With IPHost Network Monitor you can run simple snmp requests against a Netscreen device in your network.
nsVpnMonOutSpi
NETSCREEN Vpn Mon Out Spi
The SPI for outgoing packets
Back to NETSCREEN-VPN-MON-MIB MIB page.
IPHost Network monitor allows you to monitor nsVpnMonOutSpi 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.