Easy-to-read, Practical, Technical Guides
A growing collection of tips, tutorials, and troubleshooting guides on computer networking.
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Strategies for Eliminating VM Sprawl: A Practical Approach
Unmanaged growth of virtual machines, known as VM sprawl, leads to inefficient resource utilization, increased costs, and significant administrative difficulties, necessitating proactive prevention. Learn how…
Simplifying Hyper-V Monitoring with ManageEngine OpManager
The contrast between network monitoring before and after virtualization is significant. Before the advent of virtualization, IT administrators faced challenges such as limited resources, scalability…
Testing AAA Configuration on Cisco ASA & Cisco IOS
This tutorial focuses on testing AAA (Authentication, Authorization, and Accounting) on common Cisco ASA and IOS (including IOS-XE and IOS-XR) devices to verify the AAA…
Wireshark Display Filters Cheat Sheet
Efficient packet analysis in Wireshark relies heavily on the use of precise display filters (of which there are a LOT). To assist with this, I’ve…
Secure Your AWS Resources with a Network Firewall
Securing your AWS resources and controlling network traffic is crucial for maintaining the integrity and reliability of your applications. AWS Network Firewall provides a robust…
Protect Your Server Against XSS, DDOS, & SQL Injection with AWS WAF
AWS Web Application Firewall (WAF) is a powerful security service offered by Amazon Web Services (AWS) that helps protect your web applications from various online…
How to Control AWS Transit Gateway Traffic with VRF
In the AWS centralized transit gateway, traffic is routed among VPCs using the transit gateway default route table. In this scenario, you get full mesh…
Connecting Multiple VPCs with AWS Transit Gateway
Managing and connecting the multiple VPCs is challenging and Amazon Web Services (AWS) recognized these complexities and introduced a powerful solution known as AWS Transit…
Using ipconfig: Breakdown of Commands and Options
The ipconfig command is built into the Windows 11 and Windows Server operating systems and provides valuable info about your computer’s network settings. The base…