With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
stpRootPort
stp Root Port
1.3.6.1.4.1.11.2.14.3.6.7
The port id that this bridge believes to be the root bridge's root port for the bridged Lan. see: IEEE 802.1(d) 6.8.1.1.3(7), 4.5.3.3
Back to hp-icf MIB page.
IPHost Network monitor allows you to monitor stpRootPort 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 switches right now.