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N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700v2
LAN Setup Screen Settings
LAN TCP/IP Setup
• IP Address. The LAN IP address of the wireless modem router.
• IP Subnet Mask. The LAN subnet mask of the wireless modem router. Combined with
the IP address, the IP subnet mask allows a device to know which other addresses are
local to it, and which have to be reached through a gateway or wireless modem router.
• RIP Direction. Router Information Protocol (RIP) allows a router to exchange routing
information with other routers. This setting controls how the router sends and receives
RIP packets. Both is the default setting. With the Both or Out Only setting, the router
broadcasts its routing table periodically. With the Both or In Only setting, the router
incorporates the RIP information that it receives.
• RIP Version. This controls the format and the broadcasting method of the RIP packets
that the wireless modem router sends. It recognizes both formats when receiving. By
default, the RIP function is disabled.
- RIP-1 is universally supported. It is adequate for most networks, unless you have an
unusual network setup.
- RIP-2 carries more information. Both RIP-2B and RIP-2M send the routing data in
RIP-2 format. RIP-2B uses subnet broadcasting. RIP-2M uses multicasting.
Use Router as a DHCP Server
This check box is usually selected so that the wireless modem router functions as a Dynamic
Host Configuration Protocol (DHCP) server.
• Starting IP Address. Specify the start of the range for the pool of IP addresses in the
same subnet as the wireless modem router.
• Ending IP Address. Specify the end of the range for the pool of IP addresses in the
same subnet as the wireless modem router.
Address Reservation
When you specify a reserved IP address for a computer on the LAN, that computer receives
the same IP address each time it accesses the wireless modem router’s DHCP server.
Assign reserved IP addresses to servers that require permanent IP settings.
Use the Wireless Modem Router as a DHCP Server
By default, the wireless modem router functions as a DHCP server, allowing it to assign IP,
DNS server, and default gateway addresses to all computers connected to the wireless
modem router’s LAN. The assigned default gateway address is the LAN address of the
wireless modem router. The wireless modem router assigns IP addresses to the attached
computers from a pool of addresses specified in this screen. Each pool address is tested
before it is assigned to avoid duplicate addresses on the LAN. For most applications, the
default DHCP and TCP/IP settings of the wireless modem router are satisfactory.
