ProSafe 802.11g Wireless VPN Firewall FVG318 Reference Manual
VPN Configuration of NETGEAR FVG318 C-13
v1.0, September 2007
The FVG318-to-VPN Client Case

Client-to-Gateway VPN Tunnel Overview

The operational differences between gateway-to-gateway and client-to-gateway VPN tunnels are

summarized as follows:

Table C-4. Policy Summary
VPN Consortium Scenario: Scenario 1
Type of VPN PC/Client-to-Gateway
Security Scheme: IKE with Preshared Secret/Key
Date Tested: November 2004
IP Addressing:
NETGEAR-Gateway A Static IP address
NETGEAR-Client B Dynamic IP address
Table C-5. Differences between VPN tunnel types
Operation Gateway-to-Gateway VPN Tunnels Client-to-Gateway VPN Tunnels
Exchange Mode Main Mode—The IP addres ses of both
gateways are known (especially when
FQDN is used), so each gateway can
use the Internet source of the traffic for
validation purposes.
Aggressive Mode—The IP address of
the client is not known in advance, so the
gateway is programmed to accept valid
traffic sourced from any Internet location
(i.e., less secure).
Direction/Type Both Directions—Either end of the VPN
tunnel may initiate traffic (usually). Remo te Access—The client end of the
VPN tunnel must initiate traffic because
its IP address is not know in advance,
which prevents the gateway end of the
VPN tunnel from initiating traffic.