ZyXEL Communications HS100/HS100W manual Procedure to Configure Dynamic DNS

HomeSafe User’s Guide

Table 18-1 Menu 1 General Setup

FIELD	DESCRIPTION	EXAMPLE
Domain Name	Enter the domain name (if you know it) here. If you leave this field	zyxel.com.tw
	blank, the ISP may assign a domain name via DHCP. You can go to
	menu 24.8 and type "sys domain name" to see the current domain
	name used by your router.
	The domain name entered by you is given priority over the ISP
	assigned domain name. If you want to clear this field just press
	[SPACE BAR] and then [ENTER].
First System DNS	DNS (Domain Name System) is for mapping a domain name to its	From ISP
Server	corresponding IP address and vice versa. The DNS server is
Second System	extremely important because without it, you must know the IP address
	of a machine before you can access it. The HomeSafe uses a system
DNS Server
	DNS server (in the order you specify here) to resolve domain names
Third System DNS
	for VPN, DDNS and the time server.
Server	Press [SPACE BAR] and then [ENTER] to select an option. Select
	From ISP if your ISP dynamically assigns DNS server information
	(and the HomeSafe's WAN IP address). The IP Address field below
	displays the (read-only) DNS server IP address that the ISP assigns.
	Select User-Definedif you have the IP address of a DNS server.
	Enter the DNS server's IP address in the IP Address field. If you
	select User-Defined, but leave the IP address set to 0.0.0.0, User-
	Defined changes to None after you save your changes. If you set a
	second choice to User-Defined, and enter the same IP address, the
	second User-Definedchanges to None after you save your changes.
	Select None if you do not want to configure DNS servers. If you do not
	configure a system DNS server, you must use IP addresses when
	configuring VPN, DDNS and the time server.
Edit Dynamic DNS	Press [SPACE BAR] and then [ENTER] to select Yes or No (default).	No
	Select Yes to configure Menu 1.1: Configure Dynamic DNS	(default)
	discussed next.

When you have completed this menu, press [ENTER] at the prompt “Press ENTER to Confirm…” to save your configuration, or press [ESC] at any time to cancel.

18.2.1 Procedure to Configure Dynamic DNS

)If you have a private WAN IP address, then you cannot use Dynamic DNS.

Step 1. To configure Dynamic DNS, go to Menu 1 — General Setup and select Yes in the Edit Dynamic DNS field. Press [ENTER] to display Menu 1.1— Configure Dynamic DNS as shown next.

18-2 Menu 1 General Setup