Netgear FVX538v1 FVX538 Reference Manual - Page 203
VPN Telecommuter (Client-to-Gateway Through a NAT Router)
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ProSafe VPN Firewall 200 FVX538 Reference Manual VPN Gateway-to-Gateway: Dual Gateway WAN Ports for Load Balancing In the case of the dual WAN ports on the gateway VPN firewall, either of the gateway WAN ports at one end can be programmed in advance to initiate the VPN tunnel with the appropriate gateway WAN port at the other end as necessary to manage the loads of the gateway WAN ports because the IP addresses of the WAN ports are known in advance. Figure B-16 The IP addresses of the gateway WAN ports can be either fixed or dynamic. If an IP address is dynamic, a fully-qualified domain name must be used. If an IP address is fixed, a fully-qualified domain name is optional. VPN Telecommuter (Client-to-Gateway Through a NAT Router) Note: The telecommuter case presumes the home office has a dynamic IP address and NAT router. The following situations exemplify the requirements for a remote PC client connected to the Internet with a dynamic IP address through a NAT router to establish a VPN tunnel with a gateway VPN firewall at the company office: • Single gateway WAN port • Redundant dual gateway WAN ports for increased reliability (before and after rollover) • Dual gateway WAN ports used for load balancing Network Planning for Dual WAN Ports v1.0, March 2009 B-17