802.11 Packet Structure
80211beacon.pcap
The primary difference between wireless and wired packets is the addition of the 802.11 header. This is a layer 2 header that contains extra information about the packet and the medium on which it is transmitted. There are three types of 802.11 packets:
| Management These packets are used to establish connectivity between hosts at layer 2. Some important subtypes of management packets include authentication, association, and beacon packets. |
| Control Control packets allow for delivery of management and data packets and are concerned with congestion management. Common subtypes include request-to-send and clear-to-send packets. |
| Data These packets contain actual data and are the only packet type that can be forwarded ... |
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