With IPHost Network Monitor you can run simple snmp requests against a Netscreen device in your network.
nsVpnMonKeyType
NETSCREEN Vpn Mon Key Type
a value which identifies a key exchange protocol to be used for the negotiation
Back to NETSCREEN-VPN-MON-MIB MIB page.
IPHost Network monitor allows you to monitor nsVpnMonKeyType 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.