With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
hpSecPtAddressLimit
hp Sec Port Address Limit
1.3.6.1.4.1.11.2.14.2.10.3.1.3
This object identifies the maximum number of MAC addresses learned on this port when the hpSecPtLearnMode is set to learnFirstN or learnFirstNConditionally. Changing the limit while in these modes clears any addresses for this port in the hpSecureAuthAddrTable. This limit does not apply when the learn mode is set to configureSpecific.
Back to hpprocurve-hpgnrptr MIB page.
IPHost Network monitor allows you to monitor hpSecPtAddressLimit 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.