VLANs and Layer 3 Switches Explained

In modern network infrastructure, understanding how to segment broadcast domains and enable inter-VLAN communication is fundamental to building efficient enterprise networks. This article explores VLAN technology, trunking protocols, and Layer 3 switching capabilities. Understanding Broadcast Domains and VLANs 1.1 Challenges in Traditional E ...

Posted on Mon, 15 Jun 2026 17:06:48 +0000 by Dane

Designing a Simulated SMB Network with Layered Security and OSPF Routing

This article outlines a functional, multi-tier network architecture simulating a small-to-medium business (SMB) environment with geographically distributed sites. The design emphasizes redundancy, segmentation, dynamic routing, and perimeter security—implemented using Cisco IOS and ASA 5506-X firewall semantics. Architecture Overview The tooplo ...

Posted on Mon, 01 Jun 2026 00:07:14 +0000 by someone