Consolidated Platform Configuration Guide, Cisco Ios Release 15.2(4)E (Catalyst 2960-X Switches - Cisco Catalyst 2960 series Configuration Manual

How to Configure the Configuration Engine
DETAILED STEPS
Command or Action
Step 1
enable
Example:
Switch> enable
Step 2
show cns config connections
Example:
Switch# show cns config connections
Step 3 Make sure that the CNS event agent is properly
connected to the event gateway.
Step 4 show cns event connections
Example:
Switch# show cns event connections
Step 5 Record from the output of Step 4 the information for
the currently connected connection listed below. You
will be using the IP address and port number in
subsequent steps of these instructions.
Step 6
configure terminal
Example:
Switch# configure terminal
Step 7 no cns event ip-address port-number
Example:
Switch(config)# no cns event 172.28.129.22 2012
Step 8 cns event ip-address port-number
Example:
Switch(config)# cns event 172.28.129.22 2012

Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)

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Purpose
Enables privileged EXEC mode. Enter your password if
prompted.
Displays whether the CNS event agent is connecting to the
gateway, connected, or active, and the gateway used by the
event agent, its IP address and port number.
Examine the output of show cns config connections for the
following:
• Connection is active.
• Connection is using the currently configured switch
hostname. The DeviceID will be refreshed to
correspond to the new hostname configuration using
these instructions.
Displays the event connection information for your switch.
Enters global configuration mode.
Specifies the IP address and port number that you recorded
in Step 5 in this command.
This command breaks the connection between the switch
and the event gateway. It is necessary to first break, then
reestablish, this connection to refresh the DeviceID.
Specifies the IP address and port number that you recorded
in Step 5 in this command.
This command reestablishes the connection between the
switch and the event gateway.