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Cisco digital optical monitoring

Distribution: official part of Check_MK
License: GPL
Supported Agents: SNMP

This check monitors the transmit and receive power status and levels of Cisco Modular Access Routers.

For more information about which devices are supported restrict the search on https://mibs.cloudapps.cisco.com/ITDIT/MIBS/MainServlet to MIBs CISCO-ENVMON-MIB and CISCO-ENTITY-SENSOR-MIB.

Check status for transmit/receive power values: OK, WARN, CRIT and UNKNOWN are determined dependent on corresponding user levels configured in WATO rule CISCO Digital Optical Monitoring (DOM) or dependent on device specific level configuration. Refer to the help text of the WATO rule dropdown choices Upper power levels and Lower power levels for more information about how WARN and CRIT levels are determined.


The description of the sensor as provided by the device, or the ID of the sensor, if no description is available.


One service for each transmit and receive power level of available sensors is created. Optionally it is possible to limit the discovery to sensors which correspond to one or several specific administration status (up, down, testing) in WATO discovery rule Cisco DOM Discovery.