Free CCNA | NAT (Part 1) | Day 44 | CCNA 200-301 Complete Course

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Күн бұрын

Free CCNA 200-301 flashcards/Packet Tracer labs for the course: jitl.jp/ccna-files
📖 My CCNA Book: Vol 1: jitl.jp/book1-yt Vol 2: jitl.jp/book2-yt
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In Day 44 of this free CCNA 200-301 complete course, you will learn about NAT (Network Address Translation).
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
0:46 Things we'll cover
1:34 Private IPv4 addresses
7:41 NAT intro
10:30 Static NAT
15:03 Static NAT configuration
18:08 Cisco NAT terminology
20:18 'clear ip nat translation*'
21:10 'show ip nat statistics'
21:44 Command review
22:04 Things we covered
23:27 Quiz 1
24:07 Quiz 2
25:14 Quiz 3
25:51 Quiz 4
26:34 Quiz 5
28:01 Boson ExSim
#cisco #CCNA

Пікірлер: 217

@nawab256 3 жыл бұрын

in the beginning u see over 1m views but by the end you only see 3k views in the end. these are the winners.

@LuisRodriguez-wo6nl Жыл бұрын

😂 so true !!!

@TheGreatLizardWizard 3 жыл бұрын

Hey Jeremy, passed my CCNA with a 935/1000, couldn't have done it without your amazing video series and Boson ExSim, thank you for everything!

@JeremysITLab 3 жыл бұрын

Awesome score, congrats! Glad my videos were helpful :)

@thewhistlehasbeenblown 3 жыл бұрын

How long did you study for? (I'm currently on month 3 of studying and still don't quite feel ready just yet).

@TheGreatLizardWizard 3 жыл бұрын

@@thewhistlehasbeenblown About 6 months, if you steady yourself and really focus and balance out a well study schedule and use as many resources as you can, you'll score high on the CCNA

@thewhistlehasbeenblown 3 жыл бұрын

Thank you for taking the time to respond, I appreciate that and I'll definitely be continuing my studies daily, Warmly, Bill

@TheGreatLizardWizard 3 жыл бұрын

@@thewhistlehasbeenblown Ofc! Always happy to help out and give some input, I wish you the best of luck on your studies and the exam! :)

@SwrPwr 2 жыл бұрын

I believe Jeremy is the ONLY youtuber on this UNIVERSE that doesn't get any negative feedback on his/her channel; and it's needless to explain the obvious. Thank you, Jeremy!

@stardustmotion 4 ай бұрын

i respect the volition to always spell the 4 numbers of each ipv4 address since day 1

@carlosenriquelopezperez7269 3 жыл бұрын

Jeremy thank u again, you can teach CCNA to a dog, IS AMAZING, A MASTERCLASS..... THANK U JEREMY, PEOPLE LIKE U, DESERVE 10000000 Of followers, you are doing something especial to have a better world.

@JeremysITLab 3 жыл бұрын

Maybe if it's a REALLY smart dog! ;)

@MiguelHernandez-zd7kr 3 жыл бұрын

Thank you Jeremy! Lecture > Flashcards > Lab > Repeat... This is the may.

@JeremysITLab 3 жыл бұрын

I agree, it is the way!

@TheZaw100 3 жыл бұрын

Jeremy no words can express how thankful I am for these amazing videos, I am happy to inform you that I have passed my technical interview at a Cisco partner and the guy who interviewed me said that I am better than 70 percent of applicants :D I am really excited for the job and I wouldn't have make it without your videos.

@JeremysITLab 3 жыл бұрын

Awesome, congrats! I'm glad my videos were helpful :)

@rotrose7531 2 жыл бұрын

This channel has become a go to place for people who learn networking. I cannot thank you enough for the tremendous work you have done for us.

@StuartTufft 3 жыл бұрын

I'm caught up! Time to start the reviewing process. You are getting very close to 100k subs Jeremy. I will be cheering you on towards this big milestone!

@JeremysITLab 3 жыл бұрын

That was quick! I think it's a good idea to take the time to review before going on to the remaining topics. Thanks, I'm stoked for 100k! Never expected the channel to get this far, but I'll take it :)

@NetworkBruh 3 жыл бұрын

You are making great progress Jeremy. This course is awesome and best of all its FREE!!

@JeremysITLab 3 жыл бұрын

Cheers bruh! Wish I could catch your streams live, but due to the time zone difference I'm always working

@ranjanadissanayaka5390 Жыл бұрын

Another topic learned successfully, thanks to Jeremy. The amount of time and commitment you have put in to making those videos are just mind blowing. 😀

@dbest19330 3 жыл бұрын

Great video.....this really cemented by understanding of inside local/global and outside local/global. There is no way I can mix it up after watching this. Bravo!

@ninosodicho382 2 жыл бұрын

Sir, no words can express how thankful I am for these amazing videos

@preetidongave3616 Жыл бұрын

You are just great! In my 12 years carrier never seen such lucid explaination in all throughout series. You are developing network expert . We request you to please keep on sharing knowledge on more CCNP, CCIE, NEXUS, ACI . We will join your channel surely to follow. Thanks you so much!!!

@VeryBigBang13 3 жыл бұрын

I just finished the DHCP video and i was doing some googling about that delicious Magic Cookie when i got the notification. I'm so happy the videos are still coming up. Thanks Jeremy, you are the Best !

@JeremysITLab 3 жыл бұрын

Thanks, we're getting close to the end of the course! :)

@robertroy1878 2 жыл бұрын

Fantastic videos! Best series I've watched, and I've watched lots!

@faizaussi352 3 жыл бұрын

You sure sacrifice a lot for us, thank you Jeremy.May God bless you.

@JeremysITLab 3 жыл бұрын

Thank you Faiza :)

@Zenandchill1111 9 ай бұрын

hey Jeremy , your course is amazing and I am truly learning alot! Thank you for all you do and especially this fabulous content .

@mhere7595 3 жыл бұрын

Finally!! Thanks for all your content!! It is much appreciated! Clearest video course out there.

@JeremysITLab 3 жыл бұрын

Thank you :)

@0wad Жыл бұрын

I was always wondering what the private ip addresses were and how using those private ips would be able to send traffic over the internet before I even started this amazing course. I was wondering if I was gonna learn about it sooner or later in this course and I finally got to it and it all clicked instantly. Its such a great feeling!

@glenntembo2693 3 жыл бұрын

Thanks J, always a delightful learning from you.

@JeremysITLab 3 жыл бұрын

Thanks Glenn :)

@knowledgemutitsve 5 ай бұрын

Currently on NAT. I am enjoying the lessons and still going.Thank you Jeremy.

@MohamedAchehboune 3 жыл бұрын

Great content Jeremy. I'm grateful!

@JeremysITLab 3 жыл бұрын

Thanks Mohamed! I appreciate the support :)

@thewhistlehasbeenblown 3 жыл бұрын

Currently taking the OCG practice exams and scoring 764 (with 800 being a passing score according to the practice test itself) But I notated quite a few things I need to get clear on (NAT being one of them) because I was getting questions wrong - and I just wanted to take a moment to say... This video helped A LOT. Just watched it whilst taking notes and I finally feel like I actually understand the inside local, inside global, outside local, outside global IP addresses now. Thank you Jeremy, I really appreciate the help.

@JeremysITLab 3 жыл бұрын

Thanks Billy, glad the video was helpful!

@golus4963 2 жыл бұрын

Jeremy Sir, thank you, 🏋 now I can answer to my doubt!! ❣️

@puttupurajeswari4061 3 жыл бұрын

Really your explanation was superb...Thanks. Hope you will do more videos on networking..

@007finness 3 жыл бұрын

Thank you so much for this complete course, Jeremy! I stopped reading the books for I am more of a visual and auditory learner. In this case, your videos while writing notes. I've gone through 10 chapters on the first book. Usually takes me 4 hours to read, highlight and write notes, take the included quiz. But, feels incomplete after all that. After switching to your videos, it only takes me 2 hours to write notes while listening to you, take the quiz, lab, and get through the flashcards. It might get longer once I get to the chapters I haven't read yet from the book. But, still better with the full package. By the way, how many more topics are you adding? I noticed how Day 44 was recently uploaded and doesn't have a lab yet. I made an excel sheet with corresponding day and check boxes for each topic, quiz, lab, and anki cards to keep me motivated and checked.

@JeremysITLab 3 жыл бұрын

Thanks, glad you like the course! You can check the progress here: jeremysitlab.com/ccna-course-progress

@MusaTheGamer 3 жыл бұрын

Thank your for producing these videos!

@JeremysITLab 3 жыл бұрын

Thanks for watching them! :)

@qasimshido 3 жыл бұрын

Ohhh yeeeeeees!! Finally.

@qasimshido 3 жыл бұрын

Ohhh yeeeeeees!! Finally. Thank you very much sir.

@JeremysITLab 3 жыл бұрын

Hi Qasim, thanks for watching :)

@letam7492 3 жыл бұрын

Thank you for all video that you made , great teacher!!!

@JeremysITLab 3 жыл бұрын

Thank you :)

@majiddehbi9186 3 жыл бұрын

Oh i m so happy day by day we are getting. Close God bless u and keep helping People

@JeremysITLab 3 жыл бұрын

Thank you, Majid :)

@samirsamir7779 3 жыл бұрын

hello Jeremy , great as usually , thank you :)

@JeremysITLab 3 жыл бұрын

Thanks Samir :)

@anwarahmed5342 3 жыл бұрын

Thank you 🙏 awesome tips, Everything is clear here, voice video, explanation We appreciate.

@JeremysITLab 3 жыл бұрын

Thank you :)

@user-vr4oe1id9k Жыл бұрын

Awesome video and great complex question from Boson ExSim

@franksoko02 3 жыл бұрын

As always thanks Jeremy am sure its full useful information thank you in advance

@JeremysITLab 3 жыл бұрын

Thanks Frank :)

@-b777ljq3 2 жыл бұрын

very clearly explained, very good, quiz questions are very helpful

@sSavageGainSs 2 жыл бұрын

Love your videos! Greetings from Colombia!

@Flying_turnip187 2 жыл бұрын

This was a great lesson! This confused the hell out of me. Thanks!1

@robotname438 Жыл бұрын

0:00 - Intro & Things we'll cover 2:20 - RFC 1918 (Private IPv4 addresses) 7:42 - NAT (Network Address Translation) 10:23 - Static Source NAT 15:02 - Static NAT Configuration 20:18 - A few more useful commands 21:44 - Command review 22:03 - Things we covered 23:23 - QUIZ 23:27 - question#1 24:04 - question#2 25:11 - question#3 25:47 - question#4 26:31 - question#5 27:55 - question from Boson 30:56 - JCNP -Level Channel Members

@Bhaktisindhu1 2 жыл бұрын

Thank you sir for great explanation 🙂

@umairm8595 3 жыл бұрын

Thank you Jeremy this is very helpful

@JeremysITLab 3 жыл бұрын

Thanks Umair, glad to hear it

@englaytech1269 3 ай бұрын

thanks Jeremy.

@konstantinepanin3146 3 жыл бұрын

Thanks for your work!!!

@JeremysITLab 3 жыл бұрын

Thanks for watching :)

@eminkarimov2675 3 жыл бұрын

Thanks Jeremy!

@JeremysITLab 3 жыл бұрын

Thanks for watching and leaving a comment, Emin :)

@frederickokpere5987 2 жыл бұрын

Hi Jeremy, We appreciate your efforts to bring these free video series to us. However i have a question. If i go thru all yr videos and then go through the Niel Anderson Gold Boot camp videos and use Boson exam practice , can i be ready to pass the CCNA in 30days?

@konefine3626 3 жыл бұрын

What a great explanation, even kindergartener may understand networking with Jeremy's IT Video lol 😊

@CarlosCastillejos 2 жыл бұрын

Great video..

@rafiebabkir1137 8 ай бұрын

you are the best instructor i like you way teaching all the best

@djthomassmith Жыл бұрын

24:42 Could someone provide me the timestamp when Jeremy mentioned that "If you have already statically mapped a private IP address to a public IP address, if you try to map another private IP to that same public IP, the command will be rejected" earlier in the video? I can't seem to find it.

@markfuentes3666 2 жыл бұрын

Thanks again

@NoorullahYaqoubi 10 ай бұрын

If two host in the LAN communicating the same server and using the same service on the internet at the same time, the traffic for both sessions from the external server will be destained to the same public IP address on the router. So, how NAT differentiate the session of two host in the LAN communicating the same server and using the same service on the internet at the same time? Is it uses the source port number? Please let me know if I am right :)

@juanmartinayonacarrera2190 3 жыл бұрын

Hi Jeremy thank you for vieos.

@JeremysITLab 3 жыл бұрын

Thanks for watching, Juan :)

@jackd9259 Жыл бұрын

JEREMY THE GOAT

@kamilovicftw6810 2 жыл бұрын

Good morning from germany. Video 84, lets go! :)

@NetonaAustralia 5 ай бұрын

If the inside IP address does change. Need we adjust the router with the new IP address, is that right? If yes, I assume it's advisable that local IP's must be have in a static network.

@joycegeorge7947 3 жыл бұрын

U r awesome...... Looking for more videos.... Include new portions in ccna such as security... Thnku😍

@JeremysITLab 3 жыл бұрын

New video coming every week :)

@seanturner7511 5 ай бұрын

Day 44 let's gooo!!!!

@shahzebraza1903 3 жыл бұрын

Thanks sir for giving such a wonderful information about CCNA love from Pakistan

@JeremysITLab 3 жыл бұрын

Thank you, I'm glad you like it :)

@hassanhhashemy8377 2 жыл бұрын

thank you

@okechukwudaniel1702 3 жыл бұрын

Hi Jeremy, I can not thank you enough for your effort and contribution to the development of new and better cisco network engineers. Your free videos have practically taken me from level "0" to a level where I can now follow the conversation with better understanding and I thank you immensely for that, but there's still so much for me to do. I would like to buy the Boson practice questions to prepare for the CCNA exam but considering that I have no job, it's a bit challenging so my question is "How can one get a really good discount to be able to afford the Boson practice questions? As always, thank you very much for your support.

@JeremysITLab 3 жыл бұрын

Thanks for your message :) For Boson, you can use my discount code JEREMY15 for 15% off, or you can wait for their next sale (they have a 25% or 30% sale a couple times a year).

@okechukwudaniel1702 3 жыл бұрын

@@JeremysITLab Thank you Jeremy, I honestly wonder how you are able to do all these including responding to questions, it' amazing. Anyway, do you have any idea when their next sale will be and has there been any such sale this year?

@user-wr2lm8qh2t 3 жыл бұрын

Thanks, very useful

@JeremysITLab 3 жыл бұрын

Thanks :)

@fwutter2701 3 жыл бұрын

This is off topic but Jerermy, can you talk about your experience in Japan, how you got to be an english teacher there and land a job there as a network engineer. Great videos and thank you very much for making them!

@JeremysITLab 3 жыл бұрын

Yeah I'll probably make some videos on other topics like that after I finish the course!

@mimiu395 3 жыл бұрын

@@JeremysITLab When do you think to finish the course? I am prep for CCNA and I am nervous. Thanks for the videos. They are very helpful

@gowthamshanmugam6988 3 жыл бұрын

Thank you very much sir... Love from India🇮🇳

@JeremysITLab 3 жыл бұрын

Thanks for watching :)

@TheZaw100 3 жыл бұрын

I always turn off adblocker as a thank. You and I surely will use bosom for my ccna exam:D

@JeremysITLab 3 жыл бұрын

Thanks Abed, I appreciate it :)

@Bhaktisindhu1 2 жыл бұрын

Thank you sir

@irfankhalifa5647 3 жыл бұрын

Hi Jeremy, thank you for some awesome videos... Just subscribed and will be going through all the videos... I know course is still in progress but do you know how many days roughly it will be or how many days I need to watch to go for ccna exam? Thank you once again...

@JeremysITLab 3 жыл бұрын

Roughly, maybe 60 days in total!

@aruizsilva Ай бұрын

Thanks!

@multibatmam1 Жыл бұрын

Hi Jeremy, thanks again for the amazing content. I will do my CCNA first try in 31 of this month. Just one question, is it okay to say the following? - Inside Local → Original Source IP Address - LAN perspective - Inside Global → Translated Source IP Address - WAN perspective - Outside Local → Original Destination IP Address - LAN perspective - Outside Global → Translated (if translated) Destination IP Address - WAN perspective

@Alex-eq7uh 2 жыл бұрын

you are the best sir

@mg7670 28 күн бұрын

Thanks

@aniswlidi2012 6 ай бұрын

Hi Jeremy. A small confusion for the addresses. Every thing is clear for the Inside/outside. The confusion comes from the figure starting at 11:10. How the 20.3.113.1 ip address comes in place when the Outside local address is 100.0.0.1?

@exsata 3 жыл бұрын

Thanks, man, just want to know when you will complete this video or course?

@JeremysITLab 3 жыл бұрын

Hi, the course will probably be finished in a few months. You can check the progress here: jeremysitlab.com/ccna-course-progress

@otabektillavayev3309 11 ай бұрын

Thanks million

@pieleanumihai928 5 ай бұрын

thanks

@leustad 3 жыл бұрын

Hey Jeremy, how does the R1 knows which private address it needs to translate to? 10:24 is there an indication in the frame or R1 holds a table to correlate these IP addresses OR is it assumed that this is static NAT?

@JeremysITLab 3 жыл бұрын

R1 keeps a table of the translations. You can see it at 15:04, for example.

@thecaveman123 4 ай бұрын

If you wanted to, could you just assign the public IPs that you purchased directly to the hosts, so you wouldn't have to configure any static NAT translations? Would there be any negative sides to this?

@majiddehbi9186 3 жыл бұрын

We are almost done with IP connectivity. It still only. Forwarding per hop behavior thx Sir and GOd blass u

@JeremysITLab 3 жыл бұрын

Thank you, Majid!

@emilianobogliacini4269 3 жыл бұрын

Hi Jeremy, wanted to thank you for this great course you put together, it's helping me a lot in reviewing the CCNA topics before my exam! By the way, would it be possible to know how many videos are left in order to cover the full CCNA topics list? Thanks in advance! Also, I have a doubt about the following STP flashcard, could you please check it and confirm the answer is correct? Configure a switchport as an RSTP edge port: SW1(config-if)# [...] > spanning-tree portfast thanks again

@JeremysITLab 3 жыл бұрын

Hi Emiliano, I'm not sure how many videos are left, but you can check the course progress here: jeremysitlab.com/ccna-course-progress As for the STP flashcard, it is correct! Check out the RSTP video for clarification.

@emilianobogliacini4269 3 жыл бұрын

Thanks a lot Jeremy!

@harrycaetano8989 8 ай бұрын

Thanks for illumiating me

@knowledgenemhara7598 3 жыл бұрын

I was wondering if you have notes that go with the videos; if you do, where & how can I get them?

@JeremysITLab 3 жыл бұрын

No notes, I recommend taking notes as you study!

@rikhiramrana4977 3 жыл бұрын

Hi Jeremy I have just started to watch your video and it helps me also but I haven't found a link of flashcard for dowmload

@JeremysITLab 3 жыл бұрын

Top line of the description: Free CCNA 200-301 flashcards/Packet Tracer labs for the course: jeremysitlab.com/youtube-join/

@udarasalgado4171 2 жыл бұрын

Hi, Quiz no : 02, in the packet tracer I have tried to NAT different Inside Local IP addresses. And it allow to do it. Once I send sh ip nat trans command it's show the most latest Inside Local IP address.

@JeremysITLab 2 жыл бұрын

Packet Tracer isn't 100% accurate

@lemm18 3 жыл бұрын

Hi Jeremy, my exam is coming up soon (less than 2 weeks from now) i am done watching most of uour videos and also some other resource as well. I also have been doing practice exam with boson and i am only getting 60-65% grade 2 of the exam, do you think its okay for me to continur doing the practice exam from boson until i get a passing grade? What if i kinda memorize the question and answers for doing it multiple times, will that help me out on my exam?

@JeremysITLab 3 жыл бұрын

Yeah unfortunately practice exams are only good at measuring your level the first time you do them. After that they can still be good review/practice, but it's not a reliable way to measure your level.

@beladibeladi2915 3 жыл бұрын

Many thanks to you Jeremy for your good course , I have an issue about quiz 2 as when I applied it by packet tracer, the second ip 10.0.0.2 was accepted and not rejected, so answer c) is the correct answer, could you explain where is the wrong?

@JeremysITLab 3 жыл бұрын

You can expect packet tracer to sometimes not behave like real Cisco devices. If you try it on a real device, you'll get the error message shown in the video.

@chris33006 2 жыл бұрын

Do i need to remember the IPv4 private address changes for the CCNA exam?

@JeremysITLab 2 жыл бұрын

Yes, definitely!

@weniweedeewiki.6237 Жыл бұрын

Not heard your voice today so i thought I'd get my daily dose

@DevOpsPulse 3 жыл бұрын

you are great

@JeremysITLab 3 жыл бұрын

Thank you :)

@srivishnukarikalan1442 3 жыл бұрын

Hey Jermey reached Day 33 of your video just wondering how many more videos for this series to end coz planning to take the ccna exam 2 weeks from now.

@JeremysITLab 3 жыл бұрын

Hi, you can check the progress of the course here: jeremysitlab.com/ccna-course-progress

@Mohamed-ch9vz Жыл бұрын

Hi, what happens if we ping our private address?

@Tegriidy 3 жыл бұрын

Guys I failed my first attempt sadly just shy of 82.5% at 80.5%. I have felt de-motivated but have since started studying again to tackle the exam. 1 topic I have struggled to understand and get back into is NAT Translation For example: I had a question asking What the Source IP is after showing the output of the command show IP Nat Translations that I know I failed since studying. What I am not understanding is after some investigating and research I picked the inside local address as the source when in fact it should be the inside global. I don't quite understand this as the traffic would originate from the local private address - be Natted to the Public Inside Global address and so on hence why I picked the inside local as the source address. Can anyone explain this to me? Does this command display the outpu always from an internal to external Point-Of-View? (Inside traffic is always the source vs Outside if always the destination) or can it be reversed?

@deepbaban6864 3 жыл бұрын

Are Official cert guide ccna 200-301 books are enough for ccna. Does they cover all topics for ccna

@JeremysITLab 3 жыл бұрын

Yes they are very good!

@Santoshkumar-jp3pv 3 жыл бұрын

hi jeremy a small doubt the outisde local shoud be the inside local IP addess right? little confused on this.

@JeremysITLab 3 жыл бұрын

Check out the definitions I give in this video. Outside local = IP address of the OUTSIDE HOST, from the perspective of the local network. Inside local = IP address of the INSIDE HOST, from the perspective of the local network. So, they are not the same.

@Santoshkumar-jp3pv 3 жыл бұрын

@@JeremysITLab go it thanks a lot

@gottapusimhachalam6788 Жыл бұрын

In sh ip nat translations command "__" refers to ? A.dynamic nat B.static nat C.active translations D.pat

@pankajbobade901 Жыл бұрын

Hi Jermy, I have doubt, in static NAT section.. On router interface you have configured different public IP and while demonstrating you have used 100. Range public IP.. Is that correct? It should be same as router's IP

@JeremysITLab Жыл бұрын

It's correct! It doesn't have to be the same as the router's IP

@AH-hs7di Жыл бұрын

Hello Jeremy_IT, thanks a lot for the videos! I wanted to ask about 21:05, you said if you want to remove IPs that are Inside global, and Inside local, you have to remove the "ip nat inside source static" commands, but the question here is, how to remove those commands, with what command? I am sorry for my ignorance. Again ,THANK YOU for the videos, they are extremly helpful.

@JeremysITLab Жыл бұрын

In Cisco IOS you can use ‘no’ in front of a command to remove it

@AH-hs7di Жыл бұрын

@@JeremysITLab Thanks a lot!

@danydany3974 3 жыл бұрын

hi jeremy any advice how to learn devnet. can you please do lecture on.

@JeremysITLab 3 жыл бұрын

Sorry, I don't have the DevNet certifications so I can't give advice about them.

@mohamedyoussef8835 Жыл бұрын

Awesome video +++++++++ 🙂

@HaohmaruHL Жыл бұрын

So, this Inside Local/Global and Outside Local/Global system looks similar to having a local ID document (like driver's license) and a passport for foreign travels, right? If you go abroad nobody cares about your local driver's license, it doesn't really prove anything since each country has their own ID system. So you have to show a document valid abroad which they can identify you by, like your travel passport with visas inside etc. Then, when you get home, you can use your local ID again. From the perspective of your country your driver's license would suffice, but from the perspective of other countries you need a document valid globally.