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RA, DA, TA and BSSID all same MAC address

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  • 1.  RA, DA, TA and BSSID all same MAC address

    Posted Apr 07, 2016 03:35 AM

    I have a special case, which I cant really understand.

     

    Notebook with Intel 8260ac module. Driverpackage is 18.30

     

    At each association with any Access-Point (initial connection or roaming) I see many frames with following information:

    Receiver Address (RA) = Client MAC

    Destination Address (DA) = Client MAC

    Transmitter Address (TA) = Client MAC

    STA adress = Client MAC

    BSSID = Client MAC

    Type = Data 0x0020

    ToDS = 1, FromDS = 0

     

    Frame length: 8 times 210 byte, followed by single 4050 and single 850 byte

     

    Frames are captured on that channel, the clients then connects to. I tested all channels and I can see these frames than on each channel in 2,4 and 5 GHz (ETSI domain). Frames are transmitted right before Authentication/Association with the AP and during 802.1x authentication. 

     

    Any ideas? missbehavior? 

     



  • 2.  RE: RA, DA, TA and BSSID all same MAC address

    EMPLOYEE
    Posted Apr 23, 2016 06:35 AM

    Screen capture of the packet, please.