ZyXEL NBG420N Manuel d'utilisateur télécharger pdf (Page 121)

Chapter 8 WAN

NBG420N User’s Guide

121

The following table describes the labels in this screen.

Table 44 Network > WAN > Internet Connection: PPPoE Encapsulation

LABEL DESCRIPTION

ISP Parameters for Internet Access

Encapsulation The PPP over Ethernet choice is for a dial-up connection using PPPoE. The

NBG420N supports PPPoE (Point-to-Point Protocol over Ethernet). PPPoE is an

IETF Draft standard (RFC 2516) specifying how a personal computer (PC) interacts

with a broadband modem (i.e. xDSL, cable, wireless, etc.) connection.

Operationally, PPPoE saves significant effort for both the end user and ISP/carrier,

as it requires no specific configuration of the broadband modem at the customer

site. By implementing PPPoE directly on the router rather than individual

computers, the computers on the LAN do not need PPPoE software installed, since

the router does that part of the task. Further, with NAT, all of the LAN's computers

will have access.

Service Name Type the PPPoE service name provided to you. PPPoE uses a service name to

identify and reach the PPPoE server.

User Name Type the user name given to you by your ISP.

Password Type the password associated with the user name above.

Retype to

Confirm

Type your password again to make sure that you have entered is correctly.

Nailed-Up

Connection

Select Nailed-Up Connection if you do not want the connection to time out.

Idle Timeout This value specifies the time in seconds that elapses before the router

automatically disconnects from the PPPoE server.

WAN IP Address Assignment

Get automatically

from ISP

Select this option If your ISP did not assign you a fixed IP address. This is the

default selection.

Use Fixed IP

Address

Select this option If the ISP assigned a fixed IP address.

My WAN IP

Address

Enter your WAN IP address in this field if you selected Use Fixed IP Address.

DNS Servers

First DNS Server

Second DNS

Server

Third DNS Server

Select From ISP if your ISP dynamically assigns DNS server information (and the

NBG420N's WAN IP address). The field to the right displays the (read-only) DNS

server IP address that the ISP assigns.

Select User-Defined if you have the IP address of a DNS server. Enter the DNS

server's IP address in the field to the right. If you chose User-Defined, but leave

the IP address set to 0.0.0.0, User-Defined changes to None after you click Apply.

If you set a second choice to User-Defined, and enter the same IP address, the

second User-Defined changes to None after you click Apply.

Select None if you do not want to configure DNS servers. If you do not configure a

DNS server, you must know the IP address of a computer in order to access it.

WAN MAC

Address

The MAC address section allows users to configure the WAN port's MAC address

by using the NBG420N’s MAC address, copying the MAC address from a computer

on your LAN or manually entering a MAC address.

Factory default Select Factory default to use the factory assigned default MAC Address.

Clone the

computer’s MAC

address

Select Clone the computer's MAC address - IP Address and enter the IP

address of the computer on the LAN whose MAC you are cloning. Once it is

successfully configured, the address will be copied to the rom file (ZyNOS

configuration file). It will not change unless you change the setting or upload a

different ROM file.

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ZyXEL NBG420N Manuel d'utilisateur Page 121

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