What Is 802.1q Trunking?
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802.1Q trunking is a method of connecting devices in a local area network (LAN) that allows for the transmission of data over a single link. It is a form of virtual LAN (VLAN) that uses the 802.1Q protocol to segment traffic on a physical link. This type of trunking allows multiple VLANs to be trunked over one link while maintaining network security and performance. This is useful in networks that require a large number of VLANs, as the trunking allows for a single physical connection to carry multiple logical connections.