[Nut-upsdev] Issue with On Line Status (APC MGE Galaxy 5500 + AP9635CH)

Jim Klimov jimklimov+nut at gmail.com
Tue Feb 28 12:29:08 GMT 2023

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)...

Many distros still ship 2.7.4...


On Tue, Feb 28, 2023, 00:57 Greg Troxel <gdt at lexort.com> wrote:

> mateuszx via Nut-upsdev <nut-upsdev at alioth-lists.debian.net> writes:
> > At my workplace I have exact UPS config as stated in the subject (APC MGE
> > Galaxy 5500 + AP9635CH).
> > I have it set up to work with snmp-ups NUT driver.
> > Despite many readings from *upsc* command I am not receiving "On Line
> > Status" (ups.status OL) nor "On Battery Status" (ups.status OB) and
> > therefore I can't get my systems to shutdown during a power outage event.
> > (device and ups) Serial Number seems to be missing too in both *upsc
> *AND Web
> > Interface of Network Management Card.
> > It can read battery charge just fine (it can even trigger Low Battery
> > Status!).
> > When I unplug the UPS from line power it does indeed log this event on
> the
> > Web Interface.
> I would run tcpdump and record and examine the SNMP traffic, and turn on
> debugging in the driver.  It is likely that the SNMP queries for status
> are not doing what the driver author expected.  You'll have to find out
> if your UPS has different variables.  snmpwalk may also be useful, or
> docs.
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