Compatibility ASA 5540 and ASA 5545

[Bruno Silva]

Hi guys,

i have two ASA 5540 firewalls working in stack, unfortunately one of them was broke up. some power issue or something like that...

my question is, i have one ASA 5545X in spare. Can i substitute the 5540 for the 5545 with no problem?

thanks in advance! 

[Rob Ingram · Accepted solution]

Hi Bruno,

No unfortunately, it must be the same model hardware, reference here.

[balaji.bandi]

As suggested in other post, the Model / Ram / ISO all should be same for Cluster.