OSPF Authentication: What, Why, and How to Configure?
This article provides comprehensive coverage of OSPF authentication, including an explanation of what it is, why you should actively use it, and how to configure and troubleshoot it.
Category OSPF
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OSPF Troubleshooting Commands Cheat Sheet
In this blog post, you will find a comprehensive list of OSPF troubleshooting commands network engineers can utilize in real-world scenarios.
OSPF Path Selection Process Explained
In this article, we will discuss the steps that OSPF takes to determine the optimal path to each destination network and how you can manipulate some of the OSPF parameters to affect the overall behavior of the OSPF path selection process.
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 Cost Manipulation
OSPF Cost Manipulation ====================== The equation used for cost manipulation in OSPF is :- OSPF Cost=Reference Bandwidth/Interface Bandwidth It simply means that we can manipulate any one of the three parameters to adjust our OSPF cost. First of all we…
