Netgear FVS318 FVS318 Reference Manual - Page 192
The Use of a Fully Qualified Domain Name (FQDN), G-1, Addressing and Subnet Used for Examples
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Reference Manual for the Model FVS318 Broadband ProSafe VPN Firewall 10.5.6.0/24 VPNC Example Network Interface Addressing 172.23.9.0/24 LAN IP 10.5.6.1 Gateway A WAN IP FQDN netgear.dydns.org WAN IP 22.23.24.25 Gateway B LAN IP 172.23.9.1 Figure G-1: Addressing and Subnet Used for Examples 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. 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. 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 3rd 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: G-2 NETGEAR VPN Configuration FVS318 or FVM318 with FQDN to FVL328 M-10146-01