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ASA redundant interface failover time

Bauer Chris
Level 1
Level 1

Hello

I have been looking for information on the failover time for a redundant interface. In particular, I am looking at configuring an ASA with two physical interfaces to different routers in a ring running EIGRP. I understand there will be the EIGRP reconvergence time, but I am wondering how this compares to failing over to a standby node with a single attached interface.

Has anyone had any experiences with this type of failover in a similar situation?

Thanks

-Chris

1 Reply 1

nkarthikeyan
Level 7
Level 7

Hi Bauer,

Failover Times by Platform

Table 32-4 shows the minimum, default, and maximum failover times for the Cisco ASA 5500 series ASA.

Table 32-4     Cisco ASA 5500 Series Adaptive Security Appliance Failover Times

Failover Condition
Minimum
Default
Maximum

Active unit loses power or stops normal operation.

800 milliseconds

15 seconds

45 seconds

Active unit main board interface link down.

500 milliseconds

5 seconds

15 seconds

Active unit 4GE card interface link down.

2 seconds

5 seconds

15 seconds

Active unit IPS or CSC card fails.

2 seconds

2 seconds

2 seconds

Active unit interface up, but connection problem causes interface testing.

5 seconds

25 seconds

75 seconds

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