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ZyXEL Communications NBG410W3G User Manual

Page 122

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Chapter 6 WAN Screens

NBG410W3G Series User’s Guide

122

Authentication

Type

The ZyXEL Device supports PAP (Password Authentication Protocol) and CHAP

(Challenge Handshake Authentication Protocol). CHAP is more secure than PAP;

however, PAP is readily available on more platforms.
Use the drop-down list box to select an authentication protocol for outgoing calls.

Options are:
CHAP/PAP - Your ZyXEL Device accepts either CHAP or PAP when requested by

this remote node.
CHAP - Your ZyXEL Device accepts CHAP only.
PAP - Your ZyXEL Device accepts PAP only.

Nailed-Up Select

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

Idle Timeout

This value specifies the time in seconds that elapses before the ZyXEL Device

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.

Advanced Setup

Enable NAT

(Network

Address

Translation)

Network Address Translation (NAT) allows the translation of an Internet protocol

address used within one network (for example a private IP address used in a local

network) to a different IP address known within another network (for example a

public IP address used on the Internet).
Select this checkbox to enable NAT.
For more information about NAT see

Chapter 12 on page 225

.

RIP Direction

RIP (Routing Information Protocol) allows a router to exchange routing information

with other routers. The RIP Direction field controls the sending and receiving of

RIP packets.
Choose Both, None, In Only or Out Only.
When set to Both or Out Only, the ZyXEL Device will broadcast its routing table

periodically.
When set to Both or In Only, the ZyXEL Device will incorporate RIP information

that it receives.
When set to None, the ZyXEL Device will not send any RIP packets and will ignore

any RIP packets received.
By default, RIP Direction is set to Both.

RIP Version

The RIP Version field controls the format and the broadcasting method of the RIP

packets that the ZyXEL Device sends (it recognizes both formats when receiving).
Choose RIP-1, RIP-2B or RIP-2M.
RIP-1 is universally supported; but RIP-2 carries more information. RIP-1 is

probably adequate for most networks, unless you have an unusual network

topology. Both RIP-2B and RIP-2M sends the routing data in RIP-2 format; the

difference being that RIP-2B uses subnet broadcasting while RIP-2M uses

multicasting. Multicasting can reduce the load on non-router machines since they

generally do not listen to the RIP multicast address and so will not receive the RIP

packets. However, if one router uses multicasting, then all routers on your network

must use multicasting, also. By default, the RIP Version field is set to RIP-1.

Table 19 NETWORK > WAN > WAN 1 (PPPoE Encapsulation) (continued)

LABEL

DESCRIPTION