What Does Virtual Teletype (VTY) Mean?
Virtual teletype (VTY) is a command line interface (CLI) created in a router and used to facilitate a connection to the daemon via Telnet, a network protocol used in local area networks. To connect to a VTY, users must present a valid password.
Techopedia Explains Virtual Teletype (VTY)
The VTY interface has three restricted mode commands:
