Switches

1. Top 10 Network Switch Monitoring Tools & Best Practices for 2025: Elevate Your Network Management
   Selene Gong

   40
   As a seasoned network engineer and IT infrastructure expert, I know that the backbone of any robust enterprise operation is its network. Network switches silently orchestrate the flow of data, enabling access to critical applications, seamless communications, and rapid file transfers. Yet, ...
2. Arista Switch CLI Commands: The Essential Guide for Network Engineers
   Selene Gong

   46
   Arista Networks switches, powered by EOS, are widely used in high-performance and data center environments. For network engineers, IT administrators, and system integrators, mastering Arista Switch CLI commands is critical for efficient configuration, troubleshooting, and management. This guide ...
3. Juniper Switch Factory Reset Guide: Step-by-Step Methods, Default Passwords & Troubleshooting
   Selene Gong

   46
   At some point, every network engineer or IT administrator faces a familiar challenge: a Juniper switch that needs a fresh start. Maybe you’ve forgotten the admin password, inherited second-hand equipment, or are preparing devices for a new deployment. In these cases, the quickest solution is ...
4. How to Configure VLAN on Cisco Switch: Step-by-Step Guide for IT Professionals
   Selene Gong

   46
   Virtual Local Area Networks (VLANs) are essential for network segmentation, security, performance, and scalability. This guide provides a step-by-step walkthrough on how to configure VLAN on Cisco switch, covering VLAN creation, assigning ports to VLAN Cisco switches, configuring trunk ...
5. How to configure DNS and DHCP on Cisco switches?
   Selene Gong

   39
   Learn how to configure DNS and DHCP on Cisco switches to simplify network management. This guide covers CLI commands for setting up DHCP pools, excluding addresses, defining default gateways and DNS servers, and configuring switch DNS. It also provides verification, troubleshooting, and best ...
6. Smart Network Solutions: Your Guide to Refurbished and Used Cisco Devices
   Selene Gong

   60
   TL;DR: Buying refurbished or used Cisco devices saves up to 70% while ensuring reliability. Cisco Refresh and trusted resellers like router-switch provide warranty, licensing, and support. Always verify compatibility and software licenses before purchase. In today's fast-paced digital ...
7. Spanning Tree Protocol (STP) on Cisco Switches: Complete Configuration & Optimization Guide
   Selene Gong

   47
   For network engineers, IT professionals, and system integrators worldwide, ensuring network stability and redundancy is paramount. One protocol at the foundation of this stability, especially in Layer 2 networks, is the Spanning Tree Protocol (STP). This guide will delve into spanning tree ...
8. What is SNMP and How to Monitor Cisco Switches Effectively
   Selene Gong

   41
   Enterprise networks are becoming increasingly complex, and device issues can lead to downtime and operational losses. Understanding SNMP (Simple Network Management Protocol) and configuring it correctly on Cisco switches is essential for proactive network monitoring, troubleshooting, and ...
9. Cisco Access Lists (ACLs): A Complete Guide for Beginners and Enterprise Network Engineers
   Selene Gong

   40
   When it comes to securing and optimizing a Cisco network, few tools are as powerful—and often misunderstood—as Access Control Lists (ACLs). Whether you’re a beginner searching “What is access list in Cisco?” or an enterprise engineer trying to troubleshoot why an application is being ...
10. Cisco Catalyst 2960 / 2960X Default Username and Password: Complete Guide for Network Engineers
    Selene Gong

    43
    Cisco Catalyst 2960 and 2960-X/XR switches are widely deployed in enterprise networks for their reliability and robust performance. However, managing default usernames and passwords, especially during initial deployment, password recovery, or handling second-hand devices, can be challenging. ...