Before we begin.,Please make sure that you have below items in your machine.
1.Download & Install GNS3
2.Cisco ASA 8.4 ISO image(valid)
Now Let's assume that, you have installed GNS3 on your machine.
Steps to be Followed,
Step 1:- Download the ASA image & Extract them. Copy the extracted image & Paste them to GNS3 Images Directory.
Ex: C:\Users\<user name>\GNS3\images\
Step 2:- Open GNS3 --> go to edit---> Preferrence ----> QEMU---> QEMU VMs
Step 3:- Click New ---->Select QEMU VM type ---> ASA 8.4(2) ----> Next Button.
Step 4:- Give whatever name you want to assign to ASA.
Step 5:- Assign RAM size for the ASA. (>=1024MB)
Step 6:- Browse the Boot ISO files, which we have pasted in GNS3 images Directory.
Step 7 :- Press Ok, Then Drag Cisco ASA Image to Workspace.
Step 8 :- Right Click ASA image ----> Press Start button.
Step 9:- Go to Console view--> If everything is perfect, It will start booting. In case any issues, add your comments. After booting process, it will go to enable prompt of ASA.
Step 10:- Type enable ---> and press enter, in the password prompt. To check the Cisco ASA version & License Information. Type " Show Version" Command.
Step 11:- Now ASA is loaded with Default License Key, which has limited features. Issue the following commands, to install the New License Key.
Step 12:- Go to Configure Terminal ---> type "activation-key 0xb23bcf4a 0x1c713b4f 0x7d53bcbc 0xc4f8d09c 0x0e24c6b6" ---------> Write -----> Reload.
Step 13:- Wait for 15-20 mins roughly, it could take more time. During the reboot, it will take some more time for Key Validation Phase. Wait for some time.
Step 14:- Now Your ASA is ready with the New License Installed.
That's All Guys..!! If you face any issues in the process, do let me know..!!