NETGEAR ProSafe FVS124G - Manual (Page 130)

Reference Manual for the ProSafe VPN Firewall 25 with 4 Gigabit LAN and Dual WAN Ports
7-18 Virtual Private Networking
202-10085-01, March 2005
16. Select Phase 1 Negotiation Mode = Aggressive Mode.
PFS should be disabled, and Replay Detection should be enabled.
Figure 7-20: Client Security Policy screen