Using Telnet; Using Secure Shell - Lenovo RackSwitch G8264 Application Manual

Using Telnet

Using Secure Shell

© Copyright Lenovo 2016
Once you configure the IP address and have a network connection, you can use the
Telnet program from an external management station to access and control the
switch. Once the default gateway is enabled, the management station and your
switch do not need to be on the same IP subnet.
The G8264 supports an industry standard command‐line interface (ISCLI) that you
can use to configure and control the switch over the network using the Telnet
program. You can use the ISCLI to perform many basic network management
functions. In addition, you can configure the switch for management using an
SNMP‐based network management system or a Web browser.
For more information, see the documents listed in "Additional References" on
page 29.
A Telnet connection offers the convenience of accessing the switch from a
workstation connected to the network. Telnet access provides the same options for
user and administrator access as those available through the console port.
By default, Telnet access is enabled. Use the following commands to disable or
re‐enable Telnet access:
RS G8264(config)# [no] access telnet enable
Once the switch is configured with an IP address and gateway, you can use Telnet
to access switch administration from any workstation connected to the
management network.
To establish a Telnet connection with the switch, run the Telnet program on your
workstation and issue the following Telnet command:
telnet <switch IPv4 or IPv6 address>
You will then be prompted to enter a password as explained "Switch Login Levels"
on page 52.
Two attempts are allowed to log in to the switch. After the second unsuccessful
attempt, the Telnet client is disconnected via TCP session closure.
Although a remote network administrator can manage the configuration of a
G8264 via Telnet, this method does not provide a secure connection. The Secure
Shell (SSH) protocol enables you to securely log into another device over a network
Chapter 1: Switch Administration
37