OSPF for the Real World - From Zero to Hero

A Modern, Practical training course designed to create competent OSPF engineers. More real world than CCNA or CCNP.

4.81 (369 reviews)
Network & Security
6.5 hours
Jul 2023
last update
regular price

What you will learn

OSPF Concepts and Theory

Configuring OSPF

Verifying OSPF operation

OSPF on Cisco Routers


OSPF , or the Open Shortest Path First protocol, is the most common interior Routing Protocol in Networking. The only other protocol that comes close is IS-IS, and that protocol shares many of the fundamental concepts with OSPF.

Understanding the full depth of OSPF will help you:

  • Pass Certification Exams (CCNA, CCNP, JNCIA, JNCIP, etc...)

  • Conquer Job interviews for Network Engineering positions

  • Succeed and Excel in Network Engineer roles

This course is a modern, practical training series covering the full scope of OSPF. The stated goal of the series is to take anyone with a basic understanding of Networking and Routing, and make them a competent OSPF engineer.

The course will cover the most important (and most confusing) parts of OSPF:

  • OSPF Areas


  • OSPF Neighbor Adjacency States

  • DR / BDR Operation

  • OSPF Metric Calculation

  • OSPF Network Types

  • OSPF Area Types

  • OSPF Configuration and Verification commands

The course focuses on practical training -- most of the lessons involve configurations and demonstrations for the concepts that are taught. 

There is particular emphasis on teaching the difference between verifying a devices configuration vs a devices operation. Every competent engineer must understand the difference between these two items.

The main thing that sets this course apart is the simplicity in which everything is explained an illustrated. You will be hard pressed to find better explanations of all the various OSPF concepts above.



Answering your questions
Udemy tips and tricks

OSPF - Module 1 - Core OSPF Concepts

Lesson 1: OSPF Framework & OSPF Packets: LSDB, LSA, Hello, DBD, LSR, LSU, LSAck
Lesson 2: OSPF Areas and OSPF Types of Routers - Practical OSPF
Lesson 3: OSPF Hello Packets :: Area Types (Stub/NSSA) :: BDR/DR ::
Lesson 4: Neighbor Adjacency States:DOWN ATTEMPT INIT 2-WAY EXSTART EXCHANGE
Lesson 5: Configuration Demo and Show Commands
Lesson 6: Designated Router // Backup Designated Router // DR BDR Election
Lesson 7: OSPF Costs - How OSPF Calculates it's Cost Metric
Lesson 8: Reference Bandwidth - Finding the right reference bandwidth.

OSPF - Module 2 - Link State Advertisements

Lesson 9 Part 1: OSPF LSA - the BEST explanation of the Types of OSPF LSAs
Lesson 10: OSPF Type 1 LSAs and Type 2 LSAs // LSA Deep Dive
Lesson 11: OSPF Type 3 LSAs // LSA Deep Dive
Lesson 12: OSPF Type 4 LSAs and Type 5 LSAs // LSA Deep Dive

OSPF - Module 3 - Network Types and Area Types

Lesson 13: OSPF Network Types - FINALLY, an explanation that makes sense
Lesson 14: OSPF Area Types - Stub, NSSA, Totally Stub, Totally NSSA
Lesson 15: OSPF Demo: Configuring Stub & Totally Stubby areas BONUS: Opaque LSAs
Lesson 16: OSPF Demo: Configuring NSSA and Totally NSSA areas

OSPF - Module 4 - Guarding your OSPF domain

Lesson 17: Passive Interfaces - WHAT are they? WHY do you need them?
Lesson 18: Passive Interface Default
Lesson 19: Simple Password Authentication - OSPF Authentication
Lesson 20: Hash Based Authentication - OSPF Authentication
Lesson 21: Keychains / Key Rotation / hmac-sha keys - OSPF Authentication Part 2
Lesson 21: Keychains / Key Rotation / hmac-sha keys - OSPF Authentication Part 1


OSPF for the Real World - From Zero to Hero - Screenshot_01OSPF for the Real World - From Zero to Hero - Screenshot_02OSPF for the Real World - From Zero to Hero - Screenshot_03OSPF for the Real World - From Zero to Hero - Screenshot_04


September 12, 2023
Excellent content, and explanations. Recommended anyone who wants to completely learn everything about OSPF.
September 8, 2023
Excellent course and really liked the way information was presented in a more practical manner versus just doing theory-based knowledge sharing. Looking forward for more such courses from same instructor.
September 7, 2023
Recommended course. I was having the prior knowledge before starting this course, but I got to know many new concept through this course.
July 28, 2023
This course is so informative in an easy-to-understand way. The use of different colors really helps me understand things and put them together as I am a very visual learner. Awesome course, definitely recommend. Thank you!!!
July 24, 2023
The content is very detailed but easy to digest because of the excellent presentation skills of the trainer.
July 16, 2023
Couldn't be explained better than this. All topics are on point. Great presentation and the Information is easy to digest the way he delivered it. I wish there could be more such as redistribution from other Dynamic routing protocols, prefix-lists, and OSPFv3. Overall, I'm satisfied with the content and learned a lot. Looking forward to more courses from you. Thank you, Ed!
July 13, 2023
the course was neat, easy to understand and follow. It has cleared some of the confusions I had regarding the OSPF. thanks and appreciate the effort you put into the course
July 6, 2023
I think the course is really great. Presenter is easy to understand and well-explains the key takeaways from each lesson. I like the YouTube links to go watch a supplemental video as well. The only item I would suggest is to have a better materials packet for all commands and abbreviations for quicker reference throughout the course and to use when practicing on your own. If it is available, then it was not clearly marked that I found it. Thanks!
July 6, 2023
Wow! Ed is an amazing teacher, I would say one of the best. Just like he said, his instructions are no nonsense and spot on. Thank you David for doing the course with Ed. I have to say I feel like every word is getting into my head after a long time. The last time I experienced this was sitting with my kids to listen to Sal Khan's instructions. Thank you Ed!!
July 2, 2023
The best OSPF series watched. looking forward for more such videos related to load-balancers, firewall, SDWAN
June 11, 2023
The whole premise of this video is what makes it great! A real world view into how OSPF works. It has deepened my understanding of OSPF! Thank you!
May 16, 2023
simple and clear demos on material. well orgranised flow of teaching presentation which helps easier to understand the content. hoping other networking content can be made to course in the future.
May 11, 2023
calm, composed and clear explanation. I find this more informative, clear and easy to understand more than lectures we are paying in Universities.
May 10, 2023
Hands down the best course for OSPF! Loved how visual it was and also loved the fact that Ed not only covered its topics but also went into hands-on demonstrations as well! Would definitely recommend to anyone who are unclear about OSPF!
May 8, 2023
Ed, you deserve more than an accolade. The explanations were on point, and everything became clear as I progressed. Kudos to you, Ed. I must acknowledge that you are more than a network expert.


5/8/2023100% OFF
5/13/2023100% OFF



OSPF for the Real World - From Zero to Hero - Price chart


OSPF for the Real World - From Zero to Hero - Ratings chart

Enrollment distribution

OSPF for the Real World - From Zero to Hero - Distribution chart

Related Topics

udemy ID
course created date
course indexed date
course submited by