ZyXEL Communications P-335WT - Manual (Page 217)

P-335 Series User’s Guide
Chapter 17 VPN Screens 217
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
Prestige 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).
17.4.1 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.
Note: The Secure Gateway IP Address may be configured as
0.0.0.0 only when using IKE key management and not Manual
key management.
17.5 Summary Screen
The following figure helps explain the main fields in the web configurator.
Figure 97 IPSec Summary Fields
Local and remote IP addresses must be static.
Click VPN to open the Summary screen. This is a read-only menu of your IPSec rules
(tunnels). Edit or create an IPSec rule by selecting an index number and then clicking Edit to
configure the associated submenus.