[ZBX-18606] Template Net HP Enterprise Switch SNMP reports wrong temperature with Aruba 2930F Created: 2020 Nov 04  Updated: 2020 Nov 06

Status: Need info
Project: ZABBIX BUGS AND ISSUES
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Incident report Priority: Trivial
Reporter: DuA Assignee: Andrei Gushchin (Inactive)
Resolution: Unresolved Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified


 Description   

Steps to reproduce:

  1. Add Aruba 2930F via SNMPv3
  2. Attach the default Template Net HP Enterprise Switch SNMP
  3. Wait for discovery
  4. get " {#SENSOR_INFO}: Temperature is too low: <5" error

Result:
Template reports a wrong temperature and cause a false alert
Expected:
correct temperature should be reported.

 Comments   
Comment by DuA [ 2020 Nov 04 ]

Forgot to mention the Zabbix Version. I'm using 5.0.2 with Docker.

Comment by Andrei Gushchin (Inactive) [ 2020 Nov 06 ]

Thank you for reporting this.
I wouldn't say this is a bug of the official template. HP has a lot of different switches.
On the template page we have a notes that it tested only for some modules.

This template was tested on:

HP ProCurve J4900B Switch 2626, version ProCurve J4900B Switch 2626, revision H.10.31, ROM H.08.02 (/sw/code/build/fish(mkfs))
HP J9728A 2920-48G Switch, version HP J9728A 2920-48G Switch, revision WB.16.03.0003, ROM WB.16.03 (/ws/swbuildm/rel_tacoma_qaoff/code/build/anm(swbuildm_rel_tacoma_qaoff_rel_tacoma)) (Formerly ProCurve)"

https://git.zabbix.com/projects/ZBX/repos/zabbix/browse/templates/net/hp_hpn_snmp

Maybe for Aruba 2930F should be an additional module created.
It would be good if you mentioned here what's wrong with OIDs or discovery.

Comment by DuA [ 2020 Nov 06 ]

Hello Andrei, 
did some further digging and found the following forumthread at Aruba Networks: https://community.arubanetworks.com/community-home/digestviewer/viewthread?MID=32057

In short: the Aruba 2930F switches don't have a temperature sensor. That's why the OID is reporting a 0 as value. I did now clone the default HP Enterprise Switch Template and disabled the temperature LLD. 

The Arubas are new for our company and therefore nobody did notice or know this. If you don't plan to create a separate template for the Aruba 2930F (and probably all F-Switches from Aruba), the incident can be closed. 

Kind regards

André

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