With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
icfVgAddrTrainedAddrChanges
HP ICF Vg Address Trained Address Changes
1.3.6.1.4.1.11.2.14.8.1.3.3.1.1.2
This counter is incremented by one for each time that the icfVgAddrLastTrainedAddress object for this port has changed.
Back to hp-icf MIB page.
IPHost Network monitor allows you to monitor icfVgAddrTrainedAddrChanges 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 routers right now.