4 LOGGING IN THROUGH TELNETIntroduction You can manage and maintain a switch remotely by Telneting to the switch. Toachieve this, you need to configure both the switch and the Telnet terminalaccordingly.Common Configuration Table 21 lists the common Telnet configuration.Table 20 Requirements for Telnet to a switchItem RequirementSwitch The IP address of the VLAN interface of the switch is configured andthe route between the switch and the Telnet terminal is available.(Refer to “Configuring an IP Address for a VLAN Interface” on page129 for more.)The authentication mode and other settings are configured. Refer toTable 21 and Table 22.Telnet terminal Telnet is running.The VLAN IP address of the switch is available.Table 21 Common Telnet configurationConfiguration DescriptionVTY userinterfaceconfigurationConfigure the commandlevel available to userslogging into the VTY userinterfaceOptionalBy default, commands of level 0 are availableto users logging into a VTY user interface.Configure the protocols theuser interface supportsOptionalBy default, Telnet and SSH protocol aresupported.VTY terminalconfigurationMake terminal servicesavailableOptionalBy default, terminal services are available in alluser interfacesSet the maximum number oflines the screen can containOptionalBy default, the screen can contain up to 24lines.Set history command buffersizeOptionalBy default, the history command buffer cancontain up to 10 commands.Set the timeout time of auser interfaceOptionalThe default timeout time is 10 minutes.Set whether to display thecopyright statementinformationOptionalBy default, the copyright information isdisplayed when a user logs into a switchthrough Telnet.
