With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdxIfCmtsCmStatusPercentOnline
Cisco DOCSIS If Cmts Cable Modem Status Percent Online
1.3.6.1.4.1.9.9.116.1.3.2.1.3
The percentage of time that the modem stays 'online' over the time period from the modem's first ranging message received by CMTS until now. The value for this object is 100 times bigger than the real percentage value. For example, 32.15% will be value 3215. The modem is considered as 'online' when the value for cdxCmtsCmStatusValue is any of the values: online(5), onlineNetAccessDisabled(6), onlineKekAssigned(7), and onlineTekAssigned(8), and the modem is considered as 'offline' for other values for cdxCmtsCmStatusValue.
Back to CISCO-DOCS-EXT-MIB MIB page.
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