Configuring DHCP snooping support for Option 18

  1. Enter system view.

    system-view

  2. Enter interface view.

    interface interface-type interface-number

  3. Enable DHCP snooping support for Option 18.

    ipv6 dhcp snooping option interface-id enable

    By default, DHCP snooping support for Option 18 is disabled.

  4. (Optional.) Specify the content as the interface ID.

    ipv6 dhcp snooping option interface-id [ vlan vlan-id ] string interface-id

    By default, the DHCPv6 snooping device uses its DUID as the content for Option 18.