how to find vlan id

Diagram Illustrating Vlan Id Ranges On Cisco Catalyst Switches, Showing Normal Vlan Range From 1 To 1005 With Reserved Vlans 1002-1005, And Extended Vlan Range From 1006 To 4094.
CCNA

VLAN ID Range Explained: Normal and Extended Ranges on Cisco Switches

An accurate, practical guide to VLAN ID ranges for anyone studying CCNA or managing a Cisco network. Technical details here follow the IEEE 802.1Q standard and Cisco’s official documentation. Cisco Catalyst switches support a VLAN ID range from 1 to 4094, divided into a normal range (1–1005) and an extended range (1006–4094). The normal range...

Muhammad Khattak 5 min read
Diagram Showing A Single Switch With Ports Color-Coded Into Three Separate Vlan Broadcast Domains
CCNA

Virtual LANs (VLANs): Concepts, Types, and Configuration

A router blocks broadcast traffic between networks, but routers typically have a limited number of LAN interfaces — you can’t practically give every department its own physical router port. VLANs solve this at Layer 2 instead, letting a single switch (or group of switches) segment traffic into multiple logically separate networks without any additional physical...

Muhammad Khattak 9 min read
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