Siemens sl2-141 User Manual

SL2-141/SL2-141-I ADSL Router

User’s Manual

Rev: 1.3

2006/1/18

No part of this publication may be reproduced in any form by any means without the prior written permission. Other

trademarks or brand names mentioned herein are trademarks or registered tradema rks of their re spect ive compan ies.

This manual currently suits for SL2-141/SL2-141-I.

Safety Notes

For Installation

For Using

 Use only the type of power source indicated on the marking labels.  Use only power adapter supplied with the product.  Do not overload wall outlet or extensio n cords as this may increase the risk of

electric shock or fire. If the power cord is frayed, replace it with a new one.

 Proper ventilation is necessary to prevent the product overheating. Do not block or

cover the slots and openings on the device, which are intended for ventilation and proper operation. It is recommended to mount the product with a stack.

 Do not place the product near any source of heat or expose it to direct sunlight.  Do not expose the product to moisture. Never spill any liquid on the product.  Do not attempt to connect with any computer accessory or electronic product

without instructions from qualifie d service personnel. This may result in risk of electronic shock or fire.

 Do not place this product on unstable stand or table.

 Power off and unplug this product from the wall outlet when it is not in use or

before cleaning. Pay attention to the temperature of the power adapter. The temperature might be high.

 After powering off the product, power on the product at least 15 seconds later.  Do not block the ventilating openings of this product.  When the product is expected to be not in use for a period of time, unplug the

power cord of the product to prevent it from the damage of storm or sudden increases in rating.

For Service

Warning

Caution

Do not attempt to disassemble or open covers of this unit by yourself. Nor should yo u attempt to service the product yourself, which may void the user’s authority to operate it. Contact qualified service personnel under the following conditions:

 If the power cord or plug is damaged or frayed.  If liquid has been spilled into the product.  If the product has been exposed to rai n or water.  If the product does not operate normally when the operating instructions a re

followed.

 If the product has been dropped or the cabinet has been damaged.  If the product exhibits a distinct change in performance.  This equipment must be installed and operated in accordance with prov ided

instructions and a minimum 20 cm spacing must be provided between computer mounted antenna and person’s body (excluding extremities of hands, wrist and fee t) during wireless modes of operation.

 This device complies with Part 15 of the F CC Rules. Operation is subject to the

following two conditions: (1) this device m ay not cause har mful in ter fer en ce , and (2) this device must accept any interference received, including interference that may cause undesired operation.

 Any changes or modifications not expressly approved b y the party respo nsible for

compliance could void the authority to operate equipment.

ADSL Router User Manual

FCC

This equipment must be installed and operated in accordance with provided instructions and a minimum 20 cm spacing must be provided between computer mounted antenna and person’s body (excluding extremities of hands, w rist and feet) during wireless modes of operation.

FCC Class B Notice

This device complies with Part 15 of the F CC Rules. Operation is subject to the following two conditions:

(1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired

operation.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipm ent can generate, use and radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio co mmunications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

z Reorient or relocate the receiving antenna. z Increase the separation between the equipment and receiver. z Connect the equipment into an outlet o n a circuit different from that to which the receiver is

connected.

z Consult the dealer or an experienced radio/television technician for help.

IC Statement

To prevent radio interference to the licensed service, this device is intended to be operate d indoors and away from windows to provide maximum shielding. Equipment (or its transmit antenna) that is installed outdoors is subject to licensing

ICES-003 Class B Notice - Avis NMB-003, Classe B

This Class B digital apparatus complies with Canad ian I CES-003. Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.

iii

Contents

Preface ..................................................................................................ix

Features........................................................................................................... ix

Unpacking ........................................................................................................ xi

Subscription for ADSL Service.......... ... ................................. ... .. ...........................xii

Chapter 1: Overview.............................................................................. 1

Physical Outlook .................................................................................................1

Chapter 2: System Requirement and Installation ....................................... 3

System Requirement...........................................................................................3

Choosing a place for the ADSL Router....................................................................3

Connecting the ADSL Router.................................................................................4

Install the USB Driver..........................................................................................5

Uninstall the USB Driver ......................................................................................9

Setting TCP/IP.................................................................................................. 17

Configure PC to get IP address from DHCP ........................................................... 28

Renew IP Address on Client PC ........................................................................... 30

Contents

Front Panel ..............................................................................................1

Rear Panel...............................................................................................2

For Windows ME .......................................................................................5

For Windows 2000 ....................................................................................5

For Windows XP........................................................................................7

For Windows ME .......................................................................................9

For Windows 2000 .................................................................................. 10

For Windows XP...................................................................................... 14

For Windows 98...................................................................................... 18

For Windows ME ..................................................................................... 21

For Windows NT ..................................................................................... 22

For Windows 2000 .................................................................................. 25

For Windows XP...................................................................................... 27

For Windows 98...................................................................................... 28

For Windows ME ..................................................................................... 28

For Windows NT ..................................................................................... 29

For Windows 2000 .................................................................................. 29

For Windows XP...................................................................................... 30

For Windows 98ME.................................................................................. 30

For Windows NT ..................................................................................... 31

For Windows 2000 .................................................................................. 32

For Windows XP...................................................................................... 32

Chapter 3: Connecting and Accessing Internet.......................................... 34

PPP over ATM (PPPoA) Mode............................................................................... 35

PPP over ATM (PPPoA) IP Extension Mode............................................................. 36

PPP over Ethernet (PPPoE) Mode......................................................................... 37

PPP over Ethernet (PPPoE) IP Extension Mode....................................................... 38

Numbered IP over ATM (IPoA) ............................................................................ 39

Numbered IP over ATM (IPoA)+NAT .................................................................... 41

Unnumbered IP over ATM (IPoA)......................................................................... 43

Unnumbered IP over ATM (IPoA)+NAT................................................................. 45

ADSL Router User Manual

Bridge Mode..................................................................................................... 47

Chapter 4: Web Configuration ............................................................. 48

Using Web-Based Manager................................................................................. 48

Outline of Web Manager........................................................................... 49

To Have the New Settings Take Effect........................................................ 49

Language .............................................................................................. 49

Quick Start ...................................................................................................... 50

Connect to Internet................................................................................. 50

Quick Setup........................................................................................... 50

Connection Type..................................................................................... 50

PPP over ATM/ PPP over Ethernet.............................................................. 52

IP over ATM........................................................................................... 55

Bridging ................................................................................................ 58

Status............................................................................................................. 60

Overview............................................................................................... 60

ADSL Line.............................................................................................. 61

Internet Connection ................................................................................ 62

Traffic Statistics...................................................................................... 62

DHCP Table............................................................................................ 62

Wireless Client ....................................................................................... 63

Routing Table......................................................................................... 63

ARP Table.............................................................................................. 63

Advanced Setup................................................................................................ 64

Local Network- IP Address ....................................................................... 64

Local Network - DHCP Server ................................................................... 64

Local Network – UPnP.............. ... ................................. .. ... ....................... 67

Internet-Connections Setting.................................................................... 67

Internet-DNS Server ............................................................................... 69

Internet-IGMP Proxy ............................................................................... 69

Internet - ADSL Settings.......................................................................... 70

IP Routing - Static Route ......................................................................... 70

ADSL Router............................................................................................. 72

IP Routing – Dynamic Routing .................................................................. 72

Virtual Server-Port Forwarding.................................................................. 74

Virtual Server-Port Triggering................................................................... 76

Virtual Server - DMZ Host ........................................................................ 77

Virtual Server - Dynamic DNS................................................................... 78

Firewall ................................................................................................. 79

Quality of Service ................................................................................... 81

Port Mapping.......................................................................................... 83

Wireless .......................................................................................................... 85

Basic..................................................................................................... 85

Security ................................................................................................ 87

Repeater ............................................................................................... 96

Management.................................................................................................... 97

Diagnostics............................................................................................ 97

Admin Account ....................................................................................... 98

Remote Access....................................................................................... 98

Interntet Time........................................................................................ 99

System Log............................................................................................ 99

SNMP Setting....................................................................................... 101

Backup Config...................................................................................... 102

Update Firmware .................................................................................. 102

Reset Router........................................................................................ 102

UPnP for XP ......................................................................................... 103

Contents

Chapter 5: Troubleshooting ............................................................... 105

Problems with LAN.......................................................................................... 105

Problems with WAN......................................................................................... 105

Problems with Upgrading ................................................................................. 106

Chapter 6: Glossary ........................................................................... 107

Appendix A: Specifications ................................................................ 111

Appendix B: Server Setup for 802.1x Client....................................... 113

Getting Client Certificate........................................................................ 113

Enable 802.1x authentication and Encryption for wireless card .................... 115

vii

ADSL Router User Manual

viii

Preface

Thank you for choosing the A symm etric D igita l Subscr iber Line (ADSL) Router. With the asymmetric technology, this device runs over stan dard copper phone lines. In addition, ADSL allows you to have both voice and data services in use simultaneously all over one phone line.

SL2-141/SL2-141-I Wireless ADSL2+ Router is a DSL broadband access device which allows ADSL connectiv ity while providing 802.11g wireless LAN capabilities for home or office users. It supports ADSL2/ADSL2+ and is backward compatib le to ADSL, even offers auto-negotiation capability for different flavors (G.dmt, G.lite, or T1.413 Issue 2) according to central offic e DSLAM’ s settings (Digital Subscriber Line Access Multiplexer). Also the feature-rich routing functions are seamlessly integrated to ADSL service for existing corporate or home users. Now users can enjoy various bandwidth-consuming ap plic atio ns v ia SL2-14 1/S L 2-141-I Wireless ADSL2+ Router.

Features

ADSL Compliance

³ ANSI T1.413 Issue 2 ³ ITU G .992.1 Annex A (G .dmt) ³ ITU G .992.2 Annex A (G .lite) ³ ITU G.994.1 (G.hs) ³ Support dying gasp ³ Maximum Rate: 8 Mbps for downstream and 1 Mbps for upstream

ADSL2 Compliance

³ ITU G .992.3 Annex A (G .dmt) ³ ITU G .992.4 Annex A (G .lite) ³ Maximum Rate: 12 Mbps for downstream and 1 Mbps for upstream

ADSL2+ Compliance

³ ITU G .992.5 Annex A (G .dmt) ³ Maximum Rate: 24 Mbps for downstream and 1.2 Mbps for upstream

Wireless LAN Compliance Features

³ IEEE 802.11g and IEEE 802.11b ³ Data Rate: 54, 48, 36, 24, 18, 12, 9, 6 Mbps for 802.11g/11, 5.5, 2, 1 Mbps for 802.11b ³ Modulation Technique: OFDM for 802.11g; CCK (11 M bps , 5.5 Mbps) for 802.11b; DQPSK

(2Mbps) for 802.11b; DBPSK (1 Mbps) for 802.11b

ADSL Router User Manual

³ Network Architecture: infrastructure ³ Operating Frequency: 2.4 ~ 2.5 GHz ³ Operating Channels: depending on local regulations. For example, 11Channels (Northern

America), 13 Channels (Europe), and 14 Channels (Japan)

³ RF Output Power: 13.5+/-1.5dBm for 802.11g; 17.5+/-1.5dBm for 802.11b ³ The output power can be adjustable. ³ Antenna Connectors: Hardware diversity support. One external and one internal antenna are

provided.

³ Coverage Area: 300m ³ Support WEP (Wired Equivalent Privacy) mechanism which uses RC4 with 64-bit or 128-bit

key length

³ Support 802.1x and WPA/WPA2 ³ Support the Access Control function: only registered WLAN clients are allowed to associate to

this device

³ SSID can be hidden for the security issue (Don’t broadcast SSID) ³ Support the Repeater function to extend the coverage area ³ Support wireless user isolation for the hotspot

ATM Features

³ Compliant to ATM Forum UNI 3.1 / 4.0 Permanent Virtual Circuits (PVCs) ³ Support up to 16 PVCs for UBR, CBR, VBR-nrt, VBR-rt with traffic shaping ³ RFC2684 LLC Encapsulation and VC Multiplexing over AAL5 ³ RFC2364 Point-to-Point Protocol (PPP) over AAL5 ³ RFC2225 Classical IP and ARP over ATM ³ RFC2516 PPP over Ethernet: su pport Relay (Transparent Forwarding and Client functi on s) ³ Support PPPoA or PPPoE Bridged mode (the IP address got from ISP can be passed to the

user’s PC and behave as the IP addre ss of the user’s PC.)

³ OAM F4/F5 End-to-End/Segment Lo opbac k Ce lls

Bridging Features

³ Supports self-learning bridge spec ified in IEEE 802.1D Transparent Bridging ³ Supports up to 4096 learning MAC addresses ³ Transparent Bridging among 10/100 Mb Ethernet and 802.11g wireless LAN ³ Support V irtual LAN function specified in IEEE 802.1q

Routing Features

³ Compliance to IPv4 which include RFC791, RFC 79 2, RF C826, RF C76 8, and RFC793 ³ NAT (Network Address Translation) / PAT (Port Address Translation) let multiple users (up to

128) on the LAN to access the Internet for th e cost of only one IP address.

³ ALGs (Application Level Gateways): such as NetMeeti ng, MS N Messe nger, FTP, Quick Time,

mIRC, Real Player, CuSeeMe, VPN pass-through with multiple sessions, etc.

Port Forwarding: the users can setup multiple virtual servers (e.g., Web, FTP, Mail servers) on user’s local network.

³ Support DMZ ³ UPnP IGD (Internet Gateway Device) with NAT traversal capability

ADSL Router User Manual

³ Static routes, RFC1058 RIPv1, and RFC1723 RIPv2 ³ DNS Relay, Dynamic DNS ³ DHCP Client/Relay/Ser ver ³ Time protocol can be use d to get curren t time fr om network tim e server ³ Support IGMP Proxy/Snoop ³ Support IP/Bridge QoS for prioritize the transmission of different traffic classes ³ Support port mapping function which allows you to assign all data traffic transmitted among

specific Internet connections and LAN ports

Security Features

³ PAP (RFC1334) , CHA P (RFC1994), and MS-CHAP for PPP session ³ Firewall support IP packets filtering base d on IP address/Port number/Protocol type ³ Bridge packet filtering (optional) ³ URL filtering (optional) ³

Support DoS (Deny of Services) which detect & protect a number of attacks (such as SYN/FIN/RST Flood, Smurf, W inNuke, Echo Scan, Xmas Tree Scan, etc)

Configuration and Management

³ User-friendly embedded web configuration interface with password protection ³ Remote management access control via HTTP, TFTP, FTP, Telnet, SSH, SNMP ³ Telnet session for local or remote management ³ Firmware upgrades through HTTP, TFTP, or FTP ³ The boot loader contains very simple web page to allow the users to update the run-time

firmware image.

³ Configuration file backup and restore ³ SNMPv1/v2 agent with MIB-II, ADSL Line MIB

Unpacking

Check the contents of the package against the pack contents checklist below. If any of the items is missing, then contact the dealer from whom the equipment was purchased.

³ ADSL Router ³ Power Adapter and Cord ³ RJ-11 ADSL Line Cable ³ RJ-45 Ethernet Cable ³ Quick Start Guide ³ Driver & Utility Software CD

ADSL Router User Manual

Subscription for ADSL Service

T o use the ADSL Router, you have to subscribe for ADSL service from your broadband service provider. According to the service type you subscribe, you will get various IP addresses:

Dynamic IP: If you apply for dial-up connection, you will be given an Internet account with username and password. You will get a dynamic IP by dialing up to your ISP.

Static IP address: If you apply for full-time connectivity, you may get either one static IP address or a range of IP a ddr esses from your ISP. The number of IP addresses varies according to different ADSL service provider.

xii

Chapter 1: Overview

This chapter provides you the description for the LED and connector for front and rear view of the router. Before you use/install this router, please take a look at this information first.

Physical Outlook

Front Panel

The following illustrations show the front panel of the AD SL Router (with USB interface and without USB interface):

LED Indicators

The ADSL Router is equipped with five LEDs on the front panel as described in the table below (from left to right):

LED Color Status Description

WLAN Green

USB Green

Ethernet 1 - 4

DSL Green

Green

Unlit Power off or no radio signal (WLAN card is not

present or fails to function). Blinking Traffic is going through Wireless LAN interface. Solid Wireless LAN interface ready to work. Unlit Power off or wait for USB connection going up. Blinking User data is going through USB port. Solid Unlit Power off or no Ethernet carrier is present. Blinking

Solid Ethernet carrier is present. Unlit No PPPoA or PPPoE connection PPP Green Solid

Unlit

Blinking User data is going through ADSL port. Solid ADSL line connection is OK.

USB connection is OK.

Ethernet carrier is present and user data is going

through Ethernet port.

At least one PPPoA or PPPoE connection is up. The

users can access the Internet now.

Power off or ADSL line connection is handshaking or

training is in progress.

ADSL Router User Manual

LED Color Status Description

Power Green

Rear Panel

The following figures illustrate the rear panel of your ADSL Router.

Connector Description

12VAC

Ethernet 1- 4 USB DSL

Unlit Solid

12VAC Power connector Power switch Ethernet RJ-45 connector USB connector (for the model with USB interface only) RJ-11 connector

Power of f.

Power on .

Chapter 2:System Requirement and Installation

Chapter 2: System Requirement and

Installation

System Requirement

T o access the ADSL Router via Ethernet, the host com puter must meet the following requirements:

 With Etherne t network interface.  Must have TCP/IP installed.  Set client PC with obtain an IP address automa tically or set fix IP address.  With a web browser installed: Internet Explorer 5.x or later.

The ADSL Router is configured with the default IP address of 192.168.1.1 and subnet mask of 255.255.255.0. As the DHCP server is Enable by default, The D HCP clients should be able to access the ADSL Router. Or you could assign an IP address to the host PC first for initial configuration.

You also can manage the A D S L Router through a web browser-based manager: ADSL ROUTER CONTROL PANEL. The ADSL Router mana ger uses the HTTP protocol via a web browser to allow you to set up and manage the device.

T o config ure the device via w eb brow ser, at least one properly-configured PC must be connected to the network (either connected directly or through an external hu b/switch to the LAN port of the device).

Choosing a place for the ADSL Router

n Place the ADSL Router close to ADSL wall outlet and power outlet for the cable to reach it

easily.

o Avoid placing the device in places where people may walk on the cables. Also keep it away

from direct sunlight or heat sources.

p Place the device on a flat and stable stand.

ADSL Router User Manual

Connecting the ADSL Router

Follow the steps below to connect the related devices.

n Connecting the ADSL line. Connect the

DSL port of the device to your ADSL wall outlet with RJ-11 cable.

o Please attach one end of the Ethernet

cable with RJ-45 connector to the LAN port of your AD SL Router.

p Connect the other end of the cable to the

Ethernet port of the client PC.

q Connect the supplied power adapter to

the PWR port of your ADSL Router, and plug the other end to a power outlet.

r Turn on the power switch.

Chapter 3: Configuration

For connecting through a hub, please refer to the following diagram for an example.

Install the USB Driver

For Windows ME

n Run the USB installation program from the CD provided by your device package.

o An InstallShield Wizard will appear. Please wait for a moment.

p When the welcome screen appears, click Next for next step. q When the InstallShield Wizard Complete ap pears, click Finish.

r Plug the USB cable between your device and PC.

Note: If the USB device is not detected, check the USB cable between the PC and the device. Also verify that the device is power on.

s The system will detect the USB driver automatically. Now, the system will copy the proper

files for this device.

t When the file copying finished, the dialog above will close. Now the USB driver is installed

properly . You can use the device.

For Windows 2000

n Run the USB installation program from the CD provided by your device package.

ADSL Router User Manual

o An InstallShield Wizard will appear. Please wait for a moment.

p When the welcome screen appears, click Next for next step.

q When the InstallShield Wizard Complete appears, click Finish.

r Plug the USB cable between your device an d PC.

Chapter 3: Configuration

Note: If the USB device is not detected, check the USB cable between the PC and the device. Also verify that the device is power on.

s The system will detect the USB driver automatically. Now, the system will copy the proper

files for this device.

t When the file copying finished, the dialog above will close. The InstallShield Wizard

Complete appears, click Finish. Now the USB driver is installed properly. You can use the device.

For Windows XP

n Run the USB installation program from the CD provided by your device package. o An InstallShield Wizard will appear. Please wait for a moment.

ADSL Router User Manual

p When the welcome screen appears, click Next for next step.

q When the InstallShield Wizard Complete ap pears, click Finish.

r Plug the USB cable between your device an d PC.

Note: If the USB device is not detected, check the USB cable between the PC and the device. Also verify that the device is power on.

s The system will detect the USB driver automatically.

Chapter 3: Configuration

t The system is trying to find proper driver for your device and copying the files

automatically.

u After the file copying is finished, a completing message will appear.

v You can use the device now.

Uninstall the USB Driver

For Windows ME

For uninstall the USB driver , please do the follow ing.

The first way:

n Choose Programs – Siemens Broadband – Uninstall Siemens ADSL Router USB

Driver from the Start menu.

o The InstallShield Wizard dialog will appear.

p A dialog appears to ask you confirm if you want to remove the USB driver or not. Please

click Ok.

q Unplug the USB cable between your device and your PC.

r When the Maintenance Complete screen appears, the USB driver is removed successfully.

Click Finish.

The second way:

n Choose Settings –Control Panel from the Start menu. Choose Add/Remove Programs. o A dialog appears to ask you choose the program that you want to remove. Please select

Siemens ADSL Router USB Driver and click Change/Remove.

p The InstallShield Wizard dialog will appear. q Unplug the USB cable between your device and your PC. Then click OK. r When the Maintenance Complete screen appears, the USB driver is removed successfu lly.

Click Finish

ADSL Router User Manual

For Windows 2000

For uninstall the USB driver , there are two ways to do it. Please do as the foll owi ng:

The first way:

n Choose Programs – Siemens Broadband – Uninstall Siemens ADSL Router USB

Driver from the Start menu.

o The InstallShield Wizard dialog will appear.

p A dialog appears to ask you confirm if you want to remove the USB driver or not. Please

click Ok.

q Unplug the USB cable between your device and your PC.

Chapter 3: Configuration

r When the Unsafe Removal of Device screen appears, the U SB driver is removed

successfully. Click OK.

s When the Maintenance Complete screen appears, the USB driver is removed successfu lly.

Click Finish.

ADSL Router User Manual

The second way:

n Choose Settings –Control Panel from the Start menu. Choose Add/Remove Programs.

o A dialog appears to ask you choose the program that you want to remove. Please select

Siemens ADSL Router USB Driver and click Change/Remove.

p The InstallShield Wizard dialog will appear.

Chapter 3: Configuration

q A dialog appears to ask you confirm if you want to remove the USB driv er or not. Please

click Ok.

Unplug the USB cable between your device and your PC. Then click OK.

ADSL Router User Manual

r When the Maintenance Complete screen appears, the USB driver is removed successfu lly.

Click Finish.

For Windows XP

For uninstall the USB driver , there are two ways to do it. Please do as the foll owi ng:

The first way:

n Choose Programs – Siemens Broadband – Uninstall Siemens ADSL Router USB

Driver from the Start menu.

Chapter 3: Configuration

o The InstallShield Wizard dialog will appear.

p A dialog appears to ask you confirm if you want to remove the USB driver or not. Please

click Ok.

q Unplug the USB cable between your device and your PC. r When the Unsafe Removal of Device screen appears, the USB driver is removed

successfully. Click OK.

s When the Maintenance Complete screen appears, the USB driver is removed successfu lly.

Click Finish.

ADSL Router User Manual

The second way:

n Choose Settings –Control Panel from the Start menu. Choose Add/Remove Programs.

o A dialog appears to ask you choose the program that you want to remove. Please select

Siemens ADSL Router USB Driver and click Change/Remove.

Chapter 3: Configuration

p The InstallShield Wizard dialog will appear.

q Unplug the USB cable between your device and your PC. Then click OK.

r When the Maintenance Complete screen appears, the USB driver is removed successfu lly.

Click Finish.

Setting TCP/IP

In order to access the Internet through the router, each host on y our network must install/setup TCP/IP. Please follow the steps below for select a network adapter .

ADSL Router User Manual

For Windows 98

1. Click on the Start menu, point

to Settings and click on Control Panel.

2. Double-click the Network icon

3. The Network window appears. On the

Configuration tab, check out the list of installed network components.

Option 1: If you have no TCP/IP protocol, click Add.

Option 2: If you have TCP/IP protocol, go to Step 6

Your network interface card.

Check out if TCP/IP for your NIC is installed or not.

4. Highlight Protocol and click Add.

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