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The configuration fields for Dynamic DNS are shown in Table 5-1: Table 5-1. Dynamic DNS configuration fields Field Description Active Use this field to activate or deactivate dynamic DNS registration. Service Provider Select a dynamic DNS service provider. Host Name Enter the static host name that will link to your dynamic IP address. Domain Name Enter the domain name. User Enter the user name of your dynamic DNS account. Password Enter the password of your dynamic DNS account. Enable Wildcard DynDNS.org allows the use of wildcards in resolving your URL. Enabling the wildcard feature for your host will cause *.yourhost.dyndns.org to be aliased to the same IP address as yourhost.dyndns.org. For example, to register yourhost.dyndns.org, enter yourhost for the Host Name and dyndns.org for the Domain Name. Password Select the Password tab to change your router’s management password. This is the password to access the router for configuration, not for Internet access. To change the password, first enter the old password, and then enter the new password twice. Click Apply. Advanced Configuration of the Router Reference Manual for the Model DG814 DSL Modem Internet Gateway LAN Setup The second feature category under the Advanced heading is LAN SETUP. This menu allows configuration of LAN IP services such as DHCP and RIP. From the Main Menu of the browser interface, under Advanced, click LAN to view the LAN SETUP menu, shown in Figure 5-1, below. Figure 5-1. LAN Setup Menu DHCP The Model DG814 gateway has the capability to act as a DHCP server, allowing it to assign IP, DNS, and default gateway addresses to attached PCs. The assigned default gateway address is the LAN address of the router. IP addresses will be assigned to the attached PCs from a pool of addresses specified in this menu. Each pool address is tested before it is assigned to avoid duplicate addresses on the LAN. See “IP Configuration by DHCP” on page B-10 for an explanation of DHCP and information about how to assign IP addresses for your network. For most applications, the default DHCP and TCP/IP settings of the router are satisfactory. These default settings are: • DHCP server enabled with 253 client addresses starting from 192.168.0.1. Advanced Configuration of the Router Reference Manual for the Model DG814 DSL Modem Internet Gateway Table 5-2 lists and describes the fields to use for setting up DHCP parameters. Table 5-2. DHCP Setup Fields Field Description DHCP Server: If this box is checked, the router acts as a DHCP server. If this box is cleared, the router’s DHCP server is disabled. Pool Starting Address Count Primary DNS Server Secondary DNS Server The beginning of the range of IP addresses to assign. The number of sequential addresses available for assignment to attached hosts. The maximum is 253. If you want the router to provide the Primary DNS Server address to attached hosts, enter the DNS address in this field. If this field is 0.0.0.0, the router assigns its own address as DNS Server, and performs a DNS Proxy if it can obtain a DNS address from the ISP. If you want the router to assign the Secondary DNS Server address to attached hosts, enter the address in this field. LAN TCP/IP Table 5-3 lists and describes the fields to use for setting up TCP/IP parameters for the LAN.. Table 5-3. LAN TCP/IP Setup Fields Field TCP/IP Setup: IP Address IP Subnet Mask Description Enter the IP address of the LAN interface of the router in dotted-decimal notation (four 8-bit numbers, between 0 and 255, separated by periods, for example, 192.168.0.1). Every device on the TCP/IP network must have a unique IP address. An IP address consists of two parts, the network ID and the host ID. The IP Subnet Mask specifies the network ID portion of the address, written in dotted-decimal notation. The router automatically calculates this mask for the class of the IP address that you assign. Unless you have a special need for subnetting, use the default subnet mask calculated by the router. All hosts on the LAN segment should use the same mask. Advanced Configuration of the Router Reference Manual for the Model DG814 DSL Modem Internet Gateway Table 5-3. LAN TCP/IP Setup Fields (continued) RIP Direction Field Description This parameter determines how the router handles RIP (Routing Information Protocol). RIP allows the router to exchange routing information with other routers. If set to None (default), the router does not participate in any RIP exchange with other routers. If set to Both, the router broadcasts the routing table of the router on the LAN and incorporates RIP broadcasts by other routers into its routing table. If set to In Only, the router broadcasts its routing table on the LAN. If set to Out Only, the router broadcasts its routing table, but it ignores any RIP broadcast packets that it receives. Usually, you should leave this parameter at the default (None). RIP Version This field determines the format and broadcasting method of any RIP (Routing In...