Friday 10 April 2015

Get a Cisco ASA working with GNS3

GNS3 is able to successfully emulate an ASA running 8.4 of the IOS software:

Firstly download a copy of the ASA's boot images:

We then download

Launch GNS3 and go to: Edit >> Preferences >> QEMU >> QEMU VMs >> New  and enter the following:

RAM: 1024 MiB
Number of NICs: 6
QEMU options: -m 1024 -icount auto -hdachs 980,16,32

Initrd: C:\ASA\asa842-initrd.gz
Kernel: C:\ASA\asa842-vmlinuz
Kernel cmd line: -append ide_generic.probe_mask=0x01 ide_core.chs=0.0:980,16,32 auto nousb console=ttyS0,9600 bigphysarea=65536

Finally activate the ASA's features with the following command:

activation-key 0x4a3ec071 0x0d86fbf6 0x7cb1bc48 0x8b48b8b0 0xf317c0b5


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