Netgear UTM50-100NAS User Manual
ProSecure Unified Threat Management (UTM) Appliance Reference Manual
7-2
Virtual Private Networking Using IPsec Connections
v1.0, January 2010
for more information about the IP addressing
requirements for VPNs in the dual WAN modes. For information about how to select and
configure a dynamic DNS service for resolving FQDNs, see
configure a dynamic DNS service for resolving FQDNs, see
. For information about WAN mode configuration, see
.
The diagrams and table below show how the WAN mode selection relates to VPN configuration.
summarizes the WAN addressing requirements (FQDN or IP address) for a VPN tunnel
in either dual WAN mode.
Figure 7-1
Figure 7-2
Table 7-1. IP Addressing for VPNs in Dual WAN Port Systems
Configuration and WAN IP address
Rollover Mode
a
Load Balancing Mode
VPN “Road Warrior”
(client-to-gateway)
(client-to-gateway)
Fixed
FQDN required
FQDN Allowed (optional)
Dynamic
FQDN required
FQDN required
Rest of
UTM
Functions
UTM
WAN Port
Functions
UTM
Rollover
Control
Dual-WAN Port Model
WAN 1 Port
WAN 2 Port
Internet
Same FQDN required for both WAN ports
WAN Auto-Rollover: FQDN Required for VPN
Rest of
UTM
Functions
UTM
WAN Port
Functions
Load
Balancing
Control
Dual-WAN Port Model
WAN 1 Port
WAN 2 Port
Internet
FQDN required for dynamic IP addresses
WAN Load Balancing: FQDN Optional for VPN
FQDN optional for static IP addresses