FMC - Monitor this interface for failures

[ABaker94985]

We have a pair of Firepower 4110s configured as HA. Under the High Availability tab, we have a mixture of some interfaces having both "Monitor this interface for failures" selected and a Standby IP Address entered. On other interfaces, we only have "Monitor this interface for failures" without a Standby IP Address. In both cases, we have both active and standby MAC addresses entered. I'm having difficulty tracking down whether or not a standby IP address is needed, or if the MAC addresses alone are adequate. Can anyone help with this? Thanks

[balaji.bandi · Accepted solution]

its good to configure IP address also along with Virtual MAC Address : refer below guide :

https://www.cisco.com/c/en/us/support/docs/security/firepower-management-center/212699-configure-ftd-high-availability-on-firep.html

[ABaker94985]

Thank you!