Contents
vii
May 2004, 202-10030-02
Policy Administration LOG 
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D-7
Appendix E 
Virtual Private Networking
What is a VPN? 
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E-1
What is IPSec and How Does It Work? 
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E-2
IPSec Security Features 
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E-2
IPSec Components 
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E-2
Encapsulating Security Payload (ESP) 
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E-3
Authentication Header (AH) 
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E-4
IKE Security Association 
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E-4
Mode 
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E-5
Key Management 
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E-6
Understand the Process Before You Begin 
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E-6
VPN Process Overview 
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E-7
Network Interfaces and Addresses 
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E-7
Interface Addressing 
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E-7
Firewalls 
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E-8
Setting Up a VPN Tunnel Between Gateways 
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E-8
VPNC IKE Security Parameters 
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E-10
VPNC IKE Phase I Parameters 
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E-10
VPNC IKE Phase II Parameters 
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E-11
Testing and Troubleshooting 
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E-11
Additional Reading 
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E-11
Appendix F 
NETGEAR VPN Configuration
FVS318 or FVM318 to FVL328
Configuration Template 
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F-1
Step-By-Step Configuration of FVS318 or FVM318 Gateway A 
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F-2
Step-By-Step Configuration of FVL328 Gateway B 
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F-5
Test the VPN Connection 
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F-10
Appendix G 
NETGEAR VPN Client
to NETGEAR FVL328 or FWAG114 VPN Router
Configuration Profile 
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G-1
Step-By-Step Configuration of FVL328 or FWAG114 Gateway 
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G-2
Step-By-Step Configuration of the FVL328 Firewall B 
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G-7