Netgear FVS336G-300NAS Specifications Page 644

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Network Planning for Multiple WAN Ports
644
ProSAFE Dual WAN Gigabit WAN SSL VPN Firewall FVS336Gv3
Figure 31. Telecommuter example in a dual WAN port configuration with NAT after auto-rollover
The purpose of the FQDN is to toggle the domain name of the gateway between the IP
addresses of the active WAN port (that is, WAN1 and WAN2) so that the remote computer
client can determine the gateway IP address to establish or reestablish a VPN tunnel.
VPN Telecommuter: Dual-Gateway WAN Ports for Load Balancing
In a gateway configuration with dual WAN ports that function in load balancing mode, the
remote computer client initiates the VPN tunnel with the appropriate gateway WAN port (that
is, port WAN1 or WAN2 as necessary to balance the loads of the two gateway WAN ports)
because the IP address of the remote NAT router is not known in advance. The selected
gateway WAN port must act as the responder.
Figure 32. Telecommuter example in a dual WAN port configuration with NAT and load balancing
The IP addresses of the gateway WAN ports can be either fixed or dynamic. If an IP address
is dynamic, you must use an FQDN. If an IP address is fixed, an FQDN is optional.
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