Free CCNA | OSPF Part 1 | Day 26 | CCNA 200-301 Complete Course
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- เผยแพร่เมื่อ 9 มิ.ย. 2024
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In this video you will learn about the basics of OSPF, Open Shortest Path First. OSPF is a link-state dynamic routing protocol, as opposed to the distance vector routing protocols RIP and EIGRP. This is part 1 of a 3-part series on OSPF. In part 1 you will study basic OSPF operations, OSPF areas, and basic OSPF configurations.
In this FREE and COMPLETE CCNA 200-301 course you will find lecture videos covering all topics in Cisco official exam topics list, end-of-video quizzes to test your knowledge, flashcards to review, and practice labs to get hands-on experience.
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0:00 Introduction
1:11 Things we'll cover
2:03 Review - Types of Dynamic Routing Protocols
2:43 Review - How Link State Protocols work
3:52 OSPF intro
5:41 LSA Flooding
8:25 Basic Process of OSPF
9:08 OSPF Areas
15:52 OSPF Area Rules
18:44 Basic OSPF Configuration
22:26 passive-interface command
23:25 advertise a default route into OSPF
24:17 show ip protocols
29:05 Things we covered
30:10 Quiz 1
31:26 Quiz 2
32:16 Quiz 3
33:15 Quiz 4
34:03 Quiz 5
34:48 Boson ExSim
#cisco #CCNA - วิทยาศาสตร์และเทคโนโลยี
ERRATA: At 21:33 I mention /28 masks regarding R1's G0/0 and G1/0 interfaces. Should have said /30 as written on the diagram and the command output.
Please your definition of ABR is it correct?it should not be router with interface connect to the backbone area and to at least one other interface?
@@fritzdamiendengambog9169 My definition is correct.
@@JeremysITLab ok thanks
i was so confused lmaooo
Caught that! 🙂 Was coming here to add a comment. I figured someone would have beat me to it... Glad they did. Thanks for doing these labs Jeremy!!
I encourage EVERYONE to go buy the official course!!! I enrolled in an university that offers Cisco’s courses before i found these videos. The professor at the college institution , in charge of the lectures is NOT on par with Mr. Jeremy. I am not exaggerating! During my studies as an electrical engineer, I have not encountered another person with such profound understanding of the concept , like Mr. Jeremy. I don’t know how the guy does it. Great communication skills and vast knowledge!!! Great job!
He does it from the heart!
These videos are actually better than a lot of the paid ones I've watched.
i agree
I passed my CCNA today. Special thanks to you for your video. I'm really grateful 🙏🙏🙏
what a comprehensive introduction to OSPF , amazing as usual Jeremy
Thanks Mohammad, glad you like it :)
Doing your lectures with screenshots to my iPad on Notability and writing down a lot of notes on Joplin in 2023 whilst having been working for some time in the telco-industry here in Finland, and just absolutely bravo Jeremy. What a treat these videos are.
Wow! This is called a perfect CCNA Tutorial......Thanks to Jeremy for putting complete effort.
Thanks Muhammad :)
Waiting for the next one?
so far Jeremy is the best teacher I found in teaching network course online, really hope you can expend your teaching in firewall stuff.
0:01 Introduction
1:11 Things we'll cover
2:03 Review - Types of Dynamic Routing Protocols
2:43 Review - How Link State Protocols work
3:52 OSPF
5:41 LSA Flooding
8:25 Basic Proccess of OSPF
9:08 OSPF Areas
15:52 OSPF Areas Rules
18:44 Basic OSPF Configuration
22:26 passive-interface command
23:25 advertise a default route into OSPF
24:17 show ip protocols
29:05 Things we covered.
30:10 QUIZ!
Thanks! Added to the description :)
Your tutorials are legendary, you make the whole networking concept so clear that it does not only help us to pass CCNA,
but this series does have practical significance that I already use the concept you teach here to do real networking. I can not say enough thanks to you.
Jeremy, I would like to confess, I completely fall in love with your videos, such a great job! Thank you many - many times! 🙏🙏🙏🙏🙏🙏
Thank you Alyona, I'm glad you like them!
Yeah, we all fell in love with him at first lecture xD
@@shlomiunger3518 me i guess the most who fell in love :)
The best course on the web. Way better than the paid courses!!
Absolutely true! I waste a lot of money until I discover Jeremy!
Clean information, well structured and on point.thank you jeremy you are a life saver.
Thank you for this covering of OSPF. I've been working through Neil's Udemy class and its for the most part good but I had to try something else for his OSPF coverage and this has been exactly what I needed thank you Jeremy.
Excellent video series. Consistency is the key and it is the hardest thing to achieve. So many distractions are existing around us. I stopped this series almost 2 times but then came back with more passion. I am planning to finish till video 30, then print out all ANKI Flashcards ( I prefer traditional way to memorize stuff. I have converted Anki flashcards into a pdf file of 309 pages from day 1 to day 63) Then memorize all ANKI flashcards, do all the labs without watching any video (unless I stumble upon something or to verify if I have done the lab correctly) or using notes. Then continue again from Day 31. Day 45 to 63 will be easier for me as I have already completed Cisco CCST (Cybersecurity Pathway) on Netcad. Thank you so much Jeremy. I realized if merely watching these videos require so much consistency. How much effort was required for you to create this course. Salute sir.
great explanations, I just recently landed a job as a NOC technician for an ISP and your course has definitely helped me get prepared for my ccna and feel more confident about my soon to start job, keep up the good work
Well done! NOC technician is a great start for a networking career,
Hey Jeremy, thanks so much for making these videos and labs and flash cards available for free.
I used the flash cards for this video and it helped me a lot to understand and really remember the content. So thanks again.
I know we are not grading the lectures but the ospf series has got to be my all time favs. Iearned ospf after viewing them.
Thanks, glad you like them!
Very Impressed with these videos. I'm using as a refresher before starting study for the CCNP and i'm finding them great. Thanks!
I have visited several TH-cam channel but I believe this channel is best, here we can not only see video tutorials but also get exercise files, thanks a lot Jeremy for your hard work
Thank you Rafika :)
Mr. Jeremy wish you all the best, I think actually everyone who watches your videos don't know how to thank you because your videos are adorable and we can understand easily, your videos are inspiring me to not give up and keep going on learning network, I just wanna thank you from my deep heart, I just download all but dont worry like all and viewer of all .
i am asking you to keep going if anything happens you ave to or must complete this course because we need it and need your help
I appreciate your all videos and thankful
with all my respect my teacher
TWANA AHMED BRNO from Kurdistan
Thank you so much for your kind words! Don't worry, I won't stop until the entire course is complete 👍
Q2:10.0.8.0 0.0.3.255 matches IP addresses 10.0.8.0 to 10.0.11.255, so it doesn't match either of the interface IP's.
Jeremy Jeremy! JJ oh man you have done it again, your lessons keep becoming sweeter and sweeter. Detailed, no stone left un-turned. Thanks for the theory. Haha unfortunately got one quiz question right. It will all sink eventually. Thumbs-up dude. You the man. Can't wait for the lump some notes from video 24 or 25. I subscribed (smiling!)
Thanks as always Glenn, glad you like the videos :)
hey Sir, I found your explanation just so great and clear . The best so far .
Wow! One of the best and elaborated clip along with simulation lab that is a great lead to CCNA vendor test. I highly recommend. I can't thank you enough! 100% 💯💯⭐🌟💫🌟⭐
Your course and labs are great, thanks for the study material
Clean information, well structured and on point. Great job Jeremy.. Thanks for your help..
Thanks, Emil :)
Hey Jeremy. Sam A. from AR, USA. Thanks so much for all your videos. You have an excellent method of teaching and explaining everything in such great detail. I especially enjoy the quizzes at the end. Appreciate all your efforts.
hands down, best ccna contente out there + it's free, thanks a bunch.
Thank You Jeremy. You are awesome. Keep teaching. God bless you. Awaiting more videos.
Thank you! Glad you like the videos :)
Thank you Jeremy for all your efforts. Keep up the good work.
Thanks Alberto :)
Thanks so much my best tutor so far in Cisco Networking.
Kudos to you Jeremy
Thank you! I'm glad you think so :)
Happy to spend time viewing legendary video clips. being a non-IT person getting to move to a new world.
Great video on OSPF. Your explanations are on point. Thank you for your high quality product.
Thank you, I'm glad to hear that :)
Clean information, well explained ✌ thank you for your efforts :)
You nailed it again! Keep up good work!
Thanks Marko!
Excellent content, I'm grateful for the channel.
Nice video. The amount of detail is perfect.
Thank you :)
i had to watch the video twice to fully understand this topic but it was worth it, thanks
The visual really help. THNX Jeremy!!
Thanks for watching :)
Great as always. Thank you.
Thank you for this content!
Hi Jeremy
I passed my CCNA yesterday 😅
I appreciate you your videos helped me a lot. My English was not so good but I understand all of your videos clearly.
Could you share your other resources you use to pass your CCNA, please
Thanks Jeremy for your great work as always
Thanks :)
Thanks for your support
Thank you ;)
Brother you are like a AI in my life love you and God bless you
Thanks for the content, have learned a lot
Great video Jeremy. Thank you for your content it helped a lot. Good luck my freund.
Thank you, I'm glad it helped :)
thank you Jeremey!
thank you sooo much for sharing this whole course bro and making it accessible to EVERYONE..u are truly a blessing to this world man, wow!! I just watched ur David Bombal interview too yesterday man, really really inspiring stuff being that u just picked up this stufff a few years ago back and u explain it at expert level already dude!! love it!! thankful/grateful as FFF!!! thanks Jeremy !!!!!!!!!!!!!
10:22 that noise indicates that you adjusted your position on your seat, and that made me feel closer to your physical space, Sensei.
Haha, awesome comment!
You said the truth he's a real SENSEI but also he's on his way of becoming a Hokage!
Thanks for your content!
You're a saint Jeremy. I'm also looking out for the next parts of OSPF. Today I'll apply for my dream network engineer job. Hopefully I'll get to see you full OSPF training before I reach the technical interview :D
Thanks! :) OSPF will be three parts (I just finished writing the script for part 3), so six videos in total (lecture + lab for each part).
Good luck on the interview!
@@JeremysITLab hi jeremy, please when will you complete the CCNA vidoes? how many more videos remaining?
Thank you for your effort.
Thanks for the new video jeremy
Thanks for watching and leaving a comment!
Gotta love them wildcard masks!!! Another awesome lesson! xD
For most students it's 'gotta hate them wildcard masks!'
Glad you like them! :)
Listen up! I want to welcome you to Jeremy's It lab!
@Kace Seth dont tell me you actually believe that
@@Laevatei1nn That's a bot.
@@jzero1579 lmao how stupid of me
Thank you very much for all you have doing
Thank you for watching and leaving a comment :)
Excellent ... well done ...
Thank you jeremy :)
Thanks Jeremy, OSPF and Automation & Programmability are my two remaining topics, once I've those nailed down I'll try again after getting an 817 on my first go.
817! So close! Brush up on your weak spots and you'll definitely get it next time. Days 26, 27, and 28 should teach you all you need to know about OSPF for the exam, so stay tuned 👍
@@JeremysITLab Yeah I stupidly thought I could get through just on my net+ studying and a small bit of real-life experience, but as above those two topics were where I slipped up. Trust me I will be tuning in! Appreciate all that you do Jer.
u got 817 out of 1000 and failed in CCNA?
Yes, in 2021 - IIRC it was 900 to pass, whats the query?@@GovandMkarim
This is so much easier to understand than my teacher, much easier to understand with a visual component
Perfect Tutorial!
Excellent, thanks very much!!
Thank you :)
Very good explanation
Thank you, Jeremy
Thanks for watching :)
Thank you
Thanks a lot Jeremy
Thanks Wilmer 👍
Thx Jeremy for the video
great and nice explanation
Thanks Hashim :)
Thank you vey much for your efforts! Could someone please explain the calculation process in Quiz 2?
Great stuff.
@Jeremy's IT Lab.... i have gone through your CCNA videos, you have explained nicely!!
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Kindly make videos on interview questions on some important L2 & L3 protocols, it would be very helpful for many ppl who are trying to attend networking interviews.
Thank you!
I will consider other video topics after I finish the CCNA course!
Awesome man i need this ):
thanks, Jeremy
Thank you!
THANKS JEREMY
Thanks for watching 👍
thank you
Thanks for watching :)
Thanks Jeremy
Thanks for watching and leaving a comment :)
Welcome back sir
Thank you! :)
thanks Jeremy!
Thanks for watching :)
Amazing !!!!!!!!!!!!!!!!!! Thank you
Thank you :)
Amazing!!
🙏 So helpful am back
From KE
Thank you :)
Thank you, may Allah help you in your life.
We await the next video.
Thank you Saleh :)
@@JeremysITLab Hi Jeremy first of all thank you for your training for CCNA i am trying to prepare the exam 200-301 and i am trying to join the CCNA flashcards but i can not join I have tried all kind of different payments method so what shall i do? thank you
@@mohamedsaid-qh2mk The flashcards are free. Follow the link in the top line of the description
Thahks you
youre awesome
Thanks! You're awesome!
Thank you for these videos! Can you go more in depth on how you figured out the answer for Quiz question #2.
10.0.8.0 0.0.3.255 matches IP addresses 10.0.8.0 to 10.0.11.255, so it doesn't match either of the interface IP's.
Nice!!!
Thanks for this wonderful course!!!
I wanted to say that the ID router can be specified as 0.0.0.1 for R1, 0.0.0.2 for R2, etc. not to be confused with IP addresses
Yep, any 32-bit number works.
thank you so much :D
Thanks for watching :)
Thanks, you have unique way to teach when this course will be completed and we seek for another courses from you ❤️
Thank you :)
Thanks for the videos, they've been really helpful. Roughly how many more videos do you think there will be? I'm trying to make a plan on how long it will take before I can look into booking the exam.
I think the course is about 50-60% complete at the moment.
I love your material. Makes it very easy to understand and very interesting. Looking at purchasing your course. Do you have an app for android?
Hello Jeremy! I am doing the Cisco NetAcad at my uni, and your materials are really great for understanding networking!!! Thank you very much !! I have one question though regarding wildcard masks...I dont understand why we dont use the usual subnet masks for choosing or eliminating certain ip ranges on the router in ospf and other protocols. At uni, my prof said, that when routing and forwarding, the router does a logical AND operation on the destination ip address and the respective subnet mask to determine to which network the packet has to be forwarded. To do the AND operation with the subnet mask, where the network bits are written as 1s and the host bits as 0s just makes sense since 1&1 = 1 and 1&0=0 . But if we use a reversed subnet mask a.k.a a wildcard mask AND operation does not deliver the right result...so...why bother using wildcard mask in ospf, and which logical operation (or serie of operations) is used in the router to apply wildcard masks on addresses?
A Godsend.
In multi-area OSPF networks, all non-backbone areas must have an ABR connected to area 0.
2 OSPF routers with different process IDs can become OSPF neighbours. The OSPF area must be specified in the network command. An ASBR connects the internal OSPF network to networks outside of the OSPF domain.
There's no way you are only 50-60% done with this course.. That would be an insane amount of content. I would assess 75% but you know better than we do I suppose.
Check out the exam topics list: www.cisco.com/c/dam/en_us/training-events/le31/le46/cln/marketing/exam-topics/200-301-CCNA.pdf
I haven't covered sections 4.0, 5.0, or 6.0, as well as IPv6, TCP/UDP, wireless, etc. The CCNA is a very big exam!
@@JeremysITLab Well based off of their percentages that means you have covered 65%... not too bad! Keep it Jeremy! We support you bro!
w8ing for next video , pls try to upld fst , i hve completed previous videos :) very informative ! thnx !
Next video will come on Sunday 👍🏻
Distance vector Protocols works on "Bellman Ford Algorithm". Remember this name too!
when the screen shows the config. mode and interface , the reference topology diagram should be shown too . That will be easier to understand .
Nice!!!!! 👍 👍
Thank you! 👍