With IPHost Network Monitor you can run simple snmp requests against a Netscreen device in your network.
nsVpnMonAvail
NETSCREEN Vpn Mon Avail
percentage over 30 samples
Back to NETSCREEN-VPN-MON-MIB MIB page.
IPHost Network monitor allows you to monitor nsVpnMonAvail 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.