REAL LIFE example!! (TCP/IP and OSI layers) // FREE CCNA // EP 4

0:40 ⏩ starting the journey
2:03 ⏩ the Application Layer (7)
3:54 ⏩ the Transport Layer (4)
4:57 ⏩ ENCAPSULATION!!!!
5:57 ⏩ the Network Layer (3)
7:07 ⏩ the Data Link Layer (2)
8:49 ⏩ DE-encapsulation
10:41 ⏩ MORE de-encapsulation
12:30 ⏩ QUIZ TIME!!!

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[JerseyJeff]

I don't think I've ever seen/heard a more detailed explanation of the journey of a packet. This is awesome.

[DUBS]

Took ccna classes a few years back and everything he's touched on thus far is on point. Having someone who loves what they do break it down in layman's terms is much more effective in teaching than being told to read and learn from some dry textbook.

Excited to see more of these in the future!
Thanks Chuck!

[stevc]

This man is single handedly getting me a career in IT

[saleemogunniyi]

I’m ccna certified but I’m still watching your ccna video, you make ccna simple, fun and enjoyable, I should have learn from you from the beginning . Sad I had to do it hard way. Good luck to anyone watching this, you are all in the right place.

[welshhibby]

My wife left me but Im enjoying this course.

[whats-better]

I spent a long time learning this ... Thank you for making TCP/OSI so practical .. This should be taught to students in schools/colleges so they can get their hands on with the packet tracer and explore it.

[mckenzieferguson]

My networking classes made this seem 1, 000 times harder!!!! Best series I have found!

[MotivationInvest]

I studied for my CCNA years ago and can remember it being 10 times more confusing. You've made it simple Chuck, Thanks!

[beric]

Nice video. How to remember the format of data in the 4 bottom levels of the OSI model -
Physical: Bacon (bits)
Data Link: Frying (Frames)
Network: Produces (packets)
Transport: Salivation (segments).

[CJ-lruq]

You are the best teacher I've found on YouTube by far. You actually explain everything in a clear and concise manner as you go along, instead of just throwing around IT jargon and assuming we already know what you mean, or explaining it in a very convoluted way. I thought I wasn't smart enough to learn this stuff, but with your videos I can understand all of this with ease. Thanks for doing what you do, Chuck.

[ashokc]

It’s amazing how you maintain that positivity and energy

[EJayGee]

The "I suck at subnetting series" and this series of videos has taught me more about networking than any of my networking classes in college. You're awesome Chuck!

[SeediaNyassi]

Even after 3 years, this video still wins. Dr chuck i give you that title because your videos are treating me so smoothly like a patient through my network carrier. Watching from the Gambia. thanks so much. You actually deserves 100M subscribers all wishes Bro.

[IanSilk]

I struggled with this for the past few months, but now I get it. I must have watched this a few times before, but it never sunk in initially until recently. When it clicks, it clicks.

Thanks for the content, it's really helping me in my career, and in my development in general.

[efanheadford]

I'm a second year studying Cyber Security and Computer Forensics, and I'm making a video on TCP/IP and OSI for the first years and to go onto the uni's YouTube channel, let me just say that this video, as well as your other on TCP/IP and OSI have been absolutely invaluable to the process! I've not found anywhere else that's described and explained the process as well as you have, in a manner both technical enough to be useful, but conveyed in a way that is easy to understand. Great work!

[mantle]

As a software engineer of 4 years, and a university student of 4 years before that.. I've never seen someone explain the OSI & TCP/IP process better than this. You really broke it down amazingly. I spent years looking back at videos of networking trying to figure this stuff out. I eventually grasped it but it took way longer than it should've. I feel like if your video was around when I started, I could've grasped it from this video alone. Amazing stuff.

[andrewclark]

As a ccnp network engineer I'm loving these videos. The info is accurate and not over complicated. Nice work @networkchuck

[joevahniplaisil]

Man, for a cyber geek like me, finding you is everything I needed ❤

[moe]

I love how you break it up, I into manageable chucks. Thank you for what you do!

[YesIWanEggwollDTA]

My biggest issue with learning about this stuff in college right now is how strange it is to visualize what the OSI layers actually do. Attaching their specific instructions onto the data with each layer makes everything click for me. Amazing video.