With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
hpVlanIdentState
hp Vlan Ident State
1.3.6.1.4.1.11.2.14.11.5.1.3.1.1.4.1.6
Current state of the VLAN. If one port in the VLAN is up, then that VLAN is up, otherwise it is down.
Back to hpprocurve-v2-hpvlan MIB page.
IPHost Network monitor allows you to monitor hpVlanIdentState 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 firewalls right now.