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Network Planning for Dual WAN Ports (Multiple WAN Port Models Only)
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ProSecure Unified Threat Management (UTM) Appliance
VPN Telecommuter: Dual-Gateway WAN Ports for Load Balancing
In a dual WAN port load balancing gateway configuration, the remote VPN 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 needs to
function as the responder.
Figure 377.
The IP addresses of the gateway WAN ports can be either fixed or dynamic. If an IP address
is dynamic, you need to use an FQDN. If an IP address is fixed, an FQDN is optional.