In this lab, you will enable the SSH server on a router and then connect to that router using a PC with an SSH client installed. The network devices that are communicating must be configured to support SSH in order for SSH to function. However, it can also transfer files using the associated Secure FTP ( SFTP ) or Secure Copy ( SCP ) protocols. SSH is most often used to log in to a remote device and execute commands. SSH is rapidly replacing T elnet as the remote login tool of choice for network professionals. SSH encrypts all information that passes over the network link and provides authentication of the remote computer. Secure Shell ( SSH ) is a network protocol that establishes a secure terminal emulation connection to a router or other networking device.
This allows a network sniffer to intercept passwords and configuration information. Telnet do es not encrypt the information between the client and server. In the past, Telnet was the most common network protocol used to remotely configure network devices.
Part 4: SSH from the CLI on the Switch Background / Scenario Part 3: Configure the Switch for SSH Access Part 2: Configure the Router for SSH Access
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