3Com Switch 7754, Configuration Manual

Page: 51 / 940

4
L
OGGING IN THROUGH
T
ELNET
Introduction
You can manage and maintain a switch remotely by Telneting to the switch. To
achieve this, you need to configure both the switch and the Telnet terminal
accordingly.
Common Configuration Table 21 lists the common Telnet configuration.
Table 20 Requirements for Telnet to a switch
Item Requirement
Switch The IP address of the VLAN interface of the switch is configured and
the route between the switch and the Telnet terminal is available.
(Refer to “Configuring an IP Address for a VLAN Interface” on page
129 for more.)
The authentication mode and other settings are configured. Refer to
Table 21 and Table 22.
Telnet terminal Telnet is running.
The VLAN IP address of the switch is available.
Table 21 Common Telnet configuration
Configuration Description
VTY user
interface
configuration Configure the command
level available to users
logging into the VTY user
interface Optional
By default, commands of level 0 are available
to users logging into a VTY user interface.
Configure the protocols the
user interface supports Optional
By default, Telnet and SSH protocol are
supported.
VTY terminal
configuration Make terminal services
available Optional
By default, terminal services are available in all
user interfaces
Set the maximum number of
lines the screen can contain Optional
By default, the screen can contain up to 24
lines.
Set history command buffer
size Optional
By default, the history command buffer can
contain up to 10 commands.
Set the timeout time of a
user interface Optional
The default timeout time is 10 minutes.
Set whether to display the
copyright statement
information Optional
By default, the copyright information is
displayed when a user logs into a switch
through Telnet.