Cisco TCL/EEM HowTo

Some pointers for TCL/EEM setup.

Basic EEM config

(config)# event manager directory user policy "flash0:/"
# show event manager directory user library
(config)# event manager policy monitorCO.tcl
# show event manager policy registered
(config)# no event manager policy monitorCO.tcl
# show event manager history events
# event manager run monitorCO.tcl

To execute monitor in a loop

(config)# event manager environment monitorCO_INTERVAL 30
# show event manager environment

How to get the TCL code to Cisco flash

Start tclsh;

Enter

puts [open "flash0:/monitorCO.tcl" w+] {

Do NOT hit the ENTER key at the end of the line.

Copy-paste the file contents. The contents should not include unmatched curly right brackets (every curly right bracket has to be preceded by a matching curly left bracket).

After the file contents have been pasted, enter }, and press ENTER.

End the tclsh session with tclquit.

Check that your file was correctly inserted to flash:

# more monitorCO.tcl

kron example

!
kron occurrence minute in 1 recurring
policy-list monitorCOrun
!
kron policy-list monitorCOrun
cli event manager run monitorCO.tcl
!