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Chapter 4

Customizing Your Network Settings

This chapter describes how to configure advanced networking features of the

Wireless-N 300 Router Model WNR2000v2, including LAN, WAN, and routing settings.

It contains the following sections:

•

“Using the LAN IP Setup Options

”

•

“Using a Dynamic DNS Service” on page 4-6

•

“Configuring the WAN Setup Options” on page 4-8

•

“Configuring Static Routes” on page 4-10

•

“Wireless Repeating Function” on page 4-12

Using the LAN IP Setup Options

The LAN Setup screen allows configuration of LAN IP services such as Dynamic Host

Configuration Protocol (DHCP) and Routing Information Protocol (RIP).

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To configure LAN IP settings, select

LAN Setup

under Advanced in the main menu. The LAN

Setup screen displays.

Configuring a Device Name

The device name is a user-friendly name for the router. This name is shown in the Network on

Windows Vista and the Network Explorer on all Windows systems. The

Device Name

field

cannot be blank. The default name is WNR2000v2.

Figure 4-1

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Configuring LAN TCP/IP Setup Parameters

These are advanced settings that you might configure if you are a network administrator and your

network contains multiple routers. The router is shipped preconfigured to use private IP addresses

on the LAN side and to act as a DHCP server (see

“Using the Router as a DHCP Server” on

page 4-4

).

The router’s default LAN IP configuration is:

•

LAN IP address.

192.168.1.1

•

Subnet mask.

255.255.255.0

These addresses are part of the designated private address range for use in private networks and

should be suitable for most applications. If your network has a requirement to use a different IP

addressing scheme, you can make those changes in this screen.

The LAN IP settings are:

•

IP Address

. The LAN IP address of the router.

•

IP Subnet Mask

. The LAN subnet mask of the router. Combined with the IP address, the IP

subnet mask allows a device to know which other addresses are local to it, and which must be

reached through a gateway or router.

•

RIP Direction

. RIP allows a router to exchange routing information with other routers. The

RIP Direction selection controls how the router sends and receives RIP packets.

Both

is the

default.

–

When set to

Both

or

In Only

, the router incorporates the RIP information that it receives.

–

When set to

Both

or

Out Only

, the router broadcasts its routing table periodically.

•

RIP Version

. This controls the format and the broadcasting method of the RIP packets sent by

the router. (It recognizes both formats when receiving.) The default setting is

Disabled

.

–

RIP-1

is universally supported. RIP-1 is usually adequate unless you have an unusual

network setup.

–

RIP-2B

carries more information than RIP-1 and uses subnet broadcasting.

–

RIP-2M

carries more information than RIP-1 and uses multicasting.

Note:

If you change the LAN IP address of the router while connected through the

browser, you will be disconnected. You must then open a new connection to the

new IP address and log in again.

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Using the Router as a DHCP Server

By default, the router functions as a DHCP server, allowing it to assign IP, DNS server, and default

gateway addresses to all computers connected to the router’s LAN. The assigned default gateway

address is the LAN address of the router. The 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.

To specify a pool of IP addresses to be assigned, set the starting IP address and ending IP address.

These addresses should be part of the same IP address subnet as the router’s LAN IP address.

Using the default addressing scheme, you should define a range between

192.168.1.2

and

192.168.1.254

, although you might wish to save part of the range for devices with fixed addresses.

The router delivers the following parameters to any LAN device that requests DHCP:

•

An IP address from the range you have defined

•

Subnet mask

•

Gateway IP address (the router’s LAN IP address)

•

Primary DNS server (if you entered a primary DNS address in the Basic Settings screen;

otherwise, the router’s LAN IP address)

•

Secondary DNS server (if you entered a secondary DNS address in the Basic Settings screen)

To use another device on your network as the DHCP server, or to manually specify the network

settings of all of your computers, clear the

Use Router as DHCP Server

check box. Otherwise,

leave it selected. If this service is not selected and no other DHCP server is available on your

network, you need to set your computers’ IP addresses manually or they will not be able to access

the router.

Note:

For most applications, the default DHCP and TCP/IP settings of the router are

satisfactory. Click the link to the online document

“TCP/IP Networking Basics” in

Appendix B

for an explanation of DHCP and information about how to assign IP

addresses for your network.

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Using Address Reservation

When you specify a reserved IP address for a computer on the LAN, that computer always

receives the same IP address each time it accesses the router’s DHCP server. Reserved IP

addresses should be assigned to computers or servers that require permanent IP settings.

To reserve an IP address:

1.

Click

Add

.

2.

In the

IP Address

field, enter the IP address to assign to the computer or server. (Choose an IP

address from the router’s LAN subnet, such as

192.168.1.x

.)

3.

Enter the MAC address of the computer or server.

4.

Click

Apply

to enter the reserved address into the table.

To edit or delete a reserved address entry:

1.

Click the button next to the reserved address you want to edit or delete.

2.

Click

Edit

or

Delete

.

Figure 4-2

Tip:

If the computer is already present on your network, you can copy its MAC

address from the Attached Devices screen and paste it here.

Note:

The reserved address is not assigned until the next time the computer contacts

the router’s DHCP server. Reboot the computer or access its IP configuration

and force a DHCP release and renew.