BigPond Elite™ Wireless Broadband Network Gateway USER GUIDE

41

Option

Description

IP Address

Enter t he IP address for t he LAN interface

Subnet Mask

Enter t he subnet mask for t he LAN interface

Enable Internet Group

Management Protocol

(IGMP) Snooping

Enable by ticking t he box Standard Mode: In standard mode,

multicast traffic will flood to all bridge ports when no client

subscribes to a multicast group.

Blocking Mode: In blocking mode, t he multicast data traffic

will be blocked. When t here are no client subscriptions to a

multicast group, it will not flood to t he bridge ports.

Enable NAT

To enable/disable Network Address Translation (NAT, please

refer to 7.± for NAT setting). By default NAT is enabled.

Enable UPnP

Tick t he box to enable Universal Plug and Play

Dynamic Host Configuration

Protocol (DHCP) Server

Select enable DHCP server and enter your starting and

ending IP addresses and t he lease time. This setting

configures t he gateway to automatically assign IP, default

gateway and DNS server addresses to every DHCP client on

your LAN

Static IP Lease List

To specify t he IP address assigned t hrough DHCP according

to t he MAC address of t he hosts connected to t he Gateway.

Enable DHCP Server Relay

To relay DHCP requests from t he subnet wit h no DHCP server

on it to a DHCP server on ot her subnets. DHCP Server Relay

is disabled by default. To access enable DHCP relay, please

un-tick NAT enable first, t hat means to disable NAT first, and

t hen press save button. The enable DHCP server Relay option

will t hen show up on t he same page as below:

Configure a second IP address by ticking t he checkbox shown below and enter t he following

information:

IP Address:

Enter t he secondary IP address for t he LAN interface.

Subnet Mask:

Enter t he secondary subnet mask for t he LAN interface.

NOTE:

The Save button saves new settings to allow continued configuration, while t he Save/Reboot

button not only saves new settings but also reboots t he device to apply t he new configuration (i.e.

all new settings).

BigPond Elite™ Wireless Broadband Network Gateway USER GUIDE

4±

7.±

NETWORK ADDRESS TRANSLATION (NAT)

7.±.1

PORT FORWARDING

Port

Forwarding

allows

you

to

direct

incoming

traffic

from

t he

Internet

side

(identified

by

Protocol

and

External

port)

to

t he

internal

server

wit h

a

private

IP

address

on

t he

LAN

side.

The Internal port is required only if t he external port needs to be converted to a different port

number used by t he server on t he LAN side. A maximum of 3± entries can be configured.

To add a Port Forwarding rule, click t he Add button. The following screen will display.

BigPond Elite™ Wireless Broadband Network Gateway USER GUIDE

43

Options

Description

Select a Service

Or Custom Server

User should select t he service from t he list.

Or create a custom server and enter a name for t he server

Server IP Address

Enter t he IP address for t he server.

External Port Start

Enter t he starting external port number (when you select

Custom Server). When a service is selected t he port ranges are

automatically configured.

External Port End

Enter t he ending external port number (when you select

Custom Server). When a service is selected t he port ranges are

automatically configured.

Protocol

User can select from: TCP, TCP/UDP or UDP.

Internal Port Start

Enter t he internal port starting number (when you select

Custom Server). When a service is selected t he port ranges are

automatically configured

Internal Port End

Enter t he internal port ending number (when you select

Custom Server). When a service is selected t he port ranges are

automatically configured.

BigPond Elite™ Wireless Broadband Network Gateway USER GUIDE

44

7.±.±

PORT TRIGGERING

Some

applications

require

specific

ports

in

t he

Gateway’s

firewall

to

be

open

for

access

by

remote parties. Port Triggering opens up t he ‘Open Ports’ in t he firewall when an application

on t he LAN initiates a TCP/UDP connection to a remote party using t he ‘Triggering Ports’. The

Gateway allows t he remote party from t he WAN side to establish new connections back to t he

application on t he LAN side using t he ‘Open Ports’. A maximum 3± entries can be configured

To add a Trigger Port, simply click t he Add button. The following will be displayed.

BigPond Elite™ Wireless Broadband Network Gateway USER GUIDE

45

Options

Description

Select an Application or

Custom Application

User should select t he application from t he list. or User can

enter t he name of t heir choice.

Trigger Port Start

Enter t he starting trigger port number (when you select custom

application). When an application is selected, t he port ranges

are automatically configured.

Trigger Port End

Enter t he ending trigger port number (when you select custom

application). When an application is selected, t he port ranges

are automatically configured.

Trigger Protocol

TCP, TCP/UDP or UDP.

Open Port Start

Enter t he starting open port number (when you select custom

application). When an application is selected, t he port ranges

are automatically configured.

Open Port End

Enter t he ending open port number (when you select custom

application). When an application is selected, t he port ranges

are automatically configured.

Open Protocol

TCP, TCP/UDP or UDP.

7.±.3

DEMILITARIZED (DMZ) HOST

Your Gateway will forward IP packets from t he Wide Area Network (WAN) t hat do not belong to

any of t he applications configured in t he Virtual Servers table to t he DMZ host computer.

Enter t he computer’s IP address and click Apply to activate t he DMZ host.

Clear t he IP address field and click Apply to deactivate t he DMZ host.