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SNMP + Item Anchoring Extensions (Tips & tricks)

by acaballero @, Thursday, September 26, 2013, 04:36 (2241 days ago)
edited by acaballero, Thursday, September 26, 2013, 04:44

SNMP extension requirements and considerations

Please note that this extension is pretty barebones and is intented for people who knows about SNMP monitoring. You should document yourself on SNMP before attempting to use this extension on SMTPing, because you'll get lost easily.

This extension will let you specify an item as an SNMP node of a certain type. Right now it supports SNMP v1 and v2 (v3 will be added later on) and it comes with the Net-SNMP MIBs, which will be handy for monitoring Linux servers.

SNMP stuff NOT to miss

What the Item Anchoring extension is for

Due to the nature of the results given by SNMP agents (integers, percents, bytes, allocation units, etc.), you shouldn't mix up different types of results within the same group, because the group charts will be all messy if you have a regular ping node (measured in response MS), a TCP port checking node (measured as response in MS), a SNMP Free disk space node (measured in allocation units and converted to bytes) and a CPU activity node (measured in a percentile integer).

So, the correct usage of the SNMP nodes is pretty straight: you must create groups for distinct nodes with the same types of SNMP items inside (only CPU, only Disk, only interface, etc.) Then use the Item Anchoring extension to create a relationship between all of them.

Example:

Once you reload the dashboard, you'll be able to click on the "Ping A" and "Ping B" nodes to toggle their related nodes' visibility. That's what this extension was made for :)

Still confused?

If you're questioning why there are no screen shots here... well, please be patient. I'll add them later on.

If you need help, don't hesitate on posting a support request here at the forum.



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