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Bring performance and reliability to your network with the Aruba Core, Aggregation, and Access layer switches. Discuss the latest features and functionality of the ArubaOS-Switch and ArubaOS-CX devices, and find ways to improve security across your network to bring together a mobile first solution.
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What is the maximum user latching capacity in Aruba 515 AP

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  • 1.  What is the maximum user latching capacity in Aruba 515 AP

    Posted Jun 30, 2022 06:38 AM
    Hi Team,

    I have Aruba 515 AP in our production network i am observing after 60 users latched to the AP the next users or most of the users are facing disconnection issue continuously as per the datasheet the maximum users can be latched is 250 but after 60 users we found this issue.
    Can anyone tell me what will be the issue of this.


    Thanks 
    Sanjib behera


  • 2.  RE: What is the maximum user latching capacity in Aruba 515 AP

    MVP GURU
    Posted Jun 30, 2022 09:19 AM
    Have you checked the client limit setting on the SSID? By default it is set to 64.

    wlan ssid-profile <ssid profile>
    max-clients <number of clients>

    ------------------------------
    Dustin Burns

    Lead Mobility Engineer @Worldcom Exchange, Inc.

    ACCX 1271| ACMX 509| ACSP | ACDA | MVP Guru 2022
    If my post was useful accept solution and/or give kudos
    ------------------------------



  • 3.  RE: What is the maximum user latching capacity in Aruba 515 AP

    Posted Jul 01, 2022 06:53 AM
    Hi Dustin,

    As your suggestion, i have checked it and it is in the default set 64, If i increase the value to 120 will it create any issues?

    For reference please find the output of the SSID profile.

    SSID Profile "HRT_Guest_ssid_prof"
    ----------------------------------
    Parameter Value
    --------- -----
    SSID enable Enabled
    ESSID HRT_Guest
    WPA Passphrase N/A
    Encryption opensystem
    Opmode transition Enabled
    Enable Management Frame Protection (for WPA2 opmodes) Disabled
    Require Management Frame Protection (for WPA2 opmodes) Disabled
    DTIM Interval 1 beacon periods
    802.11a Basic Rates 6 12 24
    802.11a Transmit Rates 6 9 12 18 24 36 48 54
    802.11g Basic Rates 1 2
    802.11g Transmit Rates 1 2 5 6 9 11 12 18 24 36 48 54
    Station Ageout Time 1000 sec
    Station Refresh Direction bidirectional
    Max Transmit Attempts 8
    RTS Threshold 2333 bytes
    Short Preamble Enabled
    Max Associations 64
    Wireless Multimedia (WMM) Disabled
    Wireless Multimedia U-APSD (WMM-UAPSD) Powersave Enabled
    WMM TSPEC Min Inactivity Interval 0 msec
    WMM DSCP Mapping Control Enabled
    DSCP mapping for WMM voice AC (0-63) N/A
    DSCP mapping for WMM video AC (0-63) N/A
    DSCP mapping for WMM best-effort AC (0-63) N/A
    DSCP mapping for WMM background AC (0-63) N/A
    WMM Access Class of EAP traffic default
    Multiple Tx Replay Counters Enabled
    Hide SSID Disabled
    Deny_Broadcast Probes Disabled
    Local Probe Request Threshold (dB) 0
    Auth Request Threshold (dB) 0
    Disable Probe Retry Enabled
    Battery Boost Disabled





  • 4.  RE: What is the maximum user latching capacity in Aruba 515 AP

    MVP GURU
    Posted Jul 01, 2022 08:51 AM
    It will increase the CPU utilization on the AP, and as always with WiFi, decrease the throughput on the AP. WiFi is not a full duplex medium, and only one client can talk at a time. If there are too many clients trying to communicate with the same AP (BSSID) then there will be a lot of interference leading to a lot of re-transmits. You can find the "Practical" client support on the APs details on arubanetworks.com.



    ------------------------------
    Dustin Burns

    Lead Mobility Engineer @Worldcom Exchange, Inc.

    ACCX 1271| ACMX 509| ACSP | ACDA | MVP Guru 2022
    If my post was useful accept solution and/or give kudos
    ------------------------------



  • 5.  RE: What is the maximum user latching capacity in Aruba 515 AP

    Posted Jul 05, 2022 10:55 AM
    Hi,

    Thanks for the support.

    ------------------------------
    Sanjib Behera
    Highradius
    ------------------------------