ASA Redundant Interface Failover

Cody Ridge — Mon, 11 Mar 2019 20:31:08 GMT

Hello,

I have two ASA 5540s, ver 8.4 configured in Active/Standby failover.

I am also using the redundant interface feature for my Inside interface. Gig0/0 is the active primary and Gig0/1 is standby.

I will activate failover monitoring of the Inside interface using the monitor inside command.

My question concerns the failover monitoring of the redundant interface. If the gig0/0 connection were to fail would the Gig0/1 interface become Active, AND simultaneously result in a full device failover?

Or, does Gig0/1 of the Inside interface redundant pair simply become active and not change the Inside interface device failover state? Thus NOT resulting in a device failover.

Regards,

Re: ASA Redundant Interface Failover

brquinn — Mon, 09 May 2011 20:38:50 GMT

"When the active interface fails over to the standby interface, this activity does not cause the redundant interface to appear to be failed when being monitored for device-level failover. Only when both physical interfaces fail does the redundant interface appear to be failed."

http://www.cisco.com/en/US/docs/security/asa/asa82/configuration/guide/intrface.html#wpmkr1097039

Thanks,

Brendan

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ASA Redundant Interface Failover

Re: ASA Redundant Interface Failover