NETGEAR ProSafe FVS338 Reference Manual page 123

Select Phase 1 Negotiation Mode = Aggressive Mode.
16.
PFS should be disabled, and Replay Detection should be enabled.
to_FVS
Figure 8-17: Client Security Policy screen
Virtual Private Networking
Reference Manual for the ProSafe VPN Firewall 50 FVS338
January 2005
8-15