802.11aq Packet Formats
==========================


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        **What is the basic structure of an 802.11aq packet?**

        An 802.11aq packet consists of a MAC header, payload (including service discovery information), and a frame check sequence (FCS).

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        **How does the 802.11aq packet format differ from earlier 802.11 standards?**

        It includes additional fields to support pre-association service discovery and advertisement.

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        **What types of frames are defined in 802.11aq?**

        802.11aq introduces enhanced management frames for service discovery, in addition to data and control frames.

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        **What role do Information Elements (IEs) play in 802.11aq packets?**

        IEs carry detailed service discovery data, allowing devices to advertise available network services.

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        **How is backward compatibility maintained in 802.11aq packet formats?**

        802.11aq frames maintain core 802.11 MAC frame structure, enabling legacy devices to ignore unknown IEs.

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        **What is the significance of pre-association service discovery in packet format?**

        It allows clients to learn about services before connecting, included in specialized management frames.

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        **Does 802.11aq use standard MAC headers?**

        Yes, it uses standard MAC headers with additional fields or IEs for new features.

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        **Are there new frame control subtypes introduced in 802.11aq?**

        Yes, new subtypes are defined to support service discovery and advertisement functions.

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        **How is the payload structured in 802.11aq packets?**

        Payload may include service information, advertisements, or queries encoded within IEs.

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        **What security considerations affect 802.11aq packet formats?**

        Packets support encryption and authentication methods consistent with 802.11 standards to protect service info.

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        **How does fragmentation work with 802.11aq packet formats?**

        Large service discovery frames can be fragmented according to standard MAC fragmentation procedures.

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        **Are there special broadcast or multicast packets in 802.11aq?**

        Yes, broadcast and multicast management frames are used to advertise services to multiple clients.

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        **How do 802.11aq packets handle Quality of Service (QoS)?**

        QoS fields in the MAC header prioritize service discovery frames to ensure timely delivery.

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        **What is the maximum size of an 802.11aq packet?**

        It follows the 802.11 maximum frame size limits, typically up to 2346 bytes before fragmentation.

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        **Are 802.11aq packet formats compatible with WPA3 security?**

        Yes, packet formats support advanced encryption and authentication methods including WPA3.

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        **How do 802.11aq packets support roaming?**

        Service discovery information in packets helps clients select optimal APs for seamless roaming.

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        **What encoding/modulation does 802.11aq use for its packets?**

        It uses the physical layer modulation and coding schemes of the underlying 802.11 standard it operates with.

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        **Can 802.11aq packets be transmitted before association?**

        Yes, pre-association packets enable devices to discover services prior to connecting to an AP.


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        Topics in this section,

                * :ref:`Learnings in this section <packet_formats_step1>`

                * :ref:`Terminology <packet_formats_step2>`

                * :ref:`Version Info <packet_formats_step3>`

                * :ref:`packet_formats Basic Setup on Ubuntu using IPv4 <packet_formats_step18>`

                * :ref:`Reference links <packet_formats_step17>`

.. _packet_formats_step1:

.. tab-set::

    .. tab-item:: Learnings in this section
 
        * In this section, you are going to learn

.. _packet_formats_step2:

.. tab-set::

    .. tab-item:: Terminology
        
       * Terminology


.. _packet_formats_step3:

.. tab-set::

    .. tab-item:: Version Info
    
         * Version Info


.. _packet_formats_step18:

.. tab-set::

    .. tab-item:: packet_formats Basic Setup on Ubuntu using IPv4

       * setup


.. _packet_formats_step17:

.. tab-set::

    .. tab-item:: Reference links
     
       * Reference links