Netgear FVS318v1 – Prosafe Wireless N VPN Firewall Reference Manual
Reference Manual for the Model FVS318 Broadband ProSafe VPN Firewall
G-2
NETGEAR VPN Configuration FVS318 or FVM318 with FQDN to FVL328
M-10146-01
Figure G-1: Addressing and Subnet Used for Examples
The Use of a Fully Qualified Domain Name (FQDN)
Many ISPs (Internet Service Providers) provide connectivity to their customers using dynamic
instead of static IP addressing. This means that a user’s IP address does not remain constant over
time which presents a challenge for gateways attempting to establish VPN connectivity.
instead of static IP addressing. This means that a user’s IP address does not remain constant over
time which presents a challenge for gateways attempting to establish VPN connectivity.
A Dynamic DNS (DDNS) service allows a user whose public IP address is dynamically assigned
to be located by a host or domain name. It provides a central public database where information
(such as email addresses, host names and IP addresses) can be stored and retrieved. Now, a
gateway can be configured to use a 3
to be located by a host or domain name. It provides a central public database where information
(such as email addresses, host names and IP addresses) can be stored and retrieved. Now, a
gateway can be configured to use a 3
rd
party service in lieu of a permanent and unchanging IP
address to establish bi-directional VPN connectivity.
To use DDNS, you must register with a DDNS service provider. Example DDNS Service
Providers include:
Providers include:
Note: Product updates are available on the NETGEAR web site at
www.netgear.com/support/main.asp
. Documentation updates are available on the
NETGEAR, Inc. web site at
www.netgear.com/docs
.
Gateway A
22.23.24.25
FQDN
netgear.dydns.org
10.5.6.0/24
172.23.9.0/24
172.23.9.1
10.5.6.1
WAN IP
WAN IP
LAN IP
LAN IP
Gateway B
VPNC Example
Network Interface Addressing