Category CCIE R&S

In this article, we'll go over 5 common BGP misconfigurations, exploring their impacts and addressing how to fix them.

Afroz Ahmad
March 15, 2023

BGP, CCIE R&S, Routing and Switching

BGP Security Best Practices

In this article, we will discuss 14 BGP Security best practices. These best practices will help ensure that your network is protected from potential attacks and breaches.

Afroz Ahmad
March 9, 2023

BGP, CCIE R&S, Routing and Switching

The goal of this article is to give you a full understanding of the six BGP states of a BGP session, which are idle, connect, active, OpenSent, OpenConfirm, and established, as well as how BGP moves between them.

Afroz Ahmad
December 21, 2022

BGP, CCIE R&S, Routing

What is BGP in Networking and How it Works: Explained in [Simple] Terms

In this guide, you'll learn what is BGP in Networking, how it works, and some of its key features, benefits, challenges, and ways to learn BGP concepts faster.

Afroz Ahmad
December 7, 2022

CCIE R&S, OSPF, Routing and Switching

OSPF Troubleshooting Commands Cheat Sheet

After writing a series of blog posts on OSPF, I thought it would be great to put together a list of OSPF troubleshooting commands that any network engineer can use in real-world situations. These OSPF commands will help you in…

Afroz Ahmad
November 8, 2022

CCIE R&S, Switching

Difference between Spanning Tree versions: MSTP vs RSTP vs STP vs PVSTP

What is the Difference between spanning tree versions: MSTP vs RSTP vs STP vs PVST When it comes to configuring Spanning Tree Protocol (STP) on network devices, there are several options to choose from. The four most common are: Multiple…

Afroz Ahmad
March 31, 2022

CCIE R&S, Routing and Switching, Switching

STP – Spanning Tree Protocol explained in detail

STP – Spanning Tree Protocol Explained in-depth A Spanning Tree Protocol or STP is a layer2 protocol used to prevent loops in a network by ensuring that a single path exists between any two nodes in the network. In this…

Afroz Ahmad
March 9, 2022

CCIE R&S, Routing and Switching, Switching

VLAN Tagged vs Untagged – What is the difference?

VLAN Tagged vs Untagged Tutorial After reading an in-depth article about VLANs, you might still have questions about the differences between VLAN tagged vs. untagged? This blog post will discuss this topic in easy to understand language. Let’s briefly discuss…

Afroz Ahmad
January 6, 2022

CCIE R&S, Routing and Switching, Switching

What are VLANs and Private VLANs and How VLANs work

What-are-VLANs-Network-with-Mutiple-VLANs

What are VLANs and How VLANs work You might have many questions about VLANs. For example, what are VLANs, their benefits, configuration, and how do they work and differ from a LAN? Don’t worry, this blog post will discuss everything…

Afroz Ahmad
January 4, 2022