[Nut-upsuser] frequent COMMBAD/COMMOK notifications (every 3-6 minutes)

Lee Damon lvd at uw.edu
Mon Jul 17 18:06:40 BST 2023


FTR, the reason I did the firmware updates was so I could move to SNMPv3
monitoring. I made that change about two hours ago and haven't seen a
COMMBAD message since so perhaps this problem is solved.

Perhaps.

nomad

On Mon, Jul 17, 2023 at 8:02 AM Lee Damon <lvd at uw.edu> wrote:

> For all the details I put in this I realized I forgot to mention we are
> using SNMPv1 for this UPS.
>
> nomad
>
> On Fri, Jul 14, 2023 at 3:37 PM Lee Damon <lvd at uw.edu> wrote:
>
>> I'm running nut-2.8.0-3.el8.x86_64 on CentOS Stream 8 talking with an
>> APC Smart-UPS RT 5000 RM XL via a Network Management Card AP9619 (version
>> A10). Up to today I would receive occasional COMMBAD messages, then 5
>> minutes later I'd see a COMMOK.Maybe 1 or two a day.
>>
>> Today I updated the firmware on the AP9619 from 3.7.2 to SUMX 3.9.3 and
>> AOX 3.9.4, the most recent releases available for the card.
>>
>> Now I am seeing COMMBAD, then a minute later COMMOK, roughly every 3-6
>> minutes. I don't think it's a network problem:
>>
>> 1000 packets transmitted, 999 received, 0.1% packet loss, time 1000727ms
>> rtt min/avg/max/mdev = 2.503/3.554/78.377/2.519 ms
>>
>> So, is there something I can do to figure out what's going on or failing
>> that is there a setting I can tweak that says "If you lose comm with the
>> UPS, wait 6 minutes before complaining about it"?
>>
>> thanks,
>> nomad
>>
>
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