Netgear DGFV338 사용자 설명서
Virtual Private Networking
5-1
v1.0, April 2007
Chapter 5
Virtual Private Networking
This chapter describes how to use the virtual private networking (VPN) features of the ProSafe
DGFV338. VPN tunnels provide secure, encrypted communications between your local network
and a remote network or computer.
DGFV338. VPN tunnels provide secure, encrypted communications between your local network
and a remote network or computer.
Dual WAN Port Systems
The ADSL port and the Ethernet port of the ProSafe DGFV338 can be configured for auto-rollover
mode for increased system reliability (if both ports are configured) or, if only one of the ports is
configured, they can be configured as either Dedicated ADSL or Dedicated Ethernet. This WAN
mode choice then impacts how the VPN features must be configured.
mode for increased system reliability (if both ports are configured) or, if only one of the ports is
configured, they can be configured as either Dedicated ADSL or Dedicated Ethernet. This WAN
mode choice then impacts how the VPN features must be configured.
Tip: When using dual WAN port networks, use the VPN Wizard to configure the basic
parameters and them edit the VPN and IKE Policy screens for the various VPN
scenarios.
scenarios.
Table 5-1. IP addressing requirements for VPNs in dual WAN port systems
Configuration and WAN IP address
Rollover Mode
a
a. All tunnels must be re-established after a rollover using the new WAN IP address.
Dedicated Mode
VPN Road Warrior
(client-to-gateway)
(client-to-gateway)
Fixed
FQDN required
Allowed (FQDN optional)
Dynamic
FQDN required
FQDN required
VPN Gateway-to-Gateway
Fixed
FQDN required
Allowed (FQDN optional)
Dynamic
FQDN required
FQDN required
VPN Telecommuter
(client-to-gateway through a
NAT router)
(client-to-gateway through a
NAT router)
Fixed
FQDN required
Allowed (FQDN optional)
Dynamic
FQDN required
FQDN required