802.1q

802.1q definition - telecom
The IEEE specification that defines a virtual LAN (VLAN), which allows multiple logical LANs to share the same physical infrastructure. 802.1q defines a 32-bit tag that is added to the frame header to identify the specific VLAN and provide for priority indication. See also frame, IEEE, header, LAN, logical, physical, and VLAN.

Webster's New World Telecom Dictionary Copyright © 2008 by Wiley Publishing, Inc., Indianapolis, Indiana.
Used by arrangement with John Wiley & Sons, Inc.

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