Capturing WLAN Packets using WireShark

If you are studying for CCNP Wireless or CWNP Certification, an essential part of the study process is actually getting to lab it all out so as to understand the concepts. I noticed that my Wireshark output lacked the 802.11 management or control packets while trying to capture Open System Authentication process. This blog will explain … Continue reading Capturing WLAN Packets using WireShark

CCIE version 3.0 Wireless Summary Notes 1 : IEEE 802.11 Primary MAC Layer Functions Part 2

Connectivity To connect, the client must go through the following: Scanning for networks Includes passive or active scanning mode (or both). Many vendors use both. Passive scanning: Client tunes to each channel, listens for a period of time, and monitors 802.11 beacon frames (AP transmits beacons by default every 100 milliseconds on a specific RF) Client records the RSS … Continue reading CCIE version 3.0 Wireless Summary Notes 1 : IEEE 802.11 Primary MAC Layer Functions Part 2