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Benefits of Vlans and Q in Q

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Benefits of Vlans and Q in Q

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  • Author: Gary Macknofsky
The terms VLAN and Q in Q are common in Ethernet technology. While both these notions are beneficial to Ethernet networking, it is important to understand the basics so as to better comprehend their advantages. This article defines these terms, describes their benefits and provides concrete examples of how Q in Q and VLANs are used. Q in Q is an informal industry term that refers to the doubling up of IEEE 802.1Q. More commonly though, Q in Q is also known as virtual local-area network (VLAN) stacking or double-tagging.

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