Telnet Connection Establishment 59
# Set the maximum number of lines the screen can contain to 30.
[SW4800G-ui-vty0] screen-length 30
# Set the maximum number of commands the history command buffer can store
to 20.
[SW4800G-ui-vty0] history-command max-size 20
# Set the timeout time to 6 minutes.
[SW4800G-ui-vty0] idle-timeout 6
Telnet Connection
Establishment
Telnetting to a Switch
from a Terminal
You can telnet to a switch and then configure the switch if the interface of the
management VLAN of the switch is assigned with an IP address. (By default, VLAN
1 is the management VLAN.)
Following are procedures to establish a Telnet connection to a switch:
Step 1: Log in to the switch through the console port, enable the Telnet server
function and assign an IP address to the management VLAN interface of the
switch.
■ Connect to the console port. Refer to section “Setting Up the Connection to
the Console Port” on page 31.
■ Execute the following commands in the terminal window to enable the Telnet
server function and assign an IP address to the management VLAN interface of
the switch.
# Enable the Telnet server function and configure the IP address of the
management VLAN interface as 202.38.160.92, and the subnet mask as
255.255.255.0.
<SW4800G> system-view
[SW4800G] telnet server enable
[SW4800G] interface vlan-interface 1
[SW4800G-Vlan-interface1] ip address 202.38.160.92 255.255.255.0
Step 2: Before Telnet users can log in to the switch, corresponding configurations
should have been performed on the switch according to different authentication
modes for them. Refer to section “Telnet Configuration with Authentication Mode
Being None” on page 49, section “Telnet Configuration with Authentication
Mode Being Password” on page 52, and section “Telnet Configuration with
Authentication Mode Being Scheme” on page 54 for more. By default, Telnet
users need to pass the password authentication to login.
Step 3: Connect your PC to the Switch, as shown in Figure 13. Make sure the
Ethernet port to which your PC is connected belongs to the management VLAN of
the switch and the route between your PC and the switch is available.
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