With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
ipxDestNextHopNICAddress
ipx Destination Next Hop NIC Address
1.3.6.1.4.1.23.2.5.3.1.1.7
The NIC address of the next hop.
Back to hpprocurve-v2-ipx MIB page.
IPHost Network monitor allows you to monitor ipxDestNextHopNICAddress 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.