August 16, 2019

Master VLAN Configuration in Cisco Switches – Updated 2025

Virtual Local Area Networks (VLANs) are a fundamental concept in network engineering, allowing network administrators to segment a physical network into multiple logical networks. This segmentation enhances security, optimizes traffic flow, and simplifies network management. For CCNA and CCNP students, mastering VLAN configuration on Cisco switches is critical, as it forms the backbone of many… Read more

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Introduction to VLAN ID Range – Exclusive Explanation (Updated 2025)

Cisco Catalyst switches support a VLAN ID Range from 1 to 4094, divided into normal (1-1005) and extended (1006-4094) ranges. The normal range suits small to enterprise networks, with VLANs 1002-1005 reserved for Token Ring and FDDI, and cannot be removed. Extended ranges, stored in the running-config, support service providers but offer fewer features and

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