Guidance on loading SNMP MIB for pattern designer
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06-23-2022 11:36 AM
objective: discovery and classify a Nasuni linux file server that utilizes SNMP MIBs.
possible issues with discovery: 1. unsure about credentials to the server (which we'll work on). 2. uncertain about loading a MIB
main question is regarding MIBs
Attempting to utilize this video to create a pattern for the Nasuni filer but am getting hung up on not being able to see the MIB file in pattern designer (at least that is one hangup).
I have attached the MIB as a no-extension record that is simply named alphanumeric with no special characters. it appears fine and i did restart the MID server.
current state of discovery: it sees the IP i'm hitting with quick discovery, here but does not Identify (gets stuck in Identification)
I've followed threads on community and docs: https://docs.servicenow.com/bundle/sandiego-it-operations-management/page/product/discovery/task/t_LoadAMIBModule.html
i have used the Grab logs related link on the MID server to generate the logs. Then i went to ECC Queue and filtered by [Source] [is] [grabLog] according to https://docs.servicenow.com/bundle/sandiego-servicenow-platform/page/product/mid-server/concept/ecc-queue-mid-server.html#manage-ecc-queue-content
There is an agent0.log.0 and 2 agent0.log.1 files along with a wrapper.log file. Which of these should i expect to see messages pertaining to the loading of uploaded MIBs? So far i've not isolated messages pertaining to the particular MIB i've uploaded to midserver SNMP MIBs. I've tried searching the payloads in the log files and searching for keywords that match the name of the MIB file but not finding anything.
What can i do to to confirm if the MIB was even processed or if there were errors pertaining to them NOT being processed, as it doesnt show up in the pattern designer? what should i expect to see in the logs? Will i see the name of the MIB in the logs? what kind of error or confirmation log message do i look for? i've attached a screenshot from the youtube mentioned above that captures an example log message that the video creator saw but i am not seeing such messages when i look (so i'm either looking in the wrong place, or system isn't generating those messages, or theres an issue with the MIB processing).
much appreciated in advance, thanks!
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06-27-2022 08:37 AM
Les, if there was a problem with the MIB you would have seen the error in the MID agent log, seems it complied just fine. If you goto your pattern and add an snmp query step you should be able to choose the MIB you loaded and walk it to get to the query you are looking to return.
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07-01-2022 07:14 AM
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05-03-2023 09:01 AM
Hi Les - any chance you ever figured this out?
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05-03-2023 09:28 AM
Sorry, no. Basically dropped it until a later date which hasnt yet come to pass. We'll probably pick it back up sometime if the requester continues to want it.