Networking Week: OSPF Stub, Totally-Stub, NSSA and Totally-NSSA

  Рет қаралды 46,121

INEtraining

INEtraining

4 жыл бұрын

A large part of understanding the operation of OSPF, and being able to troubleshoot the protocol, is being able to identify the different types of OSPF AREA’s and how they are used to optimize your network infrastructure. In this webinar you’ll learn about the OSPF Stubby Areas, OSPF Totally Stubby Areas, OSPF NSSA Areas, and OSPF Totally NSSA Areas. You will also learn what LSA’s are received within these OSPF Area types. You’ll learn about which routers create these LSAs, why they are created, and how to search for them within the OSPF Database. You will also learn how to configure these OSPF Area types. Whether you work with OSPF in your existing network, or are learning about OSPF for certification purposes, this webinar will prove to be highly valuable to you.
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Пікірлер: 63
@kencheng2929
@kencheng2929 4 жыл бұрын
0:00 intro 1:04 outline 2:40 lsa types 4:19 type 1 lsa 8:15 type 2 lsa 10:41 type 3 lsa 21:58 type 4 lsa 26:42 type 5 lsa 28:31 type 7 lsa 31:56 stubby areas 37:08 totally stubby areas 39:40 nssa 44:44 totally nssa 49:34 lab setup 54:39 stub lab 1:02:06 total stub lab 1:05:10 nssa lab setup 1:08:20 nssa lab 1:15:59 totally nssa lab
@JoeSmith-gb4ng
@JoeSmith-gb4ng 2 жыл бұрын
I'll admit I'm asking this question without getting all the way thru the video yet. But if you can't have an ASBR inside a Stub Area then how is an LSA Type 7 ever generated when it comes from an ASBR in a NSSA Area? Because you state that one of the rules of OSPF is that an ASBR can't be in a Stub Area.
@sanjeewamaduranga8199
@sanjeewamaduranga8199 17 күн бұрын
You are a great teacher! I cleared a lot of doubts that would never be able to clear by going through the study materials. Thanks a lot. And please make more videos on each topic. God bless you !
@lasin7743
@lasin7743 3 жыл бұрын
No wonder you are 5 x CCIE!!! Very well explained!!! Learned more in this video than cracking my head at the books.
@catalintismanaru1639
@catalintismanaru1639 2 жыл бұрын
One of the best networking instructors I've ever listened to.
@networkfreddy2000
@networkfreddy2000 2 жыл бұрын
5x CCIE wow..What do you do for work these days? Deff the best instructor i have ever watched. Very well explained and kept my attention. Thank you. Im on my journey to earn my first CCIE now.
@mojdomu4883
@mojdomu4883 Жыл бұрын
Until watching this webinar , i was thinking i caught the point with LSAs and how they work but after watching this video , i realized i actually didn't know well how LSAs were functional across the OSPF domain...That was the best video i've ever seen over OSPF multi-area topic which is indeed complicated . Thank you Rohit !
@shivaprasadg3675
@shivaprasadg3675 2 жыл бұрын
This demonstrates the power of images and diagrams when explaining things. Very well explained in shortest way and detailed. Someone would need to really experiment with routers and then understand which would time consuming, loved it.
@Pankaj268hp
@Pankaj268hp Жыл бұрын
Great Video.. Deep Learning ..love the logic even odd to remember the LSA concept
@cristinasolanosolano7589
@cristinasolanosolano7589 3 жыл бұрын
Hello! Thank you so much for this video, it really helped me understand the LSA's, the stubby area, and nssa. You explained everything very well 👏💖
@MicheleAlbrigo
@MicheleAlbrigo 3 жыл бұрын
This video is awesome: detailed, specific, yet very clear!
@mircea2967
@mircea2967 3 жыл бұрын
Excellent explanation of OSPF area and LSA types! Thanks!
@mtf3431
@mtf3431 Жыл бұрын
I enjoyed learning OSPF, when I get money I will enroll with INE your are the best.
@TheJoelfrancois
@TheJoelfrancois 4 жыл бұрын
Hi Rohit, Thanks for this great webinar, very informative! Maybe, we could also name it "Demystifying OSPF LSAs and Area types ;)
@chrismolgeorge1689
@chrismolgeorge1689 3 жыл бұрын
Such a wonderful explanation..Thank you so much
@skillzwhattup7645
@skillzwhattup7645 2 жыл бұрын
Where in the world did this guy get the time to do 5 CCIEs! Wow!
@shimaa_111
@shimaa_111 Жыл бұрын
شكرا كثيييير ...الله يسعدك يارب
@cdyz5
@cdyz5 3 жыл бұрын
Son of a GUN... He is dam good to explain.
@guoliao4217
@guoliao4217 9 ай бұрын
讲的很棒,感谢分享
@dangrissom7791
@dangrissom7791 11 ай бұрын
awesome explanation of OSPF LSA and AREA concepts
@vincebaldocchi561
@vincebaldocchi561 4 жыл бұрын
This was a great webinar. This really helped with my understanding of OSPF.
@vinodshersande6270
@vinodshersande6270 3 жыл бұрын
Las Vegas example was very good to understand. Thanks🌹
@rishabhkcreations
@rishabhkcreations 9 ай бұрын
love you Sir , thanks for this beautiful explaination
@sumtechitacademy8441
@sumtechitacademy8441 Жыл бұрын
Thank you for the great explanation!!!!👏👏👏
@oussemahajji8009
@oussemahajji8009 3 жыл бұрын
Outstanding explanation !
@ramdimaranan6593
@ramdimaranan6593 2 жыл бұрын
This is really good! I'm working on CCNP ENARSI at the moment and this helped me understand a little more about LSA and stub areas in OSPF
@FaisalKhan-oj1iy
@FaisalKhan-oj1iy 3 жыл бұрын
Amazing video sir you delivered the information on the right way
@mehdicherifi6289
@mehdicherifi6289 Жыл бұрын
Waw... Great cours by great instructor. Thank you
@mohammadchavoshi5568
@mohammadchavoshi5568 11 ай бұрын
awesome explanations
@MukhtarAhmed-fo3zr
@MukhtarAhmed-fo3zr 7 ай бұрын
Thank you so much sir, amazing video
@Momo1412
@Momo1412 4 жыл бұрын
excellent! :D thanks for sharing
@ElmerShox
@ElmerShox 3 жыл бұрын
keep it up! nicely explained video! more content please!
@johnmichaelechavez5979
@johnmichaelechavez5979 4 жыл бұрын
thanks man.. great content
@Wr3nch-850
@Wr3nch-850 2 жыл бұрын
excellente Rohit....
@anilkpat
@anilkpat 3 жыл бұрын
You are great Sir !!!
@golus4963
@golus4963 2 жыл бұрын
Great effort!! Waiting for. More. Videos
@fernandoalbuquerque6645
@fernandoalbuquerque6645 2 жыл бұрын
What a class !!!!
@rabirini
@rabirini 2 жыл бұрын
You are awesome :)
@INEtraining
@INEtraining 2 жыл бұрын
You too!
@lkdipeolu
@lkdipeolu 2 жыл бұрын
Excellent Lecturer. You are the best. Very knowledgeable. I dough my hat for you. You will get my mail on this. Thank you very much. This is the most under explained topic in CCNP.
@someone-yj8wx
@someone-yj8wx 2 жыл бұрын
Thank you very much You are the greate teacher
@jalalhaider83
@jalalhaider83 4 ай бұрын
Just coming across searching find out this video and mind blowing knowledge you have 5x CCIE what an inspiration, I will check if you have courses on your channel, again the way you simplified the giant, you truly are an EXPERT ❤ Just a question when we talk about within an Area like Cisco says area can have atmost 50 routers so where can we assume this senario, first picture comes on a data center rack, racks where you can say same broadcast domain but even within area routers can be geographically seperated, let's says between cities? So how you say that, any comments please, thanks
@georgehewitt8041
@georgehewitt8041 4 жыл бұрын
Very good!
@Mhd572
@Mhd572 2 жыл бұрын
informative and well explained 😍
@shrinivaslokhande4544
@shrinivaslokhande4544 3 жыл бұрын
Very well explained
@chetanchaudhari1011
@chetanchaudhari1011 4 жыл бұрын
Hello sir, Thanks for making this video .it's was well explained with practical scenario.. please make videos on other topics also.. Actually I was a student of ACIT 😃🤗 Happy to see you with INE.. All the best.. Waiting for your next video
@sawadsup3136
@sawadsup3136 2 жыл бұрын
Amazing Thanx A lot
@deepakgoswami3049
@deepakgoswami3049 2 жыл бұрын
Superb Man 👍👍
@gablopezuk
@gablopezuk 4 жыл бұрын
Hi rohit, thank you for share all this information, any plan to do a video on QoS!! Thanks!!
@perumandlaanil
@perumandlaanil Жыл бұрын
the best 😀
@anthonywatson5232
@anthonywatson5232 Жыл бұрын
Rihot if you still follow up on these comments I have a question. You stated that type 2 LSAs are not prefix information. When I drill down into the the LSAs with the " show ip ospf database {router | network} commands I see something different. For the LSA type 1s I only see prefix information for point-to-point links. For all the other links that are transit networks I see their prefix information in the type 2 lsa. Did I misunderstand what you meant by all the odd LSA types being prefix information and type 2 not being prefix information? Also anyone else that sees this if you cam clarify for me please feel free to. I'm just looking for clarification. Respectfully Anthony
@vishwasvishwakarma2892
@vishwasvishwakarma2892 3 жыл бұрын
Superb
@bhaskarnath8649
@bhaskarnath8649 2 жыл бұрын
🙏.
@_MadProfessor_
@_MadProfessor_ Жыл бұрын
Excellent teaching, does routers in broadcast segment generate LSA type 1 or only LSA type 2 or both LSAs ??
@waleedahmed779
@waleedahmed779 8 ай бұрын
It only generates type 2 LSA, if the network is a part of larger area it will also generate LSA3.
@sushantjoshi7030
@sushantjoshi7030 4 жыл бұрын
without OSPF summarization will LSA get flooded to another area outside the local area ? anyone ?
@0061hrishi
@0061hrishi 4 жыл бұрын
Summarization: by this if you are meaning the Type 3 LSA, then it is created by the ABR and with this the other Area get to know about the routes of other area. LSA type 1 resides in only in the local area to carry that information out ABR creates a Type 3 LSA. Could I answer your question. N.B: As per my knowledge LSA 1, LSA 2, and for NSSA LSA 7 does not leave their respective areas.
@randykith8859
@randykith8859 2 жыл бұрын
34:45 Why can't Area 0 be configured as a Stubby Area?
@menash8313
@menash8313 2 жыл бұрын
It's the backbone. You don't want to block 4/5 LSA's on the backbone because it's the backbone's job to spread LSA across the ospf domain.
@grammarpapa274
@grammarpapa274 2 жыл бұрын
Because its core of OSPF network, it’s basically interconnects areas between each other, so there is no need to make it stubby
@arunkumarm5512
@arunkumarm5512 2 жыл бұрын
what is prefix ? exactly..
@MsTiffMichelle
@MsTiffMichelle 2 жыл бұрын
The network or subnet of a given link.
@JoeSmith-gb4ng
@JoeSmith-gb4ng 2 жыл бұрын
Why call LSA Type 3 a Summary LSA if it doesn't list all the Network Prefixes in one LSA? If Area 2 in his example has 10 Network Prefixes to advertise then sending 10 different LSA Type 3s into Area 0 isn't a Summary it's a waste of network traffic. Send 1 LSA Type 3 listing all 10 Prefixes and you'd generate less traffic. Just my opinion.
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