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62 CHAPTER 4: TERMINAL SERVICE
Figure 27 Dumb terminal networking diagram
1 Configure the interface to dumb terminal mode.
[Router-Serial1] physical-mode async
[Router-Serial1] undo modem
[Router-Serial1] async mode flow
2 Configure the auto-execute command command.
[Router-Serial1] auto-execute command telnet 10.110.164.45
After the configuration, press Enter twice on the terminal connected to this async
interface to log on the SCO UNIX host 1.110.164.45. During the configuration,
you can click exit to exit the command line interface and can also click Enter twice
to return.
Terminal Service of
Telnet Connection
Telnet Overview Telnet protocol, which belongs to the application layer protocol in the TCP/IP
protocol suite, describes how to provide telnet and virtual terminal functions via
the network. Telnet connection services provided by the 3Com Router 1.x include:
■ Telnet Server service: provides services for local and remote users to logon to
the router, maintains the router and accesses network resources. As shown in
the following figure, users can logon to the router by running the Telnet client
program on the computer and perform the configuration management for the
router.
Figure 28 Telnet server service
■ Telnet Client service: provides service for local or remote users who have logged
on to the local router to access other remote system resources by using the
Telnet Client program of the local router. As shown in the following figure,
users can re-logon to router B using the Telnet command and perform
configuration management after establishing a connection with router A via
the terminal emulator or Telnet program on the computer.
Quidway Series Router
10.110.164.4
4
Terminal
SCO UNIX
Workstation
10.110.164.4
5
Workstation
(Telnet Client)
Router
(Telnet Server)