With IPHost Network Monitor you can run simple snmp requests against a NETGEAR device in your network.
agentPortSTPState
agent Port STP State
1.3.6.1.4.1.4526.10.1.2.12.1.5
The switch's Port Spanning Tree Protocol State. This object is only supported when the Dot1d Protocol is enabled.
Back to NETGEAR-SWITCHING-MIB MIB page.
IPHost Network monitor allows you to monitor agentPortSTPState on NETGEAR device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring NETGEAR network storage devices right now.