But what is AAA in terms of network security? David Davis tells you what you need to know about AAA and the basic configuration for it in the Cisco IOS.

For more information about configuring SSH on your router, check out Cisco's Configuring Secure Shell documentation and its Secure Shell Version 2 Support documentation.

Let’s start with how to configure SSH on a Cisco IOS router. This configuration process is also very similar on Cisco switches and firewalls.