Quick Reference Guide

Reference Manual for the Model FVM318 Cable/DSL ProSafe Wireless VPN Security Firewall
B-24 Network, Routing, Firewall, and Wireless Basics
In some cases, the client PC may connect to the Internet through a local non-VPN-enabled router,
as shown below:
Figure 8-8: Client to LAN access through simple router to VPN router
If the non-VPN router is performing NAT, it must support “VPN-passthrough” of IPSec-encoded
data.
Linking Two Networks Together
A VPN between two NETGEAR VPN-enabled routers is a good way to connect branch offices
and business partners over the Internet, offering an affordable, high-performance alternative to
leased site-to-site lines. The VPN also provides access to remote network resources when NAT is
enabled and remote computers have been assigned private IP addresses.
Figure 8-9: LAN to LAN access through VPN router to VPN router
Additional Reading
• Building and Managing Virtual Private Networks, Dave Kosiur, Wiley & Sons; ISBN:
0471295264
• Firewalls and Internet Security: Repelling the Wily Hacker, William R. Cheswick and Steven
M. Bellovin, Addison-Wesley; ISBN: 0201633574
• VPNs A Beginners Guide, John Mains, McGraw Hill; ISBN: 0072191813
• [FF98] Floyd, S., and Fall, K., Promoting the Use of End-to-End Congestion Control in the
Internet. IEEE/ACM Transactions on Networking, August 1999.
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