With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
alHardwareCpuTempAlarm
ALTIGA Hardware Cpu Temperature Alarm
1.3.6.1.4.1.3076.2.1.2.22.1.30
The alarm status for the CPU temperature. This alarm will fired when the CPU temperature is detected out of configured range.
Back to ALTIGA-HARDWARE-STATS-MIB MIB page.
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