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Zyxel NWD2105 [6/176] Document conventions

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NWD2105 User’s Guide

Server Modem Telephone

Internet Wireless Signal

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Nwd2105 1
Version 1 edition 1 09 2011 1
Wireless n lite usb adapter 1
Www zyxel com 1
About this user s guide 3
Documentation feedback 3
Intended audience 3
Related documentation 3
Tips for reading user s guides on screen 3
Customer support 4
Need more help 4
Document conventions 5
Icons used in figures 5
Note notes tell you other important information for example other things you may need to configure or helpful tips or recommendations 5
Syntax conventions 5
Warnings and notes 5
Warnings tell you about things that could harm you or your nwd2105 5
Document conventions 6
Nwd2105 user s guide 6
Nwd2105 user s guide 7
Safety warnings 7
Appendices and index 7 9
Contents overview 9
Introduction and configuration 5 9
Troubleshooting and specifications 7 9
About this user s guide 11
Chapter 1 getting started 7 11
Chapter 2 tutorial 2 11
Contents overview 11
Document conventions 11
Part i introduction and configuration 15 11
Safety warnings 11
Table of contents 11
Table of contents 1 11
Chapter 3 wireless lans 2 12
Chapter 4 station mode 3 12
Chapter 5 ap mode 4 12
Appendix a setting up your computer s ip address 9 13
Appendix b wireless lans 119 13
Appendix c windows wireless management 33 13
Appendix d wireless for windows 7 57 13
Appendix e legal information 63 13
Chapter 6 maintenance 3 13
Chapter 7 troubleshooting 9 13
Chapter 8 product specifications 3 13
Part ii troubleshooting and specifications 77 13
Part iii appendices and index 87 13
Index 71 14
Configuration 15
Introduction and 15
Introduction and configuration 15
Before you begin 17
Getting started 17
Overview 17
What you need to know 17
About your nwd2105 18
Application overview 18
Hardware 18
Ad hoc 19
Infrastructure 19
Hardware and utility installation 20
Note the zyxel utility system tray icon displays only when the nwd2105 is installed properly 20
Note when you use the zyxel utility it automatically disables wireless zero configuration wzc in windows xp 20
Note wi fi protected setup wps is not available in ad hoc mode 20
Zyxel utility icon 20
Accessing the zyxel utility 21
Configuration methods 21
Enabling windows wireless configuration 21
Note click the icon located in the top right corner to display the online help window 21
Note do not use windows xp s wireless zero configuration tool at the same time you use the zyxel utility 21
Note when you use the zyxel utility it automatically disables windows xp s wireless configuration tool 21
Before you begin 22
Overview 22
Tutorial 22
What you can do in this tutorial 22
What you need to know 22
Connecting to an ap using wi fi protected setup wps 23
Note it doesn t matter which button is pressed first you must press the second button within two minutes of pressing the first one 23
Note the access point must be a wps aware device 23
Push button configuration pbc 23
Communication 24
Pin configuration 24
Within 2 minutes 24
You ap 24
Authentication by pin 25
Communication 25
Security info 25
Within 2 minutes 25
You ap 25
Connecting to an ap without using wps 26
Manually connecting to a wireless lan 26
Creating and using a profile 28
Configuring the nwd2105 as an ap 30
Note only one profile can be activated and used at any given time 30
Overview 32
What you can do in this section 32
What you need to know 32
Wireless lans 32
Before you begin 33
Wireless lan overview 33
Authentication type 34
Data encryption 34
User authentication and encryption 34
Wireless lan security 34
Eap authentication 35
Ieee 802 x 35
Wpa and wpa2 35
Pin configuration 36
Push button configuration 36
Wifi protected setup 36
Note if the client device s configuration interface has an area for entering another device s pin you can either enter the client s pin in the ap or enter the ap s pin in the client it does not matter which 37
Note use the configuration utility to activate wps not the push button on the device itself 37
How wps works 38
Example wps network setup 39
Client 1 ap1 40
Client 2 40
Client 1 ap1 41
Client 2 41
Limitations of wps 41
Overview 43
Station mode 43
What you can do in this section 43
What you need to know 43
A pre shared key is a password shared between the server and the client that unlocks the algorithm used to encrypt the data traffic between them without the proper password the client and the server cannot communicate 44
An enhanced security framework designed to improve an existing security protocol such as wpa psk or wpa2 psk 44
Before you begin 44
Chapter 4 station mode 44
Extensible authentication protocol eap 44
Figure 28 zyxel utility menu summary 44
Make sure the zyxel utility is already installed see the quick start guide for more 44
Nwd2105 user s guide 44
Pre shared key psk 44
Tab description 44
Table 4 zyxel utility menu summary 44
The following table describes the menus 44
This section describes the zyxel utility screens 44
Zyxel utility screen summary 44
Chapter 4 station mode 45
Figure 29 link info 45
Label description 45
Nwd2105 user s guide 45
Table 5 link info 45
The following table describes the labels in this screen 45
The link info screen 45
When the zyxel utility starts the link info screen displays showing the current configuration and connection status of your nwd2105 45
Trend chart 46
Chapter 4 station mode 47
Figure 31 site survey 47
Label description 47
Nwd2105 user s guide 47
Table 7 site survey 47
The following table describes the labels in this screen 47
The site survey screen 47
Use the site survey screen to scan for and connect to a wireless network automatically 47
Chapter 4 station mode 48
Figure 32 security setting selection 48
Label description 48
Nwd2105 user s guide 48
Security settings 48
Security type selection 48
Table 8 security setting wep 48
The following table describes the labels in this screen 48
When you choose to connect to a network that has security you are presented with is a security selection screen choose the security of the network you are attempting to join 48
When you configure the nwd2105 to connect to a network with wireless security activated and the security settings are disabled on the nwd2105 the screen varies according to the encryption method used by the selected network 48
Chapter 4 station mode 49
Configure wep security in this screen 49
Figure 33 security setting wep 49
Label description 49
Note the values for the wep keys must be set up exactly the same on all wireless devices in the same wireless lan ascii wep keys are case sensitive 49
Nwd2105 user s guide 49
Table 9 security setting wep 49
The following table describes the labels in this screen 49
Wep encryption 49
Chapter 4 station mode 50
Configure wpa psk wpa2 psk security in this screen 50
Figure 34 security setting wpa psk wpa2 psk 50
Label description 50
Note the procedure to configure wpa or wpa2 is different in windows vista see section 4 on page 61 for information on setting up your nwd2105 to use wpa or wpa2 in vista 50
Nwd2105 user s guide 50
Table 10 security setting wpa psk wpa2 psk 50
The following table describes the labels in this screen 50
Wpa psk wpa2 psk 50
Chapter 4 station mode 51
Figure 35 security settings wpa wpa2 51
Label description 51
Note this feature is not available on windows vista 51
Note you must first have a wired connection to a network and obtain the certificate s from a certificate authority ca consult your network administrator for more information 51
Nwd2105 user s guide 51
Table 11 security setting wpa wpa2 51
The following table describes the labels in this screen 51
The screen that displays when you select wpa or wpa2 differs depending on the eap type you select tls peap or ttls 51
Wpa wpa2 51
Chapter 4 station mode 52
Configure ieee 802 x security with various authentication methods in this screen 52
Figure 36 security setting 802 x 52
Ieee 802 x 52
Label description 52
Note the procedure to configure 802 x is different in windows vista see section 4 on page 61 for information on setting up your nwd2105 to use 802 x in vista 52
Note you must first have a wired connection to a network and obtain the certificate s from a certificate authority ca consult your network administrator for more information 52
Nwd2105 user s guide 52
Table 11 security setting wpa wpa2 52
Table 12 security settings ieee 802 x 52
The following table describes the labels in this screen 52
Chapter 4 station mode 53
Figure 37 summary screen 53
Label description 53
Note this feature is not available on windows vista 53
Nwd2105 user s guide 53
Summary screen 53
Table 12 security settings ieee 802 x 53
Table 13 summary screen 53
The following table describes the labels in this screen 53
Use this screen to confirm and save the security settings 53
The profile screen 54
Adding a new profile 55
Chapter 4 station mode 55
Click add in the profile screen an add new profile screen displays as shown next 55
Figure 39 profile add a new profile 55
Follow the steps below to add a new profile 55
Label description 55
Nwd2105 user s guide 55
Table 14 profile continued 55
Table 15 profile add a new profile 55
The following table describes the labels in this screen 55
Chapter 4 station mode 56
Figure 40 profile wireless settings 56
If you select the infrastructure network type in the previous screen skip to step 3 if you select the ad hoc network type in the previous screen a screen displays as follows select a channel number and wireless mode and click next to continue 56
Label description 56
Note to associate to an ad hoc network you must use the same channel as the peer computer 56
Nwd2105 user s guide 56
Table 15 profile add a new profile continued 56
Note once you activate a profile the zyxel utility will use that profile the next time it is started 58
Chapter 4 station mode 59
Figure 45 adapter 59
Label description 59
Nwd2105 user s guide 59
Table 17 adapter 59
The adapter screen 59
The following table describes the labels in this screen 59
To set the other advanced features on the nwd2105 click the adapter tab 59
Wps pbc push button configuration 60
Wps pin use this device s pin 60
Security settings in windows vista 61
Wps pin use the pin from the ap or wireless router 61
Note if you are not sure what to enter contact your network administrator 62
Note ttls tunneled tls is not available when using windows vista at the time of writing 62
Using peap in vista 62
Note if you do not have the right certificate or are not sure which certificate you should use contact your network administrator 63
Using tls in vista 63
Ap mode 64
Overview 64
Before you begin 65
Mac address 65
See also 65
What you can do in this section 65
What you need to know 65
Ap mode screen summary 66
Chapter 5 ap mode 67
Figure 56 link info 67
Label description 67
Nwd2105 user s guide 67
Table 21 link info 67
The following table describes the labels in this screen 67
The link info screen 67
When you enter ap mode the link info screen displays showing the current configuration and connection status of your nwd2105 access point 67
Chapter 5 ap mode 68
Figure 57 the configuration screen 68
Label description 68
Nwd2105 user s guide 68
Table 22 configuration 68
The configuration screen 68
The configuration screen allows you to set up the broadcast parameters for your access point as well as its security options 68
The following table describes the labels in this screen 68
Chapter 5 ap mode 69
Disable 69
Label description 69
Note this feature is not supported in windows 2000 69
Note when security settings are disabled in ap mode and if you have a shared internet connection via the bridge feature see page 69 or any shared folders on the computer that is hosting the ap they will be available to anyone who is connected 69
Nwd2105 user s guide 69
Security settings 69
Table 22 configuration continued 69
This option indicates that no security services are enabled anyone within range of your ap can connect to it without having to enter a pre shared key 69
When you configure the nwd2105 to act as an ap and wireless security is activated the configuration screen varies according to the encryption method used by your network 69
Chapter 5 ap mode 70
Configure wep security with these options 70
Figure 58 security setting wep 70
Label description 70
Note the values for the wep keys must be set up exactly the same on all wireless devices in the same wireless lan ascii wep keys are case sensitive 70
Note this feature is not available in windows vista 70
Nwd2105 user s guide 70
Table 23 security setting wep 70
The following table describes the labels in this screen 70
Wep encryption 70
Chapter 5 ap mode 71
Configure wpa psk and wpa2 psk security with these options 71
Figure 59 security setting wpa psk wpa2 psk 71
Label description 71
Nwd2105 user s guide 71
Table 24 security setting wpa psk wpa2 psk 71
The following table describes the labels in this screen 71
The mac filter screen 71
The mac filter screen allows you to configure the nwd2105 to give exclusive access to devices allow all or exclude devices from connecting to the nwd2105 reject all the mac address is 71
Wpa psk wpa2 psk 71
Assigned at the factory and consists of six pairs of hexadecimal characters for example 00 a0 c5 00 00 02 you need to know the mac address of the device s to configure this screen 72
Chapter 5 ap mode 72
Figure 60 the mac filter screen 72
Label description 72
Nwd2105 user s guide 72
Table 25 mac filter 72
The following table describes the labels in this screen 72
Before you begin 73
Maintenance 73
Overview 73
What you can do in this section 73
What you need to know 73
Note before you uninstall the zyxel utility take note of your current wireless configurations 74
The about screen 74
Uninstalling the zyxel utility 74
Note before you uninstall the zyxel utility take note of your current wireless configurations 75
Upgrading the zyxel utility 75
Troubleshooting and specifications 77
Power hardware connections and leds 79
Troubleshooting 79
Accessing the zyxel utility 80
I cannot access the zyxel utility 80
Link quality 80
Problems communicating with other computers 80
The computer with the nwd2105 installed cannot communicate with the other computer s 80
The link quality and or signal strength is poor 80
Product specifications 83
Chapter 8 product specifications 84
Nwd2105 user s guide 84
Table 27 product specifications continued 84
Wireless standards 84
Chapter 8 product specifications 85
Note eap ttls is not supported in windows vista 85
Nwd2105 user s guide 85
Software specifications 85
Table 27 product specifications continued 85
Wireless features 85
Appendices and 87
Appendices and index 87
Note the appendices provide general information some details may not apply to your nwd2105 87
Ppendi 89
Setting up your computer s ip address 89
Verifying settings 92
Windows vista 93
Note during this procedure click continue whenever windows displays a screen saying that it needs your permission to continue 94
Verifying settings 96
Windows 7 97
Note during this procedure click continue whenever windows displays a screen saying that it needs your permission to continue 98
Verifying settings 100
Mac os x 10 and 10 101
Mac os x 10 and 10 104
Verifying settings 104
Linux ubuntu 8 gnome 108
Note make sure you are logged in as the root administrator 108
Verifying settings 108
Linux opensuse 10 kde 112
Note make sure you are logged in as the root administrator 112
Verifying settings 112
Verifying settings 116
Ppendi 119
Wireless lans 119
Channel 121
Rts cts 121
Fragmentation threshold 122
Note enabling the rts threshold causes redundant network overhead that could negatively affect the throughput performance instead of providing a remedy 122
Ieee 802 1g wireless lan 123
Note the wireless devices must use the same preamble mode in order to communicate 123
Preamble type 123
Wireless security overview 123
Ieee 802 x 124
Note you must enable the same wireless security settings on the nwd2105 and on all wireless clients that you want to associate with it 124
Radius 124
Types of eap authentication 125
Types of radius messages 125
Dynamic wep key exchange 126
Eap md5 message digest algorithm 5 126
Eap tls transport layer security 126
Eap ttls tunneled transport layer service 126
Peap protected eap 126
Appendix b wireless lans 127
Eap md5 eap tls eap ttls peap leap 127
Encryption 127
For added security certificate based authentications eap tls eap ttls and peap use dynamic keys for data encryption they are often deployed in corporate environments but for public deployment a simple user name and password pair is more practical the following table is a comparison of the features of authentication types 127
If both an ap and the wireless clients support wpa2 and you have an external radius server use wpa2 for stronger data encryption if you don t have an external radius server you should use wpa2 psk wpa2 pre shared key that only requires a single identical password entered into each access point wireless gateway and wireless client as long as the passwords match a wireless client will be granted access to a wlan 127
If the ap or the wireless clients do not support wpa2 just use wpa or wpa psk depending on whether you have an external radius server or not 127
If this feature is enabled it is not necessary to configure a default encryption key in the wireless security configuration screen you may still configure and store keys but they will not be used while dynamic wep is enabled 127
Key differences between wpa or wpa2 and wep are improved data encryption and user authentication 127
Note eap md5 cannot be used with dynamic wep key exchange 127
Nwd2105 user s guide 127
Select wep only when the ap and or wireless clients do not support wpa or wpa2 wep is less secure than wpa or wpa2 127
Table 30 comparison of eap authentication types 127
Tkip uses 128 bit keys that are dynamically generated and distributed by the authentication server aes advanced encryption standard is a block cipher that uses a 256 bit mathematical algorithm 127
Wi fi protected access wpa is a subset of the ieee 802 1i standard wpa2 ieee 802 1i is a wireless security standard that defines stronger encryption authentication and key management than wpa 127
Wpa and wpa2 127
Wpa improves data encryption by using temporal key integrity protocol tkip message integrity check mic and ieee 802 x wpa2 also uses tkip when required for compatibility reasons but offers stronger encryption than tkip with advanced encryption standard aes in the counter mode with cipher block chaining message authentication code protocol ccmp 127
User authentication 128
Wireless client wpa supplicants 128
Wpa 2 psk application example 129
Wpa 2 with radius application example 129
An antenna couples rf signals onto air a transmitter within a wireless device sends an rf signal to the antenna which propagates the signal through the air the antenna also operates in reverse by capturing rf signals from the air 130
Antenna overview 130
Appendix b wireless lans 130
Authentication method key management protocol 130
Encryptio n method 130
Enter manual key ieee 802 x 130
Figure 114 wpa 2 psk authentication 130
Nwd2105 user s guide 130
Refer to this table to see what other security parameters you should configure for each authentication method or key management protocol type mac address filters are not dependent on how you configure these security features 130
Security parameters summary 130
Table 31 wireless security relational matrix 130
The ap and wireless clients use the tkip or aes encryption process the pmk and information exchanged in a handshake to create temporal encryption keys they use these keys to encrypt data exchanged between them 130
Antenna characteristics 131
Antenna gain 131
Frequency 131
Positioning antennas 131
Radiation pattern 131
Types of antennas for wlan 131
Ppendi 133
Windows wireless management 133
Connecting to a wireless network 134
Note if the network to which you want to connect does not display see the section on setting up a connection manually on page 137 135
Connecting to a network manually 137
Appendix c windows wireless management 139
Click manually connect to a wireless network the following screen displays 139
Figure 122 vista connect manually 139
Label description 139
Nwd2105 user s guide 139
Table 32 vista connect manually 139
The following table describes the labels in this screen 139
Setting up an ad hoc network 140
Note make sure all the wireless clients on your ad hoc network can support the type of security you select 141
Activating wireless zero configuration 142
Windows xp 142
Connecting to a wireless network 145
Association 149
Security settings 149
Appendix c windows wireless management 150
Authentication 150
Click the authentication tab in the wireless network properties screen to display the screen shown next the fields on this screen are grayed out when the network is in ad hoc mode or data encryption is disabled 150
Figure 140 windows xp wireless network properties authentication 150
Label description 150
Nwd2105 user s guide 150
Table 36 windows xp wireless network properties association continued 150
Appendix c windows wireless management 151
Authentication properties 151
Figure 141 windows xp protected eap properties 151
Label description 151
Nwd2105 user s guide 151
Protected eap properties 151
Select an eap authentication type in the wireless network properties authentication screen and click the properties button to display the following screen 151
Table 37 windows xp wireless network properties authentication 151
The following table describes the labels in this screen 151
Appendix c windows wireless management 152
Figure 142 windows xp smart card or other certificate properties 152
Label description 152
Note you must first have a wired connection to a network and obtain the certificate s from a certificate authority ca consult your network administrator for more information 152
Nwd2105 user s guide 152
Smart card or other certificate properties 152
Table 38 windows xp protected eap properties 152
The following table describes the labels in this screen 152
Appendix c windows wireless management 153
Follow the steps below to manage your preferred networks 153
Label description 153
Note you must first have a wired connection to a network and obtain the certificate s from a certificate authority ca consult your network administrator for more information 153
Nwd2105 user s guide 153
Ordering the preferred networks 153
Table 39 windows xp smart card or other certificate properties 153
The following table describes the labels in this screen 153
Wireless network 154
Ppendi 157
Wireless for windows 7 157
Connecting to a wireless network 159
Verifying the settings 160
Legal information 163
Ppendi 163
Fcc radiation exposure statement 164
Industry canada statement 164
Ic radiation exposure statement 165
Notices 165
Viewing certifications 165
Zyxel limited warranty 165
注意 165
Appendix e legal information 166
Compliance information for 2 ghz and 5ghz wireless products relevant to the eu and other countries following the eu directive 1999 5 ec r tte directive 166
Declaration of conformity with regard to eu directive 1999 5 ec r tte directive 166
European union 166
Necessary to restore the product or components to proper operating condition any replacement will consist of a new or re manufactured functionally equivalent product of equal or higher value and will be solely at the discretion of zyxel this warranty shall not apply if the product has been modified misused tampered with damaged by an act of god or subjected to abnormal working conditions 166
Nwd2105 user s guide 166
Register your product online to receive e mail notices of firmware upgrades and information at www zyxel com 166
Registration 166
Regulatory information 166
Repair or replacement as provided under this warranty is the exclusive remedy of the purchaser this warranty is in lieu of all other warranties express or implied including any implied warranty of merchantability or fitness for a particular use or purpose zyxel shall in no event be held liable for indirect or consequential damages of any kind to the purchaser 166
The following information applies if you use the product within the european union 166
To obtain the services of this warranty contact your vendor you may also refer to the warranty policy for the region in which you bought the device at http www zyxel com web support_warranty_info php 166
Appendix e legal information 167
Ce produit peut être utilisé dans tous les pays de l ue et dans tous les pays ayant transposés la directive 1999 5 ce sans aucune limitation excepté pour les pays mentionnés ci dessous 167
National restrictions 167
Nwd2105 user s guide 167
Questo prodotto è utilizzabile in tutte i paesi eu ed in tutti gli altri paesi che seguono le direttive eu 1999 5 ec senza nessuna limitazione eccetto per i paesii menzionati di seguito 167
This product may be used in all eu countries and other countries following the eu directive 1999 5 ec without any limitation except for the countries mentioned below 167

Zyxel NWD2105 [6/176] Document conventions

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