With IPHost Network Monitor you can run simple snmp requests against a NETGEAR device in your network.
agentSwitchIGMPSnoopingIntfMRPExpirationTime
agent Switch IGMP Snooping Intf MRP Expiration Time
1.3.6.1.4.1.4526.10.1.2.8.7.1.1.5
The amount of time in seconds that a switch will wait for a query to be received on the selected interface before the interface is removed from the list of interfaces with multicast routers attached.
Back to NETGEAR-SWITCHING-MIB MIB page.
IPHost Network monitor allows you to monitor agentSwitchIGMPSnoopingIntfMRPExpirationTime 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.