3com 5500-ei pwr Instruccion De Instalación
3-1
3
Logging In Through Telnet
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Introduction
Switch 5500-EI support Telnet. You can manage and maintain a switch remotely by Telnetting to the
switch.
To log in to a switch through Telnet, the corresponding configuration is required on both the switch and
the Telnet terminal.
You can also log in to a switch through SSH. SSH is a secure shell added to Telnet. Refer to the SSH
Operation for related information.
Table 3-1 Requirements for Telnetting to a switch
Item
Requirement
The IP address is configured for the VLAN of the switch, and the route between
the switch and the Telnet terminal is reachable. (Refer to the IP Address
Configuration – IP Performance Configuration and Routing Protocol parts for
more.)
the switch and the Telnet terminal is reachable. (Refer to the IP Address
Configuration – IP Performance Configuration and Routing Protocol parts for
more.)
Switch
The authentication mode and other settings are configured. Refer to
.
Telnet is running.
Telnet terminal
The IP address of the VLAN interface of the switch is available.
Common Configuration
Table 3-2 Common Telnet configuration
Configuration
Description
Configure the command
level available to users
logging in to the VTY user
interface
level available to users
logging in to the VTY user
interface
Optional
By default, commands of level 0 are available to
users logging in to a VTY user interface.
users logging in to a VTY user interface.
Configure the protocols the
user interface supports
user interface supports
Optional
By default, Telnet and SSH protocol are
supported.
supported.
VTY user
interface
configuration
interface
configuration
Set the commands to be
executed automatically after
a user log in to the user
interface successfully
executed automatically after
a user log in to the user
interface successfully
Optional
By default, no command is executed
automatically after a user logs into the VTY user
interface.
automatically after a user logs into the VTY user
interface.