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ASA 5510 Failover Using Sub-Interface?

Can you use a sub-interface for statefull failover on the ASA5510? If so, is there any drawbacks to doing so? If not, can you use the management port for failover?

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Cisco Employee

Re: ASA 5510 Failover Using Sub-Interface?

Yes, you can use the sub-interface. We did have some restrictions back in earlier code when we were using those ugly physical and logical interface types, but now that we've changed to ints and sub-int (v7.x) there's no restriction.

The failover documentation here (http://www.cisco.com/univercd/cc/td/doc/product/multisec/asa_sw/v_7_1/conf_gd/failover.htm) mentions subinterfaces many times.

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