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NE40E V800R010C10SPC500 Feature Description - Basic Configurations 01

This is NE40E V800R010C10SPC500 Feature Description - Basic Configurations
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Overview of Telnet

Overview of Telnet

The Telecommunication Network Protocol (Telnet) is derived from ARPANET released in 1969. It is the earliest Internet application.

A Telnet connection is a Transmission Control Protocol (TCP) connection used to transmit data with interspersed Telnet control information. Telnet uses the client/server model to present an interactive interface that enables a terminal to remotely log in to a server. A user can log in to one host and then use Telnet to remotely log in to and configure and manage multiple hosts without having to connect each one to a terminal. Figure 3-1 shows the Telnet client/server model.

Figure 3-1 Telnet client/server model

In Figure 3-1:

  • Telnet uses TCP for transmission.

  • All Telnet echo information is displayed on the terminal.

  • The server directly interacts with the pseudo terminal.

  • The server and client transmit commands and data over the TCP connection.

  • The client logs in to the server.


Use the STelnet protocol because this protocol is not secure.

Updated: 2019-01-03

Document ID: EDOC1100055037

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