Overview...............................................................................................................................................2

About this user manual ...................................................................................................................................................................3

What's New in Version 2.004?.......................................................................................................................................................4

Chapter 1 Quick Start ...........................................................................................................................................5

1.1

Check Your Package Contents...................................................................................................................................5

1.1.1

DFL-900 ...........................................................................................................................................................5

1.1.2

DFL-1500 .........................................................................................................................................................5

1.2

Hardware....................................................................................................................................................................6

1.3

Software Specifications .............................................................................................................................................8

1.4

Five steps to configure DFL-900/1500 quickly .......................................................................................................10

1.5

Wiring the DFL-900/1500 .......................................................................................................................................12

1.6

Default Settings and architecture of DFL-900/1500 ................................................................................................13

1.7

Using the Setup Wizard ...........................................................................................................................................15

1.8

Internet Connectivity ...............................................................................................................................................19

1.8.1

LAN1-to-WAN1 Connectivity.......................................................................................................................19

1.8.2

WAN1-to-DMZ1 Connectivity ......................................................................................................................21

1.9

NAT/Router Mode and Transparent Mode ..............................................................................................................23

1.9.1

NAT/Router Mode .........................................................................................................................................23

1.9.2

Transparent Mode ..........................................................................................................................................23

Chapter 2 System Overview ...............................................................................................................................25

2.1

Typical Example Topology......................................................................................................................................25

2.2

Changing the LAN1 IP Address ..............................................................................................................................26

2.2.1

From LAN1 to configure DFL-1500 LAN1 network settings........................................................................26

2.2.2

From CLI (command line interface) to configure DFL-1500 LAN1 network settings ..................................27

2.3

The design principle.................................................................................................................................................28

2.3.1

Web GUI design principle..............................................................................................................................28

2.3.2

Rule principle .................................................................................................................................................29

Part II

Basic Configuration ............................................................................................................................32

Chapter 3 Basic Setup.........................................................................................................................................34

3.1

Demands ..................................................................................................................................................................34

3.2

Objectives ................................................................................................................................................................34

3.3

Methods ...................................................................................................................................................................34

3.4

Steps.........................................................................................................................................................................34

3.4.1

Setup WAN1 IP..............................................................................................................................................34

3.4.2

Setup DMZ1, LAN1 Status ............................................................................................................................36

3.4.3

Setup WAN1 IP alias .....................................................................................................................................38

Chapter 4 System Tools ......................................................................................................................................41

4.1

Demands ..................................................................................................................................................................41

4.2

Objectives ................................................................................................................................................................41

4.3

Methods ...................................................................................................................................................................41

4.4

Steps.........................................................................................................................................................................45

4.4.1

General settings ..............................................................................................................................................45