CCNA 2 - Capitulo 12.3.1

CCNA 2 - Capitulo 12.3.1

1. WIRELESS NETWORK

   • WLAN OPERATION
     • 802.11 FRAME STRUCTURE
       • FIELDS
         • FCS
           • LAYER 2 CONTROLE ERROR
         • HEADER
           • FRAME CONTROL
             • TYPE OF WIRELESS FRAME
             • PROTOCOL VERSION
             • ADDRESS TYPE
             • FRAME TYPE
             • POWER MANAGEMENT
             • SECURITY SETTINGS
           • DURATION
             • DURATION NEED TO RECEIVE TE NEXT FRAME
           • FROM A WIRELESS DEVICE
             • ADDRESS 1 RECEIVER ADDRESS
               • MAC OF THE AP
             • ADDRESS 2 TRANSMITTER ADDRESS
               • MAC OF THE SENDER (END WORKSTATION)
             • ADDRESS 3 SA , DA , BSSID - MAC OF THE DESTINATION
               • MAC OF THE DESTINATION (COMMONLY IS DEFAULT GATEWAY)
           • SEQUENCE CONTROL
             • CONTROL SEQUENCING
             • FRAGMENTED FRAMES
           • FROM THE AP
             • ADDRESS 4
               • ONLY IN AD HOC MODE
                 • USED ONLY THIS MODE USED
             • ADDRESS 1 RECEIVER ADDRESS
               • MAC OF THE SENDER (WORKSTATION END)
             • ADDRESS 2 TRANSMITTER ADDRESS
               • MAC OF THE AP
             • ADDRESS 3 - SA , DA OR BSSID
               • MAC OF THE DESTINATION (COMMONLY IS DEFAULT GATEWAY)
         • PAYLOAD
           • DATA FOR TRANSMISSION