With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
hpSwitchStpStatAdminStatus
hp Switch Stp Status Admin Status
1.3.6.1.4.1.11.2.14.11.5.1.9.5.1
The operational status of the spanning tree protocol.
Back to hpprocurve-v2-stat MIB page.
IPHost Network monitor allows you to monitor hpSwitchStpStatAdminStatus on Hewlett Packard device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.