Sercomm AP51DA User Manual
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Sercomm AP51DA User Manual

Sercomm AP51DA User Manual

Dual-band 802.11a/b/g wireless access point
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Dual-Band 802.11a/b/g
Wireless Access Point
User's Guide

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  • Page 1 Dual-Band 802.11a/b/g Wireless Access Point User's Guide...

  • Page 3: Table Of Contents

    ABLE OF ONTENTS CHAPTER 1 INTRODUCTION ..................... 1 Features of your Wireless Access Point................1 Package Contents ......................2 Physical Details........................3 CHAPTER 2 INSTALLATION....................5 Requirements........................5 Procedure ........................... 5 CHAPTER 3 ACCESS POINT SETUP .................. 7 Overview ..........................7 Setup using the Windows Utility..................
  • Page 4 APPENDIX D ABOUT WIRELESS LANS................92 Overview .......................... 92 Wireless LAN Terminology .................... 92 P/N: "9560ND0001 Copyright  2004. All Rights Reserved. Document Version: 1.0 All trademarks and trade names are the properties of their respective owners.

  • Page 5: Chapter 1 Introduction

    Chapter 1 Introduction This Chapter provides an overview of the Wireless Access Point's features and capabilities. Congratulations on the purchase of your new Wireless Access Point. The Wireless Access Point links your 802.11g or 802.11b Wireless Stations to your wired LAN. The Wireless stations and devices on the wired LAN are then on the same network, and can communicate with each other without regard for whether they are connected to the network via a Wireless or wired connection.

  • Page 6: Package Contents

    Wireless Access Point User Guide • WPA support. Support for WPA is included. WPA is more secure than WEP, and should be used if possible. • 802.1x Support. Support for 802.1x mode is included, providing for the industrial- strength wireless security of 802.1x authentication and authorization. •...

  • Page 7: Physical Details

    Introduction Physical Details Front Panel LEDs Figure 2: Front Panel Status On - Error condition. Off - Normal operation. Blinking - During start up, and when the Firmware is being upgraded. Power On - Normal operation. Off - No power On - The LAN (Ethernet) port is active.
  • Page 8 Wireless Access Point User Guide Rear Panel Figure 3 Rear Panel One antenna (aerial) is supplied. Best results are usually obtained with Antenna the antenna in a vertical position. Power port Connect the supplied power adapter here. This button has two (2) functions: Reset Button •...

  • Page 9: Chapter 2 Installation

    Chapter 2 Installation This Chapter covers the physical installation of the Wireless Access Point. Requirements Requirements: • TCP/IP network • Ethernet cable with RJ-45 connectors • Installed Wireless network adapter for each PC that will be wirelessly connected to the network Procedure 1.
  • Page 10 Wireless Access Point User Guide 3. Connect the supplied power adapter to the Wireless Access Point and a convenient power outlet, and power up. 4. Check the LEDs: • The Status LED should flash, then turn OFF. • The Power, WLAN, and LAN LED should be ON. For more information, refer to Front Panel LEDs in Chapter 1.

  • Page 11: Chapter 3 Access Point Setup

    Chapter 3 Access Point Setup This Chapter provides details of the Setup process for Basic Operation of your Wireless Access Point. Overview This chapter describes the setup procedure to make the Wireless Access Point a valid device on your LAN, and to function as an Access Point for your Wireless Stations. Wireless Stations may also require configuration.
  • Page 12 Wireless Access Point User Guide Figure 5: Management utility Screen Wireless Access Points The main panel displays a list of all Wireless Access Points found on the network. For each Access Point, the following data is shown: The Server Name is shown on a sticker on the base of the device. Server Name IP address The IP address for the Wireless Access Point.
  • Page 13 Setup Setup Procedure 1. Select the desired Wireless Access Point. 2. Click the Set IP Address button. 3. If prompted, enter the user name and password. The default values are admin for the User Name, and password for the Password. 4.

  • Page 14: Setup Using A Web Browser

    Wireless Access Point User Guide Setup using a Web Browser Your Browser must support JavaScript. The configuration program has been tested on the following browsers: • Netscape V4.08 or later • Internet Explorer V4 or later Setup Procedure Before commencing, install the Wireless Access Point in your LAN, as described previously. 1.
  • Page 15 Setup 7. From the menu, check the following screens, and configure as necessary for your envi- ronment. Details of these screens and settings are described in the following sections of this chapter. • System • Access Control • 2.4GHz Wireless •...
  • Page 16 Wireless Access Point User Guide Status Screen When you first connect, you will see the Status screen. This displays the current settings and status of the Wireless Access Point. No data can be input on this screen. Figure 7: Status Screen For further details of this screen, refer to Status Screen in Chapter 5.

  • Page 17: System Screen

    Setup System Screen Click System on the menu to view a screen like the following. Figure 8: System Screen Data - System Screen Identification Enter a suitable name for this Access Point. Access Point Name If desired, you can enter a description for the Access Point. Description Select the country or domain matching your current location.

  • Page 18: Access Control

    Wireless Access Point User Guide WINS Enable WINS If your LAN has a WINS server, you can enable this to have this AP register with the WINS server. WINS Server Enter the name or IP address of your WINS server. Name/IP Ad- dress HTTP...
  • Page 19 Setup Buttons Modify List To change the list of Trusted Stations (Add, Edit, or Delete a Wireless Station or Stations), click this button. You will then see the Trusted Wireless Stations screen, described below. Read from File To upload a list of Trusted Stations from a file on your PC, click this button.
  • Page 20 Wireless Access Point User Guide >> Delete a Trusted Wireless Station from the list (move to the "Other Stations" list). • Select an entry (or entries) in the "Trusted Stations" list. • Click the " >> " button. Select all of the Stations listed in the "Other Stations" list. Select All Select None De-select any Stations currently selected in the "Other Stations"...

  • Page 21: 2.4Ghz Wireless Screens

    Setup 2.4GHz Wireless Screens There are 3 configuration screens available: • Basic Settings • Security • Advanced Basic Settings – 2.4GHz Screen The settings on this screen must match the settings used by Wireless Stations. Click Basic on the menu to view a screen like the following. Figure 11: Basic Settings Screen Data - Basic Settings Screen Operation...
  • Page 22 Wireless Access Point User Guide Operating Mode Select the desired mode: • Wireless Access Point - operate as a normal Access Point • Client Access Point - act as a client for another Access Point. If selected, you must provide the address (MAC address) of the other Access Point (Remote AP).

  • Page 23: 2.4Ghz Security Settings

    Setup 2.4GHz Security Settings Select the desired option, and then enter the settings for the selected method. The available options are: • None - No security is used. Anyone using the correct SSID can connect to your network. • WEP - The 802.11b standard. Data is encrypted before transmission, but the encryption system is not very strong.
  • Page 24 Wireless Access Point User Guide 2.4GHz Security Settings - None Figure 12: Wireless Security - None No security is used. Anyone using the correct SSID can connect to your network. The only settings available from this screen are Radius MAC Authentication and UAM (Universal Access Method).
  • Page 25 Setup Server. Enter the key value to match the value on the Radius Server. If this field is visible, it is for the the WEP key used to encrupt data WEP Key transmissions to the Radius Server. Enter the desired key value 9in HEX), and ensure the Radius Server has the same value.
  • Page 26 Wireless Access Point User Guide 2.4GHz Security Settings - WEP This is the 802.11b standard. Data is encrypted before transmission, but the encryption system is not very strong. Figure 15: WEP Wireless Security Data - WEP Screen Select the desired WEP Encryption level, and ensure Wireless Data stations have the same setting and key value.
  • Page 27 Setup Passphrase Use this to generate a key or keys, instead of entering them directly. Enter a word or group of printable characters in the Passphrase box and click the "Generate Key" button to auto- matically configure the WEP Key(s). If encryption strength is set to 64 bit, then each of the four key fields will be populated with key values.
  • Page 28 Wireless Access Point User Guide 2.4GHz Security Settings - WPA-PSK Like WEP, data is encrypted before transmission. WPA is more secure than WEP, and should be used if possible. The PSK (Pre-shared Key) must be entered on each Wireless station. The 256Bit encryption key is derived from the PSK, and changes frequently.
  • Page 29 Setup Key Lifetime This field determines how often Pairwise keys are dynamically updated. Enter the desired value. Group Key Update This refers to the key used for broadcast transmissions. Enable this if you want the keys to be updated regularly. Key Lifetime This field determines how often the Group key is dynamically updated.
  • Page 30 Wireless Access Point User Guide 2.4GHz Security Settings - WPA-802.1x This version of WPA requires a Radius Server on your LAN to provide the client authentica- tion according to the 802.1x standard. Data transmissions are encrypted using the WPA standard. If this option is selected: •...
  • Page 31 Setup Client Login Name This read-only field displays the name used for the Client Login on the Radius Server. This Login name must be created on the Radius Server. Shared Key This is used for the Client Login on the Radius Server. Enter the key value to match the Radius Server.
  • Page 32 Wireless Access Point User Guide 2.4GHz Security Settings - 802.1x This uses the 802.1x standard for client authentication, and WEP for data encryption. If possi- ble, you should use WPA-802.1x instead, because WPA encryption is much stronger than WEP encryption. If this option is selected: •...
  • Page 33 Setup Shared Key This is used for the Client Login on the Radius Server. Enter the key value to match the Radius Server. WEP Key Size Select the desired option. • 64 Bit - data is encrypted, using the default key, before being transmitted.

  • Page 34: Advanced Settings - 2.4Ghz

    Wireless Access Point User Guide Advanced Settings - 2.4GHz Clicking the Advanced link on the menu will result in a screen like the following. Figure 19: Advanced Settings Data - Advanced Settings Screen Basic Rate The Basic Rate is used for broadcasting. It does not determine Basic Rate Selection the data transmission rate, which is determined by the "Mode"...
  • Page 35 Setup Parameters Disassociated Timeout This determines how quickly a Wireless Station will be consid- ered "Disassociated" with this AP, when no traffic is received. Enter the desired time period. Fragmentation Enter the preferred setting between 256 and 2346. Beacon Interval Enter the preferred setting between 0 and 3000.

  • Page 36: 5Ghz Wireless Screens

    Wireless Access Point User Guide 5GHz Wireless Screens There are 3 configuration screens available: • Basic Settings • Security • Advanced Basic Settings – 5GHz (802.11a) Screen The settings on this screen must match the settings used by Wireless Stations. Click Basic on the menu to view a screen like the following.
  • Page 37 Setup If selected, you must provide the address (MAC address) of the other Access Point (Remote AP). This is not required unless the Operating Mode is "Client Access Remote AP Point" or "Repeater Access Point". In either of these modes, you must MAC Address provide the MAC address of the other AP in this field.

  • Page 38: 5Ghz Security Settings

    Wireless Access Point User Guide 5GHz Security Settings Select the desired option, and then enter the settings for the selected method. The available options are: • None - No security is used. Anyone using the correct SSID can connect to your network. •...
  • Page 39 Setup 5GHz Security Settings - None Figure 21: Wireless Security - None No security is used. Anyone using the correct SSID can connect to your network. The only settings available from this screen are Radius MAC Authentication and UAM (Universal Access Method). Radius-based MAC Authentication Radius MAC Authentication provides for MAC address checking which is centralized on your Radius server.
  • Page 40 Wireless Access Point User Guide WEP Key If this field is visible, it is for the the WEP key used to encrupt data transmissions to the Radius Server. Enter the desired key value 9in HEX), and ensure the Radius Server has the same value. WEP Key Index If this field is visible, select the desired key index.
  • Page 41 Setup...
  • Page 42 Wireless Access Point User Guide 5GHz Security Settings - WEP This is the 802.11b standard. Data is encrypted before transmission, but the encryption system is not very strong. Figure 24: WEP Wireless Security Data - WEP Screen Select the desired WEP Encryption level, and ensure Wireless Data stations have the same setting and key value.
  • Page 43 Setup Passphrase Use this to generate a key or keys, instead of entering them directly. Enter a word or group of printable characters in the Passphrase box and click the "Generate Key" button to auto- matically configure the WEP Key(s). If encryption strength is set to 64 bit, then each of the four key fields will be populated with key values.
  • Page 44 Wireless Access Point User Guide 5GHz Security Settings - WPA-PSK Like WEP, data is encrypted before transmission. WPA is more secure than WEP, and should be used if possible. The PSK (Pre-shared Key) must be entered on each Wireless station. The 256Bit encryption key is derived from the PSK, and changes frequently.
  • Page 45 Setup Group Key Update This refers to the key used for broadcast transmissions. Enable this if you want the keys to be updated regularly. Key Lifetime This field determines how often the Group key is dynamically updated. Enter the desired value. Update Group Key If enabled, the Group key will be updated whenever any mem- ber leaves the group or disassociates from the Access Point.
  • Page 46 Wireless Access Point User Guide 5GHz Security Settings - WPA-802.1x This version of WPA requires a Radius Server on your LAN to provide the client authentica- tion according to the 802.1x standard. Data transmissions are encrypted using the WPA standard. If this option is selected: •...
  • Page 47 Setup This read-only field displays the name used for the Client Client Login Name Login on the Radius Server. This Login name must be cre- ated on the Radius Server. Shared Key This is used for the Client Login on the Radius Server. Enter the key value to match the Radius Server.
  • Page 48 Wireless Access Point User Guide 5GHz Security Settings - 802.1x This uses the 802.1x standard for client authentication, and WEP for data encryption. If possi- ble, you should use WPA-802.1x instead, because WPA encryption is much stronger than WEP encryption. If this option is selected: •...
  • Page 49 Setup Shared Key This is used for the Client Login on the Radius Server. Enter the key value to match the Radius Server. WEP Key Size Select the desired option. • 64 Bit - data is encrypted, using the default key, before being transmitted.

  • Page 50: Advanced Settings - 5Ghz

    Wireless Access Point User Guide Advanced Settings - 5GHz Clicking the Advanced link on the menu will result in a screen like the following. Figure 28: Advanced Settings Data - Advanced Settings Screen Basic Rate Basic Rate Selection The Basic Rate is used for broadcasting. It does not determine the data transmission rate, which is determined by the "Mode"...
  • Page 51 Setup Output Power Level Select the desired power output. Higher levels will give a greater range, but are also more likely to cause interference with other devices. Antenna Selection If your Access Point has only 1 antenna, there is only 1 option available.

  • Page 52: Chapter 4 Pc And Server Configuration

    Chapter 4 PC and Server Configuration This Chapter details the PC Configuration required for each PC on the local LAN. Overview All Wireless Stations need to have settings which match the Wireless Access Point. These settings depend on the mode in which the Access Point is being used. •...

  • Page 53: Using Wpa-802.1X

    PC and Server Configuration Using WPA-802.1x This is the most secure and most complex system. 802.1x mode provides greater security and centralized management, but it is more complex to configure. Wireless Station Configuration For each of the following items, each Wireless Station must have the same settings as the Wireless Access Point.

  • Page 54: 802.1X Server Setup (Windows 2000 Server)

    Wireless Access Point User Guide 802.1x Server Setup (Windows 2000 Server) This section describes using Microsoft Internet Authentication Server as the Radius Server, since it is the most common Radius Server available that supports the EAP-TLS authentication method. The following services on the Windows 2000 Domain Controller (PDC) are also required: •...
  • Page 55 PC and Server Configuration Figure 29: Components Screen 4. Click Next. 5. Select the Enterprise root CA, and click Next. Figure 30: Certification Screen 6. Enter the information for the Certificate Authority, and click Next.
  • Page 56 Wireless Access Point User Guide Figure 31: CA Screen 7. Click Next if you don't want to change the CA's configuration data. 8. Installation will warn you that Internet Information Services are running, and must be stopped before continuing. Click Ok, then Finish. DHCP server configuration 1.
  • Page 57 PC and Server Configuration Figure 33:IP Address Screen 6. Add exclusions in the address fields if required. If no exclusions are required, leave it blank. Click Next. 7. Change the Lease Duration time if preferred. Click Next. 8. Select Yes, I want to configure these options now, and click Next. 9.
  • Page 58 Wireless Access Point User Guide Certificate Authority Setup 1. Select Start - Programs - Administrative Tools - Certification Authority. 2. Right-click Policy Settings, and select New - Certificate to Issue. Figure 35: Certificate Authority Screen 3. Select Authenticated Session and Smartcard Logon (select more than one by holding down the Ctrl key).
  • Page 59 PC and Server Configuration Figure 37: Active Directory Screen 6. Select the Group Policy tab, choose Default Domain Policy then click Edit. Figure 38: Group Policy Tab 7. Select Computer Configuration - Windows Settings - Security Settings - Public Key Policies, right-click Automatic Certificate Request Settings - New - Automatic Certificate Request.
  • Page 60 Wireless Access Point User Guide Figure 39: Group Policy Screen 8. When the Certificate Request Wizard appears, click Next. 9. Select Computer, then click Next. Figure 40: Certificate Template Screen 10. Ensure that your certificate authority is checked, then click Next. 11.
  • Page 61 PC and Server Configuration Internet Authentication Service (Radius) Setup 1. Select Start - Programs - Administrative Tools - Internet Authentication Service 2. Right-click on Clients, and select New Client. Figure 41: Service Screen 3. Enter a name for the access point, click Next. 4.
  • Page 62 Wireless Access Point User Guide 11. Click Edit Profile... and select the Authentication tab. Enable Extensible Authentication Protocol, and select Smart Card or other Certificate. Deselect other authentication meth- ods listed. Click OK. Figure 43: Authentication Screen 12. Select No if you don't want to view the help for EAP. Click Finish.
  • Page 63 PC and Server Configuration Remote Access Login for Users 1. Select Start - Programs - Administrative Tools- Active Directory Users and Computers. 2. Double click on the user who you want to enable. 3. Select the Dial-in tab, and enable Allow access. Click OK. Figure 44: Dial-in Screen...

  • Page 64: 802.1X Client Setup On Windows Xp

    Wireless Access Point User Guide 802.1x Client Setup on Windows XP Windows XP ships with a complete 802.1x client implementation. If using Windows 2000, you can install SP3 (Service Pack 3) to gain the same functionality. If you don't have either of these systems, you must use the 802.1x client software provided with your wireless adapter.
  • Page 65 PC and Server Configuration Figure 46: Wireless CA Screen 5. Select User certificate request and select User Certificate, the click Next. Figure 47: Request Type Screen 6. Click Submit.
  • Page 66 Wireless Access Point User Guide Figure 48: Identifying Information Screen 7. A message will be displayed, then the certificate will be returned to you. Click Install this certificate. Figure 49:Certificate Issued Screen 8. . You will receive a confirmation message. Click Yes.
  • Page 67 PC and Server Configuration Figure 50: Root Certificate Screen 9. Certificate setup is now complete. 802.1x Authentication Setup 1. Open the properties for the wireless connection, by selecting Start - Control Panel - Network Connections. 2. Right Click on the Wireless Network Connection, and select Properties. 3.
  • Page 68 Wireless Access Point User Guide • Your network administrator can advise you of the correct settings for each network. 802.1x networks typically use EAP-TLS. This is a dynamic key system, so there is no need to enter key values. Enabling Encryption To enable encryption for a wireless network, follow this procedure: 1.
  • Page 69 PC and Server Configuration Figure 53: Properties Screen Setup for Windows XP and 802.1x client is now complete.

  • Page 70: Using 802.1X Mode (Without Wpa)

    Wireless Access Point User Guide Using 802.1x Mode (without WPA) This is very similar to using WPA-802.1x. The only difference is that on your client, you must NOT enable the setting The key is pro- vided for me automatically. Instead, you must enter the WEP key manually, ensuring it matches the WEP key used on the Access Point.

  • Page 71: Chapter 5 Operation And Status

    Chapter 5 Operation and Status This Chapter details the operation of the Wireless Access Point and the status screens. Operation Once both the Wireless Access Point and the PCs are configured, operation is automatic. However, you may need to perform the following operations on a regular basis. •...
  • Page 72 Wireless Access Point User Guide Data - Status Screen Access Point The current name will be displayed. Access Point Name MAC Address The MAC (physical) address of the Wireless Access Point. Domain This is the region for which this Wireless Access Point is licensed for use.
  • Page 73 Operation and Status Activity Log This screen is displayed when the Log button on the Status screen is clicked. Figure 56: Activity Log Screen Data - Activity Log Data The system date and time is displayed. Current Time The Log shows details of the existing connections to the Wireless Access Point.
  • Page 74 Wireless Access Point User Guide Station List This screen is displayed when the Stations button on the Status screen is clicked. Figure 57 Station List Screen Data - Station List Screen Station List The MAC (physical) address of each Wireless Station is displayed. MAC Address Mode The mode of each Wireless Station.
  • Page 75 Operation and Status Statistics Screen This screen is displayed when the 2.4GHz Statistics button on the Status screen is clicked. It shows details of the traffic flowing through the Wireless Access Point. Figure 58: Statistics Screen Data - Statistics Screen System Up Time This indicates how long the system has been running since the last System Up Time...
  • Page 76 Wireless Access Point User Guide Multicast Packets Number of Broadcast packets transmitted to or received from Wireless Stations, using Multicast transmission. Number of Management packets transmitted to or received from Management Wireless Stations. Control Number of Control packets transmitted to or received from Wireless Stations.

  • Page 77: Chapter 6 Other Settings & Features

    Chapter 6 Other Settings & Features This Chapter explains when and how to use the Wireless Access Point's "Management" Features. Overview This Chapter covers the following features, available on the Wireless Access Point’s Man- agement menu. • Admin Login • Config File •...
  • Page 78 Wireless Access Point User Guide Figure 60: Password Dialog • Enter admin for the User Name. • Enter the Wireless Access Point’s password, as set on the Admin Login screen above.

  • Page 79: Config File

    Other Settings & Features Config File This screen allows you to Backup (download) the configuration file, and to restore (upload) a previously-saved configuration file. You can also set the Wireless Access Point back to its factory default settings. To reach this screen, select Config File in the Management section of the menu. Figure 61: Config File Screen Data - Config File Screen Backup...

  • Page 80: Snmp

    Wireless Access Point User Guide SNMP Figure 62: SNMP Screen Data - SNMP Screen SNMP Use this to enable or disable SNMP as required. Enable SNMP Community Enter the community string, usually either "Public" or "Private". Select the desired option: Access Rights •...

  • Page 81: Firmware Upgrade

    Other Settings & Features Firmware Upgrade The firmware (software) in the Wireless Access Point can be upgraded using your Web Browser. You must first download the upgrade file, and then select Upgrade Firmware in the Manage- ment section of the menu. You will see a screen like the following. Figure 63: Firmware Upgrade Screen To perform the Firmware Upgrade: 1.

  • Page 82: Appendix A Specifications

    Appendix A Specifications Wireless Access Point Hardware Specifications AR2312 Radio-on-Chip AR2112 DRAM 8 Mbytes (Expand to 64MB) Flash ROM 2 Mbytes (Expand to 8MB) LAN port 1 x Auto-MDIX RJ 45 for 10/100Mbps Ethernet Wireless Interface Embedded Atheros solution Network Standard IEEE 802.11b (Wi-Fi™) and IEEE 802.11g compliance OFDM;...
  • Page 83 Appendix A - Specifications Throughput Up to 19 Mbps Operating Range Indoors • 30 Meters (100ft.) @ 11Mbps • 50 Meters (165ft.) @ 5.5Mbps • 70 Meters (230ft.) @ 2Mbps • 9 1Meters (300ft.) @ 1Mbps Outdoors • 152 Meters (500ft.) @ 11Mbps •...
  • Page 84 Wireless Access Point User Guide • • Message Log • Access Control list file support • Configuration file Backup/Restore • Statistics support • Device discovery program • Windows Utility • DHCP client Other Features • WINS client Firmware Upgrade HTTP, FTP network protocol download...
  • Page 85 Appendix A - Specifications FCC Statement 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 equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communica- tions.

  • Page 86: Appendix B Troubleshooting

    Appendix B Troubleshooting Overview This chapter covers some common problems that may be encountered while using the Wireless Access Point and some possible solutions to them. If you follow the suggested steps and the Wireless Access Point still does not function properly, contact your dealer for further advice. General Problems Problem 1: Can't connect to the Wireless Access Point to configure it.
  • Page 87 Appendix B - Troubleshooting Problem 2: My PC can't connect to the LAN via the Wireless Access Point. Check the following: Solution 2 • The SSID and WEP settings on the PC match the settings on the Wire- less Access Point. •...

  • Page 88: Appendix C Windows Tcp/Ip

    Appendix C Windows TCP/IP Overview Normally, no changes need to be made. • By default, the Wireless Access Point will act as a DHCP client, automatically obtaining a suitable IP Address (and related information) from your DHCP Server. • If using Fixed (specified) IP addresses on your LAN (instead of a DHCP Server), there is no need to change the TCP/IP of each PC.
  • Page 89 Appendix B - Troubleshooting Figure 66: IP Address (Win 95) Ensure your TCP/IP settings are correct, as follows: Using DHCP To use DHCP, select the radio button Obtain an IP Address automatically. This is the default Windows settings. To work correctly, you need a DHCP server on your LAN. Using "Specify an IP Address"...

  • Page 90: Checking Tcp/Ip Settings - Windows Nt4.0

    Wireless Access Point User Guide Checking TCP/IP Settings - Windows NT4.0 1. Select Control Panel - Network, and, on the Protocols tab, select the TCP/IP protocol, as shown below. Figure 67: Windows NT4.0 - TCP/IP 2. Click the Properties button to see a screen like the one below. Figure 68: Windows NT4.0 - IP Address...
  • Page 91 Appendix B - Troubleshooting 3. Select the network card for your LAN. 4. Select the appropriate radio button - Obtain an IP address from a DHCP Server or Specify an IP Address, as explained below. Obtain an IP address from a DHCP Server This is the default Windows setting.

  • Page 92: Checking Tcp/Ip Settings - Windows 2000

    Wireless Access Point User Guide Checking TCP/IP Settings - Windows 2000 1. Select Control Panel - Network and Dial-up Connection. 2. Right click the Local Area Connection icon and select Properties. You should see a screen like the following: Figure 69: Network Configuration (Win 2000) 3.
  • Page 93 Appendix B - Troubleshooting 5. Ensure your TCP/IP settings are correct: Using DHCP To use DHCP, select the radio button Obtain an IP Address automatically. This is the default Windows setting. This is the default Windows settings. To work correctly, you need a DHCP server on your LAN.

  • Page 94: Checking Tcp/Ip Settings - Windows Xp

    Wireless Access Point User Guide Checking TCP/IP Settings - Windows XP 1. Select Control Panel - Network Connection. 2. Right click the Local Area Connection and choose Properties. You should see a screen like the following: Figure 71: Network Configuration (Windows XP) 3.
  • Page 95 Appendix B - Troubleshooting 5. Ensure your TCP/IP settings are correct. Using DHCP To use DHCP, select the radio button Obtain an IP Address automatically. This is the default Windows setting. To work correctly, you need a DHCP server on your LAN. Using a fixed IP Address ("Use the following IP Address") If your PC is already configured for a fixed (specified) IP address, no changes are required.
  • Page 96 Appendix D About Wireless LANs Overview Wireless networks have their own terms and jargon. It is necessary to understand many of these terms in order to configure and operate a Wireless LAN. Wireless LAN Terminology Modes Wireless LANs can work in either of two (2) modes: •...
  • Page 97 Appendix C - Windows TCP/IP Different Access Points within an ESS can use different Channels. To reduce interference, it is recommended that adjacent Access Points SHOULD use different channels. As Wireless Stations are physically moved through the area covered by an ESS, they will automatically change to the Access Point which has the least interference or best perform- ance.
  • Page 98 Wireless Access Point User Guide • All data transmission is encrypted using the WPA standard. Keys are automatically generated, so no key input is required. 802.1x This uses the 802.1x standard for client authentication, and WEP for data encryption. If possi- ble, you should use WPA-802.1x instead, because WPA encryption is much stronger than WEP encryption.

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