ASA 9.x features that will make you upgrade today

The latest ASA releases brought many interesting features and some of them might be really useful.

Summarization tricks

Route summarization is something really basic, but it is always useful. We can optimize ACLs with using some summarization tricks!

Site-to-Site VPN in multiple context mode (ASA 9.x)

Before configuring a Site-to-Site VPN in a multiple context mode ASA, you must assign VPN resources to the context. By default, no VPN site-to-site tunnels are allowed and you must manually configure a resource class to allow any VPN sessions, otherwise you will see the message "Tunnel Rejected: The maximum tunnel count allowed has been reached" in IKE debug outputs.