IGP Articles

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IGPMay 17, 2024

IS-IS vs. BGP: Which Routing Protocol Wins for Scalability?

In the world of network routing, choosing the right protocol can make or break the scalability and efficiency of your network. Two heavyweight contenders in this arena are Intermediate System...

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IGPMay 17, 2024

OSPF vs IS-IS Routing Protocols: A Detailed Comparison

OSPF vs IS-IS Routing Protocols: A Detailed Comparison In the world of network design and implementation, choosing the right routing protocol is crucial for building efficient, scalable, and robust networks....

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IGPMay 17, 2024

Understanding IS-IS Routing Protocol: A Beginner's Guide

The Intermediate System to Intermediate System (IS-IS) routing protocol might not crowd the limelight as much as its counterparts like OSPF or BGP, but its role in large scale network...

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IGPMay 8, 2024

BFD vs. OSPF: A Comparison

In the complex landscape of network protocols, understanding the dynamics and functionalities of each component is crucial for optimizing network performance and reliability. Bidirectional Forwarding Detection (BFD) and Open Shortest...

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IGPApril 17, 2022

IS-IS Routing Ptrotocol

IS-IS is a link-state routing protocol, similar to OSPF. If you are looking for Service Provider grade, MPLS Traffic Engineering support, and extendible routing protocol for easier future migration then...

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IGPApril 8, 2022

OSPF LSA Types Explained 11 Types of LSA in OSPF!

OSPF LSA Types is the first topic you need to understand if you are trying to understand OSPF routing protocol. There are 11 different types of LSA in OSPF and...

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IGPApril 6, 2022

OSPF Load Balancing

OSPF Load Balancing is to place multiple next-hops into the Routing and Forwarding table for a given IP destination prefix. In this post, we will look at OSPF Load Balancing,...

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IGPJanuary 20, 2020

IS-IS Design Considerations on MPLS backbone

IS-IS Design - Using IS-IS with MPLS require some important design considerations. IS-IS as a scalable link state routing protocol has been used in the Service Provider networks for decades....

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IGPNovember 26, 2019

IS-IS Overload Bit – Why IS-IS Overload bit is used? What are the use cases?

In this post, I will explain the Overload bit which is an important feature of the IS-IS routing protocol. When a router that runs an IS-IS routing protocol has a...

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IGPNovember 26, 2019

IS-IS Routing Protocol Interview Questions

IS-IS Interview Questions - IS-IS is a link state routing protocol. Commonly used in Service Provider networks. Back in old days, IS-IS routing protocol software was more stable and robust...

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