<div dir="auto">Also, which version of NUT is involved? There were recently PRs (merged to master-branch, eventually will be in 2.8.1) about more SNMP-UPS support including APCs e.g. 1674, 1679, 1113 (should be in 2.8.0)...<div dir="auto"><br></div><div dir="auto">Many distros still ship 2.7.4...</div><div dir="auto"><br></div><div dir="auto">Jim</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Feb 28, 2023, 00:57 Greg Troxel <<a href="mailto:gdt@lexort.com">gdt@lexort.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">mateuszx via Nut-upsdev <<a href="mailto:nut-upsdev@alioth-lists.debian.net" target="_blank" rel="noreferrer">nut-upsdev@alioth-lists.debian.net</a>> writes:<br>
<br>
> At my workplace I have exact UPS config as stated in the subject (APC MGE<br>
> Galaxy 5500 + AP9635CH).<br>
> I have it set up to work with snmp-ups NUT driver.<br>
> Despite many readings from *upsc* command I am not receiving "On Line<br>
> Status" (ups.status OL) nor "On Battery Status" (ups.status OB) and<br>
> therefore I can't get my systems to shutdown during a power outage event.<br>
> (device and ups) Serial Number seems to be missing too in both *upsc *AND Web<br>
> Interface of Network Management Card.<br>
> It can read battery charge just fine (it can even trigger Low Battery<br>
> Status!).<br>
> When I unplug the UPS from line power it does indeed log this event on the<br>
> Web Interface.<br>
<br>
I would run tcpdump and record and examine the SNMP traffic, and turn on<br>
debugging in the driver. It is likely that the SNMP queries for status<br>
are not doing what the driver author expected. You'll have to find out<br>
if your UPS has different variables. snmpwalk may also be useful, or<br>
docs.<br>
<br>
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</blockquote></div>