Linksys WRT54G2 Router Manual PDF (Setup & Configuration Guide)

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Chapter 3

Advanced Configuration

Wireless-G Broadband Router

MTU

MTU is the Maximum Transmission Unit. It specifies

the largest packet size permitted for Internet transmission.

Select Manual if you want to manually enter the largest

packet size that is transmitted. To have the Router select

the best MTU for your Internet connection, keep the

default setting,

Auto

Size

When Manual is selected in the

MTU

field, this option

is enabled. Leave this value in the 1200 to 1500 range. The

default size depends on the Internet Connection Type:

DHCP, Static IP, or Telstra:

•

1500

PPPoE:

•

1492

PPTP or L2TP:

•

1460

Network Setup

The Network Setup section changes the settings on the

network connected to the Router’s Ethernet ports. Wireless

Setup is performed through the Wireless tab.

Router IP

This presents both the Router’s IP Address and Subnet

Mask as seen by your network.

Router IP Address

Network Address Server Settings (DHCP)

The settings allow you to configure the Router’s Dynamic

Host Configuration Protocol (DHCP) server function. The

Router can be used as a DHCP server for your network. A

DHCP server automatically assigns an IP address to each

computer on your network. If you choose to enable the

Router’s DHCP server option, make sure there is no other

DHCP server on your network.

Network Address Server Settings (DHCP)

DHCP Server

DHCP is enabled by factory default. If you

already have a DHCP server on your network, or you don’t

want a DHCP server, then select

Disable

(no other DHCP

features will be available).

Starting IP Address

Enter a value for the DHCP server to

start with when is

suing IP addresses. Because the Router’s

default IP address is 192.168.1.1, the Starting IP Address must

be 192.168.1.2 or greater, but smaller than 192.168.1.253.

The default Starting IP Address is

192.168.1.100

Maximum Number of DHCP Users

Enter the maximum

number of PCs that you want the DHCP server to assign

IP addresses to. This number cannot be greater than 253.

The default is

Client Lease Time

The Client Lease Time is the amount

of time a network user will be allowed connection to the

Router with their current dynamic IP address. Enter the

amount of time, in minutes, that the user will be “leased”

this dynamic IP address. After the time is up, the user will

be automatically assigned a new dynamic IP address. The

default is

minutes, which means one day.

Static DNS (1-3)

The Domain Name System (DNS) is how

the Internet translates domain or website names into

Internet addresses or URLs. Your ISP will provide you with at

least one DNS Server IP Address. If you wish to use another,

enter that IP Address in one of these fields. You can enter up

to three DNS Server IP Addresses here. The Router will use

these for quicker access to functioning DNS servers

WINS

The Windows Internet Naming Service (WINS)

manages each PC’s interaction with the Internet. If you

use a WINS server, enter that server’s IP Address here.

Otherwise, leave this blank.

Time Setting

Select the time zone in which your network functions

from this drop-down menu. (You can even automatically

adjust for daylight saving time.)

Time Setting

Click

Save Settings

to apply your changes, or click

Cancel

Changes

to cancel your changes.

Setup > DDNS

The Router offers a Dynamic Domain Name System (DDNS)

feature. DDNS lets you assign a fixed host and domain

name to a dynamic Internet IP address. It is useful when

you are hosting your own website, FTP server, or other

server behind the Router.

Before you can use this feature, you need to sign

up for DDNS service with a DDNS service provider,

www.dyndns.org or www.TZO.com. If you do not want to

use this feature, keep the default setting,

Disable

DDNS

The Router offers a Dynamic Domain Name System (DDNS)

feature. DDNS lets you assign a fixed host and domain

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Chapter 3

Advanced Configuration

Wireless-G Broadband Router

name to a dynamic Internet IP address. It is useful when

you are hosting your own website, FTP server, or other

server behind the Router.

Before you can use this feature, you need to sign up for

DDNS service at one of two DDNS service providers,

DynDNS.org or TZO.com. If you do not want to use this

feature, keep the default setting,

Disable

DDNS Service

If your DDNS service is provided by DynDNS.org, then

select

DynDNS.org

from the drop-down menu. If your

DDNS service is provided by TZO, then select

TZO.com

The features available on the

DDNS

screen will vary,

depending on which DDNS service provider you use.

DynDNS.org

Setup > DDNS > DynDNS

User Name

Enter the User Name for your DDNS account.

Password

Enter the Password for your DDNS account.

Host Name

The is the DDNS URL assigned by the DDNS

service.

Internet IP Address

The Router’s Internet IP address is

displayed here. Because it is dynamic, it will change.

Status

The status of the DDNS service connection is

displayed here.

Click

Save Settings

to apply your changes, or click

Cancel

Changes

to cancel your changes.

TZO.com

Setup

> DDNS > TZO

E-mail Address, TZO Key, and Domain Name

Enter the

settings of the account you set up with TZO.

Internet IP Address

The Router’s Internet IP address is

displayed here. Because it is dynamic, it will change.

Status

The status of the DDNS service connection is

displayed here.

Click

Save Settings

to apply your changes, or click

Cancel

Changes

to cancel your changes.

Setup > MAC Address Clone

A MAC address is a 12-digit code assigned to a unique

piece of hardware for identification. Some ISPs will require

you to register a MAC address in order to access the

Internet. If you do not wish to re-register the MAC address

with your ISP, you may assign the MAC address you have

currently registered with your ISP to the Router with the

MAC Address Clone feature.

Setup > MAC Address Clone

MAC Address Clone

Enable/Disable

To have the MAC Address cloned, select

Enable

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Chapter 3

Advanced Configuration

Wireless-G Broadband Router

User Defined Entry

Enter the MAC Address registered

with your ISP here.

Clone Your PC’s MAC

Clicking this button will clone the

MAC address of the computer you are using.

Click

Save Settings

to apply your changes, or click

Cancel

Changes

to cancel your changes.

Setup > Advanced Routing

This screen is used to set up the Router’s advanced routing

functions. NAT routes the host Router‘s network connection

to the Internet. Dynamic Routing automatically adjusts

how packets travel on your network. Static Routing sets

up a fixed route to another network destination.

Setup > Advanced Routing (Gateway)

Setup > Advanced Routing (Router )

Advanced Routing

Operating Mode

Select the mode in which this Router

will function. If this Router is hosting your network’s

connection to the Internet, select

Gateway

. If another

Router exists on your network, select

Router

. When

Router is chosen,

Dynamic Routing

will be available as

an option.

Dynamic Routing

RIP

This feature enables the Router to automatically

adjust to physical changes in the network’s layout and

exchange routing tables with the other router(s). The

Router determines the network packets’ route based on

the fewest number of hops between the source and the

destination. This feature is Disabled by default. From the

drop-down menu, you can also select

LAN & Wireless,

which performs dynamic routing over your Ethernet and

wireless networks. You can also select

WAN (Internet)

which performs dynamic routing with data coming from

the Internet. Finally, selecting

Both

enables dynamic

routing for both networks, as well as data from the

Internet.

Select set number

To set up a static route between the

Router and another network, select a number from the

Static Routing drop-down list. (A static route is a pre-

determined pathway that network information must travel

to reach a specific host or network.) Enter the information

described below to set up a new static route. (Click the

Delete This Entry button to delete a static route.)

Enter Route Name

Enter a name for the Route here,

using a maximum of 25 alphanumeric characters.

Destination LAN IP

The Destination LAN IP is the address

of the remote network or host to which you want to assign

a static route.

Subnet

Mask

The

Subnet

Mask

determines

which

portion of a Destination LAN IP address is the network

portion, and which portion is the host portion.

Default Gateway

This is the IP address of the gateway

device that allows for contact between the Router and the

remote network or host.

Interface

This interface tells you whether the Destination

IP Address is on the

LAN & Wireless

(Ethernet and wireless

networks) or the

WAN

(Internet)

Delete This Entry

To delete a route, select its number

from the drop-down menu, and click this button.

Show Routing Table

Click

Show Routing Table

to open

a screen displaying how data is routed through your local

network. For each route, the Destination LAN IP address,

Subnet Mask, Gateway, and Interface are displayed. Click

Refresh

to update the information. Click

to exit this

screen.

Routing Table

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Chapter 3

Advanced Configuration

Wireless-G Broadband Router

Click

Save Settings

to apply your changes, or click

Cancel

Changes

to cancel your changes.

Wireless > Basic Wireless Settings

The basic settings for wireless networking are set on this

screen.

There are two ways to configure the Router’s wireless

network(s), manual and Wi-Fi Protected Setup.

Wi-Fi Protected Setup is a feature that makes it easy to set

up your wireless network. If you have client devices, such

as wireless adapters, that support Wi-Fi Protected Setup,

then you can use Wi-Fi Protected Setup.

Wireless Configuration

To manually configure your

wireless network, select

Manual

. Proceed to the “Basic

Wireless Settings” section. To use Wi-Fi Protected Setup,

select

Wi-Fi Protected Setup

. Proceed to the “Wi-Fi

Protected Setup” section.

Basic Wireless Settings

Wireless > Basic Wireless Settings (Manual Setup)

Wireless Network Mode

From this drop-down menu,

you can select the wireless standards running on your

network. If you have Wireless-G and Wireless-B devices

in your network, keep the default setting,

Mixed

. If you

have only Wireless-G devices, select

Wireless-G Only

. If

you have only Wireless-B devices, select

Wireless-B Only

If you do not have any wireless devices in your network,

select

Disabled

Wireless Network Name (SSID)

The SSID is the network

name shared among all points in a wireless network.

The SSID must be identical for all devices in the wireless

network. It is case-sensitive and must not exceed

32 characters (use any of the characters on the keyboard).

Make sure this setting is the same for all points in your

wireless network. For added security, you should change

the default SSID (

linksys

) to a unique name.

Wireless Channel

Select the channel from the list

provided to correspond with your network settings. All

devices in your wireless network must be broadcast on

the same channel in order to function correctly.

Wireless SSID Broadcast

When wireless clients survey

the local area for wireless networks to associate with, they

will detect the SSID broadcast by the Router. To broadcast

the Router’s SSID, keep the default setting,

Enabled

. If you

do not want to broadcast the Router’s SSID, then select

Disabled

Click

Save Settings

to apply your changes, or click

Cancel

Changes

to cancel your changes.

Wi-Fi Protected Setup

There are three methods available. Use the method that

applies to the client device you are configuring.

Wireless > Basic Wireless Settings (Wi-Fi Protected Setup)

Wi-Fi Protected Setup > Congratulations

NOTE:

Wi-Fi Protected Setup configures one

client device at a time. Repeat the instructions

for each client device that supports Wi-Fi

Protected Setup.

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Chapter 3

Advanced Configuration

Wireless-G Broadband Router

Method #1

Use this method if your client device has a Wi-Fi Protected

Setup button.

Click or press the

Wi-Fi Protected Setup

button on

the client device.

Click

the

Wi-Fi Protected Setup

button on this

screen.

After

the

client

device

has

been

configured,

click

. Then refer back to your client device or its

documentation for further instructions.

Method #2

Use this method if your client device has a Wi-Fi Protected

Setup PIN number.

Enter the PIN number in the

field on this screen.

Click

After

the

client

device

has

been

configured,

click

. Then refer back to your client device or its

documentation for further instructions.

Method #3

Use this method if your client device asks for the Router’s

PIN number.

Enter the PIN number listed on this screen. (It is also

listed on the label on the bottom of the Router.)

After

the

client

device

has

been

configured,

click

. Then refer back to your client device or its

documentation for further instructions.

The Wi-Fi Protected Setup Status, Network Name (SSID),

Security, Encryption, and Passphrase are displayed at the

bottom of the screen.

NOTE:

If you have client devices that do not

support Wi-Fi Protected Setup, note the wireless

settings, and then manually configure those

client devices.

Wireless > Wireless Security

The Wireless Security settings configure the security of

your wireless network. There are six wireless security

mode options supported by the Router: WPA Personal,

WPA Enterprise, WPA2 Personal, WPA2 Enterprise, RADIUS,

and WEP. (WPA stands for Wi-Fi Protected Access, which is

a security standard stronger than WEP encryption. WPA2

is a more advanced, more secure version of WPA. WEP

stands for Wired Equivalent Privacy, and RADIUS stands

for Remote Authentication Dial-In User Service.) These

six are briefly discussed here. For detailed instructions

on configuring wireless security for the Router, refer to

“Chapter 2: Wireless Security.”

Wireless Security

Security Mode

Select the security method for your wireless network. If

you do not want to use wireless security, keep the default,

Disabled

WPA Personal

NOTE:

If you are using WPA, always remember

that each device in your wireless network MUST

use the same WPA method and shared key, or

else the network will not function properly.

Security Mode > WPA Personal

WPA Algorithm

WPA supports two encryption methods,

TKIP and AES, with dynamic encryption keys. Select

the type of algorithm,

TKIP

AES

(AES is a stronger

encryption method than TKIP.)

WPA Shared Key

Enter the key shared by the Router and

your other network devices. It must have 8-63 characters.

Group Key Renewal

Enter a Key Renewal period, which

tells the Router how often it should change the encryption

keys. The default Group Key Renewal period is

3600

seconds.

WPA Enterprise

This option features WPA used in coordination with a

RADIUS server. (This should only be used when a RADIUS

server is connected to the Router.)

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