Friday, October 26, 2012

Cisco ASA on GNS3

I was planning to design our existing ASA firewalls that are currently running independently to be active/active firewall running on multiple contexts.

I need a test lab for this. I use GNS3 for this.

I also need the ASA image and kernel files to be loaded in GNS3. Those files can be found from here
Once you got those files, you need to configure Qemu with the following options:

Qemu Options: -vnc none -vga none -m 1024 -icount auto -hdachs 980,16,32
Kernel cmd line: -append ide_generic.probe_mask=0x01 ide_core.chs=0.0:980,16,32 auto nousb console=ttyS0,9600 bigphysarea=65536

Also make sure you select the correct Initrd and Kernel files you downloaded earlier

You can now be able to start any ASA instance you have and when you do that, load the following keys:
activation-key 0x4a3ec071 0x0d86fbf6 0x7cb1bc48 0x8b48b8b0 0xf317c0b5
activation-key 0xb23bcf4a 0x1c713b4f 0x7d53bcbc 0xc4f8d09c 0x0e24c6b6

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