This post will take you through a step-by-step guide to emulate Cisco ASA 8.4.2 on GNS3. In GNS3, QEMU is an emulator which emulates the hardware environment for a Cisco ASA device. Please make sure that your computer has at least 4GB of RAM before you begin. 1.) Download and install GNS3. You can get the software from. You may need to register/login to get the software.
Mar 5, 2012 - Restart your PC. Follow this guide about how to configure ASA 8.4(2) for GNS3. Start a new Porject in GNS3 and drag/drop a ASA (8.4) firewall to the topology. Drag/Drop Cloud Object from Panel on the Left to the topology and right click. CISCO - CCNA Security 1.2 - How to Setup Cisco ASA 5520 on GNS3 Playlist: https://www.youtube.com.
2.) Get a copy of ASA 8.4.2 code. You can get it from your live ASA device by copying the image to a TFTP server. 4.) Open a console session to your ASA from GNS3 and configure one of its interface like below: interface GigabitEthernet1 nameif inside security-level 100 ip address 192.168.1.10 255.255.255.0 5.) Now try to ping your computers Loopback IP from the ASA and vice-verse (Make sure that you disable firewall/antivirus etc on your local PC which is installed with GNS3.) 6.) Download ASDM ( asdm-649.bin) from 7.) Install a TFTP server in your local PC and keep the above file in its root directory. 8.) Now upload the asdm-649.bin to the ASA flash using the below commands: (If the upload fails, then try disabling any other network adapter other than the Loop-back adapter temporarily and try) ciscoasa# copy tftp: flash: Address or name of remote host? 192.168.1.100 Source filename? Asdm-649.bin Destination filename asdm-649.bin? Accessing tftp://192.168.1.100/asdm-649.bin!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
18927088 bytes copied in 143.10 secs (132357 bytes/sec) 9.) Initiate the below commands to load ASDM on the ASA and enable http server: ciscoasa(config)# asdm image flash:asdm-649.bin ciscoasa(config)# http server enable ciscoasa(config)# http 192.168.1.10 255.255.255.0 inside ciscoasa(config)# username admin password 1234 privilege 15.
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