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Individual specifications in the 802 series are identified by a second number. For example, 802.3 is the specification for a Carrier Sense Multiple Access network with Collision Detection (CSMA/CD), which is related to (and often mistakenly called) Ethernet, and 802.5 is the Token Ring specification. Other specifications describe other parts of the 802 protocol stack. 802.2 specifies a common link layer, the Logical Link Control (LLC), which can be used by any lower-layer LAN technology. Management features for 802 networks are specified in 802.1. Among 802.1’s many provisions are bridging (802.1D) and virtual LANs, or VLANs (802.1Q).

From

Cover of 802.11 Wireless Networks: The Definitive Guide, 2nd Edition

Note

misconception about 802.3 being ethernet