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ProSafe Dual WAN Gigabit Firewall with SSL & IPsec VPN FVS336G Reference Manual
5-2 Virtual Private Networking Using IPsec
v1.2, June 2008
Figure 5-1 shows the WAN Mo de setup screen for Auto-Rollover Mode using WAN port 1 as the
primary WAN port. The WAN mode configuration is described in “Configuring the WAN Mode
(Required for Dual WAN)” on page 2-11.
VPN Gateway-to-Gateway Fixed FQDN required Allowed (FQDN optional)
Dynamic FQDN required FQDN required
VPN Telecommuter
(client-to-gateway through
a NAT router)
Fixed FQDN required Allowed (FQDN optional)
Dynamic FQDN required FQDN required
a. All tunnels must be re-established after a rollover using the new WAN IP address.
Tip: When configuring VPN for a dual WAN port network, use the VPN Wizard to
configure the basic parameters and then edit the VPN and IKE Policy menus for the
specific VPN application, if necessary.
Figure 5-1
Table 5-1. IP Addressing for VPNs in Dual WAN Port Systems
Configuration and WAN IP address Rollover Mode
a
Load Balancing Mode