Embedded Event Manager - SNMP - run TCL script

[jschweng]

I would like to run a tcl script on a router using snmp. I understand Embedded Event Manager can do this but haven't found what I need to run that.  Can someone point me in the right direction?

[Joe Clarke]

Yeah, you could do this, but it depends on your version of IOS.  You will need EEM 3.1 or higher (15.0) to be able to intercept SNMP GET requests.  Then, you could do something like:

event manager applet snmp-trigger
 event snmp-object oid 1.9.9.9.9 type gauge sync yes istable no
 action 1.0 policy my_tcl_policy.tcl
 action 2.0 snmp-object-value event-id _event_id gauge 0 next-oid 1.9.9.9.9.0
 action 3.0 exit 1
!
snmp-server manager

Then, when you query 1.9.9.9.9.0 on the device, the Tcl policy "my_tcl_policy.tcl" should execute, and the snmp-trigger applet policy will return a value of 0.

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[jschweng]

ok thank you i'll give it a try