Cisco – WiFi Hawk
If you haven’t used Cisco tools for your WiFi work, then you are missing a great deal of help coming …
Tag Archives: CWAP
CWAP – Protocol Analysis
For wireless network analysis, promiscuous mode is no longer good enough. This mode would require the wireless card to be …
CWAP – HT Operations IE
Here are the information elements added in 802.11n (HT) In this post we will see the details of HT Operations …
CWAP – Data Frame Address Fields
Below shows a frame format of a Data Frame. (source IEEE 802.11-2012 standard) The content of the address fields of …
CWAP – 802.11 Fragmentation
Fragmentation The process of partitioning an MSDU or an MMPDU into smaller MAC level frames, MPDUs, is called fragmentation. The …
CWAP – 802.11 Protection Mechanism
Protection mechanisms cause a STA that is a potential interferer to defer any transmission for a known period of time. …
CWAP- 802.11 Data: Frame Aggregation
With the ratification of 802.11n amendment, two types of frame aggregation were added to 802.11 1. Aggregate MAC Service Data …
CWAP- MAC Header : Sequence Control
The Sequence Control field is 16 bits in length and consists of two subfields, the Sequence Number and the Fragment …
CWAP 802.11 Ctrl : PS-Poll
When a client station is set for Power Save mode, it will shut down some of the transceiver components for …
CWAP – 802.11 : Block Ack
The Block Ack mechanism improves channel efficiency by aggregating several acknowledgments into one frame. There are two types of Block …
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