NETGEAR WN203 Bedienungsanleitung

350 East Plumeria Drive

San Jose, CA 95134

USA

June 2013

202-11223-01

ProSAFE Single Band 802.11n

Wireless Access Point WN203

Reference Manual

ProSAFE Single Band 802.11n WirelessAccess Point WN203

Support

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NETGEAR, Inc. and/or its subsidiaries in the United States and/or other countries. Information is subject to change

Revision History

Publication

Part Number Publish Date Comments

202-11230-01 June 2013 First publication

Contents

Chapter 1 Introduction

About the ProSAFE Single Band 802.11n Wireless Access Point WN203 .7

What Is in the Box? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Key Features and Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Supported Standards and Conventions . . . . . . . . . . . . . . . . . . . . . . . . . .8

Key Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

802.11b/g/n Standards–Based Wireless Networking. . . . . . . . . . . . . . .10

Autosensing Ethernet Connections with Auto Uplink . . . . . . . . . . . . . . .11

Hardware Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Front Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Back Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Bottom Panel with Product Label and Reset to Factory Defaults Button13

Chapter 2 Installation and Basic Configuration

What You Need Before You Begin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Wireless Equipment Placement and Range Guidelines. . . . . . . . . . . . .15

Ethernet Cabling Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

LAN Configuration Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Hardware Requirements for Computers on Your LAN . . . . . . . . . . . . . .16

Requirements for Entering IP Addresses. . . . . . . . . . . . . . . . . . . . . . . .16

Install and Configure the Wireless Access Point . . . . . . . . . . . . . . . . . . . .16

Connect the Wireless Access Point to a Computer . . . . . . . . . . . . . . . .17

Configure Basic General System Settings and Time Settings . . . . . . . .20

Configure the IP Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Configure the Optional DHCP Server. . . . . . . . . . . . . . . . . . . . . . . . . . .23

Configure the Basic Wireless Settings . . . . . . . . . . . . . . . . . . . . . . . . . .25

Test Basic Wireless Connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Chapter 3 Wireless Configuration and Security

Before You Configure Wireless Security . . . . . . . . . . . . . . . . . . . . . . . . . .31

Wireless Data Security Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

Security Profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Security Profile Concepts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

Write Down Your Wireless Network Settings . . . . . . . . . . . . . . . . . . . . .35

Configure and Enable Security Profiles . . . . . . . . . . . . . . . . . . . . . . . . .36

Configure RADIUS Server Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

Restrict Wireless Access by MAC Address . . . . . . . . . . . . . . . . . . . . . . . .46

ProSAFE Single Band 802.11n WirelessAccess Point WN203

Schedule the Wireless Radios to Be Turned Off . . . . . . . . . . . . . . . . . . . .49

Configure Basic Wireless Quality of Service . . . . . . . . . . . . . . . . . . . . . . .49

Chapter 4 Management

Enable Remote Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

SNMP Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

Secure Shell and Telnet Management. . . . . . . . . . . . . . . . . . . . . . . . . .53

Upgrade the Wireless Access Point Software . . . . . . . . . . . . . . . . . . . . . .54

Web Browser Upgrade Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55

TFTP Server Upgrade Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

Manage the Configuration File or Reset to Factory Default. . . . . . . . . . . .57

Save the Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57

Restore the Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

Restore the Wireless Access Point to the Factory Default Settings. . . .58

Reboot the Wireless Access Point without Restoring the

Default Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

Change the Administrator Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61

Enable the Syslog Option. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

Enable Rogue AP Detection and Monitor Access Points. . . . . . . . . . . . . .62

Enable and Configure Rogue AP Detection. . . . . . . . . . . . . . . . . . . . . .63

View and Save Access Point Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

Chapter 5 Advanced Configuration

Configure Spanning Tree Protocol and 802.1Q VLANs. . . . . . . . . . . . . . .68

Configure Hotspot Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

Configure Advanced Wireless Settings . . . . . . . . . . . . . . . . . . . . . . . . . . .70

Configure Advanced Quality of Service Settings . . . . . . . . . . . . . . . . . . . .73

Configure Wireless Bridging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75

Configure a Point-to-Point Wireless Network. . . . . . . . . . . . . . . . . . . . .76

Configure a Point-to-Multipoint Wireless Network . . . . . . . . . . . . . . . . .81

Configure the Wireless Access Point to Repeat the Wireless

Signal Using Point-to-Multipoint Bridge Mode . . . . . . . . . . . . . . . . . . . .85

Chapter 6 Monitoring

View System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92

Monitor Wireless Clients. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94

View the Activity Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96

Traffic Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97

Chapter 7 Troubleshooting

Basic Functioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100

Verify the Correct Sequence of Events at Startup . . . . . . . . . . . . . . . .100

No LEDs Are Lit on the Wireless Access Point . . . . . . . . . . . . . . . . . .100

LAN LED Is Not Lit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101

WLAN LED Is Not Lit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101

You Cannot Access the Internet or the LAN from a

ProSAFE Single Band 802.11n WirelessAccess Point WN203

Wireless-Capable Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101

You Cannot Configure the Wireless Access Point from a Browser . . . . .102

When You Enter a URL or IP Address a Time-Out Error Occurs. . . . . . .103

Troubleshoot a TCP/IP Network Using the Ping Utility. . . . . . . . . . . . . . .103

Test the LAN Path to Your Wireless Access Point. . . . . . . . . . . . . . . .103

Test the Path from Your Computer to a Remote Device . . . . . . . . . . .104

Problems with Date and Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105

Appendix A Supplemental Information

Technical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107

Factory Default Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108

Appendix B Command-Line Reference

Appendix C Notification of Compliance

Index

1. Introduction

This chapter introduces the NETGEAR® ProSAFE® Single Band 802.11n WirelessAccess

Point WN203, and describes some of the key features. The chapter includes the following

sections:

•About the ProSAFE Single Band 802.11n Wireless Access Point WN203

•What Is in the Box?

•System Requirements

•Key Features and Standards

•Hardware Description

Note: For more information about the topics covered in this manual, visit

the support website at support.netgear.com.

Note: Firmware updates with new features and bug fixes are made

available from time to time at downloadcenter.netgear.com. Some

products can regularly check the site and download new firmware,

or you can check for and download new firmware manually. If the

features or behavior of your product do not match what is described

in this guide, you might need to update your firmware.

Introduction

ProSAFE Single Band 802.11n WirelessAccess Point WN203

About the ProSAFE Single Band 802.11n Wireless

Access Point WN203

The ProSAFE Single Band 802.11n Wireless Access Point WN203, going forward in this

manual referred to as the wireless access point, is a solid building block of a wireless LAN

infrastructure. It provides 2.4 GHz 802.11b/g/n connectivity between wired Ethernet networks

and radio-equipped wireless notebook systems, desktop systems, print servers, and other

devices. Support for two transmit radio chains and two receive radio chains, also referred to

as 2x2 multiple input, multiple output (MIMO), can increase wireless throughput considerably.

The wireless access point provides wireless connectivity to multiple wireless network devices

within a fixed range or area of coverage. Typically, an individual in-building wireless access

point provides a maximum connectivity area with about a 500-foot radius. The wireless

access point can support a maximum of 64 clients in a range of several hundred feet. The

throughput is shared between all clients. To meet the required coverage, throughput, and

quality of your wireless network, install a sufficient number of wireless access points.

The wireless access point acts as a bridge between the wired LAN and wireless clients.

Connecting multiple wireless access points through a wired Ethernet backbone can further

increase the wireless network coverage. As a mobile computing device moves out of the

range of one wireless access point, it moves into the range of another. As a result, wireless

clients can freely roam from one wireless access point to another and still maintain a

seamless connection to the network.

The autosensing capability of the wireless access point allows packet transmission at up to

300 Mbps, or at reduced speeds to compensate for distance or electromagnetic interference.

What Is in the Box?

The product package contains the following items:

•ProSAFE Single Band 802.11n Wireless Access Point WN203

•Straight through Category 5 Ethernet cable

•Power adapter and cord (12V, 1A)

•Stand

•Two wall mount screws and anchors

•Resource CD

•Installation guide

If any parts are missing or damaged, contact your reseller or customer support in your area.

Visit the NETGEAR website at http://support.netgear.com/general/contact/default.aspx for

the telephone number of customer support in your area.

Keep the installation guide, along with the original packing materials. If you need to return the

wireless access point for repair, use the packing materials to repack the wireless access

point.

Introduction

ProSAFE Single Band 802.11n WirelessAccess Point WN203

External antennas do not come standard with the wireless access point but can be purchased

as an option. If you have purchased external antennas, see Configure Advanced Wireless

Settings on page 70 for information about how to enable the external antennas.

System Requirements

Before installing the wireless access point, make sure that your system meets these

requirements:

•A 10/100/1000 Mbps local area network device such as a hub, switch, or router

•The Category 5 UTP straight-through Ethernet cable with RJ-45 connector that is

included in the package, or one like it

•Either a 100–120V, 50–60 HzAC power source or a hub, switch, or router that provides

Power over Ethernet (PoE)

•A computer with the TCP/IP protocol installed and a web browser for configuration, such

as Microsoft Internet Explorer 8.0 or later, or Mozilla Firefox 18.0 or later

Key Features and Standards

This section includes the following subsections:

•Supported Standards and Conventions

•Key Features

•802.11b/g/n Standards–Based Wireless Networking

•Autosensing Ethernet Connections with Auto Uplink

The wireless access point is easy to use and provides solid wireless and networking support.

It also offers a wide range of security options.

Supported Standards and Conventions

The wireless access point supports the following standards and conventions:

•Standards compliance.The wireless access point complies with the IEEE 802.11 b/g

standards for wireless LANs and is Wi-Fi certified for 802.11n standard.

•WPA and WPA2. The wireless access point provides WPA and WPA2 enterprise-class

strong security with RADIUS and certificate authentication as well as dynamic encryption

key generation. The WPA-PSK and WPA2-PSK pre-shared key authentication does not

have the overhead of RADIUS servers but provides the strong security of WPA.

•Multiple BSSIDs. The wireless access point supports multiple BSSIDs. When a wireless

access point is connected to a wired network and a set of wireless clients, it is called a

basic service set (BSS). The basic service set identifier (BSSID) is a unique identifier

attached to the header of packets sent over a WLAN that differentiates one WLAN from

another when a mobile device tries to connect to the network.

Introduction

ProSAFE Single Band 802.11n WirelessAccess Point WN203

The multiple BSSID feature allows you to configure up to eight SSIDs on your wireless

access point and assign different configuration settings to each SSID.All the configured

SSIDs are active, and the network devices can connect to the wireless access point by

using any of these SSIDs.

•DHCP server and client.The DHCP server of the wireless access point can provide a

dynamic IP address to wireless clients. The wireless access point can also act as a client

and obtain an IP address from a DHCP server on the LAN.

•SNMP.The wireless access point supports Simple Network Management Protocol

(SNMP) for Management Information Base (MIB) management.

•STP. The wireless access point supports Spanning Tree Protocol (STP).

•802.1Q VLAN.A network of computers can behave as if they are connected to the same

network even though they might actually be physically on different segments of a LAN.

Virtual LANs (VLANs) are configured through software rather than hardware, which

makes them very flexible. VLANs are very useful for user and host management,

bandwidth allocation, and resource optimization.

Key Features

The wireless access point provides solid functionality, including the following features:

•Multiple operating modes:

-Wireless access point. The wireless access point operates as a standard

802.11b/g/n access point for clients.

-Point-to-point bridge. The wireless access point communicates with another access

point that functions in bridge mode. You can use this mode with or without client

association.

-Point-to-multipoint bridge. The wireless access point is the master for a group of

access points that function in bridge mode, that send all traffic to the master, and that

do not communicate directly with each other. You can use this mode with or without

client association.

-Repeating the wireless signal. The wireless access point does not function as an

access point for clients but functions only in point-to-multipoint bridge mode to repeat

the wireless signal and send all traffic to a remote access point.

•WMM. Wi-Fi Multimedia (WMM) is a subset of the 802.11e standard. WMM allows

wireless traffic to have a range of priorities, depending on the kind of data.

Time-dependent information, like video or audio, has a higher priority than normal traffic.

For WMM to function correctly, wireless clients also need to support WMM.

•QoS. Quality of Service (QoS) support lets you configure parameters that affect traffic

flowing from the wireless access point to the client station and traffic flowing from the

client station to the wireless access point.

•Hotspot support. You can allow all HTTP (TCP, port 80) requests to be captured and

redirected to the URL you specify.

•Rogue AP detection.RogueAP filtering ensures that unknown APs are not given

access to any part of the secured wireless and wired LAN.

Introduction

ProSAFE Single Band 802.11n WirelessAccess Point WN203

•Access control.MAC address filtering can ensure that only trusted wireless clients can

use the wireless access point to gain access to the wireless and wired LAN.

•Security profiles.When using multiple BSSIDs, you can configure unique security

settings (encryption, SSID, and so on) for each BSSID.

•Hidden mode. The SSID is not broadcast, assuring that only clients configured with the

correct SSID can connect.

•Telnet and SSH command-line interface. Using an application such as PuTTY, you can

access the wireless access point over a Telnet or Secure Shell (SSH) connection and use

the command-line interface (CLI) to configure the wireless access point.

•Upgradeable firmware. Firmware is stored in flash memory. You can upgrade it easily,

using only your web browser, and you can upgrade it remotely. You can also use the

command-line interface.

•Configuration backup. Configuration settings can be backed up to a file and restored.

•Secure and economical operation. Adjustable power output allows more secure or

economical operation.

•PoE support. Using Power over Ethernet (PoE), any 802.3af-compliant midspan or

end-span sources can supply power to the wireless access point over the Ethernet port.

The wireless access point can receive all required power on one Ethernet port from a

single PoE source.

•Autosensing Ethernet connection with Auto Uplink™ interface. Connects to

10/100/1000 Mbps IEEE 802.3 Ethernet networks.

•LED indicators. Power, Test, LAN, and WLAN LEDs are easily identified.

•VLAN security profiles. Each security profile is automatically allocated a VLAN ID when

the security profile is modified.

802.11b/g/n Standards–Based Wireless Networking

The wireless access point provides a bridge between wired Ethernet LANs and

802.11b/g/n-compatible wireless LAN networks. It provides connectivity between wired

Ethernet networks and radio-equipped wireless notebook systems, desktop systems, print

servers, RFID tags, and other devices.

In addition, the wireless access point supports the following wireless features:

•Aggregation support

•Reduced InterFrame spacing support

•2x2 multiple input, multiple output (MIMO) support

•Distributed coordinated function (CSMA/CA, back-off procedure, ACK procedure,

retransmission of unacknowledged frames)

•RTS/CTS handshake

•Beacon generation

•Packet fragmentation and reassembly

•Auto or long preamble

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