Managing the Telnet client

You can start a Telnet client session using different emulation types. This topic also explains how to establish a cascaded Telnet session.

The Telnet client enables a TCP/IP user to sign on and use applications on a remote system by using a Telnet server application. Telnet allows you to log on to the remote computer and use it as if you were connected directly to it. You can run programs, change configurations, or do just almost anything else you can do.

Telnet makes your computer act like a mainframe computer's workstation. In other words, when using Telnet, your computer (the client) pretends to be, or emulates, a terminal directly attached to the remote computer (the Telnet server).

The Telnet client also supports Request for Comments (RFC) 2877. RFC 2877 clients get more control over the Telnet server virtual device on the System i™ platform through several new parameters on the STRTCPTELN (TELNET) command. The new parameters are:

• Remote virtual display (RMTVRTDSP)

• Remote user (RMTUSER)

• Remote password (RMTPWD) (including support for new 128-byte passwords if the Telnet Server supports them)

• Remote password encryption (RMTPWENC) (including DES7 and SHA1 encryption)

• Remote initial program (RMTINLPGM)

• Remote initial menu (RMTINLMNU)

• Remote current library (RMTCURLIB)

• Remote keyboard type (RMTKBDTYPE)

• Remote character set (RMTCHRSET)

• Remote code page (RMTCODPAG)

• Controlling Telnet server functions from the client
  You can use the Telnet client to control workstation processing on the Telnet server when you are in a client session.

• 5250 Telnet client sessions
  You can use this emulation type to sign on and use applications on a remote system that has a Telnet server application.

• 3270 Telnet client sessions
  The 3270 emulation type allows you to access a remote system that has a Telnet server application.

• VTxxx Telnet client sessions
  VTxxx Telnet client sessions provide information about using this emulation type to sign on and use applications on a remote system that has a Telnet server application. This section also provides more information about VTxxx emulation.

• Establishing a cascaded Telnet session
  You can establish another Telnet session while you are in a current Telnet session. After you establish a cascaded session, you can move between the different systems.

• Ending a Telnet client session
  When you are connected to a System i platform, signing off does not necessarily end your Telnet server session. To end the session, enter a key or sequence of keys to put the Telnet client into a local command mode. You can then type the command to end the session.

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