OSPF Virtual Link Explained
What is OSPF Virtual Link, when to use it, and how to configure it? An OSPF virtual link is a shortcut that allows an isolated OSPF area to connect to the backbone area 0. The virtual link helps network administrators…
OSPF Network Types Explained
OSPF Network Types Explained in Detail If you’re working with OSPF, you must be familiar with the different types of networks you can use. There are three core OSPF network types – Broadcast, point-to-point, and non-broadcast – and two Cisco-proprietary…
Types of OSPF Routers-OSPF Area Border Routers or ABR
What are the types of OSPF Routers-OSPF Area Border Routers or ABR OSPF is the most widely used routing protocol in networking. Knowing the types of OSPF routers and, most importantly, Area Border Routers in OSPF becomes crucial to understanding…
OSPF Area Types – [Infographics]
What are the OSPF Area Types? In my last post, we discussed OSPF building blocks, aka OSPF LSA types. This blog post will explain what OSPF area types are, why we need them, their benefits, how they work, and how…
OSPF LSA Types Explained – [Infographic Cheat Sheet]
OSPF Link State Advertisements – All 11 OSPF LSA Types Explained An important part of OSPF is the Link State Advertisements (LSAs). LSAs are generated by every router in the AS and contain information about the router’s links and connected…
OSPF states Explained [with Infograhic]
The OSPF Neighbor States Explained with Infographic I recommend you read my previous blog post about OSPF and how it works first. This article will help you understand different OSPF states and the importance of forming and maintaining OSPF neighbors. Let us…
Open Shortest Path First – What is OSPF in Networking
In this article, we’ll discuss What is OSPF in networking and how OSPF works? We will also define its basic concepts, like why and how OSPF forms neighbors, its Pros and Cons, OSPF message format, and its packets. What is OSPF in…
What is Routing Information Protocol – RIP v1 and v2 – The Definitive Guide
In this post, we’ll define what is Routing Information Protocol or RIP and how it works, and show its pros and cons before diving into details like versions (RIP v1 and v2), timers, update types, and configuration. We will also discuss split…
Understanding Dynamic Routing Protocols Types [with Infographic]
Dynamic Routing Protocols Types and their Details In my previous post, we discussed what routing is and who does it work. In this article, we will focus on understanding Dynamic Routing Protocols types. How many commonly used routing protocols are out…
What is a floating static route, and its characteristic?
What is a floating static route, and what are its characteristics? This post will show how to configure a floating static route and provide a workflow and example configuration for real-world scenarios. What is a floating static route? As the name suggests, a floating static route…