Telnet Server Connection; Disabling A Telnet Connection - Cisco DS-X9530-SF1-K9 - Supervisor-1 Module - Control Processor Configuration Manual

Chapter 4 Initial Configuration
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m .

Telnet Server Connection

The Telnet server is enabled by default on all switches in the Cisco MDS 9000 Family. If you require a
secure SSH connection, you need to disable the default Telnet connection and then enable the SSH
connection (see the
For information on connecting a terminal to the supervisor module console port, refer to the Cisco MDS
Note
9200 Series Hardware Installation Guide or the Cisco MDS 9500 Series Hardware Installation Guide.
A maximum of 16 sessions are allowed in any switch in the Cisco MDS 9500 Series or the Cisco MDS
Tip
9200 Series.
Make sure the terminal is connected to the switch and that the switch and terminal are both powered on.

Disabling a Telnet Connection

To disable Telnet connections to the switch, follow these steps:
Command
Step 1
switch# config t
Step 2
switch(config)# no telnet server enable
updated
switch(config)# telnet server enable
updated
OL-6973-03, Cisco MDS SAN-OS Release 2.x
"Enabling SSH Service" section on page 26-13).
Purpose
Enters configuration mode.
Disables the Telnet server.
Enables the Telnet server to return a Telnet connection
from a secure SSH connection.
Cisco MDS 9000 Family Configuration Guide
Telnet Server Connection
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