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Chapter 5: Configuring the Gateway

Overview

Wireless-G ADSL Gateway

•

VPN. To enable or disable IPSec and/or PPTP Pass-through, and set up VPN tunnels, use this screen.

Access Restrictions

•

Internet Access. This screen allows you to prevent or permit only certain users from attaching to your

network.

Applications & Gaming

•

Single Port Forwarding. Use this screen to set up common services or applications on your network.

•

Port Range Forwarding. To set up public services or other specialized Internet applications on your network,

click this tab.

•

Port Triggering. To set up triggered ranges and forwarded ranges for Internet applications, click this tab.

•

DMZ. To allow one local user to be exposed to the Internet for use of special-purpose services, use this

screen.

Administration

•

Management. On this screen, alter Gateway access privileges, SNMP, and UPnP settings.

•

Reporting. If you want to view or save activity logs, click this tab.

•

Diagnostics. Use this screen to do a Ping Test.

•

Factory Defaults. If you want to restore the Gateway’s factory defaults, use this screen.

•

Firmware Upgrade. Click this tab if you want to upgrade the Gateway’s firmware.

Status

•

Gateway. This screen provides status information about the Gateway.

•

Local Network. This provides status information about the local network.

•

Wireless. This screen provides status information about the wireless network.

•

DSL Connection. This screen provides status information about the DSL connection.

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Chapter 5: Configuring the Gateway

How to Access the Web-based Utility

Wireless-G ADSL Gateway

How to Access the Web-based Utility

To access the web-based utility, launch Internet Explorer or Netscape Navigator, and enter the Gateway’s default

IP address, 192.168.1.1, in the Address field. Then press Enter.

A password request page, shown in Figure 5-1 will appear. (non-Windows XP users will see a similar screen.)

Enter

admin

(the default user name) in the User Name field, and enter

admin

(the default password) in the

Password field.

Then click the

OK

button.

The Setup Tab

The Basic Setup Tab

The first screen that appears is the Basic Setup tab. (See Figure 5-2.) This tab allows you to change the

Gateway's general settings. Change these settings as described here and click the

Save Settings

button to save

your changes or

Cancel Changes

to cancel your changes.

Internet Setup

•

VC Settings. Virtual Circuit (VPI and VCI): 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. Multiplexing: Select

LLC

or

VC

, depending on your ISP.

•

ADSL Settings. The Gateway supports five Encapsulations: RFC 1483 Bridged, RFC 1483 Routed, RFC 2516

PPPoE, RFC 2364 PPPoA, and Bridged Mode Only. Each Basic Setup screen and available features will differ

depending on what kind of encapsulation you select.

RFC 1483 Bridged

Dynamic IP

IP Settings. Select

Obtain an IP Address Automatically

if your ISP says you are connecting through a

dynamic IP address. (See Figure 5-3.)

Figure 5-2: Basic Setup Tab

Figure 5-1: Password Screen

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Chapter 5: Configuring the Gateway

The Setup Tab

Wireless-G ADSL Gateway

Static IP

If you are required to use a permanent IP address to connect to the Internet, then select

Use the following IP

Address

. (See Figure 5-4.)

•

IP Address. This is the Gateway’s IP address, when seen from the WAN, or the Internet. Your ISP will

provide you with the IP Address you need to specify here.

•

Subnet Mask. This is the Gateway’s Subnet Mask. Your ISP will provide you with the Subnet Mask.

•

Default Gateway. Your ISP will provide you with the Default Gateway Address, which is the ISP server’s IP

address.

•

Primary DNS. (Required) and Secondary DNS (Optional). Your ISP will provide you with at least one DNS

(Domain Name System) Server IP Address.

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 5-3: Dynamic IP

Figure 5-4: Static IP

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Chapter 5: Configuring the Gateway

The Setup Tab

Wireless-G ADSL Gateway

RFC 1483 Routed

If you are required to use RFC 1483 Routed, then select

RFC 1483 Routed

. (See Figure 5-5.)

•

IP Address. This is the Gateway’s IP address, when seen from the WAN, or the Internet. Your ISP will

provide you with the IP Address you need to specify here.

•

Subnet Mask. This is the Gateway’s Subnet Mask. Your ISP will provide you with the Subnet Mask.

•

Default Gateway. Your ISP will provide you with the Default Gateway Address, which is the ISP server’s IP

address.

•

Primary DNS. (Required) and Secondary DNS (Optional). Your ISP will provide you with at least one DNS

(Domain Name System) Server IP Address.

RFC 2516 PPPoE

Some DSL-based ISPs use PPPoE (Point-to-Point Protocol over Ethernet) to establish Internet connections. If

you are connected to the Internet through a DSL line, check with your ISP to see if they use PPPoE. If they do,

you will have to enable PPPoE. (See Figure 5-6.)

•

Service Name. Enter the Service Name, if required by your ISP.

•

User Name and Password. Enter the User Name and Password provided by your ISP.

•

Connect on Demand: Max Idle Time. You can configure the Gateway to disconnect the Internet connection

after it has been inactive for a specified period of time (Max Idle Time). If your Internet connection has

been terminated due to inactivity, Connect on Demand enables the Gateway to automatically re-establish

your connection as soon as you attempt to access the Internet again. If you wish to activate

Connect on

Demand

, click the radio button. In the Max Idle Time field, enter the number of minutes you want to have

elapsed before your Internet connection terminates.

•

Keep Alive: Redial Period. If you select this option, the Gateway will periodically check your Internet

connection. If you are disconnected, then the Gateway will automatically re-establish your connection. To

use this option, click the radio button next to

Keep Alive

. In the Redial Period field, you specify how often

you want the Gateway to check the Internet connection.

The default Redial Period is 30 seconds.

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 5-5: RFC 1483 Routed

Figure 5-6: RFC 2516 PPPoE

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Chapter 5: Configuring the Gateway

The Setup Tab

Wireless-G ADSL Gateway

RFC 2364 PPPoA

Some DSL-based ISPs use PPPoA (Point-to-Point Protocol over ATM) to establish Internet connections. If you

are connected to the Internet through a DSL line, check with your ISP to see if they use PPPoA. If they do, you

will have to enable PPPoA. (See Figure 5-7.)

•

User Name and Password. Enter the User Name and Password provided by your ISP.

•

Connect on Demand: Max Idle Time. You can configure the Gateway to cut the Internet connection after it

has been inactive for a specified period of time (Max Idle Time). If your Internet connection has been

terminated due to inactivity, Connect on Demand enables the Gateway to automatically re-establish your

connection as soon as you attempt to access the Internet again. If you wish to activate

Connect on

Demand

, click the radio button. In the Max Idle Time field, enter the number of minutes you want to have

elapsed before your Internet connection terminates.

•

Keep Alive Option: Redial Period. If you select this option, the Gateway will periodically check your

Internet connection. If you are disconnected, then the Gateway will automatically re-establish your

connection. To use this option, click the radio button next to

Keep Alive

. In the Redial Period field, you

specify how often you want the Gateway to check the Internet connection. The default Redial Period is 30

seconds.

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.

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

. (see Figure 5-8). All NAT and routing is disabled in this mode.

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.

Optional Settings (Required by some ISPs)

(See Figure 5-9.)

•

Host Name and Domain Name. These fields allow you to supply a host and domain name for the Gateway.

Some 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.

Figure 5-7: RFC 2364 PPPoA

Figure 5-8: Bridged Mode Only