址池网段为2001:db8:1::/64。
  • DNS服务器地址为2001:db8:2::1/64。

操作步骤

  1. 在DeviceA上使能DHCPv6功能。 
    <HUAWEI> system-view
    [~HUAWEI] sysname DeviceA
    [*HUAWEI] commit
    [~DeviceA] dhcpv6 enable
    [~DeviceA] commit

     

  2. 配置接口的IPv6功能。 
    [~DeviceA] vlan 10
    [*DeviceA-vlan10] quit
    [*DeviceA] interface 10GE 1/0/1
    [*DeviceA-10GE1/0/1] port link-type access
    [*DeviceA-10GE1/0/1] port default vlan 10
    [*DeviceA-10GE1/0/1] quit
    [*DeviceA] interface vlanif 10
    [*DeviceA-Vlanif10] ipv6 enable
    [*DeviceA-Vlanif10] ipv6 address 2001:db8:1::1/64
    [*DeviceA-Vlanif10] quit
    [*DeviceA] commit

     

  3. 在DeviceA上创建地址池并配置相关属性。 
    [~DeviceA] dhcpv6 pool pool1
    [*DeviceA-dhcpv6-pool-pool1] address prefix 2001:db8:1::/64
    [*DeviceA-dhcpv6-pool-pool1] excluded-address 2001:db8:1::1
    [*DeviceA-dhcpv6-pool-pool1] dns-server 2001:db8:2::1
    [*DeviceA-dhcpv6-pool-pool1] dns-domain-name huawei.com
    [*DeviceA-dhcpv6-pool-pool1] commit
    [~DeviceA-dhcpv6-pool-pool1] quit

     

  4. 在DeviceA的VLANIF接口下配置DHCPv6服务器功能。 
    [~DeviceA] interface vlanif 10
    [~DeviceA-Vlanif10] dhcpv6 server pool1
    [*DeviceA-Vlanif10] commit
    [~DeviceA-Vlanif10] quit

     

  5. 验证配置结果。 

    # 在DeviceA上使用display dhcpv6 pool命令用来查看IP地址池配置情况。

    [~DeviceA] display dhcpv6 pool
    DHCPv6 pool: pool1 
      Address prefix: 2001:DB8:1::/64                                                     
        Lifetime 172800 seconds, preferred 86400 seconds                      
        0 in use, 0 conflicts                                                       
      Excluded-address 2001:DB8:1::1
      1 excluded addresses
      Information refresh time: 86400                                               
      DNS server address: 2001:DB8:2::1                               
      DNS server domain name: huawei.com                                               
      Conflict-address expire-time: 172800                                           
      renew-time-percent : 50                                                       
      rebind-time-percent : 80             
      Active normal clients: 0

     

     

    # 在DeviceA上使用display dhcpv6 server命令用来查看DHCPv6服务器信息。

    [~DeviceA] display dhcpv6 server
     Database write enable: disable
     Recover from files after reboot: disable
     File saving lease items: --
     File saving conflict items: --
     Save interval: 86400 (seconds)
     Message statistics of Global:
     Message                  Received
     Solicit                  17
     Request                  2
     Confirm                  0
     Renew                    1
     Rebind                   0
     Release                  0
     Decline                  0
     Information-request      0
     Relay-forward            0
     Leasequery               0
     UnknownType              0
     Message                  Sent
     Advertise                17
     Reply                    2
     Relay-reply              0
     Leasequery-reply         0
     Reconfigure              0
     Message statistics of interface Vlanif10
     Message                  Received
     Solicit                  17
     Request                  2
     Confirm                  0
     Renew                    1
     Rebind                   0
     Release                  0
     Decline                  0
     Information-request      0
     Relay-forward            0
     Leasequery               0
     UnknownType              0
     Message                  Sent
     Advertise                17
     Reply                    2
     Relay-reply              0
     Leasequery-reply         0
     Reconfigure              0

     

配置文件

  • DeviceA的配置文件
    #
    sysname DeviceA
    #
    vlan 10
    #
    dhcpv6 enable
    #
    dhcpv6 pool pool1
     address prefix 2001:DB8:1::/64
     excluded-address 2001:DB8:1::1
     dns-server 2001:DB8:2::1
     dns-domain-name huawei.com
    #
    interface Vlanif10
     ipv6 enable
     ipv6 address 2001:DB8:1::1/64
     dhcpv6 server pool1
    #
    interface 10GE1/0/1
     port default vlan 10
    #
    return
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