{"id":119459,"date":"2025-01-07T14:06:08","date_gmt":"2025-01-07T19:06:08","guid":{"rendered":"https:\/\/jumpcloud.com\/?post_type=it-index&p=119459"},"modified":"2025-02-14T17:58:29","modified_gmt":"2025-02-14T22:58:29","slug":"what-is-vlan-id","status":"publish","type":"it-index","link":"https:\/\/jumpcloud.com\/it-index\/what-is-vlan-id","title":{"rendered":"What Is a VLAN ID?"},"content":{"rendered":"\n

Network segmentation<\/strong> is key to security, performance, and traffic organization in enterprise environments.<\/p>\n\n\n\n

This guide provides an overview of VLAN IDs, exploring their technical definition, operation within the IEEE 802.1Q standard<\/a><\/strong>, significance in network management, and configuration best practices.<\/p>\n\n\n\n

VLAN ID Definition<\/strong><\/h2>\n\n\n\n

A VLAN ID is a unique numerical identifier assigned to a VLAN, distinguishing it from other VLANs within the same network. Defined by the IEEE 802.1Q standard, VLAN IDs range from 1 to 4094, offering thousands of possible identifiers to accommodate diverse network requirements.<\/p>\n\n\n\n

These IDs are embedded within Ethernet frames to facilitate VLAN tagging, ensuring switches recognize and route packets to the appropriate network section. By tagging traffic with VLAN IDs, businesses achieve better traffic management and isolate traffic across devices and departments.<\/p>\n\n\n\n

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Key Characteristics of VLAN IDs<\/strong><\/h3>\n\n\n\n