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Catalyst 3750 Switch Software Configuration Guide
OL-8550-09
Chapter 33 Configuring Embedded Event Manager
Displaying Embedded Event Manager Information
Registering and Defining an Embedded Event Manager TCL Script
Beginning in privileged EXEC mode, perform this task to register a TCL script with EEM and to define
the TCL script and policy commands.
This example shows the sample output for the show event manager environment command:
Switch# show event manager environment all
No. Name Value
1 _cron_entry 0-59/2 0-23/1 * * 0-6
2 _show_cmd show ver
3 _syslog_pattern .*UPDOWN.*Ethernet1/0.*
4 _config_cmd1 interface Ethernet1/0
5 _config_cmd2 no shut
This example shows a CRON timer environment variable, which is assigned by the software, to be set to
every second minute, every hour of every day:
Switch (config)# event manager environment_cron_entry 0-59/2 0-23/1 * * 0-6
This example shows the sample EEM policy named tm_cli_cmd.tcl registered as a system policy. The
system policies are part of the Cisco IOS image. User-defined TCL scripts must first be copied to flash
memory.
Switch (config)# event manager policy tm_cli_cmd.tcl type system
Displaying Embedded Event Manager Information
To display information about EEM, including EEM registered policies and EEM history data, see the
Cisco IOS Network Management Command Reference.
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 1
show event manager
environment [all |
variable-name]
(Optional) The show event manager environment command displays the name and
value of the EEM environment variables.
(Optional) The all keyword displays the EEM environment variables.
(Optional) The variable-name argument displays information about the specified
environment variable.
Step 2
configure terminal Enter global configuration mode.
Step 3
event manager environment
variable-name string
Configure the value of the specified EEM environment variable. Repeat this step for
all the required environment variables.
Step 4
event manager policy
policy-file-name [type
system] [trap]
Register the EEM policy to be run when the specified event defined within the
policy occurs.
Step 5
exit Exit global configuration mode and return to privileged EXEC mode.