Netgear SRX5308 SRX5308 Reference Manual - Page 338
VPN Telecommuter: Dual Gateway WAN Ports for Load Balancing
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ProSafe Gigabit Quad WAN SSL VPN Firewall SRX5308 Reference Manual 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 PC 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 dual WAN port load balancing gateway configuration, the remote PC 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 B-20 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. B-18 Network Planning for Multiple WAN Ports v1.0, April 2010
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