[Nut-upsuser] Tripp-Lite USB "REMOTE SHUTDOWN"

Fri Aug 20 05:27:02 BST 2021

When connecting to the TrippLite unit with SNMP, via:

# cat /etc/nut/ups.conf
....
maxretry = 3
[scotty]
        driver = snmp-ups
        port = poweralert-061036722874.baymaterials.local
        snmp_version = v2c
        mibs = ietf
        community = tripplite

# /lib/nut/snmp-ups -a scotty
Network UPS Tools - Generic SNMP UPS driver 0.97 (2.7.4)
Duplicate driver instance detected! Terminating other driver!
Detected SU2200RTXLCD2U on host poweralert-061036722874.baymaterials.local (mib: ietf 1.5)
[scotty] unhandled ASN 0x80 received from 1.3.6.1.2.1.33.1.2.6.0
[scotty] unhandled ASN 0x80 received from 1.3.6.1.2.1.33.1.2.7.0
[scotty] unhandled ASN 0x81 received from 1.3.6.1.2.1.33.1.3.3.1.4.1
[scotty] unhandled ASN 0x81 received from 1.3.6.1.2.1.33.1.3.3.1.5.1
[scotty] unhandled ASN 0x81 received from 1.3.6.1.2.1.33.1.5.3.1.3.1
[scotty] unhandled ASN 0x81 received from 1.3.6.1.2.1.33.1.5.3.1.4.1
[scotty] unhandled ASN 0x80 received from 1.3.6.1.2.1.33.1.6.3.8
[scotty] unhandled ASN 0x80 received from 1.3.6.1.2.1.33.1.7.1.0
[scotty] unhandled ASN 0x80 received from 1.3.6.1.2.1.33.1.9.6.0
[scotty] unhandled ASN 0x80 received from 1.3.6.1.2.1.33.1.9.9.0
[scotty] unhandled ASN 0x80 received from 1.3.6.1.2.1.33.1.9.10.0

The pile of unhandled ASNs is what had me worried about relying on the SNMP connection in the first place...

[cid:fd983749-0511-4ca1-b3a2-4e74487cabcc]
IT & Office Manager
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From: David Zomaya <David_Zomaya at tripplite.com>
Sent: Wednesday, August 18, 2021 19:57
To: Aaron Stewart <aaron.stewart at baymaterials.com>; nut-upsuser at alioth-lists.debian.net <nut-upsuser at alioth-lists.debian.net>
Subject: Re: Tripp-Lite USB "REMOTE SHUTDOWN"

Warning: This email originated from outside of Straumann’s trusted e-mail environment. Do not click any links or open attachments unless you recognize the sender and have confidence the content is safe.

> The issue showed up with shipping firmware but persists after I loaded 20.0.1.118.

Ah, you're referring to the WEBCARDLX firmware (i.e. the management card installed in the UPS). There's also a UPS firmware that isn't generally updated in the field I thought you were referring to (that displays on the LCD and is reported via the WEBCARDLX too, probably ends in 16 on that unit).
That firmware should have no impact on this issue, but thank you for clarifying!

> Hardware S/N is 3104JLCPS795200451.

We should get a support ticket open for you like we did with another user. Can you shoot me a direct email (off-list) with your contact information (shipping address and contact number)? I do plan to give the mailing list an update when/if I get to root cause, but I don't have that yet. In the interim, I'd like to see what we can do for you (or anyone else that runs into this... strangely it does not occur on most/all units).

> Is there any hope for using it over SNMP with NUT instead?

It should work. The WEBCARDLX supports the RFC1628 "UPS MIB" and that is what the ITEF driver uses. Generally, our support for  the RFC1628  MIB works in all recent versions.
I can set up some tests later this week or early next week to demonstrate, but feel free to shoot over the specifics of the errors you see and your config if you'd like.

Thank you,
David Zomaya
Tripp Lite
david_zomaya at tripplite.com

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