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[WLC] How to change the Telnet port on the controller

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Article ID: KB32305 KB Last Updated: 29 Nov 2017Version: 1.0
Summary:

This article explains how to change the Telnet port on the controller.

See also ‚ÄčKB32304 - [WLA/WLC] How to change the Secure Shell (SSH) port on the controller

Solution:

The default Telnet port number is 23.

In the controller, there is an option to change the Telnet port number using the following command:

set ip telnet <port-num>

The following command changes the telnet port number on the controller to 5000:

WLCV# set ip telnet 5000
success: change accepted

Note: If you change the Telnet port number from a Telnet session, MSS immediately ends the session.

To open a new management session, Telnet to the switch with the new Telnet port number.

From the controller, verify the new telnet port number by using the command, 'show ip telnet'.

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