Chapter 73: Telnet Client
1120 Section XI: Management Security
Overview
The switch has a Telnet client so that you can remotely manage other
network devices from local management sessions of the switch. To use
the Telnet client, start a local management session on the switch and from
the Privileged Exec mode enter the appropriate Telnet client command.
There are two client commands. They are the TELNET command and the
TELNET6 command. The TELNET command is used to manage remote
devices that have IPv4 addresses. The TELNET6 command is used to
manage remote devices that have IPv6 addresses.
The guidelines for the Telnet client are listed here.
The Telnet client can be used to manage remote devices that have
IPv4 or IPv6 addresses.
The Telnet client is supported from local and Telnet management
sessions of the switch. You cannot use the Telnet client commands
from remote SSH management sessions.
The switch must have a management IP address that is of the same
type, IPv4 or IPv6, as the addresses on the remote devices. For
example, the switch must have an IPv6 address for you to remotely
manage devices that have IPv6 addresses. For instructions, refer to
Chapter 9, “IPv4 and IPv6 Management Addresses” on page 207.
The other network devices that you intend to manage with the Telnet
client must be members of the same subnet as the management IP
address of the switch or have access to it through routers or other
Layer 3 devices.
If the other devices are not members of the same subnet as the
switch’s management IP address, the switch must have a default
gateway. This is the IP address of an interface on a router or other
Layer 3 routing device that is the first hop to reaching the subnets of
the devices. For background information, refer to Chapter 9, “IPv4 and
IPv6 Management Addresses” on page 207.
A remote device must be configured for Telnet management before it
can be managed with the Telnet client on the switch. It must have
either an IPv4 or IPv6 address and its Telnet server must be active.
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