Cisco ASA 5505 Configuration Manual page 1235

Chapter 59 Configuring Active/Standby Failover
Feature History for Active/Standby Failover
Table 59-3
Table 59-3 Feature History for Optional Active/Standby Failover Settings
Feature Name
This feature was introduced.
IPv6 support for failover added.
OL-20339-01
lists the release history for this feature.
Releases
7.0
8.2(2)
Feature History for Active/Standby Failover
Feature Information
This feature was introduced.
The following screens were changed:
Configuration > Device Managment > High
Availability > Failover > Setup
Configuration > Device Managment > High
Availability > Failover > Interfaces
Cisco ASA 5500 Series Configuration Guide using ASDM
59-17