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Table 12 network > lan – ZyXEL Communications NBG410W3G User Manual

Page 105

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Chapter 5 LAN Screens

NBG410W3G Series User’s Guide

105

The following table describes the labels in this screen.

Table 12 NETWORK > LAN

LABEL

DESCRIPTION

LAN TCP/IP

IP Address

Type the IP address of your ZyXEL Device in dotted decimal notation. 192.168.1.1

is the factory default. Alternatively, click the right mouse button to copy and/or

paste the IP address.

IP Subnet Mask

The subnet mask specifies the network number portion of an IP address. Your

ZyXEL Device automatically calculates the subnet mask based on the IP address

that you assign. Unless you are implementing subnetting, use the subnet mask

computed by the ZyXEL Device.

RIP Direction

RIP (Routing Information Protocol, RFC1058 and RFC 1389) allows a router to

exchange routing information with other routers. The RIP Direction field controls

the sending and receiving of RIP packets. Select the RIP direction from Both/In

Only/Out Only/None. When set to Both or Out Only, the ZyXEL Device will

broadcast its routing table periodically. When set to Both or In Only, it will

incorporate the RIP information that it receives; when set to None, it will not send

any RIP packets and will ignore any RIP packets received. Both is the default.

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).

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, RIP direction is set to Both and the Version

set to RIP-1.

Multicast

Select IGMP V-1 or IGMP V-2 or None. IGMP (Internet Group Multicast Protocol)

is a network-layer protocol used to establish membership in a Multicast group - it is

not used to carry user data. IGMP version 2 (RFC 2236) is an improvement over

version 1 (RFC 1112) but IGMP version 1 is still in wide use. If you would like to

read more detailed information about interoperability between IGMP version 2 and

version 1, please see sections 4 and 5 of RFC 2236.

DHCP Setup

DHCP

DHCP (Dynamic Host Configuration Protocol, RFC 2131 and RFC 2132) allows

individual clients (workstations) to obtain TCP/IP configuration at startup from a

server. Unless you are instructed by your ISP, leave this field set to Server. When

configured as a server, the ZyXEL Device provides TCP/IP configuration for the

clients. When set as a server, fill in the IP Pool Starting Address and Pool Size

fields.
Select Relay to have the ZyXEL Device forward DHCP requests to another DHCP

server. When set to Relay, fill in the DHCP Server Address field.
Select None to stop the ZyXEL Device from acting as a DHCP server. When you

select None, you must have another DHCP server on your LAN, or else the

computers must be manually configured.

IP Pool Starting

Address

This field specifies the first of the contiguous addresses in the IP address pool.

Pool Size

This field specifies the size, or count of the IP address pool.

DHCP Server

Address

Type the IP address of the DHCP server to which you want the ZyXEL Device to

relay DHCP requests. Use dotted decimal notation. Alternatively, click the right

mouse button to copy and/or paste the IP address.