Summary

The IEEE 802.11 standard works over radio frequencies for communication purposes. CSMA/CD facilitates the collision-free environment required for a high-performance wireless networks.

There are commonly three types of frames observed while doing wireless traffic analysis: management, control, and data frames. Management frames control the establishment of the connection, control frames manage the transmission of packets, and data frames consist of the actual data.

Enterprise authentication protocol (EAP) in LAN becomes EAPOL, which is used in 802.11 infrastructures (RADIUS/ AAA) for the exchange of master keys.

EAP is used to let the exchange of master keys take place. As defined in RFC 3748, EAP is an authentication framework that supports multiple kinds of authentication methods, and to execute EAP, you do not require an IP because it runs over a data-link layer.

Access points broadcast beacon frames that wireless clients listen for. Also, wireless clients may send a probe request...