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The ASA5505 can only perform Active/Standby failover and not Active/Active. Hopefully this post will be more useful and simpler to follow.įirst we need to understand some limitations of our devices. Still, it is hard to digest, as they try to cover all possible devices on the same page (even the obsolete pix500) even more the ASA5505 has some particularities compared with the rest of the ASA 5500 range of products and this is not very clearly explained.
#Asa 5505 cisco configurations software license#
If this outputs disabled, you will have to order and install a software license upgrade from Cisco in order to be able to use the ASA’s in failover.Ĭisco (as always) has a very complex documentation on how you can achieve this. You should look at the Failover feature and you should have ” Active/Standby”. This platform has an ASA 5505 Security Plus license.
![asa 5505 cisco configurations asa 5505 cisco configurations](https://www.routerfreak.com/wp-content/uploads/2015/03/asa-3rd-edition-202x340.png)
For example the sh run command will output something like this: Prerequisitesīefore even starting, let’s check that our ASA5505’s are running the appropriate software license. This post will show how we can setup a pair of ASA5505 in failover configuration, solution that can be very useful in a small office where we want to achieve a high availability and we can’t tolerate a failure of our frontend firewall. Still, if we have the proper software license (like Security Plus for example) we can use the ASA5505 to setup rather complex solutions. The ASA 5505 is the smallest (and cheapest) solution from the current Cisco hardware security appliances.