Wireless Access

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Access network design for branch, remote, outdoor, and campus locations with HPE Aruba Networking access points and mobility controllers.
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Poor WiFi Signal and Speed

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  • 1.  Poor WiFi Signal and Speed

    Posted Dec 01, 2017 06:50 AM

    Hello

     

    I have recently implemented a new Wifi network in our school. Here is the scenario:

    Aruba Central Management

    25 - 315 IAP

    2 - External 275 IAP

    4 SSID

     

    At the moment I have a big roblem with both speed and signal. 

    A lot of clients are able to connect to SSID but then have very poor speeds, 1 or 2 Mbps when other clients reach 80Mbps.

     

    Any suggestions are appriciated



  • 2.  RE: Poor WiFi Signal and Speed

    EMPLOYEE
    Posted Dec 01, 2017 09:03 AM
    You should make sure you have Broadcast Filtering set to ARP in the advanced portion of your SSIDs. That could improve performance greatly.


  • 3.  RE: Poor WiFi Signal and Speed

    Posted Dec 01, 2017 09:46 AM

    Thank you for the reply.

    This option is already set.



  • 4.  RE: Poor WiFi Signal and Speed

    EMPLOYEE
    Posted Dec 01, 2017 11:33 AM

    How far apart are your acess points?

    What is your ARM Minimum and Maximum transmit power?



  • 5.  RE: Poor WiFi Signal and Speed

    Posted Dec 04, 2017 10:34 AM
      |   view attached

    Thanks, IAP are approximately 15 metres apart.

    ARM Min Power 24

    ARM Max power Max

     

    I have aattached a screenshot of my VC list of clients. The same clients will connect without an problem and then disconnect or have very poor speed.

     



  • 6.  RE: Poor WiFi Signal and Speed
    Best Answer

    EMPLOYEE
    Posted Dec 04, 2017 11:36 AM

    You have two problems:

     

    1. Most clients do not have a transmit power over 18, so having a minimum of 24 causes a "sticky" client issue and interference like you are experiencing.  You should try minimum 12 and maximum 18

    2.  You have 80 mhz channels enabled, which is an inefficient use of channels in a high density environment.  You should try disabling 80 mhz channels in your ARM configuration to give your access points more channels to operate in.



  • 7.  RE: Poor WiFi Signal and Speed
    Best Answer

    Posted Dec 07, 2017 08:01 AM

    Thank you

    I have done as suggested and things improved. Then I noticed that all my switch ports had been switched to half-duplex. Reason still not known.

    Once I fixed this speed and connectivity going much better.