Enable or Disable DHCPv6 Guard Globally

About this task

Enabling DHCPv6 Guard globally installs filters on the configured interfaces. By default, DHCPv6 Guard is disabled.

Procedure

  1. Enter Global Configuration mode:

    enable

    configure terminal

  2. Enable FHS globally:

    ipv6 fhs enable

  3. Enable DHCPv6 Guard globally:

    ipv6 dhcp-guard enable

  4. Disable DHCPv6 Guard globally:

    no ipv6 dhcp-guard enable

  5. Set DHCPv6 Guard to its default value:

    default ipv6 dhcp-guard enable

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