failover on cisco asa

Unanswered Question
Dec 1st, 2008

Hi all, when configuring failover on the cisco asa, my book says you configure the failover on the interface, like this failover lan interface MFAILOVER gigabit interace 0/3

what does the MYFAILOVER mean? is this just the name of the interface that you have done using the nameif command?

so if my gig 0/1 is called inside, you would type failover lan interface inside ??

cheers

I have this problem too.
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grant.maynard Mon, 12/01/2008 - 15:45

Rubbish! For a start the ASA does not have a serial port, the only option is LAN-based failover.

And you must use a dedicated interface for failover, though you can share it with stateful failover. e.g.

failover

failover lan unit primary

failover lan interface failover Gig0/3

failover key *****

failover link failover Gig0/3

failover interface ip failover 1.1.1.1 255.255.255.252 standby 1.1.1.2

You should not connect the two ASA failover interfaces by cross-over - use a switch or hub.

sean.lagerholm Wed, 12/03/2008 - 13:26

MFAILOVER is the name of the failover interface. If you already named the interface, try removing the name. The putting in the failover configuration.

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