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Glossary: Networking Basics

VLAN

Also written: virtual LAN, VLANs

Virtual LAN: one switch split into separate LANs by giving each port a VLAN number, such as 10 for staff and 30 for guests. Each VLAN is its own broadcast domain, and only a router can pass traffic between them.

Where the book teaches it

Related terms

trunkVLAN tagaccessbroadcast domainsubnetting