Cisco ASA Firewall Active/Standby Failover Configuration

In this video I show how to configure a pair of Cisco ASA firewalls for Active/Standby Failover.

ASA-1

failover
failover lan unit primary
failover lan interface FAILOVER Management0/0
failover link STATEFUL GigabitEthernet0/3
failover interface ip FAILOVER 172.16.1.1 255.255.255.252 standby 172.16.1.2
failover interface ip STATEFUL 172.16.2.1 255.255.255.252 standby 172.16.2.2

ASA-2

failover
failover lan unit secondary
failover lan interface FAILOVER Management0/0
failover link STATEFUL GigabitEthernet0/3
failover interface ip FAILOVER 172.16.1.1 255.255.255.252 standby 172.16.1.2
failover interface ip STATEFUL 172.16.2.1 255.255.255.252 standby 172.16.2.2

Change Hostname to Reflect State and Priority

prompt hostname state priority

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Cisco ASA Firewall Active/Standby Failover Configuration