IPv6 Addresses Explained | Cisco CCNA 200-301
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- Опубликовано: 10 июн 2024
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When IPv4 first came out, the people that designed it sat back in their chairs and said, “We’ve done it, we’ve created every IP address that anyone will ever need”.
How many addresses did they create? 4,294,967,296! But at the time, they couldn’t have imagined the massive explosion of devices that would require an IP address. If you think about every device you own, like a pc, laptop, smartphone, tv etc. It quickly became apparent that we would soon run out of IPv4 addresses.
The solution is to eventually move over to the new IPv6 addresses!
IPv6 provides us with 340,282,366,920,938,463,463,374,607,431,768,211,456 addresses!
Aside from the number of addresses, IPv6 also brings a lot of other improvements that make it a lot more efficient and practical.
An IPv6 address is 128-bits long. This is what gives us a huge address space. IPv6 has 8 sections which are commonly called hextets. Each hextet is separated by a colon. It's a hexadecimal IP address, meaning it can contain both numbers and letters.
There are different types of IPv6 addresses, for different purposes.
Global Unicast
- A publicly routable address like the IPv4 public IP.
- Prefix: 2000::/3
Unique Local
- This address is like the ipv4 private IP addresses.
- Prefix: FC00::/7
Link-Local
- Automatic private IP addresses that are not routable over any network.
- Prefix: FE80::/10
Multicast
- Addresses that are sent to a group of computers or devices.
- Prefix: FF00::/8
Anycast
- Global Unicast address assigned to more than one device.
- Prefix: 2000::/3
#ccna #cisco #networking
Isn't it nice for someone to get straight to it without talking a load of nonsense? How clear and information is this video? Absolutely amazing. Thank you kindly sir. Extremely information.
This channel is so underrated, it's absolutely insane how you guys explains things in a way that is so easily understood, where as all other channels in RUclips, your schools, your teachers absolutely fail in this department, I watch your videos and learn more in 10 minutes than I do in one week in school, you can talk about something quite complicated which requires quite some reading and understanding to do, and make it seem like it was THAT easy all along.
Hats off to you guys, you're just wonderful and I'm recommending all your videos to all my classmates.
Thanks Simon. I really appreciate the kind words. Really great to hear these videos have been helpful. Good luck with your studies! You got this 💪🔥
me to my future kids: back in my day we had something called ipv4 now we use ipv10
and because it was only 32 bits, I could remember the IP address in my head 😂
Unlikely. Maybe in a million years
Actually ipv10 is impossible to exist, because ipv6 has 340 undecillion
@@mr.compnet2263 I....... Was........... Kidding........
@@mr.compnet2263 bruh 💀
This whole playlist is absolutely awesome, guys. It pushes my understanding for networks on a whole new level. Thx a lot for helping me to imagine the unimaginable. 🙌❤
That's really great to hear! Comments like these is why I make videos in the first place.
@@Certbros and you earn any letter in it! You saved me tons of time! Thank you so much, mate!
@@schranzuslongus1 Thanks mate, really appreciate it!
@@Certbros much love ❤ stay healthy!
@@Certbros Cause you're a rockstar. Studying for CCNA using Cisco coursework. You need to work for Cisco because their training is terrible compared to your videos.
The IPv6 protocol does not use header checksums. Its designers considered that the whole-packet link layer checksumming provided in protocols, such as PPP and Ethernet, combined with the use of checksums in upper layer protocols such as TCP and UDP, are sufficient.
It hurts when IP
this video made it easy and simple to understand the basics of IPV6. Clarity in voice and sufficient highlighting in the video is very good. Thanks much!!!
How timely, I'm sure this will come up in my next interview. Thanks!
Good luck with the interview Victor! You'll smash it. Let us know how you get on.
Did it come up
Your videos are always precise, on point and easy to assimilate. Thank you for this. Expecially the list of the types. They way you explained it, just rid it of all the complexities I picked up trying to understand it. Thank you.
god bless, I am in my first networking course and the professor doesn’t explain anything just assumes that we already know, and I have been having the hardest time understanding IPv6 but this video made it so digestible, thank you!
The comparasion in the global prefix was useful and goid explained. Also, I learned in more deapth about the IPv6 addresses and about how big number of values are possible in this version.
You videos are helpful.
Keep them and add on them more.
A very high-quality video, cannot praise enough. Please keep them coming for learners.
Thanks! Great to hear.
Thank you Certbros, you really help me out every time i don't catch on quickly but your videos help me alot.
Glad to see you guys taking on IPv6. Looking forward for more! Thanks
Thanks Antonio!
i've been doing a comptia course for a year now and i learned more about IPv6 in this video than my whole course, i cant thank you enough
For CompTIA topics professor messer is the greatest as he's organized everything specifically for the exams and made the majority of his content able to be digested in an audio only format.
I've been using these videos for my CCNA whenever a topic was eluding me.
by far one of the most helpful videos on !Pv6 thank you
I’ve a lot watching 3 videos than what i thought i know from reading my ComTIA+ books. Thank you!
Thanks, this was pleasant to listen to, easy to follow, and really concise. I will be checking out the rest.
Thank You! Very clear on how to decode the letters in IPv6.
THANK YOU! You've helped me FINALLY understand IPv6 better.
Great explanation of IPv6 addresses! Thank you!
Thanks for the support Nina. Great to hear you liked it!
Crisp and clear! Thank you very much Sir.
Been waiting for this. Thanks guys 👍
No problem Orley! Glad you liked it and thanks for the comment. Much appreciated 👌
Really grateful sir. After watching this video, I don't feel the need to watch other videos for understanding IPv6.
Man ive been dreading learning IPv6 just because its new to me and looks confusing. Your the first creator who i specifically am choosing to break the ice. Thank you for all your videos
Brilliantly explained and so easy to understand. Well done! Liked and subscribed.
Thanks Simba! and welcome to the channel! 🎉
Very helpful ! Very well explained !
Very useful, I was in graduation almost 20 years ago when they start talking seriously about IPV6 and still on-going, good it makes me feel finally understand some details. Probably missing the datagram now, because I know that changed as well. Tks!
Lmao My Advanced Network Design lecture starts early in the morning, and I can't wake up early enough as I work till late nights, 😁 which is why I keep coming back to this channel 😝 to keep myslef along with course contents...
Very nice video, I got my exam in a Week and this really helped me to understand the topic! :)
Very much helpful for me. Thanks Dear. My IPv6 Subletting is 80% Clear after witching this video. Thanks again.
One point, the host portion is always /64 on a LAN. Any other value will cause problems for SLAAC, etc. You may find longer prefixes, such as /127 on point to point links or /128 to provide an address for an interface.
Thank you so much for this. I didn't quite understand IPv6 but now i do
Thank you! now i understand IPV6 much better!
Amazing video, explained it very well! Great job!
Thanks Hamza, glad you liked it!
Thank you so much for the explanation!
THANK YOU FOR EXPLAINING THIS SO WELL
NO, THANK YOU!
All I can as this is by far the best I r seen Crystal clear is excellent thank you guys
Very helpful. This has been a great refresher.
Thanks Will, glad it was helpful!
Best video on the internet that I have seen for IPv6 explanation (Y)
Thank you!
Made this rather simple.Thank you :)
Thanks Lacye!
This video was great and very helpful, IPv6 was something I was putting off learning for a while but now I am confident in my knowledge of it :)
Great to hear! Glad this cleared it up for you.
@@Certbros Thank you for the videos!
@@eternalblue4660 You're welcome!
interesting choice of name, @EternalBlue
Good explanation, thank you!
Great video, thank you for the explanation!))
Thanks a lot for this video. I really enjoined it, since it is very explanatory, Of course you have to know a bit of HEX , BIN, and DEC :-) Keep up this good work.
Glad you enjoyed it!
Thabks a lot I learned about the slash / if subnet mask and about an easy new way to take a 10 base number into 2 base number.
Give more valueable videos like this.
Amazing info. keep up!
you guys are awesome, thanks for the vid!
No, you're awesome! ☝ Thanks for watching!
@@Certbros oh stop it, im gonna blush
I really appriciate it your content is awesome 🔥
Great video! Well articulated.
Thank you !
Awesome explained!
Awesome !!! Taking my CCNA in a few weeks for school I think
Good luck! Let me know how you get on. You'll smash it.
Great video. Thanks for that.!!
I've spending lots of money for IT classes and course but here I've learned free and very cleaver and understanding, deeply explanation.. 😎Thx @certbros keep it up
It blows my mind you are not at a 1,000,000 subs yet! everyone give this amazing person a subs!
Thanks for the video!
thank u very much thats helpfull
new subscriber !
Awesome Explanation loved it
Thanks a lot. Glad to hear you liked it.
Thank you so much for helping me understand better.
Happy to help Rebecca!
After watching this I subscribed you .. you are awesome 😎
You're awsome 👆
nice video , good explanation ! well done! thanks~
Thank you Melvin! Great to hear you liked it 👍
Many thanks you are my best friend and hero to save me! I love you all !
Beautifully done.
Thanks Ankit!
I can never get enough of IP 4 & 6. To me its like a mind twister( or even mind candy) but my work relies 100% on this and can never get away from it. This refresher course really helps !!!!!! Thanx !!!!
Great to hear this video helped you out!
Thank you for the video. It helped.
You're welcome. Glad it helped!
Love ur vids and explaination especially the routing protocols really helped to understand it. Do you plan to release full course on udemy or other platform soon?
Thanks Yayin! Great to hear you're finding them useful. The plan is to launch it on my own site using teachable which is a popular course platform. I'm not quite there yet so it's not 100% decided.
@@Certbros thats great to hear. Any timeline when it will be available? You already have lots of already created resources from youtube. Have you already planned the syllabus topics? Your videos are really comprehensive but from a creator perspective i guess it takes a lot of time to create. Keep up the good work.
I'm hoping to release it later this year. I'll probably do a discounted pre release ASAP. If that interests you then make sure to register your interest (link in the description). Great to hear your enjoying the videos. You're right, they do take a lot of time to make but I'm getting there!
Thank you so much!
So good! Thank you!
Thanks Shashank. Glad you like it!
Hi, great introductory vid, thanks!
One question- with the example shortcut shown, how does the computer know the missing 0 in 'db8' is at the beginning?
Would this not work if the address was "db80"?
Thanks!
Thank you so much for very clear explanation ❤️😍
No problem Rasith! Glad you liked it.
Omg u helped me before exam with best graphics thanks alot.
How was the exam?
@@Certbros got A thanks very much👍
hey..thanks for this video man...
So very helpful.
Thanks this is great!!
Thanks Sarah!
Funny intro about IP addresses.
Nice explanation
Liked and subscribed to this channel so I can keep watching more videos Me been a Cisco Networking student I need to study more of IPv6 so I can go around playing with it very well
Nice videos keep it up bro
Amazing intro , played it like 10 times
Haha! Thanks Sanju. Hope you liked the rest of the video as much as you liked the intro 😁
@@Certbros yes this video cleared my doubts , THANK YOU
Hi, may I ask you how you edit your videos?
Also, huge thanks for all the videos. They are amazing!
Thank you, you sweeeeet sweeeeet angel
*A Blessing* .period!
Thank you Mirza!
pretty goood.it helped lot
Happy it helped!
im not english native speaker , but im impressed how clear its this video , thanks !
Thank you Christian. That's great to hear!
Ty so much. ❤
Thank u for this.
You're welcome. Glad you liked it!
The year is 2051.
'Well guys, we finally did it. We've finally stopped using IPV4 and now we only use IPV6!'
'Um... guys... I think we ran out of IPV6 addresses'
😂😂 Lets check back here in 30 years!
3:06 the main edge of IPv6 vs IPv4 is it has "lettuce"
😂😂 FFS. British accent strikes again!
USEFUL!!!👍
Great simple easy
Thank you!
Thanks for this video :-) 👍
No problem Thanks for the comment! 👍
I know virtually 0000 about IPv6, but it seems like this doesn't even scratch the surface... Because I already knew almost half of everything explained here.
With that said: this is all really great information.
Amazing video
great video for review. more than normal ads
Thanks. Glad you liked the video. I let RUclips handle all the ads.
very good explanation
Thank you Murali
I got a question. If your first 3 set of hextets are used for networking. Wouldn’t your subnet number be 48 bits instead of 64? Because the last one is used for subnetting.
@10:41 - Do you have the Full list of all the IPv6 Range and type ?
Why no 0000::/3 or 1000::/3 ??
why anycast & unicast have the same address space, did they run out of ipv6 address space ???
great stuff
GOOD VID!
Thank you sir
Thanks man