With IPHost Network Monitor you can run simple snmp requests against a NETGEAR device in your network.
agentDiffServClassRuleIndex
agent Diff Server Class Rule Index
1.3.6.1.4.1.4526.10.3.7.2.3.1.1
The identifier for DiffServ Class Rule Table entry within a class
Back to NETGEAR-QOS-DIFFSERV-PRIVATE-MIB MIB page.
IPHost Network monitor allows you to monitor agentDiffServClassRuleIndex on NETGEAR device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring NETGEAR cable modems right now.