With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
docsIfSigQMicroreflections
DOCSIS If Sig Q Microreflections
1.3.6.1.4.1.2011.2.25.127.1.1.4.1.6
Microreflections, including in-channel response as perceived on this interface, measured in dBc below the signal level. This object is not assumed to return an absolutely accurate value, but it gives a rough indication of microreflections received on this interface. It is up to the implementer to provide information as accurately as possible.
Back to DOCS-IF-MIB MIB page.
IPHost Network monitor allows you to monitor docsIfSigQMicroreflections on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.