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temperature switch 9200 warning yellow and red

abtt-39
Level 1
Level 1

Good morning,

I have 9200 switches that are monitored with centreon, and this one gives me temperature alerts


WARNING: Sensor 'Switch 1 - C9200-48P - Temp Hotspot Sensor 2/1012' is 41 C

If I connect to the switch:
#sh env all

Switch FAN Speed State
---------------------------------------------------
1 1 6420 OK
1 2 6240 OK
Switch 1: SYSTEM TEMPERATURE is OK
Inlet Temperature Value: 36 Degree Celsius
Temperature State: GREEN
Yellow Threshold : 46 Degree Celsius
Red Threshold : 56 Degree Celsius

Outlet Temperature Value: 34 Degree Celsius
Temperature State: GREEN
Yellow Threshold : 105 Degree Celsius
Red Threshold : 125 Degree Celsius

Hotspot Temperature Value: 44 Degree Celsius
Temperature State: GREEN
Yellow Threshold : 105 Degree Celsius
Red Threshold : 125 Degree Celsius

the temperature seems OK, on ​​the other hand, I am surprised by the limits
Yellow Threshold: 105 Degree Celsius
Red Threshold: 125 Degree Celsius

It is indicated degree celsius, but it seems very high to me?

What are the normal metrics for a switch of this model?

I specify that I have not modified anything, these are the basic values

It's a new switch

Model : C9200-48P

IOSXE : 17.03.04b

I also specify that I have another switch of the same model, with the same version, installed elsewhere and it gives me the same alert

 

 

5 Replies 5

DanielP211
VIP Alumni
VIP Alumni

Hello,

 

This are normal temperatures that you are seeing. According to the datasheet the following are the operational temperatures.

Operating temperature

1

23 to 113°F (–5 to 45°C)

 

Green indicates the temperature is normal or the device is not heating up and has good airflow

BR

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M02@rt37
VIP
VIP

Hello @abtt-39,

here the temp. spec. for C9200

M02rt37_0-1692188757039.png

https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9200/hardware/install/b-c9200-hig/b-c9200l-hig_appendix_0100.html

 

the temperature seems OK, on ​​the other hand, I am surprised by the limits
Yellow Threshold: 105 Degree Celsius
Red Threshold: 125 Degree Celsius

The temperature thresholds you provided are indeed higher than what one might expect for normal operating conditions.

The thresholds you mentioned (105°C and 125°C) appear to be set much higher than these typical operating ranges. It's possible that these thresholds are set to accommodate extreme conditions or to allow the switch to operate briefly at higher temperatures without triggering alarms. However, such high thresholds could potentially mask actual overheating issues.

Ensure that your switch's firmware are up to date. Sometimes, updates can address false alerts or sensor inaccuracies.

 

 

 

 

Best regards
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abtt-39
Level 1
Level 1

Thanks.

Maybe there is a confusion between degrees Fahrenheit and Celsius? I'm in France, so we use celcius degrees

125 Degree fahrenheit = 51.6 Degree celcius
105 Degree fahrenheit = 40.55 Degree celcius

the result of the command specifies Degre celcius for the yellow and red limits and warning, but can be a cisco error?

 

Re,

Je ne pense pas qu'il y ait confusion entre Fahrenheit et Celsius, ou que cela soit une erreur. Dans la doc que je t'ai jointe on voit bien les °C et °F.

 

Best regards
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abtt-39
Level 1
Level 1

 

Bonjour,

I will write in English, for the other participants. So why are the base values ​​at 105 and 125 degrees Celsius? In the doc that you show, it is indicated, between -5 degrees celcius and 40-45 degrees celcius? Why are the alert limits so high 105 and 125 Degre celcius?