The steps for accessing a router via the terminal console are described as follows:
Terminal Console: Use terminal emulation to access the router and configure it.
Router# configure terminal(Enter configuration mode) Router# line con 0(Enter console configuration)
In line con configuration mode, you can set the idle timeout period for exiting the console, passwords, and so on.
TTY Lines: Cisco router asynchronous ports, accessed by remote PCs, Macintosh, or UNIX hosts via MODEM dial-up.
Router# configure terminal(Enter configuration mode) Router# line tty line-number [ending-line-number](Enter TTY configuration)
Here you can set security access controls such as the username and password for dial-in access.
VTY Lines: The corresponding synchronous interfaces, like Ethernet, serial, Token Ring, and FDDI interfaces, accessed via Telnet.
Router# configure terminal(Enter configuration mode) Router# line vty line-number [ending-line-number](Enter VTY configuration) ending-line-number is the last VTY number. It indicates how many simultaneous Telnet sessions are allowed. Router# exec-timeout minutes [seconds]Sets the idle timeout period, after which the Telnet session is terminated.
Based on SNMP network management, if you specify compliance with the Simple Network Management Protocol (SNMP) on the router, then any SNMP-based network software can manage that router.
Router# snmp-server community string [view view-name] [ro | rw] [number] vty:virtual terminal type tty:tele terminal type
The methods for accessing a router via the terminal console are as described above. I believe that as long as you understand the content of this article, putting it into practice should not be difficult. Go ahead and try it yourself.
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