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Chapter 4: Configuring the Gateway

The Setup Tab

Wireless-G ADSL Gateway with 2 Phone Ports

Bridged Mode Only

If you are using your Gateway as a bridge, which makes the Gateway act like a standalone modem, select

Bridged Mode Only

. All NAT and routing is disabled in this mode.

VC Settings

. You will configure your Virtual Circuit (VC) settings in this section.

•

Multiplexing. Select

LLC

or

VC

, depending on your ISP.

•

QoS Type. Select from the drop-down menu:

CBR

(Continuous Bit Rate) to specify fixed bandwidth for

voice or data traffic;

UBR

(Unspecific Bit Rate) for application that are not time sensitive, such as e-mail;

or

VBR

(Variable Bite Rate) for Bursty traffic and bandwidth-sharing with other applications.

•

Pcr (Peak Cell Rate) Rate. If required by your service provider, divide the DSL line rate by 424 to get the

maximum rate at which the sender can send cells. Enter the rate in this field.

•

Scr (Sustain Cell Rate) Rate. The average cell rate that can be transmitted, this value is normally less than

the PCR value. Enter the rate in the field (if required by your service provider).

•

Autodetect: Select

Enable

to have the settings automatically entered, or select

Disable

to enter the

values manually.

•

Virtual Circuit. These fields consist of two items:

VPI

(Virtual Path Identifier) and

VCI

(Virtual Channel

Identifier). Your ISP will provide the correct settings for these fields.

•

DSL Modulation. Select from the drop-down menu:

Multimode

,

T1.413

,

G.dmt

, or

G.lite

. The default

value is Multimode.

Your ISP may provide custom setting for this field.

When finished making your changes on this tab, click the

Save Settings

button to save these changes, or click

the

Cancel Changes

button to undo your changes.

Figure 4-8: Basic Setup Tab - Bridged Mode Only

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Chapter 4: Configuring the Gateway

The Setup Tab

Wireless-G ADSL Gateway with 2 Phone Ports

DNS Proxy

If the PCs on your network are enabled with DNS, enable the DNS Proxy to foward the DNS entries.

Optional Settings

Some of these settings may be required by your ISP. Verify with your ISP before making any changes.

Host Name/Domain Name

. These fields allow you to supply a host and domain name for the Router. Some ISPs,

usually cable ISPs, require these names as identification. You may have to check with your ISP to see if your

broadband Internet service has been configured with a host and domain name. In most cases, leaving these

fields blank will work.

MTU

. MTU is the Maximum Transmission Unit. It specifies the largest packet size permitted for Internet

transmission. The default setting,

Manual

, allows you to enter the largest packet size that will be transmitted.

The recommended size, entered in the

Size

field, is 1492. You should leave this value in the 1200 to 1500 range.

To have the Router select the best MTU for your Internet connection, select

Auto

.

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.

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, you must configure all

of your network PCs to connect to a DHCP server (the Router), and make sure there is no other DHCP server on

your network.

Local DHCP Server

. A Dynamic Host Configuration Protocol (DHCP) server automatically assigns an IP address to

each computer on your network for you. Unless you already have one, you should leave the Gateway enabled as a

DHCP server.

DHCP Relay Server

. If you have a local DHCP server that you would like to use instead, enable the DHCP Relay

mode for the Local DHCP Server setting and enter the IP address of the DHCP server.

Figure 4-9: Basic Setup Tab -

DNS Proxy and Optional Settings

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Chapter 4: Configuring the Gateway

The Setup Tab

Wireless-G ADSL Gateway with 2 Phone Ports

AutoDetect LAN DHCP Server

. If you want the Gateway to automatically detect a DHCP server on the local

network, then select the

Enable

radio button. (When this feature is enabled, the

DHCP Relay

radio button for the

Local DHCP Server

setting will be unavailable.) Otherwise, keep the default,

Disable

.

Starting IP Address

. Enter a value for the DHCP server to start with when issuing 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 50.

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 0 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, type that IP Address in one of these fields. You can type 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

Change the time zone in which your network functions from this pull-down menu. (You can even automatically

adjust for daylight savings time.)

When finished making your changes on this tab, click the

Save Settings

button to save these changes, or click

the

Cancel Changes

button to undo your changes.

Figure 4-10: Basic Setup Tab - Network Setup

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Chapter 4: Configuring the Gateway

The Setup Tab

Wireless-G ADSL Gateway with 2 Phone Ports

The DDNS Tab

The Gateway 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 Gateway.

Before you can use this feature, you need to sign up for DDNS service at DynDNS.org or TZO.com.

DDNS

DDNS Service

. Select your DDNS service, either DynDNS.org or TZO.com, from the drop-down menu. To disable

DDNS Service, select

Disabled

.

DynDNS.org

. Enter the User Name, Password, and Host Name of the account you set up with DynDNS.org in the

spaces provided. The Gateway’s current Internet IP Address and DDNS service connection status will be

displayed beneath.

TZO.com

. Enter the Email Address, TZO Password Key, and Domain Name of the service you set up with TZO. The

Gateway’s current Internet IP Address and DDNS service connection status will be displayed beneath.

When finished making your changes on this tab, click the

Save Settings

button to save these changes, or click

the

Cancel Changes

button to undo your changes.

Figure 4-11: Setup Tab - DDNS (DynDNS.org)

Figure 4-12: Setup Tab - DDNS (TZO.com)

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Chapter 4: Configuring the Gateway

The Setup Tab

Wireless-G ADSL Gateway with 2 Phone Ports

Advanced Routing Tab

The Advanced Routing screen allows you to configure the dynamic routing and static routing settings.

Advanced Routing

Operating Mode

. NAT is a security feature that is enabled by default. It enables the Gateway to translate IP

addresses of your local area network to a different IP address for the Internet. To disable NAT, click the

Disabled

radio button.

Dynamic Routing/RIP

. With Dynamic Routing you can enable the Gateway to automatically adjust to physical

changes in the network’s layout. The Gateway, using the RIP protocol, determines the network packets’ route

based on the fewest number of hops between the source and the destination. The RIP protocol regularly

broadcasts routing information to other Gateways on the network. To enable RIP, click

Enabled

. To disable RIP,

click

Disabled

.

•

Transmit RIP Version. To transmit RIP messages, select the protocol you want:

RIP1, RIP1-Compatible,

or RIP2

. If you don’t want to transmit RIP messages, select

Disable

.

•

Receive RIP Version. To receive RIP messages, select the protocol you want:

RIP1

or

RIP2

. If you don’t

want to receive RIP messages, select

Disable

.

Static Routing

. If the Gateway is connected to more than one network, it may be necessary to set up a static

route between them. A static route is a pre-determined pathway that network information must travel to reach a

specific host or network. To create a static route, change the following settings:

•

Select set number. Select the number of the static route from the drop-down menu. The Gateway

supports up to 20 static route entries. If you need to delete a route, after selecting the entry, click the

Delete This Entry

button.

•

Destination IP Address. The Destination IP Address is the address of the remote network or host to which

you want to assign a static route. Enter the IP address of the host for which you wish to create a static

route. If you are building a route to an entire network, set the network portion of the IP address to 0.

•

Subnet Mask. The Subnet Mask (also known as the Network Mask) determines which portion of an IP

address is the network portion, and which portion is the host portion.

•

Gateway. This IP address should be the IP address of the gateway device that allows for contact between

the Gateway and the remote network or host.

Figure 4-13: Setup Tab - Advanced Routing

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