I have a few sites all running Cisco ASA 5510s. They all share the same asa (8.4(4)1) and asdm (6.4.9) version, but their configs differ significantly. I have a cold spare sitting in my office in the event we have a physical failure.
Is there a quick and simple way I can load up multiple configs and then boot up the cold spare to then run the config from Site_A or Site_B? Just looking for a quick solution rather than doing a full restore should something fail spectacularly.
Nice to say upon bootup, using confreg perhaps, to boot Site_A config rather than Site_C.
You can store different config files in the flash or on an external FTP/TFTP server; and name them for ex SiteA.cfg SiteB.cfg SiteC.cfg... When you start the cold standby, either have an empty startup-config or you can clear the running-config after it boots:
clear configure all
then you can quickly copy the saved site config as the running-config and save it
copy flash:/SiteA.cfg running-config
NOTE: copy flash:/SiteA.cfg run actually merges SiteA.cfg with the current running config; that's why I recommend a clear configure all first
Option 2 would be using the boot config command:
clear configure all
boot config disk0:/SiteA.cfg
NOTE: this requires a reboot to validate that the cold standby actually booted the correct config; therefore will take a bit more time to get the ASA ready.
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