> Source: [sk92780](https://support.checkpoint.com/results/sk/sk92780)

# sk92780 - Incorrect values are returned over SNMP when monitoring Hardware Sensors on IP Appliance IP1280 / IP1285, IP2450 / IP2455, IP690 / IP695 after upgrading from IPSO OS to Gaia OS

| Property | Value |
|----------|-------|
| Solution ID | sk92780 |
| Date Created | 2013-05-01 |
| Last Modified | 2017-11-07 |
| Technical Level | Advanced |
| OS | Gaia |
| Platform | 6 |

## Symptoms

- * Incorrect values are returned over SNMP when monitoring Hardware Sensors on IP Appliance IP1280 / IP1285, IP2450 / IP2455, IP690 / IP695 after upgrading from IPSO OS to Gaia OS.

  <br />

* "`VTT Voltage`" value is 1.09 Volt and is reported as "`Low`":

  * In the Gaia Portal - Maintenance - Hardware Health
  * In the output of the "`show sysenv all`" Clish command
* *Example of the issue*:

  [![](https://sc1.checkpoint.com/sc/SolutionsStatics/sk92780/sk92780_Gaia_Portal_Hardware_Health.png)](https://sc1.checkpoint.com/sc/SolutionsStatics/sk92780/sk92780_Gaia_Portal_Hardware_Health.png "Click the image to see it in full size in a new tab/window")

  [![](https://sc1.checkpoint.com/sc/SolutionsStatics/sk92780/sk92780_Clish.png)](https://sc1.checkpoint.com/sc/SolutionsStatics/sk92780/sk92780_Clish.png "Click the image to see it in full size in a new tab/window")

## Cause

1. Gaia OS is missing support for relevant sensors on IP appliances.
2. The VTT minimal value on IP1280 / IP1285 and IP2450 / IP2455 appliances has to be changed to 1.045V

## Solution

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