Wireless Access

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Access network design for branch, remote, outdoor and campus locations with Aruba access points, and mobility controllers.
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Wireless Speed

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  • 1.  Wireless Speed

    Posted Feb 06, 2012 04:28 AM

    Hi,

     

    I am using RAP5wn and getting 54 mbps speen over n client. i have also checked the laptop's wireless adapter setting which is fine. can i do any changes into the controller to bost up the speed.

     

    Thanks



  • 2.  RE: Wireless Speed

    Posted Feb 06, 2012 04:32 AM

    Are you using WPA-TKIP?  The 802.11n standard only allows 802.11n or HT speeds if you are doing Open or AES.



  • 3.  RE: Wireless Speed

    Posted Feb 06, 2012 04:36 AM

    I  am using WPA2 psk.



  • 4.  RE: Wireless Speed

    Posted Feb 06, 2012 04:37 AM

    Is it WPA2-TKIP or AES?

     



  • 5.  RE: Wireless Speed

    Posted Feb 06, 2012 04:47 AM

    It's AES ......



  • 6.  RE: Wireless Speed

    Posted Feb 06, 2012 04:49 AM

    Okay.  Under the SSID profile, there is an HT SSID profile.  Make sure HT is enabled.

     



  • 7.  RE: Wireless Speed

    Posted Feb 06, 2012 05:00 AM

    that also i have checked and its enabled.................



  • 8.  RE: Wireless Speed

    Posted Feb 06, 2012 05:04 AM

    Type "show ap bss-table" on the commandline and make sure under the "phy" column, it says g-HT

     

    Also type show ap association to see what rate it is associated at.

     

    Is the client an 802.11n client?



  • 9.  RE: Wireless Speed

    Posted Feb 06, 2012 05:14 AM
      |   view attached

    i have checked and i m attaching the screen shoot of the screen..............



  • 10.  RE: Wireless Speed

    Posted Feb 06, 2012 05:16 AM

    It says the client is associated at g-HT-20-2SS, which is 802.11n.  Where does it say that it is only associated at 54 megs?  Is the client far away from the access point?

     

    type "show ap debug client-table ap-name <name of ap>" to see the TX rate and RX speeds of your clients:

     

    (host) # show ap debug client-table ap-name AP-135
    
    Client Table
    ------------
    MAC                ESSID             BSSID              Assoc_State  HT_State  AID  PS_State    UAPSD            Tx_Pkts  Rx_Pkts  PS_Qlen  Tx_Retries  Tx_Rate  Rx_Rate  Last_ACK_SNR  Last_Rx_SNR  TX_Chains  Tx_Timestamp              Rx_Timestamp
    ---                -----             -----              -----------  --------  ---  --------    -----            -------  -------  -------  ----------  -------  -------  ------------  -----------  ---------  ------------              ------------
    18:46:17:eb:a7:be  ethersphere-wpa2  00:1a:1e:64:12:71  Associated             0x2  Power-save  (0,0,0,0,N/A,0)  154      1277     0        4           58       65       31            32           2[0x3]     Mon Feb  6 02:13:47 2012  Mon Feb  6 02:17:12 2012
    10:93:e9:2a:d9:08  ethersphere-wpa2  00:1a:1e:64:12:71  Associated   M         0x1  Awake       (0,0,0,0,N/A,0)  7        6        0        0           39       6        0             36           2[0x3]     Mon Feb  6 01:59:22 2012  Mon Feb  6 01:59:24 2012
                                                         

     

     

     



  • 11.  RE: Wireless Speed

    Posted Feb 06, 2012 05:18 AM

    client is near to the AP and on the wireless ststus it is displaying 54 mbps.......



  • 12.  RE: Wireless Speed

    Posted Feb 06, 2012 05:20 AM

    The wireless status where?  Windows?  That has errors quite a few times.  The controller says your client is associated at 802.11n.



  • 13.  RE: Wireless Speed

    Posted Feb 06, 2012 12:09 PM

    Have you run any performance/throughput test on your client device? This could be just the OS mis-reading the NIC or a graphical issue only. Try iperf or jperf. Those are good for telling. If it is only running a lower rate, try updating the NIC driver if it's old.