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Forum Discussion

Tom_Manchester's avatar
Nov 14, 2022

WAX630E Auto Channel Width and Channel

If Dynamic is selected for Channel Width and Auto is selected for Channel, how are these values chosen when a client logs on? Does the access point pick the largest channel width and highest performance non-overlapping channel?

4 Replies

  • schumaku's avatar
    schumaku
    Guru - Experienced User

    The automatic channel selection is the only one the AP does decide on it's free "will" based on availability and current load. This is about a 20 MHz channel alone. With that one set manually you can take some "control" which other bonding channels will be made available. Not more, but not less.

     

    Any other channels are additional boding channels added of 20 MHz bandwidth each which the AP can make available to the wireless client. This is why most Wi-Fi analyzers don't show the effective channel(s) in use. 

     

    If you allow more resources, say 160 MHz, it's done to allow more bandwidth over these channels Step back to the bigger picture - this is all within the limited possibilities what is feasible within the amount of free 20 MHz channels, within the same 40, 40+40, 80, 80+80, or 160 MHz junks. This is all not as freely assignable as you seem to imply from your valid questions 8-)

     

    The same logic, the similar standards apply all over all 802.3 band, starting from the 2.4 GHz band with it's 11 or 13 or 14 channel depending on the regulatory allowance. No major derivation for the 5 GHz, or the 6 GHz band. The very similar standards and design principles are applicable. 

    • Tom_Manchester's avatar
      Tom_Manchester
      Aspirant

      My wi-fi environment is spread over a large area with eight WAX630E APs. There are not very many users, they just need responsive wi-fi access. Based on this information setting 2.4, 5 and 6 GHz channel width to "Dynamic" and channel selection to "Auto" would enable optimum throughput. Is this correct?

      • schumaku's avatar
        schumaku
        Guru - Experienced User

        Tom_Manchester wrote:

        My wi-fi environment is spread over a large area with eight WAX630E APs. There are not very many users, they just need responsive wi-fi access. Based on this information setting 2.4, 5 and 6 GHz channel width to "Dynamic" and channel selection to "Auto" would enable optimum throughput. Is this correct?


        i would have an eye on the channel lists, e.g. https://en.wikipedia.org/wiki/List_of_WLAN_channels#6_GHz_(802.11ax) for 6 GHz.

         

        The channel width should allow the throughput I would expect from the wireless system, e.g. the client and the access point.

         

        The channels should be distributed in a way over the infrastructure space, so we have ideally independent channels, including the e.g. 160 MHz bandwidth with the n times 20 MHz channels - so all base channel and the related bonding channels are free for each radio system (AP plus client). 

         

        just my ubiquitous comment: You really need all this on pure wireless? Real networks - copper or fiber - will outperform such design, even if optimized - by far. Reminds me to a location where the customer had set-up massive installations with HDMI/12GSDI over wireless. needless to say, the results were not great for the obvious reasons.

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