Before we dive into concept of virtual local area network (VLAN), let’s see what is a local area network and why do we need VLANs. Local Area Network (LAN) A Local Area Network in computer networ...

What is Autonegotiation? It’s a Layer 1 (physical layer) mechanism for two directly connected links to agree on the best speed automatically. Why Autonegotiation is required? It is required to eli...

Limitations of Simulated and Emulated Labs Following lab and output of switch’s CLI (command line interface) shows two multilayer switches in Cisco packet tracer version 8.2.2 does not have comman...

Layer 2 Switch Staging: A Step-by-Step Guide to Expanding Network Capacity Expanding your network by adding new switches is a common need in growing IT environments. Whether it’s to support additi...

Cisco Switch Password Security Configuration Proper password security is essential for protecting your Cisco switch from unauthorized access. Below is a simple checklist and step-by-step guide to ...

Welcome to another blogpost; this document will cover routing protocol OSPF (Open Shortest Path First). But before we dive into OSPF specifics, we need to understand routing and types of routing. A...

Boot process of a switch involves several steps that allow the switch to initialize and become operational. The specific steps can vary between different models of switches or vendors but the basic...

Hello everyone! I’m excited to kick off this new chapter and share my journey toward becoming a Computer Network Expert. Currently, I’m working as a Network Analyst/Admin in the healthcare industr...