With IPHost Network Monitor you can run simple snmp requests against a Netscreen device in your network.
nsVpnPhOneTable
NETSCREEN Vpn Ph One Table
1.3.6.1.4.1.3224.4.5.1
To establish an IKE IPSec tunnel, two phases of negotiation are required. This table specifies the configuration attributes for Phase One negotiation. In Phase 1, the participants establish a secure channel in which to negotiate the IPSec SAs.
Back to NETSCREEN-VPN-PHASEONE-MIB MIB page.
IPHost Network monitor allows you to monitor nsVpnPhOneTable on Netscreen device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Netscreen VPN routers right now.