ASA5510 failover connection

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Apr 21st, 2008
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hi there, im trying to setup failover between two ASA 5510 and on inter e0/3 (on both ASA's) i have plugged a crossover a cable directly connecting them. Will this work to configure LAN based failover with stateful failover or do I need to connect the 2 asa's with a serial cable?

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contreras Mon, 04/21/2008 - 08:15
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You don't need a serial cable with ASA's. I would recommend that you put a switch in between the failover connections. If you loose an ASA both e0/3 interfaces will go down and you may run into issues.

solpandor Mon, 04/21/2008 - 08:43
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hi there, thanks for the reply. can the switch have any other devices plugged into it or does it just have to be a switch exclusive for the 2 ports of the 2 asa's?

contreras Tue, 04/22/2008 - 06:59
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You should put both failover interfaces in their own vlan, if you have other devices plugged into the switch.


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