Learn how to configure Cisco IOS routers or switches to support SSH key pair authentication in this 23-minute video tutorial. Explore the process of creating user accounts, setting up key chains, and generating SSH keypairs on both Linux and Windows systems. Discover how to paste public keys into the Cisco IOS configuration and verify the setup using MD5 hashes. Gain insights into reducing login latency and handling deprecated algorithms. Finally, learn how to configure the device to exclusively use SSH key authentication for enhanced security. Follow along with step-by-step instructions and practical demonstrations to implement this more secure authentication method on your Cisco network devices.