With IPHost Network Monitor you can run simple snmp requests against a Netscreen device in your network.
nsVpnPhOneIndex
NETSCREEN Vpn Ph One Index
1.3.6.1.4.1.3224.4.5.1.1.1
A unique value for phase one table. Its value ranges between 1 and 65535 and may not be contigous. the index has no other meaning but a pure index
Back to NETSCREEN-VPN-PHASEONE-MIB MIB page.
IPHost Network monitor allows you to monitor nsVpnPhOneIndex on Netscreen device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Netscreen firewalls right now.