DHCP Explained - Dynamic Host Configuration Protocol | DHCP DORA process | TechTerms

What is DHCP? This animated computer networks video explains DHCP or Dynamic Host Configuration Protocol. It gives details of how DHCP works, DHCP DORA process, types of DHCP messages, and DHCP packet format. How DHCP server assigns an IP address to DHCP client? Explained in detail.
Notes : techterms.in
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DHCP stands for Dynamic Host Configuration Protocol and is used to assign TCP/IP settings to the end systems, like computers, dynamically if the automatic IP settings are enabled for them.
When a laptop, with automatic IP settings enabled, is connected to the internet the laptop runs DHCP protocol. As a result, the DHCP server assigns an IP address to your laptop. DORA process involves the transmission of four DHCP messages including Discover, Offer, Request and Acknowledgment.
Suppose we connect our computer to the internet. At that time, it does not have an IP address. So, the Laptop or DHCP client sends a DHCP Discover message to the DHCP server. In response, DHCP server sends an IP address in DHCP Offer message. DHCP client, then, ask the DHCP server to allocate the offered IP address for it with DHCP Request message. DHCP server then allocates an IP address to the DHCP client and sends a confirmation with DHCP Acknowledgement message. On receiving the acknowledgement, DHCP client configures TCP/IP settings in the OS so that the laptop can access the internet.
In the second case, the DHCP server is present in some other subnet. In such a case, the relay agent act as a middleman between DHCP client and DHCP server. DHCPDISCOVER messages from the client is received by the relay agent. As the relay agent knows the IP address of the DHCP server, so it unicasts the received message to the DHCP server and fills the GIAddr field with the IP address of the interface at which the relay agent has received the message. Gateway IP address gives information to the DHCP server about the subnet where the DHCP client is present. The DHCP server then reply with unicast DHCPOFFER message to the relay agent with an offered IP address based on the subnet information. The router then broadcasts the reply within the subnet. DHCP client receives the DHCPOFFER and then broadcasts DHCPREQUEST requesting to allocate the offered IP address. Router again unicasts this message to DHCP server. The server unicasts DHCPACK to the router. The router then broadcasts it within the subnet. DHCP client on receiving the DHCPACK message configures the TCP/IP settings and becomes ready to load the web pages.
DHCPNAK, DHCPRELEASE, DHCPDECLINE, DHCPINFORM are the other DHCP messages. Therefore, a total of 8 DHCP messages are involved in the DHCP process.
These are the messages which help your device to fulfil all the pre-requisites needed to connect to internet and comes under Dynamic Host Configuration Protocol Process. #TechTerms
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[@rupeshdharme9017]

This explanation is less than 30 minutes, DHCP was explained in my college for 4 days. The detailing you covered is commendable. You are a great teacher for sure. Btw I even watched the ads on this video to support this channel in addition to like! Thanks!!!

[@TechTermsDG]

Thanks Rupesh. Glad to hear that this video helped you.

[@MdRaihanHasan--]

bro u r lucky, but u know our varsity skip this topic ,

[@alexrcrew1975]

bro which course are you doing

I liked the video and leave here a comment for the same reason :)))

[@linknafeesa6768]

Sir thanks so much please also make videos on system network administration, topics are servers etc , I request u also make videos on Database system administrator

[@sasankt7068]

This is the best i have ever seen for DHCP ... Awesome thank you

[@BarathKumarBabu]

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[@technologyatitsbest6071]

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[@jashb285]

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[@pradeep004]

This explains the detailed DHCP process. Thanks a lot for explaining from the packet level.

[@shivakaramadi9444]

This is the best ever video of DHCP Protocol information I have seen ever in my 15 years of career. Kudos to you!

[@clairesnibbe1878]

definitely the best explanation of DHCP especially as it is the context of the TCP/IP layer model.

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[@davidyue6310]

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[@syncsync6258]

The explanation, content , animation is top notch . Really cleared the concept well.

[@shanmugapriyas3902]

Now i completely understand what DHCP is ..It includes each and every information. Thank you for making such a good video.

[@BroaderBasicsBuddy]

More depth>>More satisfied

[@surenderkamboj]

This is best Video I ever seen on DHCP. Very detailed information. Big thumbs up for the animation. I am going to check out other videos to see how they are. Thank you so much for sharing the information.

[@vivekkumar-jz8zb]

This is the most complete video i have seen for any topic or tutorial.. Thanks 😊

[@purrplemane5954]

Wow quite a mouthful but very good stuff. I'll have to watch again but I now have a much better appreciation of how DHCP works. God bless you sir

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[@kostavsheoran1530]

I never saw such a cool explaination! , awesome bro! Thanks

[@ashutosh57]

Best DHCP video I have seen so far. Big thanks!

[@user-je1if9sp4i]

So lucid explanation. Thanks a lot.

[@rameshchand2220]

best video i have ever seen on DHCP because here i got the details i was searching for past 2 days So detailed and without any doubt was able to understand everything Thank you so much

[@deenasong]

Its a really nice DHCP Tour. very knowledgeable. Thank you.

[@mfaraday4044]

Wonderful video Atleast now i am getting clear on tcip and osi model concepts.

[@arpithapradeep7991]

One of the best video explanation for DHCP. Thank you!

[@cjadonis2532]

This explanation is better than what my college professor does. Automatically subscribed!

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[@vikas9890]

Your videos are fantastic with excellent explanations. DHCP is explained very well in detail here. Thanks a lot. ❤❤

[@aryankeshri5377]

I generally don't comments, but you did an amazing job. Best video on DHCP. Please make videos on dhcp options as well like option 150

[@vpranisha]

Kindly make a vedio on ip header and frames as well. Your vedio are really informative and useful. Thank you guyz.

[@vinod1029]

Thanks for making this wonderful video with detailed information on DHCP. I really appreciate your contribution. Learnt a lot

[@jaimebastida8956]

Amazing video, super explained! Many congrats and thanks!

[@haristufail2121]

Awesome explanation.Best explanation I found on youtube.thx

[@ishfaqbashir1004]

Great work. This is the general overview as per the RFC

[@sahilmirashi8789]

Best videos i have ever seen on DHCP

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The best explain about DHCP that i have ever seen...

[@prathameshbhagat384]

Really helpful. Thanks for in depth information on DHCP

[@karanvyas5155]

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[@browneyedbabes7863]

Wonderful explanation! Thank you so much for this content!

[@AISynthetic]

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[@bhagyashrikaroshi7635]

Thank you tech terms for such an innovative video

[@radhakrishna6232]

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[@abdusahmed478]

Thank You for this detailed video.

[@jameswilson2417]

Very informative n interesting ... Thanks a lot!!

[@ehraarwani2542]

Best explanation ever. Thanks mate

[@jobayer-hosen]

Very Informative. Thanks for the video.

[@brunoluis9911]

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[@TechTermsDG]

Glad you think so!

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[@bhagyashrikaroshi7635]

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[@rishadmu]

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[@yohannesdejene1203]

You are a great teacher please include other networking concepts also thank you very much

[@sairamsubu]

Amazing video with detailed explanation..!! I request you to do a video on IPSEC and routing protocols.

[@MrPuupk]

Great video! Best DHCP video i've seen

[@vinaymisra123]

best video on Detailed DHCP machinery

[@TechTermsDG]

Thanks

[@AbhilashGhadai]

Great explanation of the dora packet info

[@KamalKumar-bk6rn]

Thank you for such a clean explanation.

[@subhashinigurram2453]

Well explained Thank you sir

[@ameeralimohammad7145]

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[@manjunathshetty2377]

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[@basilkp743]

Good video, audio and the explanation.

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[@nutansrinivas9712]

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[@prabhakarthangaraj4122]

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[@shivsankar455]

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[@vishnusharma3957]

Nice Video sir . Waiting for more videos . Keep it up sir .

[@AnkitSinghRathore777]

Easy and crisp 🙂

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[@jyotipandey839]

Hats off to you. The best video on dhcp protocol. Very Well explained, covered every detail in the best possible way.❤

[@TechTermsDG]

Thanks a ton

[@Aijaznabi-of5kv]

thanks for this beautiful and deep explanation of the DHCP process. I need to ask a question regarding XP and Windows 7 as why they dont set the Broadcast bit to 1 while Vista do set it to 1?

[@kranthiuppari4959]

very neatly explained...superb video

[@happysingh-gk2dj]

such a nice explanations thankyou

[@bioshed]

THIS IS INCREDIBLE

[@irfanshariff1665]

It was really helpful, i got to know what DHCP is actually in packet level. Thank you very much for this useful video and request you to make more videos on other topics/protocols :-)

[@TechTermsDG]

Thank you Irfan. :) The upcoming video is ARP. I hope you would like that too.

[@apuravvanand9423]

Best .. really it is best explaination possible...

[@lalitrawat2801]

Well Explained Sir !!

[@saradn7715]

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[@softibuycalicut5990]

Very very good presentation ,keep it up 💯

[@pierocampi2350]

Thank you for your valuable video: very helpful and clear. Could you, please, add an introduction to IPIPA protocol and explain all the information needed to manage a private network, including the limitations present in the various options?

[@anandamohankompella7279]

Excellent, good stuff...

[@k.vijaya9927]

Sir, you deserve a million views and likes. Can you tell us what books should we study to get this type of perfection.

[@romualdgarcia9108]

thank you ! it's the better explanation I heard

[@TechTermsDG]

Glad it was helpful!

[@prasensomwanshi6779]

THIS IS THE BEST AND DETAILED CONTENT I HAVE SEEN. BEST BEST TUTORIALS.

[@mobihaque7037]

Beautiful explanation

[@footballrajesh]

YOU HAVE DONE A GREAT JOB JI THANK YOU SO MUCH I AM WATINING FOR YOUR NEXT VIDEO JI

[@ayushhajela8198]

Well explained!

[@ArunKumar-jv4qt]

Best Ever seen for DHCP

[@sureshsunderraj1041]

u r video excellent put video on topology and network configuration

[@asmaarefaatVO]

How genius are you! ♥️

[@Arshar]

Super ! Thank you 🎉