With IPHost Network Monitor you can run simple snmp requests against a Netscreen device in your network.
nsSchOnceEntry
NETSCREEN Sch Once Entry
1.3.6.1.4.1.3224.14.1.1
Each entry in the nsSchOnceTable holds a set of configuration parameters associated with an instance of one-time schedule.
Back to NETSCREEN-SCHEDULE-MIB MIB page.
IPHost Network monitor allows you to monitor nsSchOnceEntry 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.