Not all devices have the necessary sensor hardware to report real temperature values. In such cases, all you can do is check to see if the temperature is in a valid range. This can still be managed from SNMP, though. You need to poll the chassisTempAlarm value from the CISCO-STACK-MIB. A value of 1 is good (it means there is no alarm). A value of 2 means the temperature is out of range, and a value of 3 means the temperature is critical.
Thank you clarke. Let me try monitorized that swithc using Nagios and the OID that you tell me. Something that i ask you is the Value of 2 of this OID is like a Warning value? and if you know in ÂºC what means 1,2 or 3 for example 1 <35ÂºC, 2 means since 36ÂºC until 50ÂºC and 3 means >50ÂºC
For you particular models, it looks as though only the chassis alarm on value is supported (i.e. you will not see a critical). This is determined indirectly by looking at the fan sensor, and occurs around 70 C.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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