![]() Note: You can visit the same section in future by clicking Edit > IOS Images and Hypervisors.Ħ. Click Test Settings > Have patience, it can take a couple of minutes > Apply > OK. ![]() ![]() The defaults are fine but if you run GNS3 on several machines you might want to choose something like Dropbox > Apply > OK.Ĥ. Check that the path to the ‘projects’ and your ‘images’ folder are where you want them to be. Note: You can do the same in future, by going to Edit > PreferencesĢ. Launch the program, you will be greeted with the following setup wizard. Download GNS3, I accept all the defaults (I actually tick to install SuperPuTTy, as tabbed console windows can be handy when using GNS3). Follow the steps below to do this:Ģ.) Drag and drop ‘Cloud’ to the GNS3 work-space and connect it with an Ethernet Switch. You can connect ASA from the computer from which you are running GNS3. (or download from )ģ.) Download asa842-initrd.gz and asa842-vmlinuzĤ.) Now Open GNS3 and go to Edit -> Preferences -> Qemu -> Qemu VMsĥ.) Click New and type a name of your ASA deviceĦ.) Select the type as ASA 8.4(2) and click Nextħ.) Leave the Qemu binary and RAM as it is and click NextĨ.) Now browse the initrd and Kernal image which you downloaded and click Finishĩ.) Last thing you need to do is add a few more interfaces by clicking Edit -> Network and change adapters from 4 to 6ġ1.) Now in the main GNs3 window click the Browse Security Device and drag your new ASA into the workspace. You can get it from your live ASA device by copying the image to a TFTP server. You may need to register/login to get the software.Ģ.) Get a copy of ASA 8.4.2 code. ![]() Please make sure that your computer has at least 4GB of RAM before you begin.ġ.) Download and install GNS3. In GNS3, QEMU is an emulator which emulates the hardware environment for a Cisco ASA device. This post will take you through a step-by-step guide to emulate Cisco ASA 8.4.2 on GNS3. I recommend signing up for Cisco VIRL and running the virtual appliances in the new GNS3 using VMWare Workstation. This guide is no longer my recommended way of running an ASA in GNS3.
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