Best way to deal with "dynamic" SNMP data | Product Discussions

marting · 2022-08-01T19:43:29Z

I think this may be a bit of a unique scenario but I also think there might be a better way to deal with this than what I've tried so far. We're setting up LM to monitor a Crestron control system using their SNMP interface. Crestron supports some of the standard SNMP MIBs for reporting health of the control processors (e.g. Host Resources etc.) and then has a separate "IO" MIB that allows for reporting the status of various devices/systems that the control processors interface with. The main part of that MIB that I'm working with is essentially a table of status parameters (DataPoints in LM lingo), with each entry having some info about the parameter like the name of the parameter and the associated device, the current status, high/low value descriptions, etc. Couple simplified examples for purposes of this discussion: Table Entry 1 "Audio System" <-- Device name "Online Status" <-- Parameter name 1 <-- current status "Online" <-- "1" description "Offline" <-- "0" description Table Entry 2 "Projector x" <-- Device name "Power Status" <-- Parameter name 0 <-- current status "On" <-- "1" description "Off" <-- "0" description My initial approach was just based on an SNMP DataSource with ActiveDiscovery. This works okay but then the DataPoint on every instance is just "Status" and I can't set different thresholds depending on the parameter name (afaik). Based on the above examples, I would want different thresholds for Online Status vs. Power Status. Specific question related to this: is there any way to set a DataPoint name and/or DataPoint thresholds based on data from Active Discovery (i.e. instance properties)? Any other ideas for the SNMP approach? The second option I'm trying is using a script-based DataSource where the script returns the proper DataPoint name/values (e.g. "Online Status=1"). In this scenario, I can make different DataPoints with different thresholds depending on the parameter. The issue I run into is that every instance will show all of the possible DataPoints for any instance whether they apply or not. This is slightly better than the previous scenario but we still end up with more noise/confusion than desired. Specific question related to this: is there any way to enable/disable or show/hide DataPoints on a per-instance level based on data from Active Discovery? Any other ideas on the script-based approach? If you've made it this far, thanks for taking the time!

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