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Hey! The trick is that you run different ISIS processes in each IGP domain, not different areas/levels. You don't redistribute between the processes so you don't leak prefixes between the IGP domains.

I wonder , how SR MPLS can resolve the same situation , have you any other video when you explain this , whit SR mpls ? Thanks in advance.

Hey! Here's my 2 cents: - AMD and nested virtualization doesn't go well; I never used AMD processors, but I've read on forums about some issues people had - containerized labs are becoming really popular; containerlab.dev/ is such a platform with support for lots of vendors while XRd can be deployed on a 20.04 Ubuntu - XRd's require 1CPU and 2GB RAM and have the same features; I have deployed it in my lab, I will make a video soon about this - Juniper cRPD (can do basic IP/MPLS routing on it) requires 1CPU and 256MB (RAM increase is depended on FIB scale, you can have 32k routes for this amount of RAM) So considering these, I think labs will require far less resources in the near future and I wouldn't invest too much if you plan on doing only routing. Of course the situation changes for Security/DC labs.

@@ping-factory Thank you very much!

to let others know also, I have a course on SR on Udemy

@@ping-factory got them!

Glad you enjoyed

yes, that's in plan also

Glad it helped

You can run labs with the XRv, but not with the XRv 9000. Your bottle neck, I'd say, is the CPU. Check here how much resources they need: rc.cloudmylab.com/vendor/Cisco

@@ping-factory Understood. XRv will work or We also need XRV 9000?

@@dopzbw8533 now with CCIE SP 5.1 there might be some features that are supported on XRv 9k and not on XRv, I don't know for sure anymore. For CCIE SP 5.0 XRv was enough. Also it is good to play with the version they use in the lab to see if you hit any bugs so that they don't take you by surprise. What I've done was lab on my own PC with lower specs and then, 3 months before the exam I rented a bare metal server with 256GB RAM and 24 physical CPU's from gthost.com.

@@ping-factory Ok. Thanks

My pleasure!

You are welcome!

Thanks man!

Thanks man! It's the same English, though, you know :D

Then don't watch it, lol.

Then don't watch it, lol.

Thanks!

That's the whole purpose of these videos, thanks!

Thanks man! Good luck with the exam, the fact that you can take the lab exam from home is genius.

Thanks man. I hope that my English will get better with time.

His English is fine. Doesn't interfere with my ability to understand at all.

English is fine.

Thanks a lot! More awesome explanations are on their way!

Thanks, man! I hope that eventually you watched it and enjoyed.

Thanks! BGP-LU is in plan, yes.

Glad you think so!

Sure, you could have a router that runs both regions processes. It would then run BGP-LU and forward the BGP-LU advertisement from 1 PE to the other. Quite hard to explain just in writing :) Anyway, this wouldn't scale also. Big SP's have like tens of regions, directly connecting each region to each other is almost impossible.

Hello. In the Alcatel-Lucent Versatile Routing and Services with BGP book by Bookham, mentions that there shouldn't be direct communication between aggregation regions, instead it should go through the core.

@@felixruiztorrez5192 yes, this is correct. This is how it should be done in real world networks, but in the lab you can do anything you wish. And what I was saying before was that we could have direct communication between regions. It would work from a protocol perspective, but it beats the whole purpose of segmentation per regions.

thanks! happy you enjoyed it.

Thank you! Will do!

Hey! Did you check this file: Ping Factory - CCNP CCIE SP mock lab.zip?

Thanks!

Hey! XRv 6.6.3 s.go.ro/e2m2n7b3

Thanks a lot, and stay tuned for more surprises :)

The topology consists of 24 XRv nodes and 11 L3 vIOS nodes. If you check the link below it says you need 35 vCPU and 85 GB RAM, but I think the real usage is below half. cloudmylab.com/rsrc/eve-ng-com/index.html Also, you could just turn on only 1 AS at a time and work on it and not all at the same time and that would save a lot of resources. Enjoy!

you didn't know what to say, but I like what you said :D

thanks for the kind words!

enjoy!

enjoy my friend

It's very good, my friend. It really covers most of the topics and you'll find there precious information.

have fun labbing!