OVISLINK EVO-WR54ADSL User Manual

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Evo-WR54ADSL

Modem/Routeur ADSL2+ 24 Mbps

Revision 1.0 July 2004

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Table of Contents

1. INTRODUCTION .................................................................................................4

1.1 F

EATURES

......................................................................................................4

2. GATEWAY OVERVIEW ....................................................................................5

2.1 P

2.2 L

ORTS AND BUTTONS .................................................................................... 5

ESCRIPTION

ED D

........................................................................................6

3. INSTALLING YOUR GATEWAY .....................................................................7

4. SETTING UP YOUR GATEWAY ...............................................................

4.1 L

4.2 H

4.3 S

OG INTO YOURGATEWAY

OMESCREEN

ETUP ..........................................................................................................10

...............................................................................................9

............................................................................8

4.3.1 Wide Area Network Connection.....................................................

......8

......10

4.3.2 Local Area Network Connection..........................................................10

4.4 C

4.4.1 New Connection ...............................................................

ONFIGURING THE WAN .............................................................................10

....................11

4.4.1.1 Bridged gateway profile and Connection ........................................11

4.4.1.2 PPPoA Connection Setup ................................................................12

4.4.1.3 PPPoE Connection Setup...............................................................

4.4.1.4 DHCP Connection Setup ...............................................................

4.4.1.5 Static Connection Setup...............................................................

..13

..14

....15

4.4.1.6 Classical IP over ATM Connection Setup.......................................16

4.4.2 Modify an Existing Connection............................................................17

4.4.3 Modem Setup........................................................................................ 17

4.5 C

4.6 C

4.6.1 Enable/Disable DHCP...............................................................

ONFIGURING THE WLAN...........................................................................18

ONFIGURING THE LAN...............................................................................19

..........20

4.6.2 Changing the gateways IP address......................................................21

4.6.2.1 Static IP address assignment............................................................21

4.6.3 Firewall/NAT Services...............................................................

4.7 A

DVANCED

...................................................................................................22

4.7.1 Wireless Security...............................................................

4.7.1.1 WEP ...............................................................

4.7.1.2 802.1x...............................................................

4.7.1.3 WPA...............................................................

..................................23

................................24

..................................25

4.7.2 Wireless Management...............................................................

4.7.2.1 Access List...............................................................

........................26

4.7.2.2 Associated Stations ...............................................................

4.7.2.3 Multiple SSID ...............................................................

4.7.3 UPnP...............................................................

.....................................29

4.7.4 Port Forwarding ...............................................................

4.7.5 Advanced Security...............................................................

4.7.5.1 DMZ configuration ...............................................................

4.7.5.2 Enable Remote Web ...............................................................

4.7.5.3 Enable Remote Telnet...............................................................

..........22

...................23

...........26

...........27

...................28

...................30

.................31

...........31

.........31

.......32

4.7.5.4 Enable Incoming ICMP Ping ........................................................... 32

4.7.6 Access Control ...............................................................

4.7.7 LAN clients...............................................................

......................32

............................32

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4.7.8 Bridge Filters ....................................................................................... 32

4.7.9 Multicast ...............................................................

4.7.10 Static Routing...............................................................

4.7.11 Dynamic Routing ...............................................................

4.8 T

OOLS ..........................................................................................................37

4.8.1 System Commands ...............................................................

4.8.2 Remote Log ...............................................................

4.8.3 User Management...............................................................

4.8.4 Update Gateway...............................................................

4.8.5 Ping Test ...............................................................

4.8.6 Modem Test...............................................................

4.8.7 UI Support...............................................................

4.9 S

TATUS.........................................................................................................40

4.9.1 Network Statistics...............................................................

4.9.2 Connection Status ...............................................................

4.9.3 DHCP Clients ...............................................................

4.9.4 Modem Status...............................................................

4.9.5 Product Information...............................................................

4.9.6 System Log ...............................................................

...............................34

........................35

..................36

................37

...........................37

.................38

....................38

...............................39

...........................39

.............................39

..................40

.................40

.......................40

........................40

..............40

............................40

5. APPENDIX A: TROUBLESHOOTING ..........................................................41

5.1 T

5.2 I

5.3 T

5.4 T

5.5 T

HE GATEWAY IS NOT FUNCTIONAL

CAN’T CONNECT TO THE GATEWAY

HE DSL LINK LED CONTINUES TO BLINK BUT DOES NOT GO SOLID.........42

HE DSL LINK LED IS ALWAYS OFF. ..........................................................42

S BLINK IN A SEQUENTIAL PATTERN

LED

. ............................................................41

. ........................................................... 41

. .............................................42

6. GATEWAY TERMS ...............................................................

...........................43

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1. Introduction

The OVISLINK EVO-WR54ADSL is the perfect high-speed WAN bridge/router. This fullfeatured product is specifically designed to connect to the Internet and directly connect to your local area network via high speed 10/100 Mbps Ethernet or 802.11b/g. The gateway also has full NAT firewall and DMZ services to bloc

k unwanted users from accessing your network.

1.1 Features

• Equipped with a 1 or 4-Port 10/100 Ethernet Switch

• Equipped with IEEE 802.11b/g WLAN AP (wireless models)

peed wireless connection, up to 54 Mbps (wireless models)

igh s

• H

• Connects multiple PCs to the Internet with just one WAN IP Address (when

configured in router mode with NAT enabled)

• Configurable through user-friendly web pages

• Supports Single-Session IPSec and PPTP Pass-Through for Virtual Private Network

VPN)

(

• Several popular games are already pre configured. Just enable the game and the port settings are automatically configured.

• Configurable as a DHCP Server on Your Netwo

• Compatible with virtually all standard Internet applications

• Industry standard and interoperable DSL interface

• Address Filtering, DMZ Hosting, and Much More

• Support 64, 128 and 256 bits WEP / WPA / WPA-PSK / 802.1x (wireless models)

• Simple web based status page displays a snapshot of your system configuration, and

ks to the configuration pages

lin

ownloadable f

• D

• Support for up to 8 Permanent Virtual Circuits (PVC)

• Support for up to 8 PPPoE sessions

• Supports Classical IP over ATM (CLIP or also referred to as RFC1577)

lash software upgrades

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2. Gateway Overview

Your gateway has many ports, switches and LEDs. Let’s take a look at the different options. Depending upon your model of gateway, your gateway may have some or all of the features

sted below

2.1 Ports and Buttons

(1 Port Ethernet Gateway)

(1 Port Wireless Gateway)

(4 Ports Ethernet Gateway)

(4 Ports Wireless Gateway)

RESET: The RESET button will set the gateway to its factory default setting and reset the gateway. You may need to place the gateway into its factory defaults if the configuration is changed, you loose the ability to enter the gateway via the web interface, or following a software upgrade, and you loose the ability to enter the gateway. To reset the gateway, simply press the reset button for more than 10 seconds. The gateway will be reset to its factory defaults and after about 30 seconds the gateway will become operational again.

OWER: Connect the power adapter that came the Gateway. Using a power supply with a

different voltage rating will damage this product. Make sure to observe the proper power requirements. The power requirement is 12 volts.

AN (

local area network) port(s): Connect to Ethernet network devices, such as a PC, hub,

switch, or router. Some gateways come with a single LAN connection and some come with four LAN conne strait through cable.

USB (universal serial port): Connects this port to a PC’s USB port. The gateway only

rts Window’s based PCs via an RNDIS driver (included in the software).

suppo

ADSL p

ort: This is the WAN interface which connects directly to your phone line.

ctions. Depending on the connection, you may need a cross over cable or a

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2.2 LED Description

(1 Port Ethernet Gateway)

(1 Port Wireless Gateway)

(4 Ports Ethernet Gateway)

(4 Ports Wireless Gateway)

Power LED: The LED stays lighted to indicate the system is power on properly.

N LED: This LED is lighted when the WAN connection is established and flashes when

the WAN port is sending/receiving data.

LAN L

data is sending/receiving via

PPP LED: This LED is lighted when a PPP link is established and flashes when the data is sending/receiving via PPP. (Ethernet models)

LAN port is sending/receiving data. (The number of LAN ports depends on your model.)

when USB port is sending/receiving data.

ED: This LED is lighted when a wireless link is established and flashes when the

wireless. (wireless models)

AN L

ED: The LED is lighted when a connection is established to LAN port and flashes when

SB L

ED: The LED is lighted when a connection is established to USB port and flashes

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3. Installing Your Gateway

1. Locate an optimum location for the gateway.

2. For connections to the Ethernet and DSL interfaces, refer to the quick start guide.

3. Connect the AC Power Adapter. Depending upon the type of network, you may want to put the power supply on an uninterruptible supply. Only use the power adapter supplied with the gateway. A different adapter may damage the product.

Now that the hardware installation is complete, proceed to Chapter 4: Setting up your

ateway

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4. Setting up Your Gateway

This section will guide you through your gateway’s configuration. The gateway is shipped with a standard default bridge configuration; for most users, you may want to change the gateway from a bridge to a router.

4.1 Log into Your Gateway

To configure your gateway, open your web browser. You may get an error message at this point; this is normal. Don’t panic. Continue following these directions. Type the default IP

ddress (192.168.1.1 ) P

a appear. The default user name is A sensitive).

Note: Before setting up your gateway, make sure you have followed the quick start guide. You should have your computers configured for DHCP mode and have proxies disabled on your browser. Also if you access the Gateway, and in instead displa verify that JavaScript support is enabled. Also, if you do not get the screen shown in Figure 1, you may need to delete your temporary Internet files (basically flush the cached web page

ys a login redirection screen, you should check your browser's setting, and

ress the Enter key and the following screen, shown in Figure 1 will

dmin (case sensitive) and the password is Admin (case

stead of getting a login screen, the browser

s).

Figure 1 (Log-in screen)

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4.2 Home Screen

The first screen (Figure 2) that appears (after the log in screen) is the Home screen. From this screen the user can setup the modem ( the advanced configuration options within the modem (security, routing, and filtering), access tools that are helpful for debug purposes, obtain the status of the modem, and view the extensive online help.

The basic layout of the Home page consists of a page selection list across the top of the browser window. The footer displays gateway status, connection information, and other useful information. The center display is where most of the configuration will take place.

configure the LAN and WAN connection(s), configure

Figure 2 (Home page)

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4.3 Setup

To setup your gateway with a basic configuration, from the Home page, select Setup. Figure 3 illustrates the setup page. The page is broken into two subsections the WAN configuration and the LAN configuration.

Before configuring the Gateway, there are several concepts that you should be familiar with on how your new Gateway works. Please take a moment to familiarize yourself with these concepts, as it should make the configuration much easier.

Figure 3 (Setup page)

4.3.1 Wide Area Network Connection

On the other side of the Gateway is where your Wide Area Network (WAN) connection; also referred to as a broadband conne supplier. Most of the configuration you will perform will be in this area.

ction. This WAN connection is different for every WAN

4.3.2 Local Area Network Connection

On one side of your Gateway, you have your own Local Area network (LAN) connections. This is where you plug in your local computers to the Gateway. The Gateway is normally configured to automatically provide all the PC's on your network with Internet addresses.

4.4 Configuring the WAN

Before the gateway will pass any data between the LAN interface(s) and the WAN interface, the WAN side of the modem must be configur or your ISP, you will need some (or all) of the information outlined below before you can properly configure the WAN:

• Your DSL line VPI and VCI

• Your DSL encapsulation type and multiplexing

• Your DSL training mode (default is MMODE)

ed. Depending upon your DSL service provider

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For PPPoA or PPPoE users, you also need these values from your ISP:

• Your u

For R

FC 1483 users, you may need these values from your ISP:

• Your DSL fixed Internet IP address

• Your Subnet Mask

• Your Default Gateway

• Your primary DNS IP address

sername and password

4.4.1 New Connection

A new connection is basically a virtual connection. Your gateway can support up to 8 different (unique) virtual connections. If you have multiple different virtual connections, you may need to utilize the static and dynamic routing capabilities of the modem to pass data correctly.

4.4.1.1 Bridged gateway profile and Connection

A pure bridged connection does not assign an IP address to the WAN interface. NAT and firewall rules are not enabled. This connection method makes the Gateway act as a hub, and

ust passes p

ackets across the WAN interface to the LAN interface.

To configure the gateway as a bridge, from the Home page, cli

New C

Bridge and the Bridge conne

connection a unique name; the name must not have spaces and cannot begin with numbers. In this case the unique name is called b you are not sure just use the default mode. Select the VPI and VCI settings; your DSL service provider or your ISP will supply these; in this case the DSL service provider is using 0,35. Also select the quality of service (QOS); leave the default value if you are unsure or the ISP did not provide this information.

onnection. The default PPPoE connection setup is displayed. At the Type field select

ction setup page is displayed (see Figure 4). Give your Bridge

ridge1. Select the encapsulation type (LLC or VC); if

ck on Setup and then click on

Figure 4 (Bridge Connection Setup)

To complete the connection you must now click the apply button. The apply button will temporarily save this connection. To make the change permanent you need to cli

ck on Tools

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(at the top of the page) and select System Commands . At the system commands page, click on Save All .

4.4.1.2 PPPoA Connection Setup

PPPoA is also known as RFC 2364. It is a method of encapsulating PPP packets over ATM cells which are carried over the DSL line. PPP or Point-to-Point protocol is a method of establishing a netwo mechanism of authenticating users. LLC and VC are two different methods of encapsulating the PPP packet. Contact your ISP to make sure which encapsulation is being suppo

By selecting PPPoA, you are forcing your gateway to terminate the PPPoA connection. The advantage is that the PPPoA termination is done within the gateway and not on your PC; this f

rees up your PC resou

rk connection / session between network hosts. It usually provides a

rted.

rces and allows multiple users to utilize the PPPoA connection.

To configure the gateway for PPPoA default PPPoE connection setup is displayed. At the Type field select P connection setup page is displayed; figure 5 illustrates a typical PPPoA configuration. Give your PPPoA connection a unique name; the name must not have spaces and cannot begin with numbers. In this case the unique name is called P (LLC or VC); if you are not sure just use the default mode. Select the VPI and VCI settings; your DSL service provider or your ISP will supply these; in this case the DSL service provider is using 0,40. Also select the quality of service (QOS); leave the default value if you are unsure or the ISP did not provide this information.

Following is a description of the different options:

a. Username: The username for the PPPoA access; this is provided by your DSL

service provider or your ISP.

b. Password: The password for the PPPoA access; this is provided by your DSL

service provider or your ISP.

c. On-Demand: Enables on-demand mode. The connection will disconnect if no

activity is detected after the specified idle timeout value.

d. Idle Timeout: Specifies that PPPoA conne

no activity detected for n seconds. This field is used in conjunction with the OnDemand feature. To ensure that the link is

e. Keep Alive: When on-demand option is not enable, this value specifies the time to

wait without being connected to your provider before terminating the connection. To ensure that the link is always active, enter a 0 in this field.

f. Maxfail: As long as a DSL connection is established, the gateway will attempt to

establish a PPPoA connection. If after n consecutive failed connection attempts the gateway will wait for some random time before trying to establish the

connection again. A value of 0 means no limit. g. Set Route: Specify this connection as the default-route. h. MRU: Maximum Receive Unit the DSL connection can receive. It is a negotiated

value that asks the provider to send packets of no more than n bytes. The

maximum specified value is 1500 although some DSL/ISP providers require a

larger value. The minimum MRU value is 128. i. Debug: Enables PPPoA connection debuggi

about later.

, click on Setup and then click on New Connection. The

PPoA and the PPPoA

PPOA1. Select the encapsulation type

ction should disconnect if the link has

always active, enter a 0 in this field.

ng facilities. Debugging is talked

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Figure 5 (PPPoA Connection Setup)

To complete the connection you must now click the apply button. The apply button will temporarily save this connection. To make the change permanent you need to cli (at the top of the page) and select System Commands . At the system commands page, click on Save All .

4.4.1.3 PPPoE Connection Setup

PPPoE is also known as RFC 2516. It is a method of encapsulating PPP packets over Ethernet. PPP or Point-to-Point protocol is a method of establishing a network connection/session between network hosts. I users.

t usually provides a mechanism of authenticating

ck on Tools

To configure the gateway for PPPoE default PPPoE connection setup is displayed. At the Type field select P connection setup page is displayed; figure 6 illustrates a typical PPPoE configuration. Give your PPPoE connection a unique name; the name must not have spaces and cannot begin with numbers. In this case the unique name is called P (LLC or VC); if you are not sure just use the default mode. Select the VPI and VCI settings; your DSL service provider or your ISP will supply these; in this case the DSL service provider is using 0,30. Also select the quality of service (QOS); leave the default value if you are unsure or the ISP did not provide this information.

Following is a description of the different options:

j. Username: The username for the PPPoE access; this is provided by your DSL

service provider or your ISP. k. Password: The password for the PPPoE access; this is provided by your DSL

service provider or your ISP. l. On-Demand: Enables on-demand mode. The connection will disconnect if no

activity is detected after the specified idle timeout value. m. Idle Timeout: Specifies that PPPoE conne

no activity detected for n seconds. This field is used in conjunction with the On-

Demand feature. To ensure that the link is

, click on Setup and then click on New Connection. The

PPoE and the PPPoE

PPOE1. Select the encapsulation type

ction should disconnect if the link has

always active, enter a 0 in this field.

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n. Keep Alive: When on-demand option is not enable, this value specifies the time to

wait without being connected to your provider before terminating the connection.

To ensure that the link is always active, enter a 0 in this field. o. Maxfail: As long as a DSL connection is established, the gateway will attempt to

establish a PPPoE connection. If after n consecutive failed connection attempts

the gateway will wait for some random time before trying to establish the

connection again. A value of 0 means no limit. p. Set Route: Specify this connection as the default-route. q. MRU: Maximum Receive Unit the DSL connection can receive. It is a negotiated

value that asks the provider to send packets of no more than n bytes. The

maximum specified value is 1500 although some DSL/ISP providers require a

larger value. The minimum MRU value is 128. r. Enforce MRU: Check this box if you e

over a PPPoE connection. This feature will force all TCP traffic to conform with

PPP MRU by changing TCP Maximum Segment Size to PPP MRU. s. Debug: Enables PPPoE connection debugging facilities. Debugging is talked

about later.

xperience problems accessing the Internet

Figure 6 (PPPOE Connection Setup)

4.4.1.4 DHCP Connection Setup

Dynamic Host Configuration Protocol (DHCP) allows the gateway to automatically obtain the IP address from the server. This option is commonly used in situations where IP is dynamically assigned and is not known prior to assignment.

ck on Tools

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To configure the gateway for a DHCP connection, click on Setup and then click on New

Connection. The default DHCP connection setup is displayed. At the Type field select D

and the DHCP conne configuration. Give your DHCP connection a unique name; the name must not have spaces and cannot begin with numbers. In this case the unique name is called D encapsulation type (LLC or VC); if you are not sure just use the default mode. Select the VPI and VCI settings; your DSL service provider or your ISP will supply these; in this case the DSL service provider is using 0,35. Also select the quality of service (QOS); leave the default value if you are unsure or the ISP did not provide this information.

If your DSL line is connected and your DSL/ISP provider is supporting DHCP, you can click the renew button and the gateway will retrie address. At anytime, you can renew the DHCP address by clicking on the renew bu most cases you will never have to use this button.

ction setup page is displayed; figure 7 illustrates a typical DHCP

HCP1. Select the

ve an IP address, Subnet mask, and Gateway

HCP

tton; in

Figure 7 (DHCP Connection Setup)

To complete the connection you must now click the apply button. The apply button will temporarily save this connection. To make the change permanent you need to click on (at the top of the page) and select System Commands . At the system commands page, click on Save All .

4.4.1.5 S

Static is used whenever a known static IP is assigned. The accompanying information such as the Subnet mask and the gateway should also be specified. Up to three Domain Name

DNS) addresses can also be specified. These servers would enable you to have

erver (

S access to other web servers. Valid IP addresses range is from 0.0.0.0 to 255.255.255.255.

Tools

tatic Connection Setup

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To configure the gateway for a Static connection, click on Setup and then click on New

Connection. The default Static connection setup is displayed. At the Type field select Static

and the Static connection setup page is displayed; figure 8 illustrates a typical Static configuration. Give your Static connection a unique name; the name must not have spaces and cannot begin with numbers. In this case the unique name is called STATIC1. Select encapsulation type (LLC or VC); if you are not sure just use the default mode. Select the VPI and VCI settings; your DSL service provider or your ISP will supply these; in this case the DSL service provider is using 0,35. Also select the quality of service (QOS); leave the default value if you are unsure or the ISP did not provide this information. You can also enable

etwork A

N the default mode.

Based upon the information your DSL/ISP provided, enter your assigned IP address, Subnet Mask, Default Gateway (if provided), and Domain Name Services (DNS) values (if provided). For the static configuration, you can also sele Since static IP address is typically used to host WEB servers, you may want to use a bridge

onnection.

ddress Translation (NAT) and the Firewall options. If you are unsure, leave these in

ct a bridge connection or a routed connection.

the

Figure 8 (Static IP Connection Setup)

4.4.1.6 Classical IP over ATM Connection Setup

The Classical IP over ATM (CLIP) support provides the ability to transmit IP packets over an ATM network, SOHOSpeed ADSL Gateway’s CLIP support will encapsulate IP in an AAL5 packet data unit (PDU) frame using RFC1577and it utilizes an ATM aware version of the ARP protocol. (ATMARP. SOHOSpeed ADSL Gateway’s CLIP support only allows for PVC support; it does not support SVC.)

Tools

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To configure the gateway for a CLIP connection, click on Setup and then click on New

Connection. The default CLIP connection setup is displayed. At the Type field select CLIP

and the CLIP connection setup page is displayed; figure 9 illustrates a typical CLIP configuration. Give your CLIP connection a unique name; the name must not have spaces and cannot begin with numbers. In this case the unique name is called CLIP1. Select and VCI settings; your DSL service provider or your ISP will supply these; in this case the DSL service provider is using 0,35. Also select the quality of service (QOS); leave the default value if you are unsure or the ISP did not provide this information.

the VPI

Figure 9 (CLIP Connection Setup)

Tools

4.4.2 Modify an Existing Connection

To modify an existing connection, from the Home screen, click setup and then click the connection you want to modify. The connections are li Connection 8.

As a note, if you delete the connection, to make the change permanent you need to click on Tools (at the top of the page) and select System Commands . At the system commands

lick on Save All .

age, c

sted as Connection 1 through

4.4.3 Modem Setup

To configure the DSL modulation type, go to the Home screen, Click setup. Under WAN Setup, select Modem Setup. This will bring up the modem setup screen. Leave the default value if you are unsure or the DSL/ISP did not provide this information. For most all cases, this screen should not be modified.

The apply button will temporarily save this connection. To make the change permanent you

o click on Tools (at the top of the page) and select System Commands . At the system

eed t

n commands p

age, click on Save All .

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4.5 Configuring the WLAN

Before you can use the wireless to access Internet or wire LAN via the modem, you must enable the AP functionality of this modem first. You can enable it following below setting,

Setup SSID .

Note: you must Restart Access Point for Wireless changes to take effect.

Wireless Enable AP . Then you can select a channel to use and entry your AP’s

Enable AP: enable/disable AP functionality Channel: select the working channel this AP will used SSID: service set ID Advanced: additional parameter setting

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Following is a description of the different options:

Beacon Period: Beacon is a special broadcast packet sent by AP, the unit is 1024 us

DTIM Period: Delivery Traffic Indication Message (DTIM), if AP have broadcast packets need to transmit in Beacon packet will include this parameter, to indicates the number of Beacon intervals between successive DTIMs, default value is 2

RTS Threshold: if the packet size is large than this value, AP will start RTS/CTS transmitted, default value is 2347 bytes

Frag Threshold: if the packet size is large than this value, AP will fragment this packet, default value is 2346 bytes

Power Level: adjust the Tx power level, there have 5 levels you can choice, Full, 50%, 25%, 12% and 6%, default is Full power

b/g Mode: select the operation mode of wirele default is Mixed

Hidden SSID: by default SSID information will include in the beacon packet to notice user, for security issue you can remove SSID from beacon.

ss, Mixed (b and g), b only, b+ (22M) and g only,

4.6 Configuring the LAN

By default, your gateway has DHCP server (LAN side) enabled. If you already have a DHCP server running on your network, you must disable one of the two DHCP second DHCP server into the network, you will e not function normally.

xperience network errors and the network will

servers; if you plug a

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4.6.1 Enable/Disable DHCP

To enable or disable DHCP go to the Home screen, Click setup. Under LAN Setup, select DHCP Configuration. This will brin

The Start IP Address is where the DHCP server starts issuing IP addresses. This value must be greater than the gateways IP address value. For example if the gateways IP address is

192.168.1.1 (default) than the starting IP address must be 192.168.1. 2 (or highe

g up the screen shown in Figure 10.

r).

The End I address cannot exceed a subnet limit of 254. Hence the max value for our default gateway is

192.168.1.254. If the DHCP server runs out of DHCP addresse networ or reduce the lease time.

The Lease Time is the amount of time a network user will be allowed connection to the Gateway with their current dynamic IP address. The amount of time is in units of seconds; the default value is 3600 seconds (1 hour).

Note: If you change the start or end values, make sure the values are still within the same subnet as the gateways IP address. In other words, if the gateways IP address is 192.168.1.1 (default) and you change the DHCP start/end I you will not be able to communicate to the gateway if your PC has DHCP enabled.

P Address is where the DHCP server stops issuing IP addresses. The ending

s, users will not get access to

k resources. If this happens you can increase the Ending IP address (to the limit of 255)

P addresses to be 192.128.1.2/192.128.1.100,

Figure 10 (DHCP Server configuration)

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In addition to the DHCP server feature, the gateway supports the DHCP relay function. When the gateway is configured as DHCP server, it assigns the IP addresses to the LAN clients. When the gateway is configured as DHCP relay, it is responsible for forwarding the reque and responses negotiating between the DHCP clients and the server. See figure 11.

Figure 11 (Example of a DHCP Relay configuration)

By turning off the DHCP server and relay the network administrator must carefully configure the IP address, Subnet Mask and DNS settings of every computer on your network. Do not assign the same IP address to more than one computer and your Gateway must be on the same subnet as all the other computers.

sts

The apply button will temporarily save this connection. To make the change permanent you

o click on Tools (at the top of the page) and select System Commands . At the system

eed t

n commands p

age, click on Save All .

4.6.2 Changing the gateways IP address

You can change the gateway’s IP address by going to the Home screen, click setup and under LAN Setup, select Management. This will bring up the screen shown in Figure 12.

4.6.2.1 Static IP address assignment

Your gateway’s default IP address and subnet ma subnet mask will allow the gateway to support 254 users. If you want to support a larger number of users you can change the subnet mask; but remember. The DHCP server is defaulted to only give out 255 IP addresses. Further remember that if you change your gateways’ IP address and you have DHCP enabled, the DHCP configuration must reside within the same subnet.

The default gateway is the routing device used to forward all traffic that is not addressed to a station within the local subnet. Your ISP will provide you with the default gateway Address.

igure 1

F gateway defined when the CLIP c

The hostname can be any alphanumeric word that does not contain spaces. The domain name is used to in conjunction with the host name to uniquely identify the gateway. To access the gateway’s web pages the user can type 192.168.1.1 (the gateway’s default IP address) or type mygateway.ar7.

2 shows a default gateway address of 10.247.16.1 because this was the default

onnection was configured.

sk are 192.168.1.1/255.255.255.0; this

Page 22

Figure 12 (Management IP address)

The apply button will temporarily save this connection. To make the change permanent you n

o click on Tools (at the top of the page) and select System Commands . At the system

eed t

commands p

age, click on Save All .

4.6.3 Firewall/NAT Services

You can enable or disable Firewall and NAT by going to the Home screen, click setup and under LAN Setup, select Firewall/NAT Services. By unselecting the “Enable Firewall and NAT Services” button the firewall and NAT services is disabled for all W

The apply button will temporarily save this connection. To make the change permanent you n

o click on Tools (at the top of the page) and select System Commands . At the system

eed t

commands p

age, click on Save All .

AN connections.

4.7 Advanced

The gateway supports a host of advanced features. For basic Gateway functionality, the user does not need to utilize these advanced features. The features help with routing, security, port configuration, and plug and play capability.

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4.7.1 Wireless Security

For security issue, when you using wireless you probable want to enable wireless security functionality, there have three methods of security supported in this modem. Following the

uction Adva

nstr

nced Wireless Security , by default security is disable.

None: By default, the wireless security functionality is disabled WEP: defined in IEEE802.11, this modem support 64, 128 and 256 bits encryption key

802.1x: IEEE802.1x with RADIUS Server support WPA: support both 802.1x with RADIUS Server and PSK (pre shared key)

4.7.1.1 WEP

First you have to enable WEP, and then choice one of the four key sets and key length, finally entry the encryption key word. The number of digits of encryption key word is depend on which key length you selected, enter 10, 26, or 58 hexadecimal digits for 64, 128 or 256 bit Encryption Keys respectively. e.g., AA AA AA AA AA for a key length of 64 bits.

Page 24

Notice that after you change any parameters of Wireless, you must Restart the AP.

4.7.1.2 802.1x

Before you used 802.1x to secure your WLAN, you need to setup RADIUS Server to provide authentication service, then you type the IP of the RADIUS Server in Server IP Address record, and secret key in Secret record.

Page 25

Following is a description of the different options:

Port: the RADIUS Server’s TCP/IP port number Group Key Interval: one problem of WEP is WEP never change the encapsulation key, RADIUS can fix this problem by renew key in a time period.

4.7.1.3 WPA

WPA is instructed by 802.1x, EAP and TKIP, but for SOHO environment, where there are no central authentication servers or EAP framework, WPA provide another method for such environment call Pre-Shared Key (PSK).

Regarding 802.1x, the setup is description as before. To use PKI, you only have to do is type a secret key in it.

Page 26

4.7.2 Wireless Management

There have three methods to help administrator to manage Wireless, Access List, Associated Stations and Multiple SSID.

4.7.2.1 Access List

You can allow/ban a user to access Internet via wirele access l

ist.

ss by put its MAC address on this

1. Enable Access List functionality

2. Selection this is a Allow or Ban list

If you select Allow list, by default, no one can pass through this AP after you put its MAC address on this lis

If you select Ban list, by default, anyone can pass through this AP after you put someone’s MAC address in this list, then it will be reject to access via this AP.

3. You can manually type the MAC address which you want to Allow/Ban assceed.

4. Click the Apply button

5. Don’t forget to restart Acces

s Point

Page 27

4.7.2.2 Associated Stations

You can see a user information list that is assoc by click the Ban Station button on the left side in each row.

iated with this AP, you can reject its access

Page 28

4.7.2.3 Multiple SSID

This functionality can not used combine with any wireless security functionality, you must disable wireless security function before use it.

To enable this functionality, just select Enable Multiple SSID , type a new SSID and click A button.

Page 29

4.7.3 UPnP

UPnP NAT and Firewall Traversal allow traffic to pass-thru the Gateway for applications using the UPnP protocol. This feature requires one active DSL connection. In presence of multiple DSL connections, select the one over which the incoming traffic will be present, for example the default Internet connection.

To enable UPnP, you must first have a WAN conne is configured, from the Home screen, click Advanced and under Advanced, select UPnP. This will bring up the screen shown in Figure 13. You must enable UPnP and then select which connection will utilize UPnP.

ction configured. Once a WAN connection

Figure 13 (Management IP address)

The apply button will temporarily save this connection. To make the change permanent you

o click on Tools (at the top of the page) and select System Commands . At the system

eed t

n commands p

age, click on Save All .

Page 30

4.7.4 Port Forwarding

Using the Port Forwarding page, you can provide local services (for example web hosting) for people on the Internet or play Internet games. When users send this type of request to your network via the Internet, the Gateway will forward those requests to the appropriate PC. Port

orwarding c

f is dynamic (not static). For ex want to assign this server a static IP address so that the IP address is not reassigned. Also remember that if an Internet user is trying to access an Internet application, they must use the WAN IP address. The port forwarding will translate the WAN IP address into a LAN IP

ddress.

To configure a service, game, or other application select the external connection (for example the Internet connection), from the Home screen, click Advanced and under Advanced, select Port Forwarding. Next select the compute firewall rule. If you want to add a custom application, sele fill in the port, protocols and description for your application.

an be used with DHCP assigned addresses but remember that a DHCP address

ample, if you were configuring a netmeeting server, you would

r hosting the service and add the corresponding

ct the User category, click New and

For example, if you want to host a Netmeeting session, from the Home s Advanced and under Advanced, select Port Forwarding. First select the IP address for your Netmeeting server. Next select the Audio/Video category and add Netmeeting to the applied rules box. To view the management rules, highlight Netmeeting and select view; this will display the pre configured protocols and ports that Netmeeting will use. Now assuming that your W are on the Internet. If you know your WAN IP a a typical Port Forwarding configuration.

AN connection is correct, you can run Netmeeting from your server and call users that

ddress, users can call you. Figure 14 illustrates

creen, click

Figure 14 (Port Forwarding: Netmeeting)

The apply button will temporarily save this connection. To make the change permanent you n

o click on Tools (at the top of the page) and select System Commands . At the system

eed t

commands p

age, click on Save All .

Page 31

4.7.5 Advanced Security

In the presence of the firewall, anonymous Internet traffic is blocked. Using the advanced security features, you can redirect this traffic to a dedicated computer on your local network (DMZ) or open the access f

ateway's firewall and NAT services (port forwarding, access control) can be disabled for

The G all interfaces by un-checking the "Enable Firewall and NAT Service"

To enable any of the advanced security features, from the Home screen, click Advanced and under Advanced, select Advanced Security. Figure 15 illustrates the typical advanced security configuration.

rom the Internet to the Gateway's management ports (web, telnet).

Figure 15 (Advanced Security)

The apply button will temporarily save this connection. To make the change permanent you

o click on Tools (at the top of the page) and select System Commands . At the system

eed t

n commands p

4.7.5.1 DMZ configuration

tting a computer (on your local network) as a DMZ forwards any network traffic that is not redirected to another computer via the port-forwarding feature to the computer's IP address. This opens the access to the DMZ computer from the Internet.

4.7.5.2 Enable Remote Web

Enabling the Remote Web on your local network allows Web requests that come from the Internet to be re-routed to a Web Server that is on a different subnet. This is different that the Web server rule that is configurable via the port-forwarding page. In this case, the web server is on a different subnet.

age, click on Save All .

Page 32

4.7.5.3 Enable Remote Telnet

Enabling the Remote Web on your local network allows telnet requests that come from the Internet to be re-routed to a telnet Server that is on a different LAN IP subnet. This is different that the telnet server rule that is configurable via the port-forwarding page. In this case, the telnet server is on a different subnet.

4.7.5.4 Enable Incoming ICMP Ping

Enabling the Incoming Internet Control Message Protocol (ICMP) Ping will allow Echo requests to come into the gateway. The gateway will respond with an ICMP Echo response message. The option allows the DSL provider or ISP to determine the following:

a. The status of the network.

racking and isolating hardware and software problems.

b. T c. Testing, measuring, and managing networks.

4.7.6 Access Control

Access control can also be called port blocking. Specific types of traffic that is destined to a

cted LAN IP address can be blocked. To enable any of the Access Control features, from

sele the Home s to the port-forwarding page appears. Similar to the port-forwarding page, an I be added to a rule. All Access Control rules have precedence over rules that were added via the port-forwarding page.

The apply button will temporarily save this connection. To make the change permanent you

eed t

n commands p

creen, click Advanced and under Advanced, select Access Control. A page similar

P address can

o click on Tools (at the top of the page) and select System Commands . At the system

age, click on Save All .

4.7.7 LAN clients

To add a LAN client, from the Home screen, click Advanced and under Advanced, select LAN Clients. If DHCP is used, all DHCP clients are automatically assigned. If a fixed IP address server is on the LAN and you want this server to be visible via the WAN, you must add its IP addres Control rules to this IP address.

The apply button will temporarily save this connection. To make the change permanent you n commands p

s. Once the I

o click on Tools (at the top of the page) and select System Commands . At the system

eed t

age, click on Save All .

P address has been added to you can apply Port Forwarding and Access

4.7.8 Bridge Filters

The bridge filtering mechanism provides a way for the users to define rules to allow/deny frames through the bridge based on sou frame type. When bridge filtering is enabled, each frame is examined against the defined filter rules sequentially, and when a matched is determined, the appropriate filtering action (determined by the access type selected ... i.e. allow or deny) is performed. The user should note that the bridge filter will only examined frames from interfaces which are part of the bridge itself. Twenty filter rules are supported with bridge filtering. To enable Bridge Filters, from the Home s illustrates a typical Bridge filter configuration.

creen, click Advanced and under Advanced, select Bridge Filters. Figure 16

rce MAC address, destination MAC address and/or

Page 33

The User Interface for Bridge Filter allows the user to add/edit/delete, as well as, enables the filter rules. To add rules, simply define t and frame type with desired filtering type (i.e. allow/deny), and press the “Add” button. The MAC address must be in a xx-xx-xx-xx-xx-xx format, with 00-00-00-00-00-00 as “don’t care”.

lanks c

To edit/modify an existing filter rule, select the desired rule created previously from “Add” in the “Edit” select box. The selected filter rule will appear on top section, as with the “Add” filter rule. Make the desired change to the MAC addres “Apply”.

To delete filter rule(s), select the filter rule entry to delete in the “Delete” selection box. Note that multiple deletions are possible. Once all the desired filter rule(s) is/are sele deletion, press the “Apply” button. The “Select All” select box can also be used to delete the entire filter rule. It provides a quick method of selecting all filter rules for deletion.

The “Enable Bridge Filters” button allow the user to enable or disable bridge filtering. It can be set/unset during any add/edit/delete operation. It can also be set/unset independently by just pressing the “Apply” button.

an be used in the MAC address space, and would be considered also as “don’t care”.

he source MAC address, destination MAC address

s, frame type and/or access type, and press

cted for

Figure 16 (Bridge Filters)

Note: The bridge filter table contains 3 hidden rules. These rules are entered automatically by the system to ensure the user does not "lock" them out of the system. The first rule allows any and all ARP frames through the system. The second rule allows all IPv4 frames with the destination MAC address of the bridge to go through. The third rule allows all IPv4 frames with the source MAC address of the bridge to go through.

Page 34

Tip: On a windows based machine, to find a MAC address, at a DOS prompt type ipconfig /all.

The apply button will temporarily save this connection. To make the change permanent you

o click on Tools (at the top of the page) and select System Commands . At the system

eed t

n commands p

age, click on Save All .

4.7.9 Multicast

Multicasting is a form of limited broadcast. UDP is used to send datagrams to all hosts that belong to what is called a "host group." A host group by the same destination IP address. The following statements apply to host groups.

a. Anyone can join or leave a host group at will. b. There are no restrictions on a ho c. There are no restrictions on the number of members that may belong to a host

group. d. A host may belong to multiple host groups. e. Non-group members may send UDP datagrams to the host group.

st's location.

is a set of zero or more hosts identified

Multicasting is useful wh if one device is responsible for acquiring data that many other devices need, then multicasting is a natural fit. Note that using multicasting as opposed to sending the same data to individual devices uses le

To enable Multicasting, from the Home screen, click Advanced and under Advanced, select Muliticast. Figure 17 illustrates a typical Multicast configuration.

ss network bandwidth.

en data needs to be sent to more than one other device. For instance,

Figure 17 (Multicast)

The apply button will temporarily save this connection. To make the change permanent you

o click on Tools (at the top of the page) and select System Commands . At the system

eed t

n commands p

age, click on Save All .

Page 35

4.7.10 Static Routing

If the Gateway is connected to more than one network, you may need to set up a static route between them. A static route is a pre-defined pathway that network information must travel to reach a specific host or network. You can use static routing to allow different IP domain users to access the Internet through the Gateway.

The New Destination IP is the address of the remote LAN network or host to which you want to assign a static route. Enter the IP address of the host for which you wish to create a static route here. For a standard Class C IP domain, the network address is the first three fields of the New Destination IP, while the last field should be 0. The Subnet Mask identifies which portion of an IP address is the network portion, and which portion is the host portion. For a full Class C Subnet, the Subnet Mask is 255.255.255.0. The Gateway IP address should be the IP address of the gateway device that allows for contact between the Gateway and the remote network or host. The Hop Count determines the maximum number of steps between network nodes that data packets will travel. A router or swi

To enable Static Routing, from the Home screen, click Advanced and under Advanced, select Static Routing. Figure 18 illustrates a typical Static Route.

tch).

node is any device on the network (such as a

Figure 18 (Static Routing)

The apply button will temporarily save this connection. To make the change permanent you

o click on Tools (at the top of the page) and select System Commands . At the system

eed t

n commands p

age, click on Save All .

Page 36

4.7.11 Dynamic Routing

Dynamic Routing allows the Gateway to automatically adjust to physical changes in the network. The Gateway, using the RIP protocol, determines the network packets’ route based on the fewest number of hops between the source and the destination. The RIP protocol regularly broadcasts routing information to other routers on the network.

The Direction determines the direction that RIP routes will be updated. Selecting In means that the Gateway will only incorporate received RIP information. Selecting Out means that the Gateway will only send out RIP information. Selecting both means that the Gateway will incorporate received RIP information and send out updated RIP information.

The protocol is dependent upon the entire network. Most networks support Rip v1. If RIP v1 is selected, routing data will be sent in RIP v1 format. If Rip V2 is selected, routing data will be sent in RIP v2 format using subnet broadcasting. If Rip V1 Compatible is selected, routing data will be sent in RIP v2 format using multicasting.

To enable Dynamic Routing, from the Home s select Dynamic Routing. Figure 19 illustrates a typical Dynamic Route.

creen, click Advanced and under Advanced,

Figure 19 (Dynamic Routing)

The apply button will temporarily save this connection. To make the change permanent you n

o click on Tools (at the top of the page) and select System Commands . At the system

eed t

commands p

age, click on Save All .

Page 37

4.8 Tools

The gateway supports a host of tools which will allow you to customize and debug your gateway.

4.8.1 System Commands

To make the changes permanent you need to click on Tools (at the top of the page) and

lect System Commands . The following commands are used to configure the gateway:

a. Save all: Press this button in order to permanently save the current configuration of

the Gateway. If you do re-start the system without saving your configuration, the Gateway will revert back to the previously saved configuration.

b. Restart: Use this button to re-start the system. If you have not saved your

configurations, the Gateway will revert ba upon re-starting. NOTE: Connectivity to the unit will be lost. You can reconnect after the unit reboots.

c. Restore Defaults: Use this button to restore factory default configuration. NOTE:

Connectivity to the unit will be lost. You can reconnect after the unit reboots.

4.8.2 Remote Log

The remote log feature is used in conjunction with the PC tool (software provided with your gateway). For PPPoE and PPPoA connections, you can select debug if you want to log the connection information. This is helpful when trying to debug connection problems.

The remote log feature will forward all logged information to the remote PC. The type of information forwarded to the remote PC depends upon the Log level. Each log message is assigned a severity level, which indicates how seriously the triggering event affects Gateway functions. When you configure logging, you must specify a severity level for each facility; messages that belong to the facility and are rated at that level or higher are logged to the destination.

ck to the previously saved configuration

Table 1 defines the different severity levels.

To forward logging information, you need to click on Tools (at the top of the page) and select Remote Log .

Table 1 (Severity Level)

Page 38

4.8.3 User Management

You can change your gateway’s username and password by going to the Home screen, under the tools menu, cli and password. You can also change the idle timeout; you will need to log back onto the gateway once the timeout expires.

If you forget your password, you can press and hold the reset to factory defaults button for 10 seconds (or more). The gateway will reset to its factory default configuration and all custom configurations will be lost.

The apply button will temporarily save this connection. To make the change permanent you

o click on Tools (at the top of the page) and select System Commands . At the system

eed t

n commands p

age, click on Save All .

ck User Management. From here you can change the login name

4.8.4 Update Gateway

You can remotely upgrade the gateway’s firmware by going to the Home screen, under the tools title, click Update Gateway. This will bring up the s SOHOSpeed ADSL Gateway will provide two different images; one image is the kernel (operating system) and the other image is the file system.

To upgrade the firmware, click browse, find the firmware file to download. Make sure this is the correct file. Cli complete the gateway will reboot. You will need to log back onto the gateway after the firmware upgrade is complete.

ck on upgrade firmware (as shown in Figure 20). Once the upgrade is

creen shown in Figure 19.

The firmware upgrade should take less that 5 minutes to complete. If it takes longer than 5 minutes, something has gone wrong.

Note: Do not remove power from the gateway during the firmware upgrade procedure.

Figure 20 (Update Gateway)

Page 39

4.8.5 Ping Test

Once you have your gateway configured, it is a good idea to make sure you can Ping the network. You can get to the Ping web p click Ping Test. Type the target address that you want to pin. If you have your PC connected to the gateway via the default DHCP configuration, you should be able to Ping the network address 192.168.1.1. If your ISP has provided their server address you can try to ping the address. If the pings for both the WAN and the LAN side complete, and you have the proper protocols configured, you should be able to surf the Internet.

By default when you select ping test, the gateway will ping itself 3 times. As shown in Figure 21, the gateway passed the Ping test; this basically means that the TCP/IP protocol is up and running. If this first Ping test does not pass, the TCP/IP protocol is not loaded for some reason; you should restart the modem.

age by going to the Home screen, under the Tools title,

Figure 21 (Ping test)

4.8.6 Modem Test

The Modem Test is used to check whether your Modem is properly connected to the WAN Network. This test may take a few seconds to complete. To perform the test, select your connection from the list and press the Test button. Before running this test, make sure you have a valid DSL link; if the DSL link is not connected, this test will always fail.

Also the DSLAM must support this feature; not all DSLAMs have F4 and F5 support.

4.8.7 UI Support

If you are having difficulty viewing the gateways’ web pages, you can change the resolution. You can get to the UI support page by going to the Home screen, under the Tools title, click UI support. The modem supports 640x480, 800x600, and 1024x780 (default).

Page 40

4.9 Status

The Status section allows you to view the Status/Statistics of different connections and interfaces.

4.9.1 Network Statistics

Select to view the Statistics of different interfaces - Ethernet/USB/DSL.

4.9.2 Connection Status

Select to view the Status of different connections.

4.9.3 DHCP Clients

Select to view the list of DHCP clients.

4.9.4 Modem Status

Select to view the Status and Statistics of your broadband (DSL) connection.

4.9.5 Product Information

You can display the gateway’s driver and run-time information by going to the Home screen, under the Status title, click Product Information. Figure 22 illustrates the typical product information, which is provided.

Figure 22 (Product Information)

4.9.6 System Log

You can display the Gateway’s log by going to the Home screen, under the Status title, click System log. From here you can view all logged information. Depending upon the severity level, this logged info will generate log reports to a remote host (if remote logging is enabled).

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SOHOSpeed ADSL Ethernet/Wireless Router User’s Guide

5. Appendix A: Troubleshooting

Below is a list of commonly asked questions. Before calling technical support, please look through these issues to see if they help solve your problem.

5.1 The gateway is not functional.

1. Check to see that the power LED is green and than the network cables are

installed correctly. Refer to the quick start guide for more details.

2. Check to see that the LAN and WAN LEDs are green.

3. Check to see that the DSL LED is green

4. Make sure you are not connecting the USB and the Ethernet port at the

same time. You must only use 1 interface at a time.

5. Check the settings on your PC. Again, refer to the quick start guide for

more details

6. Check the gateway’s settings.

7. From your PC, can you PING the gateway? Assuming that the gateway

has DHCP enabled and your PC is on the same subnet as the gateway, you should be able to PING the gateway.

8. Can you PING the WAN? Your ISP should have provided the IP address of

their server. If you can ping the gateway and your protocols are configured correctly, you should be able to ping the ISPs network. If you cannot PING the ISPs network, make sure your using the correct protocols with the correct VPI/VCI values.

9. Make sure NAT is enabled for your connection. If NAT is disabled you the

gateway will not route frames correctly.

5.2 I can’t connect to the gateway.

1. Check to see that the power LED is green and that the network cables are

installed correctly; see the quick start guide for more details.

2. Make sure you are not connecting the USB and the Ethernet port at the

same time. You must only use 1 interface at a time.

3. Make sure that your PC and the gateway is on the same network segment.

The gateway’s default IP address is 192.168.1.1. If you are running a Windows based PC, you can open a DOS window and type IPCONFIG; make sure that the network adapter that is connected to the gateway is within the same 192.168.1.x subnet.

4. Also, your PC’s Subnet Mask should match the gateways subnet mask.

The gateway has a default subnet mask of 255.255.255.0.

5. If this still does not work, press the reset button for 10 seconds. This will

place the gateway into its factory default state. Go through the above procedures again.

6. Make sure NAT is enabled for your connection. If NAT is disabled you the

gateway will not route frames correctly.

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SOHOSpeed ADSL Ethernet/Wireless Gateway User’s Manual

5.3 The LEDs blink in a sequential pattern.

This typically means that either the kernel or flash file system is corrupted. The only way to recover from this type of failure is via the PC tool. You need to install the PC tool that was provided with SOHOSpeed ADSL Gateway and perform the following steps:

1. In windows disable all network adapters except the one, which is

connected to the gateway.

2. Disable zone alarm or any IP blocking software that is running of the PC.

3. Run the PC tool application. At the IP address prompt, type 192.168.1.1

and retrieve/assign IP address. The PC application should come back with information about the gateway. You then need to load the kernel image, flash file system, and config.xml file to the flash.

4. Once all three codes have been loaded into the gateway, the gateway will

automatically reboot. As long as there is no problem with the Flash memory, the gateway should be functional and the LEDs should light correctly.

5.4 The DSL Link LED continues to blink but does not go solid.

1. This means that the DSL line is trying to train but for some reason it cannot establish a valid connection. The main cause of this is that you are too far away from the central office. Contact your DSL service provider for further assistance.

5.5 The DSL Link LED is always off.

1. Make sure you have DSL service. You should get some kind of information from your ISP which states that DSL service is installed. You can usually tell if the service is installed by listening to the phone line; you will hear some high-pitched noise. If you do not hear high-pitched noise, contact your ISP.

2. Verify that the phone line is connected directly to the wall and to the line input on the

gateway. If the phone line is connected to the phone side of the gateway or you have a splitter installed on the phone line, the DSL light will not come on.

Page 43

6. Gateway terms

What is a firewall?

A firewall is protection between the Internet and your local network. It acts similarly to the firewall in your car, protecting the interior of the car from the engine. Your car's firewall has very small opening that allow desired connections from the engine into the cabin (gas pedal connection, etc), but if something happens to your engine, you are protected. The firewall in the Gateway is very similar. Only the desired connections that you allow are

ssed through the firewall. These conne

pa network; s However, in some case like a web server.

What is NAT?

AT s What does this mean? Your ISP provides you wit the Internet through. However, you may have several machines on your local network that want to access the Internet at the same time. The Gateway provides NAT functionality that converts your local network addresses to the single network address provided by your ISP. It

eeps t

k correct local m Occasionall some specialty applications have a bit of troubl to handle the vast majority of these tro problems when you want to run a SERVER though. When running a server, please see the DMZ section below.

uch as web browsing, checking your email, downloading a file, and playing a game.

s, you can allow incoming connections so that you can run programs

tands for Network Address Translation. Another name for it is Connection Sharing.

rack of all these connections and makes sure that the correct information gets to the

achine.

y, there are certain programs that don't work well through NAT. Some games, and

ctions are normally originating from the local

h a single network address for you to access

e. The Gateway contains special functionality

ublesome programs and games. NAT does cause

What is a DMZ?

DMZ really stands for Demilitarized Zone. It is a way of separating out part of your local network so that is more open to the Internet. Suppose that you want to run a web-server, or a game server. No The solution is to "isolate" the single local computer into a DMZ. This makes the single computer look like it is directly on the Interne Your machine isn't really directly connected to the Internet, and it really has an internal local network addre the address of the Gateway. The Gateway "fakes" the connection to your machine. You should use the DMZ when you want to run a server that others will access from the Interne the DMZ

What is a Gateway?

The Internet is so large that a single network cannot handle all of the traffic and still deliver a reasonable level of service. To overcome this limitation, the network is broken down into smaller segmen that segment. This segmentation solves the pr but introduces the problem of getting traffic from one subnet to another.

To accomplish thi machine wishes to contact another device on the same segment, it transmits to that station directly using a simple discovery technique. If the target station does not exist on the same segment as the source station, then the source actually has no idea how to get to the target.

One of the configuration parameters tr This address is configured by the network admini computer or other network device where to send data if the target station does not reside on the same subnet as the source. If your machine can reach all s (usually a building or a sector within a building), but cannot communicate outside of this area, it is usually because of an incorrectly configured default gateway.

t. Internal programs and servers (like print servers, etc) should NOT be connected to

rmal servers like these are blocked from working by the NAT functionality.

t, and others can access this machine.

ss. When you provide the servers network address to others, you must provide

ts or subnets that can deliver good performance for the stations attached to

oblem of supporting a large number of stations,

s, devices called routers or gateways are placed between segments. If a

ansmitted to each network device is its default gateway.

strators and it informs each personal

tations on the same subnet

OVISLINK EVO-WR54ADSL User Manual

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