802.11 – Step Back Review
Direct sequence spread spectrum (DSSS) PHY specification for the 2.4 GHz band designated for ISM applications The DSSS system provides […]
802.11 Association Status Codes & Codes
802.11 Association Status Codes Code 802.11 definition Explanation 0 Successful 1 Unspecified failure For example : when there is no […]
802.11 Data Types and Wireshark filters
Type value Type description Subtype value Subtype description Wireshark display filter 00 Management 0000 Association Request wlan.fc.type_subtype == 0x00 00 […]
802.11 Frames
Management Frames 802.11 management frames make up a majority of the frame types in a WLAN. Management frames are used […]
OSI model – 802.11
Data-Link Layer The 802.11 Data-Link layer is divided into two sublayers: The upper portion is the IEEE 802.2 Logical Link […]
MAC architecture
DCF The fundamental access method of the MAC used by 802.11 devices is a distributed coordination function (DCF) known as […]
802.11e/802.1p UP values and IP DSCP values
HCF contention based channel access (EDCA) The EDCA mechanism provides differentiated, distributed access to the WM for STAs using eight […]
802.11 Frame
Workgroup Bridge (WBG)
Background Information A WGB can provide a wireless infrastructure connection for Ethernet-enabled devices. Devices that do not have a wireless […]
Flexconnect -Dynamic VLAN Assignment with RADIUS Server
Dynamic VLAN Assignment with RADIUS Server In most WLAN systems, each WLAN has a static policy that applies to all […]