With IPHost Network Monitor you can run simple snmp requests against a Netscreen device in your network.
nsPlyMonId
NETSCREEN Ply Monitor Id
1.3.6.1.4.1.3224.10.2.1.1
Policy Id, also used as index in this table
Back to NETSCREEN-POLICY-MIB MIB page.
IPHost Network monitor allows you to monitor nsPlyMonId 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.