Sep 22, 2005 Learn how to configure SSH on your Cisco router. David Davis has the details. Most IT pros know that using Telnet to manage routers, switches, and firewalls is not exactly a.
Telnet sends all data in clear-text, including usernames and passwords. That is why it is recommended to use SSH (Secure Shell) to establish a secure session with a remote device. SSH encrypts all data transmitted over a network.
Here are the steps to configure SSH on a Cisco router:
- configure the router hostname using the hostname command.
- configure the domain name using the ip domain-name command.
- generate public and private keys using the crypto key generate rsa command.
- create a user in the local database using the username…secret command.
- allow only SSH access on VTY lines using the transport input ssh command.
Here is an example configuration:
We can now use an application such as PuTTY to access our device using SSH:
The system will prompt us for the username and password:Passwords on IOS devicesConfigure NTP on Cisco router
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