Hi,
For active/standby failover (HA pair)
Model
|
License Requirement
|
ASA 5505
|
Security Plus License. (Stateful failover is not supported).
|
ASA 5510, ASA 5512-X
|
Security Plus License.
|
All other models
|
Base License.
|
For active/active failover (HA pair)
Model
|
License Requirement
|
ASA 5505
|
No support.
|
ASA 5510, ASA 5512-X
|
Security Plus License.
|
All other models
|
Base License.
|
Hence the base license is enough for failover in ASA 5515
Regards,
Shivapramod M
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