Internet Services, Modems & Routers, Tech Reviews, Computer Networking, Security, and more!

Afroz Ahmad – Main Author of

Welcome to Afroz Ahmad – I’ve been writing about computer network technologies on my blog since 2012. My name is Afroz Ahmad, and I am a seasoned Network Engineer and author of

I’m a CCIE with more than 17 years of experience in Computer Networking, Data Centers, Telecom, Internet Services, and ISPs. Currently, I work as a Network Designer for a leading ISP equipment vendor. I share my expertise through my blog and courses, aiming to help people solve everyday internet issues, select the appropriate equipment for their tech needs, and simplify complex networking concepts for both beginners and experienced professionals.

Read more about me >>

Reach out to me with any questions you have on Computer Networking, Modems, Routers, Internet services, etc.

Popular Posts

Latest Posts

How DHCP Snooping Works

What is DHCP Snooping: DHCP Snooping Explained in Depth

Afroz AhmadApr 28, 202313 min read
Discover what is DHCP Snooping and its significance in network security. Learn how it prevents DHCP-based attacks and rogue servers in our comprehensive guide.
What is Traceroute Command and How does Traceroute work

What is Traceroute Command and How it Works: A Comprehensive Guide

Afroz AhmadApr 20, 20239 min read
Discover the power of traceroute command in this comprehensive guide, covering its purpose, usage across platforms, reading outputs, response types, and network troubleshooting. Unravel the complexities of this essential network diagnostic tool.
What is Netstat command

What is Netstat Command: Functions, Usage & Network Insights

Afroz AhmadApr 18, 20239 min read
Uncover what the netstat command is, what it does, and how to use it effectively for network troubleshooting, monitoring, and optimization.
What are Proxies and How Proxies Work?

What are Proxies in Networking, and what are Proxies used for?

Afroz AhmadApr 13, 20238 min read
This guide covers the essentials of network proxies, including their function, benefits, drawbacks, and a comparison of free and paid options.
What is TTL in networking

What is TTL in Networking?

Afroz AhmadApr 11, 20236 min read
Explore Time To Live (TTL) in computer networking, its purpose, mechanism, implementation in protocols, troubleshooting, real-world examples, and best practices.
How NAT Works?

What is NAT, How NAT Works, and Types of NAT

Afroz AhmadApr 10, 20238 min read
Explore Network Address Translation (NAT) in computer networking, its purpose, types, benefits, limitations, and real-world applications. Understand NAT’s role in IPv4 and IPv6 networks.
Guidelines to Effective Communication for Personal and Professional Success

20 Guidelines to Effective Communication for Personal and Professional Success

Afroz AhmadApr 6, 202310 min read
Improve your communication skills with these 20 essential guidelines for effective communication in personal and professional settings. Learn how to tailor your message, listen actively, and provide context for better collaboration and success.
How to Manage Stress and Burnout in the IT Industry

How to Manage Stress and Burnout in the IT Industry: Reasons, Signs, and Best Practices

Afroz AhmadApr 4, 202310 min read
Learn reasons, signs, and practical strategies to prevent and manage stress and burnout in the fast-paced IT industry. Get expert advice and helpful tips today.
Interconnecting Cloud Networks to Customer On-Premise Networks using BGP

BGP in the Cloud: How BGP is Used in Cloud Networking

Afroz AhmadMar 31, 20238 min read
Discover how to use BGP in cloud Networking, covering interconnecting cloud networks to customers’ on-premise network, connecting regions, internet routing, route aggregation, and ensuring high availability.
BGP Multihoming with Two ISP and One Customer Router

Juggling Connections: Cisco BGP Multihoming with Two Different ISPs

Afroz AhmadMar 28, 20239 min read
In this article, we’ll discuss configuring Cisco BGP multihoming with two ISPs, along with the benefits, challenges, and best practices. We’ll also provide Cisco configurations and verification commands for your reference.
BGP Misconfiguration - Incorrect ASN

5 Common BGP Misconfigurations, their impact, and How to Fix Them

Afroz AhmadMar 15, 202310 min read
In this article, we’ll go over 5 common BGP misconfigurations, exploring their impacts and addressing how to fix them.
BGP Security Best Practices

BGP Security Best Practices

Afroz AhmadMar 9, 20238 min read
In this article, we will discuss the 14 BGP Security Best Practices. These best practices will help ensure that your BGP-based network is protected from potential attacks and breaches.
BGP Regular Expression Cheat Sheet

What is BGP Regular Expression, and How to Use it Effectively?

Afroz AhmadMar 1, 20239 min read
In this comprehensive guide, we will cover everything you need to know about BGP regular expressions, or “regex,” and how to use them effectively in your network.
How to be Successful in IT Industry: Essential Tips and Strategies

How to be Successful in IT Industry: Essential Tips and Strategies

Afroz AhmadFeb 8, 20238 min read
Unlock your tech success as an IT professional with our essential tips and strategies on how to be successful in IT industry. Learn to navigate the field, find resources, and gain knowledge in a fun and manageable way.
eBGP vs iBGP Comparison Chart

eBGP vs iBGP: The Dynamic Duo of Routing Protocols

Afroz AhmadJan 23, 20238 min read
EBGP and IBGP are like your two best friends — one gets you out of the house and lets you explore the world (eBGP), while the other helps keep things running smoothly inside (iBGP). Today, we’ll dive into the exciting topic of eBGP vs iBGP.
Navigating the World of Network Engineering_ Fundamentals, Trends, and Solutions

How to Navigate the World of Network Engineering in 2024: Fundamentals, Trends, and Solutions

Afroz AhmadJan 17, 202315 min read
Real-world insights on Fundamentals, Trends, and Solutions for a successful career in network engineering.
How to advertise routes in BGP - 5 ways

How to advertise routes in BGP – 5 Simple Techniques

Afroz AhmadJan 13, 202311 min read
Master the art of BGP route advertisements and control your network like a pro. Learn how to advertise routes in BGP with our practical guide.
BGP Best Path Selection Algorithm Cheat Sheet

List of BGP Attributes and the BGP Best Path Selection Algorithm

Afroz AhmadJan 4, 202310 min read
In this article, we’ll take an in-depth look at BGP path attributes, the best path selection process, and its cheat sheet.
BGP Message Types

BGP Message Types

Afroz AhmadDec 29, 20223 min read
In this blog post, we’ll take a detailed look at the different types of BGP messages (Open, Keepalive, Update, and Notification) and how they are used.
BGP Neighborship Establishment and Maintenance Process

BGP Neighbor Establishment Process Explained

Afroz AhmadDec 29, 20226 min read
This article will explain the process of establishing and maintaining a BGP neighbor relationship, including the steps and configuration involved and the messages exchanged.