On Fri, May 27, 2016 at 9:49 AM Jeremy Laidman <jlaidman at rebel-it.com.au> wrote:

Can you confirm if positive IDs are accepted by devmon? If not, this might be a red herring.

Try applying this adjustment to devmon and see if it helps. This forces the SNMP_Session module to avoid negative request IDs:

*** devmon.orig 2011-05-06 15:32:03.000000000 +1000 --- devmon 2016-05-30 12:26:14.000000000 +1000

*** 30,35 **** --- 30,37 ----

Do start-up housekeeping

initialize($VERSION);

• $SNMP_Session::default_avoid_negative_request_ids = 1;

• Enter main loop

  do_log("Entering poll loop", 0); while (1) {