Chapter 12 VPN
P-792H v2 User’s Guide
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You can also enter a remote secure gateway’s domain name in the Secure
Gateway Address field if the remote secure gateway has a dynamic WAN IP
address and is using DDNS. The P-792H v2 has to rebuild the VPN tunnel each
time the remote secure gateway’s WAN IP address changes (there may be a delay
until the DDNS servers are updated with the remote gateway’s new WAN IP
address).
Dynamic Secure Gateway Address
If the remote secure gateway has a dynamic WAN IP address and does not use
DDNS, enter 0.0.0.0 as the secure gateway’s address. In this case only the
remote secure gateway can initiate SAs. This may be useful for telecommuters
initiating a VPN tunnel to the company network (see Section 12.9.12 on page 182
for configuration examples).
The Secure Gateway IP Address may be configured as 0.0.0.0 only when using
IKE key management and not Manual key management.
Finding Out More
See Section 12.9 on page 173 for advanced technical information on IPSec VPN.
12.1.3 Before You Begin
If a VPN tunnel uses Telnet, FTP, WWW, then you should configure remote
management (Remote MGMT) to allow access for that service.
12.2 VPN Setup Screen
The following figure helps explain the main fields in the web configurator.
Figure 71 IPSec Summary Fields
Local and remote IP addresses must be static.
Local Network
Local IP Address
My IP Address
Secure Gateway IP Address
Remote Network
Remote IP Address
Remote
IPSec Router
VPN Tunnel
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