.. cfgcmd:: set interfaces {{ var0 }} <interface> {{ var2 }} {{ var3 }}
  {{ var5 }} {{ var6 }} ipv6 address autoconf

  **Configure the interface to automatically obtain an IPv6 address using**
  :abbr:`SLAAC (Stateless Address Autoconfiguration)`, **as specified in** 
  :rfc:`4862`. 


  IPv6 hosts can configure themselves automatically when connected to an 
  IPv6 network using the Neighbor Discovery Protocol via ICMPv6 router 
  discovery messages. When first connected to a network, a host sends a 
  link-local router solicitation multicast request for its configuration 
  parameters. The router responds with a router advertisement packet 
  containing Internet Layer configuration parameters.

  .. note:: This method automatically disables IPv6 traffic forwarding 
     on the interface.

  Example:

  .. code-block:: none

    set interfaces {{ var0 }} {{ var1 }} {{ var2 }} {{ var4 }} {{ var5 }} {{ var7 }} ipv6 address autoconf


.. cfgcmd:: set interfaces {{ var0 }} <interface> {{ var2 }} {{ var3 }}
  {{ var5 }} {{ var6 }} ipv6 address eui64 <prefix>

  **Configure the interface to assign itself an IPv6 address using the** 
  :abbr:`EUI-64 (64-Bit Extended Unique Identifier)` **method, as 
  specified** in :rfc:`4291`.

  Example:

  .. code-block:: none

    set interfaces {{ var0 }} {{ var1 }} {{ var2 }} {{ var4 }} {{ var5 }} {{ var7 }} ipv6 address eui64 2001:db8:beef::/64

.. cfgcmd:: set interfaces {{ var0 }} <interface> {{ var2 }} {{ var3 }}
  {{ var5 }} {{ var6 }} ipv6 address no-default-link-local

  **Disable the automatic assignment of a link-local IPv6 address to 
  this interface.**

  Example:

  .. code-block:: none

    set interfaces {{ var0 }} {{ var1 }} {{ var2 }} {{ var4 }} {{ var5 }} {{ var7 }} ipv6 address no-default-link-local

.. cfgcmd:: set interfaces {{ var0 }} <interface> {{ var2 }} {{ var3 }}
  {{ var5 }} {{ var6 }} ipv6 disable-forwarding

  **Configure the interface for host or router behavior.**

  If configured, the interface switches to host mode, and IPv6 forwarding is 
  disabled on it.

  Example:

  .. code-block:: none

    set interfaces {{ var0 }} {{ var1 }} {{ var2 }} {{ var4 }} {{ var5 }} {{ var7 }} ipv6 disable-forwarding

.. cfgcmd:: set interfaces {{ var0 }} <interface> {{ var2 }} {{ var3 }}
  {{ var5 }} {{ var6 }} ipv6 adjust-mss <mss | clamp-mss-to-pmtu>

  **Configure the** :abbr:`MSS (Maximum Segment Size)` **advertised in outgoing 
  TCP SYN packets on the specified interface.** 

  By clamping the MSS value in TCP SYN packets, you explicitly inform 
  the remote side not to send packets larger than that size. This prevents 
  connection issues when Path MTU Discovery (PMTUD) fails.

  The following options are available:

  * **mss:** Set the MSS to a specific value, in bytes. Use this option to 
    enforce a specific MSS, for example, to troubleshoot connectivity issues 
    or accommodate specific network requirements.
  * **clamp-mss-to-pmtu:** The router calculates the MSS to be the interface's 
    MTU minus 60 bytes for IPv6 traffic (40 bytes for the IPv6 header and 20 
    bytes for the TCP header). This option is recommended to automatically 
    set the proper value.

.. cfgcmd:: set interfaces {{ var0 }} <interface> {{ var2 }} {{ var3 }}
  {{ var5 }} {{ var6 }} ipv6 accept-dad <0 | 1 | 2>

  **Configure IPv6** :abbr:`DAD (Duplicate Address Detection)` **on the 
  interface.**

  The following options are available:

  - **0:** Disables DAD. No duplicate address detection is performed.
  - **1:** Enables DAD (default). Duplicate addresses are detected. The 
    interface's IPv6 operation continues for valid IPv6 addresses.
  - **2:** Enables DAD and, if a MAC-based duplicate link-local address 
    is found, disables IPv6 operation on this interface.

  Example:

  .. code-block:: none

    set interfaces {{ var0 }} {{ var1 }} {{ var2 }} {{ var4 }} {{ var5 }} {{ var7 }} ipv6 accept-dad 2

.. cfgcmd:: set interfaces {{ var0 }} <interface> {{ var2 }} {{ var3 }}
  {{ var5 }} {{ var6 }} ipv6 dup-addr-detect-transmits <n>

  **Configure the number of** :abbr:`DAD (Duplicate Address Detection)`
  **messages that the router (kernel) sends during IPv6 address assignment 
  on this interface.**

  The default value is 1. 

  Example:

  .. code-block:: none

    set interfaces {{ var0 }} {{ var1 }} {{ var2 }} {{ var4 }} {{ var5 }} {{ var7 }} ipv6 dup-addr-detect-transmits 5