Manuel d'utilisation / d'entretien du produit NBG-416N du fabricant ZyXEL
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www .zyxel.com www .zyxel.com NBG-416N Wireless N-lite Home Router Copyright © 201 1 ZyXEL Communications Corporation Firmware V ersion 1.0 Edition 1, 1/2011 Default Login Details IP Address http://192.
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About This User's Guide NBG-416N User’s Guide 3 About This User's Guide Intended Audience This manual is intended for people who w ant to configure the NBG-416N using the W e b Configurator . Y ou should h ave at least a basic knowledge of T CP/IP networking concepts and topology .
About This User's Guide NBG-416N User’s Guide 4 Documentation Feedback Send your comments, questions or su ggestions to: techwriters@zyxel.com.tw Thank you! The T echnical W riting T eam, Zy XEL Communications Corp. , 6 Innovat ion Road II, Science-Based In dustrial P ark, Hsinchu, 30099, T aiwan.
About This User's Guide NBG-416N User’s Guide 5 Customer Support Should problems arise that cannot be solved by the methods listed above, you shou ld con tact yo ur ve ndor . I f you ca nnot cont act you r vend or , th en co ntac t a Z yXEL office fo r the region in wh ich you bought the de vice.
Document Conventions NBG-416N User’s Guide 6 Document Conventions W arnings and Notes These are how warnings and notes are shown in this User’ s Guide.
Document Conventions NBG-416N User’s Guide 7 Icons Used in Figures Figures in this User’ s Guide ma y use the following generic icons. The NBG-416N icon is not an exact represent ation of your device.
Safety Warnings NBG-416N User’s Guide 8 Safety Warnings • Do NO T use this product near water , for exam ple, in a wet basement or near a swimming pool. • Do NO T expose your device to dampness, dust or corrosive liquids. • Do NO T store things on the device.
Contents Overview NBG-416N User’s Guide 9 Contents Overview User ’ s Guide .............................................................................................. .................... ......... 17 Introduction ............ ............. ...
Contents Overview NBG-416N User’s Guide 10.
Table of Contents NBG-416N User’s Guide 11 Table of Contents About This User's Guide ........................................... ..................................................... .......... 3 Document Conventions............................
Table of Contents NBG-416N User’s Guide 12 4.1 Wizard Setup ............ ............. ................ ............. ................. ................ ............. .......... ......... 35 4.2 Connection Wizard: STEP 1: Sys tem Information .. ....
Table of Contents NBG-416N User’s Guide 13 7.2 What Y ou Can Do .................. ................ ............. ................. ................ ............. .............. ..... 68 7.3 What Y ou Should Know ...... ....... ................ ....
Table of Contents NBG-416N User’s Guide 14 1 1.1 Overview .................. ................ ............. ................ ............. ................ ............. ..... ......... 1 01 1 1.2 What Y ou C an Do .......... ............. .........
Table of Contents NBG-416N User’s Guide 15 Chapter 16 Logs ............................................................................ ............................................... ............ 131 16.1 Overview ........... ................ .....
Table of Contents NBG-416N User’s Guide 16 Appendix D Wireless LANs ................................................. ................................................. 193 21.0.2 WP A(2)-PSK Application Ex ample .......... ................. ........
17 P ART I User ’ s Guide.
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NBG-416N User’s Guide 19 C HAPTER 1 Introduction 1.1 Overview This chapter introduces the main feat ures and applications of the NBG-416N. The NBG-416N extends the r ange of yo ur existing wired network without additional wiring, pro viding easy network access to mobile users.
Chapter 1 Intro duction NBG-416N User’s Guide 20 1.3 W ays to Manage the NBG-416N Use any of the fol lowing meth ods to manage the NBG-416N. • WPS (Wi-Fi Protected Setup). Y ou can us e the WPS button or the WPS section of the W eb Configurator to set up a wireless network with your Z yXEL Device.
Chapter 1 Introduction NBG-416N User’s Guide 21 LAN 1-4 Green On The NBG-416N has a successful 10/100MB LAN connection. Blinking The NBG-416N is sending/receiving data through the LAN. Off The LAN is not connected. WAN Green On The NBG-416N has a successful 10/100MB WAN connection.
Chapter 1 Intro duction NBG-416N User’s Guide 22.
NBG-416N User’s Guide 23 C HAPTER 2 The WPS Button 2.1 Overview Y our NBG-416N supports WiFi Protected Setup (WPS), which is an easy w ay to set up a secure wireless network.
Chapter 2 The WPS Button NBG-416N User’s Guide 24.
NBG-416N User’s Guide 25 C HAPTER 3 The Web Configurator 3.1 Overview This chapter describes how to ac cess the NBG-416N W eb Configurator and provides an ov erview of its screens. The W eb Configurator is an HTML -based m anagement interface that allows easy setup and management of the NBG-416N via Internet browser .
Chapter 3 The Web Configurator NBG-416N User’s Guide 26 4 Ty p e admin (default) as the user name and 1234 (default) as the password and click OK . Figure 3 Login Screen 5 Y ou should see a screen asking you to change y our password (highly recommended) as shown next.
Chapter 3 The Web Configurator NBG-416N User’s Guide 27 • Select a language to go to the basic W eb Configur ator in that language. T o change to the adv anc ed configur ator see Chapter 19 on p age 143 .
Chapter 3 The Web Configurator NBG-416N User’s Guide 28 3.5 S t atus Screen (Router Mode) Click on Status . The screen below shows the status screen in Router Mode .
Chapter 3 The Web Configurator NBG-416N User’s Guide 29 The following table describes t he labels shown in the Status screen. T able 3 Web Configurator Status Screen (Router Mode) LABEL DESCRIPTION Device Information System Name This is the System Name yo u enter in the Maintenance > System > General screen.
Chapter 3 The Web Configurator NBG-416N User’s Guide 30 3.5.1 Navigation Panel Use the sub-menus on the navi gation panel to configure NBG-416N features. The following table describes t he sub-menus. System Setting - Firewall This shows whether the firewall is active or not.
Chapter 3 The Web Configurator NBG-416N User’s Guide 31 Wireless LAN General Use this screen to configure wireless LAN. MAC Filter Use the MAC filter screen to configure the NBG-416N to block access to devices or block the devices from accessing the NBG-416N.
Chapter 3 The Web Configurator NBG-416N User’s Guide 32 3.5.2 Summary: DHCP T able DHCP (Dynamic Host Configur ation Protocol , RFC 2131 and RFC 2132) allows individual clients to obtai n TCP/IP config uration at start -up from a server . Y ou can configure the NBG-416N’ s LAN as a DHCP serv er or disable it.
Chapter 3 The Web Configurator NBG-416N User’s Guide 33 3.5.3 Summary: Packet S t atistics Click the Packet Statistics (Details...) hyperlink in the Status screen. Read- only information here includes port status, packet specific statisti cs and the "system up time".
Chapter 3 The Web Configurator NBG-416N User’s Guide 34 3.5.4 Summary: WLAN S t ation S t atus Click the WLAN Station Status (Details...) hy p er lin k in th e Status screen. View the wireless stations that are currently associated to the NBG-416N in the Association List .
NBG-416N User’s Guide 35 C HAPTER 4 Connection Wizard 4.1 Wizard Setup This chapter provides information on the wizard setup screens in the W eb Configurator . The W eb Configur ator’s wizard setup helps y ou configure your device to access the Internet.
Chapter 4 Conn ection Wizard NBG-416N User’s Guide 36 2 Choose a language by clicking on the lang uage’ s button. The screen will update. Click the Next button to proceed to the next screen. Figure 1 1 Select a Language 3 Read the on-screen information and click Next .
Chapter 4 Connection Wizar d NBG-416N User’s Guide 37 4.2.2 Domain Name The Domain Name entry is what is propag ated to the D HCP clients on the LAN.
Chapter 4 Conn ection Wizard NBG-416N User’s Guide 38 4.3 Connection Wizard: STEP 2: W ireless LAN Set up your wireless LAN using the following sc reen. Figure 14 Wizard S tep 2: Wireless LAN The following table describes t he labels in this screen.
Chapter 4 Connection Wizar d NBG-416N User’s Guide 39 Note: The wireless stations and NBG-416N must u se the same SSID, channel ID, WP A-PSK (if WP A-PSK is enabled) or WP A2-PSK (if WP A2-PSK is enabled) for wireless communication .
Chapter 4 Conn ection Wizard NBG-416N User’s Guide 40 This wizard screen v aries according to the connection t ype that you select. Figure 16 Wizard S tep 3: ISP Parameters. The following table describes t he labels in this screen, 4.4.1 Ethernet Connection Choose Ethernet when the WAN port is used as a regular Ethernet.
Chapter 4 Connection Wizar d NBG-416N User’s Guide 41 personal computer intera cts with a broadband modem (for example DSL, cable, wireless, etc.) to achiev e access to high-speed data networks. For the service provider , PPPoE offers an ac cess and authentica tion method that works with existing access control sys tems (for instance, RADIUS).
Chapter 4 Conn ection Wizard NBG-416N User’s Guide 42 4.4.3 PPTP Connection P oint-to-P oint T unneling Protocol (PPTP) is a network protocol that enables transfers of data from a remote client to a priv ate server , creating a Virtual Private Network (VPN) using T CP/IP-based network s.
Chapter 4 Connection Wizar d NBG-416N User’s Guide 43 4.4.4 Y our IP Address The following wizard screen allows y ou to assign a fixed IP add ress or give the NBG-416N an automatically assigned IP address depending on your ISP .
Chapter 4 Conn ection Wizard NBG-416N User’s Guide 44 4.4.5 W AN IP Address Assignment Every computer on the Internet must have a unique IP address. If your networks are isolated from the Intern et, for instance, only between your two b ranch offices, you can assign an y IP addresses to the hosts without problems.
Chapter 4 Connection Wizar d NBG-416N User’s Guide 45 Onc e you have d ec ide d on the net wor k n umb er , p ick an I P ad dre ss t ha t is e asy to remember , for instance, 192.168.1.1, for yo ur NBG-416N, but make sure that no other device on your network is using t hat IP address.
Chapter 4 Conn ection Wizard NBG-416N User’s Guide 46 4.4.8 W AN IP and DNS Server Address Assignment The following wizard screen allows you to assign a fixed W AN IP address and DNS server addresses.
Chapter 4 Connection Wizar d NBG-416N User’s Guide 47 4.4.9 W AN MAC Address Every Ethernet dev ice has a unique MAC (Media Access Cont rol) address. The MAC address is assigned at the factory and consists of six pairs of hexadecimal characters, for example, 00:A0:C5:00:00:02.
Chapter 4 Conn ection Wizard NBG-416N User’s Guide 48 4.5 Connection Wizard Complete Click Finish to complete the wizard setup. Figure 23 Connection Wizard Complete W e ll done! Y ou have successfully set up your NBG-416N to oper ate on your network and access the Internet.
NBG-416N User’s Guide 49 C HAPTER 5 AP Mode 5.1 Overview This chapter discusses how to configure setti ngs while your NBG-416N is set to AP Mode . Many screens that are av ailable in Router Mode are not av ailable in AP Mode . Note: See Chapter 6 on page 57 fo r an example of setting up a wireless network in AP mode.
Chapter 5 AP Mode NBG-416N User’s Guide 50 2 T o set your NBG-416N to AP Mode , go to Maintenance > Sys OP Mode > General and select Access Point. Figure 25 Maintenance > Sys OP Mode > General 3 A pop-up appears providing information on this mode.
Chapter 5 AP Mode NBG-416N User’s Guide 51 The following table describes t he labels shown in the Status screen. T able 19 Status Screen (AP Mode) LABEL DESCRIPTION Device Information System Name This is the System Name yo u enter in the Maintenance > System > General screen.
Chapter 5 AP Mode NBG-416N User’s Guide 52 5.3.1 Navigation Panel Use the menu in the navigation pane l to configure NBG-416N features in AP Mode . The following screen and tabl e show the features you can configure in AP Mode . Figure 27 Menu: AP Mode The following table describes t he sub-menus.
Chapter 5 AP Mode NBG-416N User’s Guide 53 5.4 Configuring Y our Settings Use this section to configure your NBG-416N settings whi le in AP Mode . 5.4.1 LAN Settings Click Networ k > LAN to see the screen below . Wireless LAN Gener al Use this screen to configure wireless LAN.
Chapter 5 AP Mode NBG-416N User’s Guide 54 Note: If you change the IP addr ess of the NBG-416N in the screen below , you will need to log into the NBG-416N again usin g the new IP address. Figure 28 Network > LAN > IP The table below describes the labels in the screen.
Chapter 5 AP Mode NBG-416N User’s Guide 55 2 The default IP address of the NBG-416N i s “192.168.1.2” . In this case, your computer must have an IP address in the r ange between “192.168.1.3” and “192.168.1.254” . 3 Click Start > Run on your computer in Windows.
Chapter 5 AP Mode NBG-416N User’s Guide 56.
NBG-416N User’s Guide 57 C HAPTER 6 Tutorials 6.1 Overview This chapter provides tutorials for your NBG-416N as follows: • How to Connect to the Internet from an AP • Configure Wireless Security Using WPS on both your NBG-416N and Wireless Client • Enable and Configure Wireless Secu rity without WPS on your NBG-416N 6.
Chapter 6 Tutorials NBG-416N User’s Guide 58 There are two WPS methods for creating a secure connection. This tutori al shows you how to do both. • Push Button Configuratio n (PBC) - create a secure wireless network simply by pressing a button. See Section 6.
Chapter 6 Tutorials NBG-416N User’s Guide 59 The following figure shows y ou an example to set up wireless network and securit y by pressing a button on both NBG-416N an d wireless client (the NWD210N i n this example). Figure 30 Example WPS Process: PBC Method 6.
Chapter 6 Tutorials NBG-416N User’s Guide 60 The following figure shows y ou the example to set up wireless network and security on NBG-416N and wireless client (ex.
Chapter 6 Tutorials NBG-416N User’s Guide 61 6.3 Enable and Configure Wireless Security without WPS on your NBG-416N This example shows you how to configure wireless security settings with the following parameters on y our NBG-416N. Fol low the steps below to configure the wireless set tings on your NBG-416N.
Chapter 6 Tutorials NBG-416N User’s Guide 62 5 Open the Status s creen. V erify y our wireless and wireless s ecurity settings under Device Information and check if the WLAN connection is up under Interface Status . Figure 33 T utorial: S tatu s Screen 6.
Chapter 6 Tutorials NBG-416N User’s Guide 63 4 Select SSID_Example3 and click Connect . Figure 34 Connecting a Wireless Client to a Wireless Network t 5 Select WP A-PSK and type the securit y key in the following screen. Click Next . Figure 35 Security Settings 6 The Confirm Sav e window appears.
Chapter 6 Tutorials NBG-416N User’s Guide 64 7 Check the status of your wireless connection in the screen below . If your wireless connection is weak or you have no connection, see the T roubleshooting section of this User’s Guide. Figure 37 Link S tatus If your connection is successful, open your Internet browser and enter http:// www .
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NBG-416N User’s Guide 67 C HAPTER 7 Wireless LAN 7.1 Overview This chapter discusses how to configure th e wireles s network settings in your NBG-416N. See the appendices for more detailed information about wireless networks. The following figure provides an example of a wireless network.
Chapter 7 Wireless LAN NBG-416N User’s Guide 68 7.2 What Y ou Can Do •U s e t h e General screen to enable the Wireless LAN, enter the SSID and select the wireless security mode ( Section 7.
Chapter 7 Wireless LAN NBG-416N User’s Guide 69 In addition, you should change the default SSID to something th at is difficu lt to guess. This type of sec urity is fairly weak, howev er , because there are ways for unauthorized devices to g et the SSID.
Chapter 7 Wireless LAN NBG-416N User’s Guide 70 Local user databases also hav e an addition al l imitation that is explained i n the next section. 7.3.1.4 Encryption Wireless networks can us e encryption to protect th e information that is sent in t he wireless network.
Chapter 7 Wireless LAN NBG-416N User’s Guide 71 7.3.1.5 WPS WiFi Protected Setup (WPS) is an industry standard specification, defined by the WiFi Alliance. WPS allo ws you to quickl y set up a wireless network with strong security , without having to configure secu rit y settings manually .
Chapter 7 Wireless LAN NBG-416N User’s Guide 72 The following table describes t he genera l wireless L AN labels in this screen. See the rest of this chapter for informat ion on the other labels in this screen. 7.4.1 No Security Select No Security to allow wireless stations to communicate with the access points without any data encrypti on.
Chapter 7 Wireless LAN NBG-416N User’s Guide 73 Note: If you do not enable an y wireless security on your NBG-416 N, your network is accessible to any wireless networ king de vice that is within range. Figure 40 Network > Wireless LAN > General: No Security The following table describes t he labels in this screen.
Chapter 7 Wireless LAN NBG-416N User’s Guide 74 In order to configure and enable WEP encr yption; click Network > Wireless LAN to display the General screen.
Chapter 7 Wireless LAN NBG-416N User’s Guide 75 7.4.3 WP A-PSK/WP A2-PSK Click Networ k > Wireless LAN to display the General screen. Select WPA-PSK or WPA2-PSK from the Security Mode list. Figure 42 Network > Wireless LAN > General: WP A-PSK/WP A2-PSK The following table describes t he labels in this screen.
Chapter 7 Wireless LAN NBG-416N User’s Guide 76 7.5 MAC Filter The MAC filter screen allows you to co nfigure the NBG-416N to giv e exclusiv e access to up to 16 devi ces (Allow) or ex clude up to 16 devices from accessing the NBG-416N (Deny). Every Ethernet devi ce has a unique MAC (Media Access Control) address.
Chapter 7 Wireless LAN NBG-416N User’s Guide 77 7.6 Wireless LAN Advanced Screen Use this screen to allow i ntra-BS S ne tworking and set the R TS/CTS Threshold. Click Netw ork > Wireless LAN > Advanced . The screen appears as shown. Figure 44 Network > Wireless LAN > Advanced The following table describes t he labels in this screen.
Chapter 7 Wireless LAN NBG-416N User’s Guide 78 Fragmentation Threshold The threshold (number of bytes) for the fr agmentation boundary for directed messages. It is the maximum data fragment size that can be sent. Enter an even number between 256 and 2346 .
Chapter 7 Wireless LAN NBG-416N User’s Guide 79 7.7 Quality of Service (QoS) Screen Use the QoS screen to enable Wi fi MultiMedia Quality of Service (WM MQoS). This allows the NBG- 416N to autom atically set priority leve ls to service s, such as e- mail, V oIP , chat, and so on.
Chapter 7 Wireless LAN NBG-416N User’s Guide 80 7.8 WPS Screen Use this screen to enable/disable WPS, view or generate a new PIN number and check current WPS status. T o open this screen, click Network > Wireless LAN > WPS tab. Figure 46 Network > Wireless LAN > WPS The following table describes t he labels in this screen.
Chapter 7 Wireless LAN NBG-416N User’s Guide 81 7.9 WPS S t ation Screen Use this screen when y ou want to add a wireless station using WPS . T o open this screen, click Network > Wireless LAN > WPS Station tab .
Chapter 7 Wireless LAN NBG-416N User’s Guide 82 on or off on certain days and at cert ain times. T o open this screen, click Networ k > Wireless LAN > Scheduling tab. Figure 48 Network > Wireless LAN > Scheduling The following table describes t he labels in this screen.
NBG-416N User’s Guide 83 C HAPTER 8 WAN 8.1 Overview This chapter discusses the NBG-416N’ s WAN screens. Use these screens to configure your NBG-416N for Internet access. A WAN (Wide Area Network) connection is an outside connection to another network or the Internet.
Chapter 8 WAN NBG-416N User’s Guide 84 8.2.1 Configuring Y our Internet Connection Encap sulation Method Encapsulation is used to include data from an upper layer protocol into a lower layer protocol. T o set up a WAN connection to the Intern et, you need to use the same encapsulation method used by your ISP (Internet Service Provider).
Chapter 8 WAN NBG-416N User’s Guide 85 Otherwise, click Clone the computer's MAC address - IP Addre ss and enter the IP address of the computer on the LA N whose MAC you are cloning. On ce it is successfully configured, the ad dress will be copied to configuration fil e.
Chapter 8 WAN NBG-416N User’s Guide 86 The following table describes t he labels in this screen. T able 33 Network > W AN > Internet Connection: Ethernet Encapsulation LABEL DESCRIPTION ISP Par ameters for Internet Access Connection T ype Y ou must choose the Ethernet option when the WAN port is used as a regular Ethernet.
Chapter 8 WAN NBG-416N User’s Guide 87 8.3.2 PPPoE Encap sulation The NBG-416N supports PPP oE (P oint- to-Po int Protocol o ver Ethernet). PPPoE i s an IETF standard (RFC 2516) specif ying how a personal computer (PC) inter acts with a broadband modem (DSL, cabl e, wireless, etc.
Chapter 8 WAN NBG-416N User’s Guide 88 The following table describes t he labels in this screen. 8.3.3 PPTP Encap sulation P oint-to-P oint T unneling Prot ocol (PPTP) is a network pr otocol that enables secure transfer of data from a remote client to a private server , creating a Virtual Priv ate Network (VPN) using T CP/IP-based network s.
Chapter 8 WAN NBG-416N User’s Guide 89 PPTP supports on-demand, multi-protocol and virtual priv ate networking over public networks, such as the Internet. This screen displays when y ou select PPTP encapsulation. Figure 52 Network > W AN > Internet Connection: PPTP Encap sulation The following table descri bes the labels in this screen.
Chapter 8 WAN NBG-416N User’s Guide 90 P assword T ype the password associated with the User Name above. Re type to Confirm T ype you r pa ssw ord ag ain to m ake s ur e th at yo u ha ve en ter ed correctly . MTU Size Enter the MTU or the largest packet size per frame that yo ur NBG- 416N can receive and process.
NBG-416N User’s Guide 91 C HAPTER 9 LAN 9.1 Overview This chapter describes how to configure LAN setti ngs. A Local Area Network (LAN) is a shared communicat ion system to which many computers are attached. A LAN is a computer network limited to the immediate area, usually the same building or floor of a building.
Chapter 9 LAN NBG-416N User’s Guide 92 9.2 What Y ou Need T o Know The actual physical connection determ ines whether the NBG-416N ports are LAN or W AN ports. There are two se parate IP networks, one insi de the LAN ne twork and the other outside the WAN network as shown next.
Chapter 9 LAN NBG-416N User’s Guide 93 9.3 LAN IP Screen Use this screen to change y our basic LAN settings. Cl ick Network > LAN . Figure 55 Network > LAN > IP The following table describes t he labels in this screen.
Chapter 9 LAN NBG-416N User’s Guide 94.
NBG-416N User’s Guide 95 C HAPTER 10 DHCP Server 10.1 Overview DHCP (Dynamic Host Configur ation Protocol , RFC 2131 and RFC 2132) allows individual clients to obtai n TCP/IP config uration at start -up from a server . Y ou can configure the NBG-416N’ s LAN as a DHCP serv er or disable it.
Chapter 10 DHCP Server NBG-416N User’s Guide 96 10.4 General Screen Use this screen to enable the DHCP server . Click Networ k > DHCP Server . The following screen displays. Figure 56 Network > DHCP Server > General The following table describes t he labels in this screen.
Chapter 10 DHCP Server NBG-416N User’s Guide 97 T o change your NBG- 416N’s static DHCP settin gs, click Network > DHCP Server > Advanced . The following scre en displays. Figure 57 Network > DHCP Server > Advanced The following table describes t he labels in this screen.
Chapter 10 DHCP Server NBG-416N User’s Guide 98 10.6 Client List Screen The DHCP table shows current DHCP client information (including IP Address , Host Name and MAC Address ) of network clients us ing the NBG-416N’ s DHCP servers. Configure this screen to always assig n an IP address to a MAC address (and host name).
Chapter 10 DHCP Server NBG-416N User’s Guide 99 The following table describes t he labels in this screen. T able 39 Network > DHCP Server > Client List LABEL DESCRIPTION # This is the index number of the host computer . IP Address This field displays the IP addr ess relative to the # field listed above.
Chapter 10 DHCP Server NBG-416N User’s Guide 100.
NBG-416N User’s Guide 101 C HAPTER 11 Network Address Translation (NAT) 1 1.1 Overview This chapter discusses how to configure NA T on the NBG-416N. NA T (Network Address T ranslation - NA T , RFC 1631) is the tr anslation of the IP address of a host in a packet.
Chapter 11 Network Addr ess Translation (NAT) NBG-416N User’s Guide 102 For more information on IP address translation, refer to RF C 1631 , The IP Network Address Translator (NAT) . Note: Y ou must create a firewall rule in addition to setting up NA T , to allow traffic from the W AN to be forwarded thro ugh the NBG-416N.
Chapter 11 N etwork A ddress Trans lation (NAT) NBG-416N User’s Guide 103 Note: NA T never changes the IP address (eit her local or global) of an out side host.
Chapter 11 Network Addr ess Translation (NAT) NBG-416N User’s Guide 104 so incoming reply packets can have their original v alues restored. The f ollowing figure illustr ates this. Figure 60 How NA T Works 1 1.3 General NA T Screen Use this screen to enable NA T and set a default server .
Chapter 11 N etwork A ddress Trans lation (NAT) NBG-416N User’s Guide 105 1 1.4 NA T Application Screen Use the Application screen to forward incoming serv ice requests to the server(s) on your local network. Y ou may enter a si ngle port number or a range of port numbers to be forwarded, and the local IP address of the desired server .
Chapter 11 Network Addr ess Translation (NAT) NBG-416N User’s Guide 106 Ref e r t o Appendix E on page 205 for port numbers commonly used for particular services. Figure 62 Network > NA T > Application The following table describes t he labels in this screen.
Chapter 11 N etwork A ddress Trans lation (NAT) NBG-416N User’s Guide 107 1 1.5 T echnical Reference The following section contains additional technical information about the NBG- 416N features described in this chapter .
Chapter 11 Network Addr ess Translation (NAT) NBG-416N User’s Guide 108 to the default server . If the default is no t defined, the servic e request is simply discarded. Note: Many residential broadband ISP accoun t s do not allow you to run any server processes (such as a We b or FTP server) from your location.
NBG-416N User’s Guide 109 C HAPTER 12 Firewall 12.1 Overview Use these screens to enable and configure the firewal l that protects your NBG- 416N and your LAN from unwanted or malicious traffic. Enable the firew all to protect your LAN co mput ers from attacks by hackers on the Internet and control access between the LAN and W AN.
Chapter 12 Firewall NBG-416N User’s Guide 11 0 •U s e t h e Services screen to enable or disable ICMP and VPN passthrough features ( Section 12.5 on page 111 ). 12.3 What Y ou Need T o Know The NBG-416N’ s firewal l feature physically separ ates the LAN and the W AN and acts as a secure gateway for all data passing between the networks.
Chapter 12 Firewall NBG-416N User’s Guide 111 12.4 General Firewall Screen Use this screen to enable or disable th e NBG-416N’ s firewall, and set up fi rewall logs. C lick Security > Firewall to open the General screen. Figure 65 Security > Firewall > General The following table describes t he labels in this screen.
Chapter 12 Firewall NBG-416N User’s Guide 11 2 The following table describes t he labels in this screen. T able 44 Security > Firewall > Services LABEL DESCRIPTION ICMP Internet Control Message Protocol is a message control and error - reporting protocol between a host server and a gatew ay to the Internet.
NBG-416N User’s Guide 11 3 C HAPTER 13 Remote Management 13.1 Overview This chapter provides information on the Remote Manage ment screens. Re mote management allows you to determi ne which services/protocols can acces s which NBG-416N interface (if an y) from which computers.
Chapter 13 Remo te Management NBG-416N User’s Guide 11 4 13.2.1 Remote Management Limit ations Re mote management over LAN or W AN will not work when: 1 Y ou have disabled that service in one of the remo te management screens. 2 The IP address in the Secured Client IP Address field does not match the client IP address.
Chapter 13 Remote Manag ement NBG-416N User’s Guide 11 5 13.3 WWW Screen T o change your NBG-416N’ s W orld Wide W eb settings, clic k Management > Remote MGMT to display the WWW screen. Figure 67 Managemen t > Remote MGMT > WWW The following table describes t he labels in this screen.
Chapter 13 Remo te Management NBG-416N User’s Guide 11 6.
NBG-416N User’s Guide 11 7 C HAPTER 14 Universal Plug-and-Play (UPnP) 14.1 Overview This chapter introduces the UPnP feature in the W eb Configur ator . Universal Plug and Play (UPnP) is a d ist ributed, open networking standard that uses TCP/IP for simple peer -to-peer ne twork connec tivity betwe en devices.
Chapter 14 Universal Plug-and-Play (UPnP) NBG-416N User’s Guide 11 8 See the NA T chapter for more information on NA T . Cautions with UPnP The automated nature of NA T tra versal applications in estab lishing their own services and opening firewall ports may present network security issues.
Chapter 14 Universal Plug-and-Play (UPnP) NBG-416N User’s Guide 11 9 The following table describes t he labels in this screen. 14.4 T echnical Reference The sections show examples of using UPnP . 14.4.1 Using UPnP in Windows XP Example This section shows y ou how to use the UPnP feature in Windows XP .
Chapter 14 Universal Plug-and-Play (UPnP) NBG-416N User’s Guide 120 2 Right- click the icon and select Properties . Figure 69 Network Connections 3 In the Internet Connection Properties window , click Settings to see the port mappings there were automatically created.
Chapter 14 Universal Plug-and-Play (UPnP) NBG-416N User’s Guide 121 4 Y ou may edit or delete the port mapping s or click Add to manually add port mappings.
Chapter 14 Universal Plug-and-Play (UPnP) NBG-416N User’s Guide 122 6 Double-click on the icon to display y o ur current In ternet connection status.
Chapter 14 Universal Plug-and-Play (UPnP) NBG-416N User’s Guide 123 3 Select My Network Places under Other Places . Figure 75 Network Connections 4 An icon with the description f or each UPnP-enabled device displays under Local Network . 5 Right- click on the icon for your NBG-416N and select Invoke .
Chapter 14 Universal Plug-and-Play (UPnP) NBG-416N User’s Guide 124.
NBG-416N User’s Guide 125 C HAPTER 15 System 15.1 Overview This chapter provides information on the System screens. See the chapter about wizard setup for mo re information on t he next few screen s. 15.2 What Y ou Can Do •U s e t h e General screen to enter a name to id entify the NBG-416N in the network and set the password ( Section 15.
Chapter 15 System NBG-416N User’s Guide 126 The following table describes t he labels in this screen. T able 47 Maintenance > System > General LABEL DESCRIPTION Syst e m S et up Syst e m N am e System Name is a unique name to identify the NBG-416N in an Ethernet network.
Chapter 15 System NBG-416N User’s Guide 127 15.4 T ime Setting Screen T o change your NBG- 416N’ s time and date, click Mainten ance > System > Time Setting . The screen appears as shown. Use this screen to configure the NBG- 416N’ s time based on your local time zone.
Chapter 15 System NBG-416N User’s Guide 128 New Time (hh:mm:ss) This field displays the last updated time from the time server or the last time configured manually . When you set Time and Date Setup to Manual , enter the new time in this field and then click Apply .
Chapter 15 System NBG-416N User’s Guide 129 End Date Configure the day and time when Daylight Sa ving Time ends if you selected Daylight Savings . The o'clock field uses the 24 hour format. Here are a couple of examples: Daylight Saving Time ends in the Un ited States on the last Sunday of October .
Chapter 15 System NBG-416N User’s Guide 130.
NBG-416N User’s Guide 131 C HAPTER 16 Logs 16.1 Overview This chapter contains information abou t configuring general log set tings and viewing the NBG-416N’ s logs. The W e b Configurator allows you to look at all of the NBG-416N’ s logs in one location.
Chapter 16 Logs NBG-416N User’s Guide 132 Click Maintenance > Logs to open the View Log screen. Figure 79 Maintenance > Lo gs > View Log The following table describes t he labels in this screen. T able 49 Maintenance > Logs > V iew Log LABEL DESCRIPTION Ref r e s h Click Refresh to renew the log screen.
NBG-416N User’s Guide 133 C HAPTER 17 Tools 17.1 Overview This chapter shows you how t o upload a new firmware, upload or sa ve backup configur ation files and restart the NBG-416N. 17.2 What Y ou Can Do •U s e t h e Firmware screen to upload firmware to your NBG-416N ( Sec tion 17.
Chapter 17 Tools NBG-416N User’s Guide 134 Click Maintenance > Too ls . Fol low the instructions in this screen to upload firmware to y our NBG-416N. Figure 80 Maintenance > T ools > Firmware The following table describes t he labels in this screen.
Chapter 17 Tools NBG-416N User’s Guide 135 The NBG-416N automatically restarts in thi s time causing a temporary net work disconnect. In some oper ating systems, y ou may see the following icon on your desktop. Figure 82 Network T emporarily Disconnected After two minutes, log in again and ch eck your new firmware version in the Status screen.
Chapter 17 Tools NBG-416N User’s Guide 136 17.4 Configuration Screen Click Maintenance > Too ls > Configuration . Informa tion rela ted to factory defaults, backup configuration, and restoring configur ation appears as shown next. Figure 84 Maintenance > T ools > Configuration 17.
Chapter 17 Tools NBG-416N User’s Guide 137 17.4.2 Restore Configuration Restore configur ation allows you to upload a new or previously saved configur ation file from your computer to y our NBG-416N. Note: Do not turn of f the NBG-416N while configura tion file upload is in progress.
Chapter 17 Tools NBG-416N User’s Guide 138 If the upload was not successful, the following screen will appear . Click Return to go back to the Configuration screen.
NBG-416N User’s Guide 139 C HAPTER 18 Sys OP Mode 18.1 Overview The Sys OP Mode (System Operation Mode) function lets you configure whether your NBG-416N is a router or AP . Y ou can choose between Router Mode and AP Mode depending on your network topology and the features you require from your device.
Chapter 18 Sy s OP Mode NBG-416N User’s Guide 140 AP An AP extends one network and so has just one IP address. All Ethernet ports on the AP have the same IP address. T o connect to the Interne t, another d evice, such as a router , is required. Figure 90 IP Address in AP Mode 18.
Chapter 18 Sys OP Mode NBG-416N User’s Guide 141 • Y ou can configure the IP address settings on your W AN port. Contact y our ISP or system administr ator for more in format ion on appropriate settings. If you sel ect Access P oint the following pop-up message window ap pears.
Chapter 18 Sy s OP Mode NBG-416N User’s Guide 142.
NBG-416N User’s Guide 143 C HAPTER 19 Language 19.1 Language Screen Use this screen to change the language for t he W eb Configur ator display . Click the language you prefer . The W e b Configurator language changes after a while without restarting the NBG-416N.
Chapter 19 La nguage NBG-416N User’s Guide 144.
NBG-416N User’s Guide 145 C HAPTER 20 Troubleshooting This chapter offers some suggesti ons to solve problems you mi ght encounter . The potential problems are divided into the following categories .
Chapter 20 Trou bleshooting NBG-416N User’s Guide 146 3 Inspect your cables for damage. Cont act the vendor to replace any damaged cables. 4 Disconnect and re-connect the power adaptor to the NBG-416N. 5 If the problem continues, contac t the vendor .
Chapter 20 Trou bleshooting NBG-416N User’s Guide 147 2 If this does not work, you have to reset the device to its factory defaults. See Section 20.4 on page 149 . I cannot see or access the Login screen in the W eb Configurator . 1 Make sure you are using t he correct IP address.
Chapter 20 Trou bleshooting NBG-416N User’s Guide 148 1 Make sure you have entered the password correctly . The default username is admin and default password is 1234 . This field is case-sensitiv e, so make sure [Caps Lock] is not on. 2 This can happen when y ou fail to log out properly from y our last session.
Chapter 20 Trou bleshooting NBG-416N User’s Guide 149 1 Check the hardware connections, and ma k e sure the LEDs are behav ing as expected. See the Quick Start Guide and Section 1.5 on page 20 . 2 Reboot the NBG-416N. 3 If the problem continues, contac t your ISP .
Chapter 20 Trou bleshooting NBG-416N User’s Guide 150 2 Press the RESET button for longer than 1 second to restart/reboot the NBG-416N. 3 Press the RESET button for longer than fi ve seco nds to set the NBG-416N back to its factory -default configur ations.
Chapter 20 Trou bleshooting NBG-416N User’s Guide 151 When you change from router mode to AP mode, your computer must have an IP address in the r ange between “192.168.1.3” and “192.168.1.254” . Ref e r t o Appendix C on page 175 for instructions on how to change y our computer’s IP ad dress.
Chapter 20 Trou bleshooting NBG-416N User’s Guide 152.
NBG-416N User’s Guide 153 C HAPTER 21 Product Specifications The following tables summarize the NBG- 416N’ s hardware and firmware features. T able 53 Hardware Features Dimensions (W x D x H) 162 .
Chapter 21 Product Specifications NBG-416N User’s Guide 154 T able 54 Firmware Features FEATUR E DESCRIPTION Default LAN IP Add ress 192.168.1.1 (router) 192.168.1.2. (AP) Default LAN Subnet Mask 255.255.255.0 (24 bits) Default Username admin Default P assword 1234 DHCP P ool 192.
Chapter 21 Product Specifications NBG-416N User’s Guide 155 Time and Date Get the current time and date from an external server when you turn on your NBG-416N.
Chapter 21 Product Specifications NBG-416N User’s Guide 156.
NBG-416N User’s Guide 157 A PPENDIX A IP Addresses and Subnetting This appendix introduces IP addresses and subnet masks. IP addresses identify indi vidual devices on a network. Every networking device (including computers, serv ers, routers, printers, etc.
Appendix A IP Addre sses and Sub netting NBG-416N User’s Guide 158 The following figure shows an example IP address in which the first three octets (192.
Appendix A IP Addresses and Subnetting NBG-416N User’s Guide 159 By conv ention, subnet masks alw ays cons ist of a continuous sequence of ones beginning from the leftmost bit of the mask, followed by a continuous sequence of zeros, for a total number of 32 bits.
Appendix A IP Addre sses and Sub netting NBG-416N User’s Guide 160 As these two IP addresses cannot be us ed for individual hosts, calculat e the maximum number of possible host s in a network as fo.
Appendix A IP Addresses and Subnetting NBG-416N User’s Guide 161 Subnetting Y ou can use subnetting to divide one ne tw ork into multiple sub-networks. In the following example a network administrator creates t wo sub-networks to isolate a group of servers from the rest of th e compan y network for security reasons.
Appendix A IP Addre sses and Sub netting NBG-416N User’s Guide 162 The following figure shows the company network after subnet ting. There are now two sub-n etworks, A and B .
Appendix A IP Addresses and Subnetting NBG-416N User’s Guide 163 Each subnet contains 6 host ID bit s, giving 2 6 - 2 or 62 hosts f or each subnet (a host ID of all zeroes i s the subnet it self , all ones is the subnet’s broadcast address). T able 59 Subnet 1 IP/SUBNET MASK NETWORK NUMBER LAST OCTET BIT VA L U E IP Address (Decimal) 192.
Appendix A IP Addre sses and Sub netting NBG-416N User’s Guide 164 Example: Eight Subnet s Similarly , use a 27-bit mask to create eight subnets (000, 001, 010, 011, 100, 101, 110 and 111). The following table shows IP address last octet values for each sub net.
Appendix A IP Addresses and Subnetting NBG-416N User’s Guide 165 The following table is a summary for subnet planning on a network with a 16-bit network number . Configuring IP Addresses Where you obtain your network number depends on your particular situation.
Appendix A IP Addre sses and Sub netting NBG-416N User’s Guide 166 that you entered. Y ou don't need to ch ange the subnet mask computed by the NBG-416N unless you are instructed to d o otherwise. Private IP Addresses Every machine on the In ternet must ha ve a uni que address.
NBG-416N User’s Guide 167 A PPENDIX B Pop-up Windows, JavaScript and Java Permissions In order to use the W eb Configurator you need to allow: • W eb browser pop-up wind ows from your device. • Jav aScript (enabl ed by default). • Jav a permissions (enabled by default).
Appendix B Pop-up Windows, Ja vaS cript and Java Permissions NBG-416N User’s Guide 168 1 In Internet Explorer , select Tools , Internet Options , Privacy . 2 Clear the Block pop-ups check box in the Pop-up Blocker sect ion of the screen. This disables an y web pop-up block ers you may have enabled.
Appendix B Pop-up Windows, JavaScript and Java Permissio ns NBG-416N User’s Guide 169 2 Select Settings… to open the Pop-up Blocker Settings screen. Figure 100 Internet Options: Privacy 3 T ype the IP address of your device (the web page that you do not want to hav e blocked) wi th the prefix “http://” .
Appendix B Pop-up Windows, Ja vaS cript and Java Permissions NBG-416N User’s Guide 170 4 Click Add to mo ve the IP address to the list of Allowed sites . Figure 101 Pop-up Blo cker Settings 5 Click Close to return to the Privacy screen. 6 Click Apply to save this setting.
Appendix B Pop-up Windows, JavaScript and Java Permissio ns NBG-416N User’s Guide 171 1 In Internet Explorer , click Tools , Internet Options and then the Security tab. Figure 102 Internet Options: Secu rity 2 Click the Custom Level... button . 3 Scroll down to Scriptin g .
Appendix B Pop-up Windows, Ja vaS cript and Java Permissions NBG-416N User’s Guide 172 6 Click OK to close the window . Figure 103 Security Settings - Java Scripting Java Permissions 1 From Internet Explorer , click Tools , Internet Options and then the Security tab.
Appendix B Pop-up Windows, JavaScript and Java Permissio ns NBG-416N User’s Guide 173 5 Click OK to close the window . Figure 104 Security Settings - Java JA V A (Sun) 1 From Internet Explorer , click Tools , Internet Options and then the Advanced tab.
Appendix B Pop-up Windows, Ja vaS cript and Java Permissions NBG-416N User’s Guide 174 3 Click OK to close the window . Figure 105 Java (Sun).
NBG-416N User’s Guide 175 A PPENDIX C Setting up Y our Computer ’ s IP Address All computers must ha ve a 10M or 100M Ethernet adapter card and TCP/IP installed.
Appendix C Setting up Your Computer’s IP Address NBG-416N User’s Guide 176 Windows 95/98/Me Click Start , Settings , Control Panel and double-click the Network icon to open the Network window .
Appendix C Setting up Your Computer’s IP Address NBG-416N User’s Guide 177 3 Select Microsoft from the list of manufacturers . 4 Select TCP/IP from the list of network protocols and then click OK . If you need Client for Microsoft Networks: 1 Click Add .
Appendix C Setting up Your Computer’s IP Address NBG-416N User’s Guide 178 3 Click the DNS Configuration t ab. • If you d o not know your DN S information, select Disable D NS . • If you know y our DNS information, select Enable DNS and type the information in the fields below (y ou may not need to fill them all in).
Appendix C Setting up Your Computer’s IP Address NBG-416N User’s Guide 179 3 Select your network adap ter . Y ou shou ld see your c omputer's IP address, subnet mask and default gatewa y . Windows 2000/NT/XP The following example figures use the defa ult Windo ws XP GU I theme.
Appendix C Setting up Your Computer’s IP Address NBG-416N User’s Guide 180 2 In the Control Panel , double-cli ck Network Connections ( Network and Dial- up Connections in Windows 2000/NT). Figure 1 10 Windows XP: Control Panel 3 Right- click Local Area Connection and then click Properties .
Appendix C Setting up Your Computer’s IP Address NBG-416N User’s Guide 181 4 Select Internet Protocol (TCP/IP) (under the General tab in Win XP) and then click Properties . Figure 1 12 Windows XP: Local Area Connection Properties 5 The Internet Protocol TCP/IP Properties window opens (the General tab in Windows XP).
Appendix C Setting up Your Computer’s IP Address NBG-416N User’s Guide 182 •C l i c k Advanced . Figure 1 13 Windows XP: Internet Protocol ( TCP/IP) Properties 6 If you do not know your gatewa y's IP address, remov e any previously i nstalled gateways in the IP Settings tab and click OK .
Appendix C Setting up Your Computer’s IP Address NBG-416N User’s Guide 183 •C l i c k OK when finished. Figure 1 14 Windows XP: Advanced TCP/IP Properties 7 In the Internet Protocol TCP/IP Prope.
Appendix C Setting up Your Computer’s IP Address NBG-416N User’s Guide 184 If you hav e previously configur ed DNS servers, click Advanced and t hen the DNS tab to order them. Figure 1 15 Windows XP: Internet Protocol ( TCP/IP) Properties 8 Click OK to close the Internet Protocol (TCP/IP) Properties window.
Appendix C Setting up Your Computer’s IP Address NBG-416N User’s Guide 185 Macintosh OS 8/9 1 Click the Apple menu, Control Panel and do uble-cl ick TCP/IP to open the TCP/ IP Control Panel .
Appendix C Setting up Your Computer’s IP Address NBG-416N User’s Guide 186 2 Select Ethernet built-in from the Connect via list. Figure 1 17 Macintosh OS 8/9: TCP/IP 3 For d ynamically assigned settings, select Using DHCP Server from the Configure: list.
Appendix C Setting up Your Computer’s IP Address NBG-416N User’s Guide 187 Macintosh OS X 1 Click the Apple menu, and click System Preferences to open the System Preferences window . Figure 1 18 Macintosh OS X: Apple Menu 2 Click Netw ork in the icon bar .
Appendix C Setting up Your Computer’s IP Address NBG-416N User’s Guide 188 4 For s tatically assigned settings, do t he following: •F r o m t h e Configure box, select Manually . • T ype your IP address in the IP Address box. • T ype your subnet mask in the Subnet mask box.
Appendix C Setting up Your Computer’s IP Address NBG-416N User’s Guide 189 2 Double-click on the profile of the network card you wish to configure.
Appendix C Setting up Your Computer’s IP Address NBG-416N User’s Guide 190 5 Click the Device s tab. 6 Click the Activate button to apply the changes. The following sc reen displays. Click Yes to save the changes in all screens. Figure 123 Red Hat 9.
Appendix C Setting up Your Computer’s IP Address NBG-416N User’s Guide 191 • If you ha ve a static IP address, enter static in the BOOTPROTO= field. T ype IPADDR = followed by the IP address (in dotted decimal notation) and type NETMASK = followed by the subnet mask.
Appendix C Setting up Your Computer’s IP Address NBG-416N User’s Guide 192 21.0.1 V erifying Settings Enter ifconfig in a terminal screen to ch eck your TCP/IP properties. Figure 128 Red Hat 9.0: Checking TCP/IP Properties [root@localhost]# ifconfig eth0 Link encap:Ethernet HWaddr 00:50:BA:72:5B:44 inet addr:172.
NBG-416N User’s Guide 193 A PPENDIX D W ireless LANs Wireless LAN T opologies This section discuss es ad-hoc and infr astructure wi reless LAN topologies. Ad-hoc Wireless LAN Configuration The simplest WLAN configur ation is an in dependent (Ad-hoc) WLAN that connects a set of computers with wireless stations (A, B , C).
Appendix D Wireless LANs NBG-416N User’s Guide 194 with each other . When Intra-BS S is disabled, wireless stat ion A and B can still access the wired network but cannot communicate with eac h other .
Appendix D Wireless LANs NBG-416N User’s Guide 195 An ESSID (ES S IDentification) uniquely id entifies each ESS . All access points and their associated wireless stations within the same ESS must hav e the same ESSID in order to comm unicate. Figure 131 Infrastructure WLAN Channel A channel is the radio frequency(ies) us ed by IEEE 802.
Appendix D Wireless LANs NBG-416N User’s Guide 196 wireless gatewa y , but out-of -r ange of ea ch other , so they canno t "hear" each other , that is they do not know if the channel is currently being used. Therefore, they are consider ed hi dden from each other .
Appendix D Wireless LANs NBG-416N User’s Guide 197 Fragment ation Threshold A Fragmentation Threshold is the maximum data fr agment size (between 256 and 2432 bytes) that can be sent in th e wireless network before the AP will fragment the packet into smaller dat a frames.
Appendix D Wireless LANs NBG-416N User’s Guide 198 sever al intermediate rate steps between the maximum and minimum data r ates. The IEEE 802.11g data rate and modulation are as follows: IEEE 802.1x In June 2001, the IEEE 802.1x standard w a s designed to extend the features of IEEE 802.
Appendix D Wireless LANs NBG-416N User’s Guide 199 T ypes of RADIUS Messages The following types of RADIUS messages are exchanged between the access point and the RADIUS server for user authentication: • Access-R equest Sent by an ac cess poin t requestin g authenti cation.
Appendix D Wireless LANs NBG-416N User’s Guide 200 However , MD5 authen tication ha s some weaknesses. Since the authentication server needs to get the plaintext password s, t he passwords must be stored. Thus someone other th an the authenti cation server m ay access the pas sword file.
Appendix D Wireless LANs NBG-416N User’s Guide 201 If this feature is enabled, it is not nece ssary to conf igure a default encryption key in the Wireless screen. Y ou may still configure and store keys here, but they will not be used while Dynamic WEP is enabled.
Appendix D Wireless LANs NBG-416N User’s Guide 202 TKIP regularly changes and rotates the encrypti on keys so that the same encry pti on key is ne ver us ed tw ice.
Appendix D Wireless LANs NBG-416N User’s Guide 203 21.0.2 WP A(2)-PSK Application Example A WP A(2)-PSK application looks as follows. 1 First enter identical passwords int o the AP and all wireless clients. The Pre-Shared K ey (PSK) must consist of between 8 and 63 ASCII characters (including spaces and symbols).
Appendix D Wireless LANs NBG-416N User’s Guide 204 Security Parameters Summary Re fer to this table to see what other secu rity parameters you should configure for each Authenti cation Meth od/ key manage me nt protocol type. MAC address filters are not dependent on how you configure these security features.
NBG-416N User’s Guide 205 A PPENDIX E Services The following table lists some commonl y-used services and their associated protocol s and port n umbers. • Name : This is a short, descriptive name for the service. Y ou can use this one or create a different one, if you like.
Appendix E Services NBG-416N User’s Guide 206 FTP TCP TCP 20 21 File T ransfer Program, a pro gram to enable fast transfer of files, including large files that may not be possible by e-mail. H.323 TC P 17 20 NetMeeting uses this protocol. HTTP TCP 80 Hyper T ext T ransfer Protocol - a client/ server protocol for the world wide web.
Appendix E Services NBG-416N User’s Guide 207 POP3 TCP 110 Post Office Protocol version 3 lets a client computer get e-mail from a POP3 server through a tempor ary connection (TCP/IP or other). POP3S TCP 995 This is a more secure version of POP3 that runs over S SL.
Appendix E Services NBG-416N User’s Guide 208 SSDP UDP 19 00 The Simple Service Discovery Protocol supports Universal Plug- and-Play (UPnP). SSH TCP / U DP 22 Secure Shell Remote Login Program. STRM WORKS UDP 1558 Stream W orks Protocol. SYSLOG UDP 514 Syslog allows you to send s ystem logs to a UNIX server .
NBG-416N User’s Guide 209 A PPENDIX F Open Sof tware Announcement s End-User License Agreement for “NBG416N” WARNING: Z yXEL Communications Co rp. IS WILLING TO LICENSE THE SOFTWARE T O YOU ONL Y UPON THE CONDITION THA T YOU ACCEPT ALL OF THE TERMS CONT AINED IN THIS LICENSE AG REEMENT .
Appendix F Op en Software Announceme nts NBG-416N User’s Guide 210 hereunder . Any rights not expressly gr an ted by Z yXEL to you are reserved by Z yXEL, and all implied licenses are disclaimed. 2.Ownership Y ou have no ownersh ip rights in the Software.
Appendix F Open Software Anno uncements NBG-416N User’s Guide 21 1 5.Confidentiality Y ou acknowledge that the Software contai ns proprietary tr ade secrets of Z yXEL and you hereby agree to maintai.
Appendix F Op en Software Announceme nts NBG-416N User’s Guide 212 8.Export R estrictions THIS LICENSE AGRE EMENT IS EXPRES SL Y MADE SUBJECT TO ANY APPLICABLE LAWS, REGULA TIONS, ORDERS, OR OTHE R REST RICTIONS ON THE EXPOR T OF THE SOFTWARE OR INFORMA TION ABOU T SUCH SOFTWARE WHICH MA Y BE IMPOSED FROM TIME T O TIME.
Appendix F Open Software Anno uncements NBG-416N User’s Guide 213 jurisdiction, the remainder of this License Agreement shal l be interpreted so as to reasonably effect the intention of the parties.
Appendix F Op en Software Announceme nts NBG-416N User’s Guide 214 Preamble The licenses for most sof tware are design ed to take away your freedom to share and change it. By contrast, the GNU Ge neral Publi c License is intended to guarantee y our freedom to share and chan ge free software--to mak e sure the software is free for all its users.
Appendix F Open Software Anno uncements NBG-416N User’s Guide 215 0. This License applies to an y program or other work which contains a notice placed by the copyright holder saying it ma y be distributed under the terms of this General Pu blic License.
Appendix F Op en Software Announceme nts NBG-416N User’s Guide 216 when you distribute t he same sections as part of a whole which is a work based on the Program, the distribution of the whole must .
Appendix F Open Software Anno uncements NBG-416N User’s Guide 217 5. Y ou are not required to accept this License, since you ha ve not signed it. However , nothing else grants you permission to modify or distribut e the Program or its deriva tive works.
Appendix F Op en Software Announceme nts NBG-416N User’s Guide 218 spirit to the present version, but may diffe r i n detail to address new problems or concerns.
Appendix F Open Software Anno uncements NBG-416N User’s Guide 219 This Product includes ppp software under below l icense Copyrights: *********** All of the code can be freely used and re distributed. The individual source files each have their own copyri ght and permission notice.
Appendix F Op en Software Announceme nts NBG-416N User’s Guide 220 IN NO EVENT SHALL T HE COPYRIGHT OWNE R OR CONT RIBUTORS BE LIABLE FOR ANY DIRECT , INDIRECT , INCIDENT AL, SPEC IAL, EXEMPLARY , O.
Appendix F Open Software Anno uncements NBG-416N User’s Guide 221 This software is derived work from the following softw are. The original source code has been modified from it's orig inal state by the author of igmpproxy . smcroute 0.92 - Copyright (C) 2001 Carsten Schill <carst en@cschill.
Appendix F Op en Software Announceme nts NBG-416N User’s Guide 222 guarantee y our freedom to share and chan ge free software--to mak e sure the software is free fo r all its users.
Appendix F Open Software Anno uncements NBG-416N User’s Guide 223 applies to certain des ignated libraries, and is quite different from the ordinary General Public License. W e use this license for certain libr aries in order to permit linking those libr aries into non-free progr ams.
Appendix F Op en Software Announceme nts NBG-416N User’s Guide 224 A "libr ary" means a collection of software fu nc tions and/or data prepared so as to be conv eniently linked with appl icatio n progr ams (which use some of those functions and data) to form ex ecutables.
Appendix F Open Software Anno uncements NBG-416N User’s Guide 225 argument passed when the facility is invo ked, the n you m ust make a goo d fa ith effort to ensure that, in th e event an application does not supply such function or table, the facility still oper ates, and performs whatever part of its purpose remains meaningful.
Appendix F Op en Software Announceme nts NBG-416N User’s Guide 226 readable source code, which must be d i stributed under the terms of Sections 1 and 2 abov e on a medium customa rily used for software interchange.
Appendix F Open Software Anno uncements NBG-416N User’s Guide 227 as a reference directing the user to the copy of this License. Also, you must do one of these things: a) Accompany the work with the.
Appendix F Op en Software Announceme nts NBG-416N User’s Guide 228 the work based on the Library and of the other li brary facilities is otherw ise permitted, and provided that you do these two things: a) Accompany the combined library with a copy of the same work based on the Libr ary , uncombined with any other libr ary facilities.
Appendix F Open Software Anno uncements NBG-416N User’s Guide 229 It is not the purpose of this section to in duce you to infringe any patents or other property right claims or to contest v alidity .
Appendix F Op en Software Announceme nts NBG-416N User’s Guide 230 PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE LIBRARY IS WITH Y OU. SHOULD THE LI BRAR Y PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESS ARY SERV ICING, REP AIR OR CORRECTION.
NBG-416N User’s Guide 231 A PPENDIX G Legal Information Copyright Copyright © 2011 by Z yXEL Communications Corpor ation. The contents of this publication ma y not be reproduced in any p art or as .
Appendix G Legal Information NBG-416N User’s Guide 232 Ce produit est conçu pour les bandes de fréquences 2,4 GHz conformément à la législation Européenne.
Appendix G Legal Information NBG-416N User’s Guide 233 FCC Radiation Ex posure St atement • This tr ansmitter must not be co-l ocated or operati ng in conjunction with an y other antenna or transmitter . • IEEE 802.11b or 802.11g operation of this product in the U.
Appendix G Legal Information NBG-416N User’s Guide 234 3 Select the certification y ou wish to view from this page. ZyXEL Limited W arranty Z yXEL warr ants to the original end user (p urchaser) that this pr oduct is free from any defects in materials or workmanship for a period of up to two years from the date of purc hase.
Appendix G Legal Information NBG-416N User’s Guide 235 SOFTWARE AND P ACKAGING T O THE PLACE FROM WHICH IT WAS ACQUIRED , AND YOUR MONEY WILL BE REFUNDED .
Appendix G Legal Information NBG-416N User’s Guide 236 the Software. Ex cept as and only to the exte nt expressly permitted in this License, by applicable lic ensing terms g overning u se of the Op .
Appendix G Legal Information NBG-416N User’s Guide 237 7 Limitation of Liability IN NO EVENT WILL Z yXEL BE LIABLE TO Y OU OR ANY THIRD P AR TY FOR ANY INCIDENT AL OR CO NSEQUENTIAL DAMAGES (INCLUDI.
Appendix G Legal Information NBG-416N User’s Guide 238 relating to confi dentiality , proprietary rights, and non-disclosure shall survive the termination of this Software License Agreement.
Index NBG-416N User’s Guide 239 Index A Address Assignment 84 Alert 131 alternative subnet mask notation 160 AP 19 AP (Access Point) 195 AP Mode menu 52 overview 49 status screen 50 AP+Bridge 19 B B.
Index NBG-416N User’s Guide 240 F Fa c t o r y L A N d e f a u l t s 92 , 95 FCC interference statement 232 Firewall ICMP packets 111 Z yXEL device firewall 11 0 firewall stateful inspection 109 Fir.
Index NBG-416N User’s Guide 241 server 103 server sets 107 NA T t rav ersal 11 7 Navigation P anel 30 , 52 navigation panel 30 , 52 Network Address T ranslation 101 , 104 O operating mode 19 P Po in.
Index NBG-416N User’s Guide 242 Summary DHCP table 32 Pack et statistics 33 Wireless station status 34 syntax conv entions 6 Sys Op M od e 139 Sys te m Ge ne ra l S et u p 125 Sys te m N am e 126 Sy.
Index NBG-416N User’s Guide 243.
Index NBG-416N User’s Guide 244.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté ZyXEL NBG-416N c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du ZyXEL NBG-416N - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation ZyXEL NBG-416N, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le ZyXEL NBG-416N va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le ZyXEL NBG-416N, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du ZyXEL NBG-416N.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le ZyXEL NBG-416N. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei ZyXEL NBG-416N ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
