With IPHost Network Monitor you can run simple snmp requests against a Netscreen device in your network.
nsVpnCertDefX509
NETSCREEN Vpn Cert Def X509
1.3.6.1.4.1.3224.4.7.1.1.5
X509 Certificate Path Validation Level.
Back to NETSCREEN-CERTIFICATE-MIB MIB page.
IPHost Network monitor allows you to monitor nsVpnCertDefX509 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.