Virtual Private Networks (Vpns - NETGEAR UTM5EW-100NAS Appliance Reference Manual

Figure B-6

Virtual Private Networks (VPNs)

When implementing virtual private network (VPN) tunnels, a mechanism must be used for
determining the IP addresses of the tunnel end points. The addressing of the firewall's dual WAN
port depends on the configuration being implemented:
Table B-2. IP addressing requirements for VPNs in dual WAN port systems
Configuration and WAN IP address
"VPN Road Warrior (Client-
to-Gateway)"
"VPN Gateway-to-Gateway" Fixed
"VPN Telecommuter (Client-
to-Gateway Through a NAT
Router)"
a. All tunnels must be re-established after a rollover using the new WAN IP address.
Network Planning for Dual WAN Ports (Dual-WAN Port Models Only)
ProSecure Unified Threat Management (UTM) Appliance Reference Manual
Single WAN Port
Configurations
(Reference Cases)
Fixed Allowed
(FQDN optional)
Dynamic FQDN required
Allowed
(FQDN optional)
Dynamic FQDN required
Fixed Allowed
(FQDN optional)
Dynamic FQDN required
v1.0, January 2010
Dual WAN Port Configurations
Rollover Mode a Load Balancing Mode
FQDN required Allowed
(FQDN optional)
FQDN required FQDN required
FQDN required Allowed
(FQDN optional)
FQDN required FQDN required
FQDN required Allowed
(FQDN optional)
FQDN required FQDN required
B-9