Cisco PIX firewall can be simulated on GNS3. You need a PIX firewall image to run it with gns3.

Steps to be followed.

Step 1. Download the following files and save these file in a specific folder.

Binary image

key and serial

PIX will work in GNS3 with Qemu.

Step 2. Open gns3 and on the file menu go to :  Edit > Preferences and click on Qemu and then select the PIX tab.



Step 3. Now write some name in the "identifier name" field and then browse the binary image that was downloaded in step 1.

Step 4 . open the text file downloaded above containing keys and serial and copy paste in the respective fields.


Save the PIX-image then apply and ok !


Now drag and drop the PIX firewall from the device menu and start it. open console and enjoy configuring PIX firewall.