ASA 8. 38. 4 NAT Migration Lab Guide. Lets reinvents the wheel. Just to add a bit more fun to NAT, Cisco now a new third way to configure NAT on the Cisco devices. Yes, third as its already a bit different for configuring NAT on Rotuers, different on ASA pre 8. NAT on ASA 8. 38. I am using version 8. ASA 8. 4 NAT configuration example. This new NAT configuration is now around for more than a year but migrating from old to new depends how complex your configuration is. Now I am trying to keep things simple as I can, not because you will understand it easily but because I will confuse myself if I made it too complex. I will be starting a series of posts where I will explain NAT migration from old version to new step by step and I will use this post as an index of labs which tests and explains each NAT type. We will have our labs on the following pattern. Lab 1. 0 Dynamic NATPAT Overload. But this Post is related to Gns3 IOS images for Router, there are many GNS3 IOS for routers but one of the most stable IOS image is Cisco 7200 series IOS. Learn how to configure Cisco ASA 8. GNS3. Download compatible Cisco ASA 8. Lab 1. 1 Dynamic Policy NATLab 1. Dynamic NATPAT, Dynamic NATPAT Interface Overload,Dynamic Policy NATPAT Combined. Lab 1. 3 Static NAT, Static Policy NAT, Staic NAT with Port Translation, Many to Many Static NATLab 1. Double NATSource Destination NAT Let start, but before we do that we need GNS3. I have a lab where I can do all this stuff but why bother when you can do all your labs in GNS3. Cisco C7200 Ios Image For Gns3' title='Cisco C7200 Ios Image For Gns3' />Now, getting router working in GNS3 is simple enough but ASA a bit tricky but anyway I will explain, add links to get both router and ASA configured in GNS3. Applied Physics Dale Ewen Pdf - Free Software And Shareware. GNS3 Configuration. Download GNS3 from http www. I am using Version GNS3 v. BETA2 all in one. After installation, download the router image from Cisco Website or any other source you have. I am using Router Image 7. Series. The 7. 20. Exact Version info Cisco IOS Software, 7. Software C7. 20. ADVENTERPRISEK9 M, Version 1. T6, RELEASE SOFTWARE fc. Add this image to GNS3. Place a single router on the GNS worksheet and start the router, get the idle PC value and set it for the router. Its very important as with every router added, its going to slow down the system. ASA is specifically very bad and going to spike your RAM and CPU usage. GNS3 Graphical Network SimulatorCisco IOSCiscoCisco IOS. Lets reinvents the wheel. Just to add a bit more fun to NAT, Cisco now a new third way to configure NAT on the Cisco devices. Yes, third as its already a bit. Je suis dbutant avec GNS3, je fais un petit rseau local mais mon problme est que je narrive pas placer les PC sur mon rseau les relier au switch soit. Here you will find answers to Cisco IOS Questions. Note If you are not sure about the boot sequence of a routerswitch, please read my Cisco Router Boot Sequence. Configure the ASA in GNS as detailed in the post belowhttp www. Now you are ready to go and have a look at the labs.