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802.11 Frames: An In-Depth Overview
I cover a number of advanced topics on the 802.11 protocol and walk you through the different types of 802.11 frames and their purpose. I show how a packet turns into a frame; how that frame turns into bits; and, lastly, how the bits get modulated into the air.
You have heard that Wi-Fi is half duplex, right? Let's tackle the complex discussion of CSMA-CA and break down Layer 1 Carrier Sense and Layer 2 Network Allocation Vector, explaining how both work in concert to make sure of a lower probability that two or more stations will not transmit at the same time. I also give a status of my All Wi-Fi office (AWO) with Cisco 3700 802.11ac access points.
You just deployed Cisco 802.11ac access points, and you want to sniff frames? No problem. I share my real-world experience sniffing 802.11ac frames with Wildpacket OmniPeek directly from Cisco 3700s.
If you design, deploy, or manage a Wi-Fi network, do not miss this session.
• Management, control, and data frames
• LLC, MAC, PLCP, PMD: Know the layers and what each layer does
• CSMA-CA (Layer 1) Carrier Sense and (Layer 2) Network Allocation Vector
• How to capture 802.11ac frames from a Cisco access point
Cisco Designated VIP George Stefanick is a wireless architect employed by Houston Methodist Hospital System. George manages a large and complex wireless network that includes more than 2500 access points and upward of 11,000 concurrent Wi-Fi clients. George has been in wireless communications since 1997 and holds various vendor and vendor-neutral certifications. He focuses on high-density indoor deployments in the healthcare vertical, thereby using his hands-on experience in site survey, RFID, and voice design. As a consultant, George has consulted with Fortune 500 companies using his real-world hands-on experience to meet the needs and challenges in today’s enterprise environments. George is a Cisco Support Community VIP 2012, 2013, and 2014 and Aruba MVP 2014.