With IPHost Network Monitor you can run simple snmp requests against a Netscreen device in your network.
nsVpnAILUsrL2tpPriDnsIp
NETSCREEN Vpn AIL Usr L2tp Pri Dns Ip
primary DNS server IP address for L2TP user.
Back to NETSCREEN-USER-MIB MIB page.
IPHost Network monitor allows you to monitor nsVpnAILUsrL2tpPriDnsIp 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.