With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
hubPrimaryPort
hub Primary Port
1.3.6.1.4.1.11.2.14.2.8.3
The port number of the primary link. It can only be set to zero if the hubBackupPort is also zero.
Back to hp-icf MIB page.
IPHost Network monitor allows you to monitor hubPrimaryPort 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 multiplexers right now.