Getting remote access of devices is essential for management of your network. SSH and Telnet are most widely used services. SSH is considered to be more secure then Telnet as SSH used encryption technologies. In this article I will explain how to enable SSH on Cisco devices (Router and Switches).
Cisco Terminal Server When you have multiple devices and you want their console access or when you have to configure devices remotely then only way to do that is to use Terminal server. Cisco Terminal server is basically a device which use octal cable or roll over cable to connect console port of other devices.