If you check

DHCP Relay Agent

and click

Next

then you must enter the IP address of the

DHCP server which assigns an IP address back to the DHCP client in the LAN. Use this

function only if advised to do so by your network administrator or ISP. Click

Apply

to enable

this function.

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4.3.2 WAN (Wide Area Network)

A WAN (Wide Area Network) is an outside connection to another network or the Internet.

There are three items within the

WAN

section:

ISP

,

DNS

and

ADSL.

4.3.2.1 ISP

The factory default is PPPoE. If your ISP uses this access protocol, click

Edit

to input other

parameters as below. If your ISP does not use PPPoE, you can change the default WAN

connection entry by clicking

Change

.

A simpler alternative is to select

Quick Start

from the main menu on the left. See the Quick

Start section of the manual for more information.

RFC 1483 Routed Connections

Description:

Your description of this connection.

VPI and VCI:

Enter the information provided by your ISP.

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NAT:

The NAT (Network Address Translation) feature allows multiple users to access the

Internet through a single IP account, sharing the single IP address. If users on your LAN

have public IP addresses and can access the Internet directly, the NAT function can be

disabled.

Encapsulation method:

Select the encapsulation format, the default is LLC Bridged.

Select the one provided by your ISP.

DHCP client:

Enable or disable the DHCP client, specify if the router can get an IP

address from the Internet Service Provider (ISP) automatically or not.

Obtain an IP address automatically via DHCP client

to enable the DHCP client

function or click Specify an IP address to disable the DHCP client function, and specify the IP

address manually. The setting of this item is specified by your ISP.

RIP:

RIP v1, RIP v2, RIP v1+v2 and RIP v2 Multicast.

PPPoA Routed Connections

PPPoA stands for Point to Point Protocol over ATM Adaptation Layer 5 (AAL5). It provides

access control and billing functionality in a manner similar to dial-up services using PPP.

Description:

User-definable name for the connection.

VPI/VCI:

Enter the information provided by your ISP.

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NAT:

The NAT (Network Address Translation) feature allows multiple users to access the

Internet through a single IP account, sharing a single IP address. If users on your LAN have

public IP addresses and can access the Internet directly, the NAT function can be disabled.

Username:

Enter the username provided by your ISP. You can input up to

128

alphanumeric characters (case sensitive). This is in the format of “username@ispname”

instead of simply “username”.

Password:

Enter the password provided by your ISP. You can input up to

128

alphanumeric characters (case sensitive).

IP Address:

Your WAN IP address. Leave this at 0.0.0.0 to automatically obtain an IP

address from your ISP.

Authentication Protocol Type:

Default is

Chap (Auto

). Your ISP advises you whether

to use

Chap

or

Pap.

Connection:

If you want the router to establish a PPPoA session when starting up and to

automatically re-establish the PPPoA session when disconnected by the ISP.

RIP:

RIP v1, RIP v2, RIP v1+v2 and RIP v2 Multicast.

MTU:

Maximum Transmission Unit. The size of the largest datagram (excluding

media-specific headers) that the IP attempts to send through the interface.

Apply

PPPoE Routed Connections

PPPoE (PPP over Ethernet) provides access control in a manner similar to dial-up services

using PPP.

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Description:

A user-definable name for this connection.

VPI/VCI:

Enter the information provided by your ISP.

NAT:

The NAT (Network Address Translation) feature allows multiple users to access the

Internet through a single ISP account, sharing a single IP address. If users on your LAN

have public IP addresses and can access the Internet directly, the NAT function can be

disabled.

Username:

Enter the username provided by your ISP. You can input up to

128

alphanumeric characters (case sensitive). This is in the format of “username@ispname”

instead of simply “username”.

Password:

Enter the password provided by your ISP. You can input up to

128

alphanumeric characters (case sensitive).

Service Name:

This item is for identification purposes. If it is required, your ISP provides

you the information. Maximum input is

20

alphanumeric characters.

IP Address:

Your WAN IP address. Leave this at 0.0.0.0 to automatically obtain an IP

address from your ISP.

Authentication Protocol:

Default is

Chap.

Your ISP advises on using

Chap

or

Pap.

Connection:

~

Always on:

If you want the router to establish a PPPoE session when starting up

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