Connecting GNS3 to the internet Part 1

This tutorial will show you how to connect GNS3 to the internet and also how to synchronize your router's clock to a NTP server. The second part will show you how to advertise your RIP routes on your cisco router to the windows routing table

Category:

Science & Technology

Tags:

• cisco
• gns3
• internet
• ios
• router
• connect

[Qurnah]

At 6:23, why did you use the Default Gateway as 192.168.137.2 ?

I thought the default gateway is meant to be the IP address of your ADSL router/switch in this case?

Setting up 192.168.137.2 as a default gateway to your Loopback interface will return all the traffic back to your emulated GNS3 router because that's the IP address of the emulated router.

Could you please clarify ?

Cheers

[shamalawy]

@Qurnah well, since logically the router is connected to the PC first, then the PC routes the packets to its "REAL" physical interface which is connected to the ADSL router.. then you can consider the PC as the GW for the GNS3 router.. does that make any sense?

[shamalawy]

@Qurnah consider this as the topology..

GNS3 router ----> PC ------> ADSL Router ----> THE INTERNET

[Verbium]

I can't begin to thank you for this video, no other solution worked online and the time was ticking down for my dissertation. I can now completely my practical finally :D

[shamalawy]

@Verbium i'm at your service at any time. feel free to message me if you need anything, hopefully i can always help.

[123456iambelial]

I could ping the loopback adapter from the router.

I believe because the loopback is in public network. However, I could not make the loopback in Private network.

I usually disable my NIC and the loopback would give a prompt and I chose Private. But now, if I open two loopbacks there is no more prompt for making it private network.

Is there a fix for this?

[shamalawy]

@123456iambelial well, make sure you have your firewall disabled because GNS for the router is an external network.. you can also add a static route to windows incase you want to reach something beyond the edge router or see part 2 to know how to advertise you network routes to the PC.. and always choose the network as HOME network for the loopback interface.

[1SaudiCOOL]

This is great i was looking for this for a long time. Thanks a lot.

[Qurnah]

@shamalawy Thanks for that.

[winstonsmith2600]

This has to be by far the best set of instructions on how to setup ICS with GNS3. Much better than bridging. I spent all night trying out different methods and all I had to do was look on youtube. Thanks! The step I was missing was the route at the end. Why I didnt think of that earlier?

[thoughtpattern]

@klubbpaulo restart your computer

[thoughtpattern]

@klubbpaulo Restart your computer