With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccwbWBtoRFMappingTable
Cisco Cable WIDEBAND W Bto RF Mapping Table
1.3.6.1.4.1.9.9.479.1.3
A wideband channel is a logical grouping of one or more physical RF channels over which Wideband MPEG-TS packets are carried. This table contains association information of the wideband channels to the RF channels that are available for the WCMTS.
Back to CISCO-CABLE-WIDEBAND-MIB MIB page.
IPHost Network monitor allows you to monitor ccwbWBtoRFMappingTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.