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Essential GNS3 Configuration for Cisco CCNP Lab

Posted in GNS3, Networking3 months ago • Written by Shais2 Comments

For GNS3 Configuration in previews topic “Install GNS3 1.1 Network Simulator Step by Step” I explained the installation of GNS3. Now I’m going to show you the essential GNS3 Configuration for Cisco training lab. It’s the exact Simulator which we can create a complete practical Lab for CCNA, CCNP and CCIE Certifications. By default there is no Router in GNS3, you must download Router IOS Image and add it to GNS3.

GNS3 Configuration for Beginners

So let’s start it. First run the installed GNS3, when it is opened, ask you to create a new project. Only type the name of new project and select the file location if you want to keep it in different location and click OK.

GNS3 New Project

GNS3 New Project

Now to add a router, click Edit form Menu then click Preference, in Preference page click on Dynamips twice and click IOS Routers, then click New button and browse for IOS Image and select IOS image, open it.

Select Router Image

Select Router Image

Click Yes when ask you would you like to decompress this IOS image?

IOS Image message

IOS Image message

When the decompressing is finished click next.

New IOS Router

New IOS Router

Click next and let the router named by default.

Default Router Name

Default Router Name

Now select memory for router and click next. Default is good but no enough RAM will prevent IOS to start.

RAM for router

RAM for router

Leave the network adapter slot by default for now and click next.

Network adapter slot

Network adapter slot

On the Idl-PC click finish.

Idle-PC

Idle-PC

Now you have add a router successfully.

GNS3 Routers

GNS3 Routers

For a complex network lab you must add some more router IOS and Firewall.

Router IOS is not provided freely by GNS3 Network Simulator, but  you must purchase or use your existing router IOS for GNS3 configuration and router configuration. Goolge can help you find some free router IOS.

OK, now you must understand the essential gns3 configuration for stating networking field and achieve your Network Certifications or Security Certifications.


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Shais

I'm a network and Information Security instructor. Here is my online pictorial notebook. I would like to write and share my experience through this website for computer enthusiasts and technology geeks.

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2 Comments so far. Feel free to join this conversation.

  1. MukhtarNovember 21, 2014 at 4:22 pm - Reply

    it was very informative and interesting

    • Shais
      ShaisNovember 21, 2014 at 5:01 pm - Reply

      Thanks for appreciation dear Mukhtar 😉

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