ZyXEL Communications ADSL2+ 4-port Security Gateway Support Notes page 95

Most of the cases, static IP addresses are used for VPN tunneling endpoints.
But for SOHO users, generally, it is a dynamic case. In this case, this IP will
not be available to be predefined in the VPN box. There are some tips when
configure Prestige in any dynamic case.
• Prestige static WAN IP v.s. peer side dynamic IP
We need to note:
(1) In VPN settings of Prestige, please specify the IP address of Secure
Gateway as 0.0.0.0
(2) The VPN connection can ONLY be initiated from dynamic side to static side
in order to update its dynamic IP to the static side.
(3) In peer side, are you using Win2K built-in IPSec?
capture the dynamic IP address automatically for you. You have to obtain your
dynamic IP address and then go back to IPSec configuration to setup your
current IP address.
• Prestige dynamic WAN IP v.s. peer side static IP
We need to note:
(1) In VPN settings of Prestige, please specify the IP address of My IP as
0.0.0.0. Prestige will automatically bind it's current WAN IP address to IPSec.
(2) IPSec tunnel in this case, can ONLY be initiated from Prestige.
(3) In peer side, are you using SonicWALL, NetScreen?
you to enter an ID (in FQDN format) to identify Prestige.
• Prestige dynamic WAN IP v.s. peer side dynamic IP
In this case, we need to use DDNS (Dynamic Domain Name Service). There
are many different solutions for it:
(1) Prestige v.s. Prestige
Solution 1:
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P-662H-D Series Support Notes
In this case, W2K won't
SonicWALL requires
94