SnapGear SG565 Router Manual PDF (Setup & Configuration Guide)

Page 26 / 249 Scroll up to view Page 21 - 25

Getting Started

21

Set up Internet Connection Settings

Select your Internet connection type and click

Figure 2-5

Cable Modem:

If connecting using a cable modem, select the appropriate ISP.

Choose

Generic cable modem provider

if yours does not appear.

Modem:

If connecting using a regular analog modem, enter the details provided by your

ISP.

ADSL:

If connecting using an ADSL modem, select

Auto detect ADSL connection type

and enter the details provided by your ISP.

If auto detection fails and you are unsure of

your ADSL connection type, contact your ISP.

Direct Connection:

If you have a direct connection to the Internet (e.g. a leased line),

enter the IP settings provided by your ISP.

Note

For detailed help for each of these options, please refer to the the chapter entitled

Network Connections

.

Page 27 / 249

Getting Started

22

Set up the CyberGuard SG Appliance’s Switch

Note

This page will only display if you are setting up the SG560, SG565 or SG580.

Otherwise

skip to

Set up the PCs on your LAN to Access the Internet.

By default, the CyberGuard SG appliance’s switch

A

behaves as a conventional

switching hub.

However, it may be configured so that each port behaves as if it were

physically separate from the others.

Figure 2-6

Select a configuration for the CyberGuard SG appliance’s switch, then click

Select

1 LAN Port, 3 Isolated Ports

if you want to have multiple network segments,

such as a DMZ, guest network or second LAN, or if you want to use multiple broadband

Internet connections for Internet load balancing or Internet failover.

Port

A1

will be used

as the LAN port.

Note

For instructions on setting up multiple network segments, please refer to the chapter

entitled

Network Connections.

Otherwise, select

4 LAN Ports

.

Page 28 / 249

Getting Started

23

Set up the PCs on your LAN to Access the Internet

Once the CyberGuard SG appliance’s Internet connection has been set up, click

select

Reboot

and click

Note

If you have changed the CyberGuard SG appliance’s LAN connection settings, it may

become uncontactable at this point.

This step describes how to set up the PCs on your

network to access the CyberGuard SG appliance and the Internet.

Connect your CyberGuard SG appliance to your LAN if you haven’t already done so.

If you are setting up the SG300, you connect PCs and your LAN hub directly to its LAN

switch.

If you are setting up the SG560, SG565 or SG580 and have configured its switch as 4

LAN Ports, you may also connect PCs and your LAN hub directly to switch A.

If you are setting up the SG560, SG565 or SG580 and have configured its switch as 1

LAN Port, 3 Isolated Ports, connect port A1 directly to your LAN hub.

Otherwise, connect your CyberGuard SG appliance’s LAN port directly to your LAN hub

using the straight through Ethernet cable (blue).

To access the Internet, the PCs on your network must all be set up to use the

CyberGuard SG appliance as their default gateway.

This can be done a number of

different ways depending on how your LAN is set up.

If your LAN already has a DHCP server (aside from the CyberGuard SG appliance

you are setting up), proceed to

LAN with a DHCP server

.

If your LAN does not

have a DHCP server, proceed to

LAN with no DHCP server

.

If you are not sure, you probably want

LAN with no DHCP server

.

Page 29 / 249

Getting Started

24

LAN with a DHCP server

Add a lease to your existing DHCP server to reserve the IP address you chose in

STEP 3

for the CyberGuard SG appliance’s LAN connection.

If you chose to set the CyberGuard SG appliance’s LAN connection settings using

Manual configuration

, you may simply remove this address from the pool of available

addresses.

Enter this same IP address as the gateway IP address to be handed out by the DHCP

server.

Enter this same IP address as the DNS server IP address to be handed out by the DHCP

server.

Restart all the PCs on the network (this will reset their gateway and DNS addresses).

Note

The purpose of restarting the computers is to force them to gain a new DHCP lease.

Alternatively you can use a utility such as

ipconfig

to release then renew a lease, or

disable and re-enable the network connection.

LAN with no DHCP server

A DHCP server allows PCs to automatically obtain network settings when they start up.

If your network does not have a DHCP server, you may either manually set up each PC

on your network, or

set up the CyberGuard SG appliance's DHCP server.

Note

If you only have several PCs, we suggest manually setting up your network.

If you have

more PCs, enabling the CyberGuard SG appliance’s DHCP server is more scalable.

Page 30 / 249

Getting Started

25

To manually set up each Windows PC on your network:

Click

Start

->

(

Settings

->)

Control Panel

and double click

Network

Connections

(or in 95/98/Me, double click

Network

).

If presented with multiple connections, right click on

Local Area Connection

(or

appropriate network connection) and select

Properties

.

Select

Internet Protocol (TCP/IP)

and click

Properties

(or in 95/98/Me,

TCP/IP

->

[your network card name]

if there are multiple entries).

Enter the following details:

IP address

is an IP address that is part of the same subnet range as the

CyberGuard SG appliance’s LAN connection (e.g. if using the default settings,

192.168.0.2 – 192.168.0.254).

•

Subnet mask

is the subnet mask of the CyberGuard SG appliance’s LAN

connection.

•

Default gateway

is the IP address of the CyberGuard SG appliance’s

LAN connection.

•

Preferred DNS server

is the IP address of the CyberGuard SG

appliance’s LAN connection.

Click

OK

(or in 95/98/Me,

Add

then

OK

, reboot the PC if prompted to do so).

Perform these steps for each PC on your network.

You are now finished.

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