https://community.cisco.com/t5/network-security/high-availability-configuration-with-two-different-asa-model/m-p/2738195#M192527 <P>Hi,</P><P>I have one ASA 5512-X and 5515-X Firewall at my data center. One of them is running as production box and the second one is available offline, this is fully configured to act as redundant firewall if the primary fails. We are currently running at risk having this manual switch over as the fail over plan.</P><P>Is it possible to configure an active/active or active/standby failover using these two different model ASA firewalls.</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Tue, 12 Mar 2019 06:28:07 GMT VAbr AVib 2019-03-12T06:28:07Z https://community.cisco.com/t5/network-security/high-availability-configuration-with-two-different-asa-model/m-p/2738195#M192527 <P>Hi,</P><P>I have one ASA 5512-X and 5515-X Firewall at my data center. One of them is running as production box and the second one is available offline, this is fully configured to act as redundant firewall if the primary fails. We are currently running at risk having this manual switch over as the fail over plan.</P><P>Is it possible to configure an active/active or active/standby failover using these two different model ASA firewalls.</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Tue, 12 Mar 2019 06:28:07 GMT https://community.cisco.com/t5/network-security/high-availability-configuration-with-two-different-asa-model/m-p/2738195#M192527 VAbr AVib 2019-03-12T06:28:07Z https://community.cisco.com/t5/network-security/high-availability-configuration-with-two-different-asa-model/m-p/2738196#M192531 <P>No - it's not possible.</P><P>An ASA HA pair requires that both models are&nbsp;identical hardware.</P> Thu, 20 Aug 2015 23:34:48 GMT https://community.cisco.com/t5/network-security/high-availability-configuration-with-two-different-asa-model/m-p/2738196#M192531 Marvin Rhoads 2015-08-20T23:34:48Z