With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccwbWBCmStatusExtIndex
Cisco Cable WIDEBAND Wideband Cable Modem Status Ext Index
1.3.6.1.4.1.9.9.479.1.7.1.1
The value of this object uniquely identifies an association between a WCM and a BG.
Back to CISCO-CABLE-WIDEBAND-MIB MIB page.
IPHost Network monitor allows you to monitor ccwbWBCmStatusExtIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.