When multiple Cisco ASA devices participate in failover or clustering, some licensed capacities automatically aggregate up to the platform hardware limit to maximize your investment. You can also activate additional licenses permanently or for a certain duration of time.
Some characteristics of the hardware platform or expansion modules can enable certain feature licenses implicitly.
To deliver the desired functionality within the available budget while allowing for future scalability, you can unlock advanced security capabilities and increase certain system capacities on demand through a flexible system of feature licenses.
This chapter covers the following topics: