ZyXEL CommunicationsメーカーNBG4115の使用説明書/サービス説明書
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www .zyxel.com www .zyxel.com NBG41 15 W i reless N-lite 3G Router Copyright © 2009 ZyXEL Communications Corporation Firmware V ersion 1.0 Edition 2, 7/2009 Default Login Details IP Address http://192.
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About This User's Guide User’s Guide 3 About This User's Guide Intended Audience This manual is intended for people who w ant to configure the NBG4115 using t he W eb Configurator . Y ou sh ould have at least a basic knowledge of T CP/IP networking concepts and topology .
About This User's Guide User’s Guide 4 Documentation Feedback Send your comments, questions or su g gestions to: techwriters@zyxel.com.tw Thank you! The T echnical W riting T eam, Zy XEL Communications Corp. , 6 Innovat ion R oad II, Science-Based Industrial P ark, Hsinchu, 30099, T aiwan.
About This User's Guide User’s Guide 5 Customer Support Should problems arise that cannot be solved by the methods listed above, you shou ld con t act yo u r vend or . If you ca nno t cont act you r vend or , then c o n tact a Z yXEL office fo r the region in wh ich you bought the de vice.
Document Conventions User’s Guide 6 Document Conventions W arnings and Notes These are how warnings and notes are shown in this User’ s Guide. W arnings tell you about things that could harm you or your device.
Document Conventions User’s Guide 7 Icons Used in Figures Figures in this User’ s Guide ma y use the following generic icons. The NBG4115 icon is not an exact represent ation of your device.
Safety Warnings 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 User’s Guide 9 Contents Overview Introduction .......................................... ..................................................... ................... .......... 19 Introduction ............ ............. ..............
Contents Overview User’s Guide 10.
Table of Contents User’s Guide 11 Table of Contents About This User's Guide . ............................................................... ........................................ .. 3 Document Conventions....................................
Table of Contents User’s Guide 12 4.1 Overview ... ... .... ... ... ............. ... .... ... ... ... ............. ... .... ... ... ... ............. ... .... ... ... ... ........... ............ 39 4.2 Wizard Setup ............ ............. ....
Table of Contents User’s Guide 13 6.6.3 Bandwidth Management by IP or IP Ra nge .. ................ ............. ................ ................ 76 Part II: Network ....................... .................................... ....................
Table of Contents User’s Guide 14 10.1 Overview ........... ................ ............. ................ ............. ................ ............. ............... ........ ..1 19 10.1.1 What Y ou Can Do in this Chapter ..... .......... .......
Table of Contents User’s Guide 15 14.1 Overview ........... ................ ............. ................ ............. ................ ............. ............... ........ . 147 14.1.1 What Y ou Can Do in this Chapter ..... .......... ........
Table of Contents User’s Guide 16 18.2 General .......... ................ ............. ............. ................ ............. ................ ............. .... .......... 170 18.3 T echnical Referenc e ... ............. ................ ..
Table of Contents User’s Guide 17 Chapter 24 T roubleshooting ......................... ..................................................... .................................. .... 201 24.1 Overview ........... ................ ............. ......
Table of Contents User’s Guide 18.
19 P ART I Introduction Introduction (21) The WPS Button (25) The W eb Configur ator (27) Connection Wizard (39) AP Mode (55) Tu t o r i a l s ( 6 3 ).
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User’s Guide 21 C HAPTER 1 Introduction 1.1 Overview This chapter introduces the main feat ures and applications of the NBG4115. The NBG4115 extends the r ange of your exis ting wired network without additional wiring, providing easy network access to mobile users.
Chapter 1 Int ro d uct ion User’s Guide 22 1.3 W ays to Manage the NBG41 15 Use any of the fol lowing me thods to manage t he NBG4115. • WPS (Wi-Fi Protected Setup). Y ou c an 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 User’s Guide 23 The following table describes t he LEDs and the WPS button. T able 1 Front Panel LEDs and WPS Button LED COLOR STATUS DESCRIPTION POWER Green On The NBG4115 is receiving power and functioning properly . Off The NBG4115 is not receiving power .
Chapter 1 Int ro d uct ion User’s Guide 24.
User’s Guide 25 C HAPTER 2 The WPS Button 2.1 Overview Y our NBG4115 supports WiFi Protected Setup (WPS), whic h is an easy way t o set up a secure wireless network.
Chapter 2 The WPS Button User’s Guide 26.
User’s Guide 27 C HAPTER 3 The Web Configurator 3.1 Overview This chapter describes how to access th e NBG4115 W eb Configur ator and provides an overview of its screens. The W eb Configurator is an HTML -based management interface that a llows easy setup and management of the NBG4115 via Internet browser .
Chapter 3 The Web Con figurator User’s Guide 28 4 T ype "1234" (default) as the password and click Login . In some vers ions, the default p a s sword app e a r s automa tically - if this is th e case, c li c k Login . 5 Y ou should see a screen asking you to change your p assword (highly recommended) as shown next.
Chapter 3 The Web Configurator User’s Guide 29 • 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 23 on p age 199 .
Chapter 3 The Web Con figurator User’s Guide 30 3.5 The S t atus Screen in Router Mode Click on Status . The screen below shows the status screen in Router Mode .
Chapter 3 The Web Configurator User’s Guide 31 The following table describes t he labels shown in the Status screen. T able 3 Web Configu rator Status Screen LABEL DESCRIPTION Device Information System Name This is the System Name yo u enter in the Maintenance > System > General screen.
Chapter 3 The Web Con figurator User’s Guide 32 3.5.1 Navigation Panel Use the sub-menus on the navi gation panel to configure NBG4115 features. The following table describes t he sub-menus. - Memory Usage This shows what percentage of the heap memory the NBG4115 is using.
Chapter 3 The Web Configurator User’s Guide 33 Wireless LAN General Use this screen to configure wireless LAN. MAC Filter Use the MAC filter screen to configure the NBG4115 to block access to devices or block the devices from accessing the NBG4115. Advanced This screen allows you to configure adv anced wireless settings.
Chapter 3 The Web Con figurator User’s Guide 34 3.5.2 Summary: DHCP T able DHCP (Dynamic Host Configur ation Protocol , RFC 2131 and RFC 2132) allows individual clients to obtai n T CP/IP configur ation at start -up from a server . Y ou can configure the NBG4115’ s LAN as a DHCP server or disable it.
Chapter 3 The Web Configurator User’s Guide 35 DHCP client i nformation (includi ng IP Address , Host Name and MAC Address ) of all network clients using the NBG4115’ s DHCP server . Figure 6 Summary: DHCP T able The following table describes t he labels in this screen.
Chapter 3 The Web Con figurator User’s Guide 36 The following table describes t he labels in this screen. 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 NBG4115 in the Association List .
Chapter 3 The Web Configurator User’s Guide 37 The following table describes t he labels in this screen. T able 7 Summary: Wireless Association List LABEL DESCRIPTION # This is the index number of an associated wireless station. MAC Address This field displays the MAC address of an associated wireless station.
Chapter 3 The Web Con figurator User’s Guide 38.
User’s Guide 39 C HAPTER 4 Connection Wizard 4.1 Overview This chapter provides information on the wizard setup screens in the W eb Configurator . 4.2 Wizard Setup The W eb Configurator’ s wizard setup helps you configure your devi ce to access the Internet.
Chapter 4 Con n ec tio n Wi za rd User’s Guide 40 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 10 Select a Language 3 Read the on-screen information and click Next .
Chapter 4 Connection Wizard User’s Guide 41 4.3.2 Domain Name The Domain Name entry is what is propag ated to the D HCP clients on the LAN. If you leav e this blank, the domain name o btained by DHCP from the ISP is used.
Chapter 4 Con n ec tio n Wi za rd User’s Guide 42 4.4 STEP 2: Wireless LAN Set up your wireless LAN using the following sc reen. Figure 13 Wizard S tep 2: Wireless LAN The following table describes t he labels in this screen.
Chapter 4 Connection Wizard User’s Guide 43 Note: The wireless stations and NBG41 15 must use 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 Con n ec tio n Wi za rd User’s Guide 44 Note: When you select Mobile 3G , then all W AN connections are made thro ugh this. Chec k with your I SP to make su re you use t h e corr ect ty p e. This wizard screen v aries according to the connection t ype that you select.
Chapter 4 Connection Wizard User’s Guide 45 4.5.2 PPPoE Connection P oint -to-P oint Protocol over Ethernet (P PP oE) functions as a dial-up connection. PPPoE is an IETF (Internet En gineering T ask Force) standard specifying how a host personal computer intera cts with a broadband modem (for example DSL, cable, wireless, etc.
Chapter 4 Con n ec tio n Wi za rd User’s Guide 46 4.5.3 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 private serv er , creating a Virtual Private Network (VPN) using T CP/IP-based network s.
Chapter 4 Connection Wizard User’s Guide 47 User Name T ype the user name given to you by y our ISP . P assword T ype the password associated with the User Name above. PPTP Configuration Server IP Address T ype the IP address of the PPTP server . Connection ID/ Name Enter the connection ID or connection name in this field.
Chapter 4 Con n ec tio n Wi za rd User’s Guide 48 4.5.4 Mobile 3G Mobile 3G is a set of international “third gener ation” standards f or the sending and receiving of voice, video , and wireless data in a mobile en vironment.
Chapter 4 Connection Wizard User’s Guide 49 4.5.5 Y our IP Address The following wizard screen allows y ou to assign a fixed IP add ress or give the NBG4115 an automatically assigned IP address depending on your ISP . Figure 20 Wizard S tep 3: Y our IP Address The following table descri bes the labels in this screen 4.
Chapter 4 Con n ec tio n Wi za rd User’s Guide 50 local networks. On the oth er han d , if you are part of a much larger organization, you should consult your network administ r ator for the appropriate IP addresses. Note: Regardless of your p articular situatio n, do not create an arbitrary IP address; always follow the guidelines above.
Chapter 4 Connection Wizard User’s Guide 51 1 The ISP tells you the DNS serv er addresses, usually in th e form o f an inform ation sheet, when you sig n up . If y our ISP g i ves you DNS ser ver a d dresses, enter them in the DNS Server fields in the Wizard and/or WAN > Internet Connection screen.
Chapter 4 Con n ec tio n Wi za rd User’s Guide 52 4.5.10 W AN MAC Address Every Ethernet dev ice has a unique MAC (Media Access Control) 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 Connection Wizard User’s Guide 53 The following table describes t he fields in this screen. 4.6 Connection Wizard Complete Click Finish to complete the wizard setup. Figure 23 Connection Wizard Complete Y ou have successfully set up your NBG4115 t o operate on y our network and access the Internet.
Chapter 4 Con n ec tio n Wi za rd User’s Guide 54.
User’s Guide 55 C HAPTER 5 AP Mode 5.1 Overview This chapter discusses how to configure sett ings while y our NBG4115 i s 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 63 fo r an example of setting up a wireless network in AP mode.
Chapter 5 AP Mode User’s Guide 56 2 T o set your NBG4115 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 User’s Guide 57 The following table describes t he labels shown in the Status screen. T able 20 Web Configurator Sta tus Screen LABEL DESCRIPTION Device Information System Name This is the System Name yo u enter in the Maintenance > System > General screen.
Chapter 5 AP Mode User’s Guide 58 5.3.1 Navigation Panel Use the menu in the navigation pane l to configure NBG4115 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 User’s Guide 59 5.4 LAN Settings Use this section to configure your LAN settings while in AP Mode . Click Networ k > LAN to see the screen below .
Chapter 5 AP Mode User’s Guide 60 Note: If you change the IP address of the NBG41 15 in the screen below , you will need to log into the NBG41 15 again using the new IP address. Figure 28 Network > LAN > IP The table below describes the labels in the screen.
Chapter 5 AP Mode User’s Guide 61 5.6 Logging in while in AP Mode 1 Connect your computer to the LAN port of the NBG4115. 2 The default IP address of the NBG4115 is “192. 168.1.2” . In this case, your computer must have an IP address in the r ange between “192.
Chapter 5 AP Mode User’s Guide 62.
User’s Guide 63 C HAPTER 6 Tutorials 6.1 Overview This chapter provides tutorials for setting up your NBG4115. 6.2 Set Up a 3G Connection This section shows y ou how to make a 3G connection wi th your NBG4115. There are two ways to set up y our 3G options.
Chapter 6 Tutorials User’s Guide 64 T o set up a 3G connection: 1 Connect to the W eb Configurator , as described in the Quick Start Guide. 2 When presented with the option to choose either Wizard or Advanced , c lick Go to Advanced setup . 3 Expand the Network submenu on the navigation pane, then cli ck WAN .
Chapter 6 Tutorials User’s Guide 65 4 From the Connection Type m enu, se lect Mobile 3G then configure your 3G settings when the screen updates its elf .
Chapter 6 Tutorials User’s Guide 66 Bandwidth management allows y ou to se t up custom par ameters on the NBG4115 so that whenever y ou play a game, t he QoS is automatically upgr aded to the highes.
Chapter 6 Tutorials User’s Guide 67 3 Enable the Gaming check box and set its Priority to High. The following gaming ports are preconfi gured on your NBG4115 and are enabled when you sele ct the ‘ga ming’ Service in the Management > Bandwidth MGMT > Advanced screen: Note: If you need to customize sp ecific ports, go to the next step.
Chapter 6 Tutorials User’s Guide 68 4 T o create a custom QoS setting for a specific game, enter the following information in the first available cu stom Prior ity Queue li ne: Service : This is the name by whi ch your custom service is labled. It can be anything with th e li mi tat i on th at it cannot be long er t han 10 c haracters.
Chapter 6 Tutorials User’s Guide 69 3 In the wireless client util ity , find the WPS settings. Enable WPS and press the WPS button ( Start or WPS button) 4 Log into NBG4115’ s W eb Configur ator and press the Push Button butt on in the Network > Wireless Client > WPS Station scree n.
Chapter 6 Tutorials User’s Guide 70 6.4.2 PIN Configuration When you use the PIN configur ation method, y ou need to use both NBG4115’ s configur ation interface and the client’ s uti lities. 1 Launch your wireless client’s configuration utility .
Chapter 6 Tutorials User’s Guide 71 6.5 Configure Wireless Security without WPS This example shows you how to configure wireless security settings with the following parameters on y our NBG4115. Fol low the steps below to configure the wireless set tings on your NBG4115.
Chapter 6 Tutorials User’s Guide 72 5 Open the Status s creen. V erify your wireless and wi reless s ecurity set ti ngs under Device Information and check if the WLAN connection is up under Interface Status . Figure 32 T u torial: S tatus Screen 6.5.
Chapter 6 Tutorials User’s Guide 73 4 Select SSID_Example3 and click Connect . Figure 33 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 34 Security Settings 6 The Confirm Sav e window appears.
Chapter 6 Tutorials User’s Guide 74 7 Check the status of your wireless connection in the screen below . If your wireless connection is weak or you have no conn ection, see the T roubleshooting section of this User’s Guide. Figure 36 Link S tatus If your connection is successful, open your Internet browser and enter http:// www .
Chapter 6 Tutorials User’s Guide 75 In the following screen, you set the priorities for V oI P and e-mail. Figure 37 T u torial: Priority Queue Click Enable for the V oIP (SIP) serv ice and set priority to High . Do the same for E-mail. F or the rest of the applications, click Enable if you need these services and set the priority to Low .
Chapter 6 Tutorials User’s Guide 76 1 Click Enable in one of the fields for addi tional services. 2 Add MSN as the service name. 3 Set the priority for this to High . 4 For the port, choose TCP from the drop-down menu and enter 1863 in the Specific Port field.
Chapter 6 Tutorials User’s Guide 77 Enter the foll o wi ng values for ea c h se rvice you want to add . For this tuto rial , yo u need to add each of the following service (see table below) and click Apply . After adding these services, go to Management > Bandwidth MGMT > Advanced and check if you hav e the correct values.
Chapter 6 Tutorials User’s Guide 78.
79 P ART II Network Wireless LAN (81) WAN (101) LAN (115) DHCP Server (119) NA T (125) DDNS (135).
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User’s Guide 81 C HAPTER 7 Wireless LAN 7.1 Overview This chapter discusses how to configure th e wireles s network settings in y our NBG4115. See the appendices for more detailed information ab out wireless networks. The following figure provides an example of a wireless network.
Chapter 7 Wireless LAN User’s Guide 82 7.1.1 What Y ou Can Do in this Chapter •U s e t h e General screen ( Section 7.2 on page 85 ) to enable the Wireless LAN, enter the S SID and select the wireless security mode. •U s e t h e MAC Filter screen ( Section 7.
Chapter 7 Wireless LAN User’s Guide 83 This type of sec urity is fairly weak, howev er , because there are ways for unauthorized devices to g et the SSID. In addition, unauthorized devices can still see the info rm at ion that is sen t in the wir ele ss network.
Chapter 7 Wireless LAN User’s Guide 84 Local user databases also hav e an addition al l imitation that is explained i n the next section. Encryption Wireless networks can us e encryption to protect the info rmation that is sent in the wireless network.
Chapter 7 Wireless LAN User’s Guide 85 Many types of encrypti on use a key to pr otect the i nformatio n in the wireless network. The longer the key , the stronger the encryption. Ev ery wireles s client in the wireless network must have the same key .
Chapter 7 Wireless LAN User’s Guide 86 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. T able 26 Network > Wireless LAN > General LABEL DESCRIPTION Enable Wireless LAN Click the check box to activate wireless LAN.
Chapter 7 Wireless LAN User’s Guide 87 7.2.1 No Security Select No Security to allow wireless stations to communicate with the access points without any data encrypti on. Note: If you do not enable an y wireless security on your NBG41 15, your network is accessible to any wireless networ king de vice that is within range.
Chapter 7 Wireless LAN User’s Guide 88 In order to configure and enable WEP encr yption; click Network > Wireless LAN to display the General screen. Select Static WEP from the Security Mode list. Figure 44 Network > Wireless LAN > General: S tatic WEP The following table describes t he wirele ss LAN security labels in this screen.
Chapter 7 Wireless LAN User’s Guide 89 7.2.3 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 45 Network > Wireless LAN > General: WP A-PSK/WP A2-PSK Hex Select this option in order to enter hexadecimal characters as a WEP key .
Chapter 7 Wireless LAN User’s Guide 90 The following table describes t he labels in this screen. 7.3 MAC Filter The MAC filter screen allows you to configure the NBG4115 to give ex clusive access to up to 16 devi ces (Allow) or ex clude up to 16 devices from accessing the NBG4115 (Deny).
Chapter 7 Wireless LAN User’s Guide 91 T o change your NBG4115’ s MAC filt er settings, click Net work > Wireless LAN > MAC Filter . The screen appears as shown. Figure 46 Network > Wireless LAN > MAC Filter The following table describes t he labels in this menu.
Chapter 7 Wireless LAN User’s Guide 92 7.4 Advanced Click Netw ork > Wireless LAN > Advanced . The screen appears as shown. Figure 47 Network > Wireless LAN > Advanced The following table describes t he labels in this screen.
Chapter 7 Wireless LAN User’s Guide 93 CTS Protection When set to None , the NBG4115 protects wirel ess communication against interference. When set to Always , the NBG4115 improv es performance within mix ed wireless modes. Select Auto to let the NBG411 5 determine whether to turn this feature on or off in the current en vironment.
Chapter 7 Wireless LAN User’s Guide 94 7.5 QoS The QoS screen allows you to automatically giv e a service (such as e-mail, V oIP or FTP) a priority level. Click Netw ork > Wireless LAN > QoS . The following screen appears. Figure 48 Network > Wireless LAN > QoS The following table describes t he labels in this screen.
Chapter 7 Wireless LAN User’s Guide 95 7.5.1 Application Priority Configuration Use this screen to edit a WMM QoS applic ation entry . Click the edit ic on under Modify .
Chapter 7 Wireless LAN User’s Guide 96 Service The following is a description of the applications you can prioritize with WMM QoS. Select a service from the drop-down list box. • E-Mail Electronic mail consists of messages sent through a computer network to specific groups or individuals.
Chapter 7 Wireless LAN User’s Guide 97 7.6 WPS 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 50 WPS The following table describes t he labels in this screen.
Chapter 7 Wireless LAN User’s Guide 98 7.7 WPS S t ation 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 . Note: Note: Af ter you click Push Button on this screen, you have to pr ess a similar button in the wireless st ation utility within 2 minutes.
Chapter 7 Wireless LAN User’s Guide 99 7.8 Scheduling Use this screen to set t he times your wirele ss LAN is turned on and off . Wi reless LAN scheduling is disabled by default. Th e wirel ess LAN can be scheduled to turn on or off on certain days and at cert ain times.
Chapter 7 Wireless LAN User’s Guide 100 Except for the following times (24-Hour For m a t ) Select a begin time using the first set of hou r and minute ( min ) drop down boxes and select an end time using the second se t of hour and minute ( min ) drop down boxes.
User’s Guide 101 C HAPTER 8 WAN 8.1 Overview This chapter discusses the NBG4115’ s WAN screens. Use thes e screens to configure your NBG4115 for Internet access. A WAN (Wide Area Network) connection is an outside connection to another network or the Internet.
Chapter 8 WAN User’s Guide 102 8.2.1 What Y ou Need T o Know The following terms and conc epts may he lp as you read through this chapter . Encap sulation Method Encapsulation is used to include data from an upper layer protocol into a lower layer protocol.
Chapter 8 WAN User’s Guide 103 W AN MAC Address The MAC address screen allows users to configure the W AN port's MAC address by either using the factory default or clon ing the MAC address from a computer on your LAN. Choose Factory Default to select th e factory assi g n ed de fault MAC Address.
Chapter 8 WAN User’s Guide 104 up services su ch as PPPoE or PPTP , NetBIO S p a c kets ca us e u nwanted calls. However it may someti mes be necessary to allow NetBIOS pack ets to pass through to the W AN in order to find a computer on the W AN. Auto-Bridge In the rear panel of your NBG4115, you ca n see four LAN ports (1 to 2) and one WAN port.
Chapter 8 WAN User’s Guide 105 8.3 Internet Connection Use this screen to change your NBG4115’ s Internet access settings. Click Network > WAN . The screen differs according to the connecti on you choose. 8.3.1 Ethernet This screen displays when y ou select the Ethernet connection type.
Chapter 8 WAN User’s Guide 106 8.3.2 PPPoE The NBG4115 supports PPP oE (P oint- to-P oint Protocol ov er Ethernet). PPP oE is an IETF standard (RFC 2516) specif ying how a personal computer (PC) inter acts with a broadband modem (DSL, cable, wireless, etc.
Chapter 8 WAN User’s Guide 107 One of the benefits of PPP oE is the abil ity to let you access one of multiple network services, a funct ion known as dynamic serv ice selection. This enables the service provider to easily create and offe r new IP services for individuals.
Chapter 8 WAN User’s Guide 108 8.3.3 PPTP P oint -to-P oint T unnelin g 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 Private Network (VPN) using T CP/IP-based network s.
Chapter 8 WAN User’s Guide 109 This screen displays when y ou select the PPTP connection type . Figure 57 Network > W AN > Inter net Connection: PPTP The following table describes t he labels in this screen.
Chapter 8 WAN User’s Guide 11 0 P assword T ype the password associated with the User Name above. Re type to Confirm T ype yo ur pas swo rd a ga in t o ma ke su re tha t yo u have ent ere d i s correctly . Nailed-up Connection Select Nailed-Up Connection if y ou do not want the connection to time out.
Chapter 8 WAN User’s Guide 111 8.3.4 Mobile 3G 3G is an International T elecommunication Union (ITU) mobile networking standard that provides high-speed connectivit y , greater network capacity , and a significantly impro ved broadcast r ange to compatible devi ces.
Chapter 8 WAN User’s Guide 11 2 The following table describes t he labels in this screen. T able 39 Network > W AN > Internet Connectio n: Mobile 3G LABEL DESCRIPTION ISP Par ameters for Internet Access Connection T ype 3G is .
Chapter 8 WAN User’s Guide 11 3 8.4 Advanced Use this screen to enable Multicast , allow Windows Networking and enable Auto-bridge . Note: The three categories shown in this screen are indepen dent of each other . T o change your NBG4115’ s adv anced WAN sett ings, click Network > WAN > Advanced .
Chapter 8 WAN User’s Guide 11 4 Allow between LAN and W A N Select this check box to forw ard NetBIOS packets from the LAN to the W AN and from the W AN to the LAN. If y our firewall is enabled with the default policy set to block W AN to LAN tr affic, you also need to enable the default W AN to LAN firewall rule that forwards NetBIOS traffic.
User’s Guide 11 5 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 User’s Guide 11 6 LAN and W AN IP Addresses The actual physi cal connection determines whether the NBG4115 p orts are LAN or WAN ports. There are two separate IP ne tworks, one inside the LAN network and the other outside the WAN network as shown next.
Chapter 9 LAN User’s Guide 11 7 9.3 IP Use this screen to change y our basic LAN settings. Cl ick Network > LAN . Figure 61 Network > LAN > IP The following table describes t he labels in this screen. T able 41 Network > LAN > IP LABEL DESCRIPTION IP Address T ype the IP add ress of your NB G4115 in dotted decimal notation 192.
Chapter 9 LAN User’s Guide 11 8.
User’s Guide 11 9 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 T CP/IP configur ation at start -up from a server . Y ou can configure the NBG4115’ s LAN as a DHCP server or disable it.
Chapter 10 DHCP Server User’s Guide 120 10.2 General Use this screen to enable the DHCP server . Click Network > DHCP S erver . The following screen displays. Figure 62 Network > DHCP Server > General The following table describes t he labels in this screen.
Chapter 10 DHCP Server User’s Guide 121 10.3 Advanced This screen allows you t o assign IP addresses on the LAN to specific indivi dual computers based on their MAC addresses. Y ou can also use this screen to configure the DNS server i nformation that the NBG4115 sends to the DHCP clients.
Chapter 10 DHCP Server User’s Guide 122 10.4 Client List The DHCP table shows current DHCP client information (including IP Address , Host Name and MAC Address ) of network clients using the NBG4115’ s DHCP servers. Configure this screen to always assig n an IP address to a MAC address (and host name).
Chapter 10 DHCP Server User’s Guide 123 The following screen displays. Figure 64 Network > DHCP Server > Client List The following table describes t he labels in this screen. T able 44 Network > DHCP Server > Client List LABEL DESCRIPTION # This is the index number of the host computer .
Chapter 10 DHCP Server User’s Guide 124.
User’s Guide 125 C HAPTER 11 NAT 1 1.1 Overview NA T ( Network Address T ranslation - NA T , RFC 1631) is the tr anslation of the IP address of a host in a packet. For exampl e, the source address of an out going packet, used within one network is change d to a different IP address known within another network.
Chapter 11 NA T User’s Guide 126 1 1.1.1 What Y ou Can Do in this Chapter •U s e t h e General ( Section 11.2 on page 128 ) screen to enable NA T and set a default server . •U s e t h e Application ( Section 11.3 on page 129 ) screen to change your NBG4115’ s port forwarding settings.
Chapter 11 NAT User’s Guide 127 What NA T Does In the simplest form, NA T changes the source IP address in a packet received from a subscriber (the inside l ocal address) to another (the inside global address) before forwarding t he packet to the WA N side.
Chapter 11 NA T User’s Guide 128 1 1.2 General Use this screen to enable NA T and set a default serv er . Click Network > NAT to open the General screen. Figure 67 Network > NA T > General The following table describes t he labels in this screen.
Chapter 11 NAT User’s Guide 129 1 1.3 Application Port forwarding allows you to define the local servers to which the incoming services will be forw arded. T o change your NBG4115’ s port forw arding settings, click Network > NAT > Application .
Chapter 11 NA T User’s Guide 130 Local P ort Ran g e Public Po rt Ran g e Enter the start and end port(s) to be forwarded. Server IP Address T ype the inside IP address of the se rv er that receives packets from the port(s) specified in the Port field.
Chapter 11 NAT User’s Guide 131 1 1.4 Advanced T o change your NBG4115’ s trigger p ort settings, click Networ k > NAT > Advanced . The screen appears as shown. Note: Only one LAN computer can use a trigger port (range) at a time. Figure 69 Network > NA T > Advanced The following table describes t he labels in this screen.
Chapter 11 NA T User’s Guide 132 1 1.5 T echnical Reference The following section contains additional technical information about the NBG4115 features described in this c hapter .
Chapter 11 NAT User’s Guide 133 addresses and the ISP assigns the WAN IP address. The NA T network appears as a single host on the In ternet. Figure 70 Multiple Se rvers Behind NA T Example 1 1.5.3 T rigger Port Forwarding Some services use a dedicated r ange of ports on the client side and a dedicated rang e of ports on the server sid e.
Chapter 11 NA T User’s Guide 134 1 1.5.4 T r igger Port Forwarding Example The following is an example of t rigger port forwarding. Figure 71 T rigger Port Forwarding Process: Example 1 Jane requests a file from the R eal Audio server ( port 7070).
User’s Guide 135 C HAPTER 12 DDNS 12.1 Overview DDNS services let y ou use a domain name with a dynamic IP address. 12.1.1 What Y ou Can Do in this Chapter Use the DDNS screen ( Section 12.2 on page 136 ) to enable DDNS and configure the DDNS settings on the NBG4115.
Chapter 12 DDNS User’s Guide 136 12.2 General T o change your NBG4115’ s DDNS, click Network > DDNS . The screen appears as shown. Figure 72 Dynamic DNS The following table describes t he labels in this screen. T able 49 Dynamic DNS LABEL DESCRIPTION Dynamic DNS Se tup Enable Dyna mic DNS Select this check box to use dynamic DNS .
Chapter 12 DDNS User’s Guide 137 Enable off line optio n This option is av ailable when CustomDNS is selected in the DDNS Type field. Check with your Dynamic DNS service provider to have traffic redirected to a URL (that you can specify) while you are off line.
Chapter 12 DDNS User’s Guide 138.
139 P ART III Security Firewall (141) Content Filtering (147).
140.
User’s Guide 141 C HAPTER 13 Firewall 13.1 Overview Use these screens to enable and configure the firew all that protects your NBG4115 and your LAN from unwanted or malicious tr affic. Enable the firew all to pr otect y our LAN co mputers from attacks by hack ers on t he Internet and control access between the LAN and W AN.
Chapter 13 Firewall User’s Guide 142 13.1.2 What Y ou Need T o Know The following terms and conc epts may he lp as you read through this chapter . What is a Firewall? Originally , the term “firewall” referred to a construction technique designed to prevent the spread of fire from one r oom to another .
Chapter 13 Firewall User’s Guide 143 The NBG4115 has one Ethernet W AN port an d four Ethernet LAN ports, which are used to physically separate the netw or k into two areas.The W AN (Wide Area Network) port attaches to the broadband (cable or DSL) modem to the Internet.
Chapter 13 Firewall User’s Guide 144 13.2 General Use this screen to enable or disable th e NBG4115’ s firewall, and set up firewall logs. C lick Security > Firewall to open the General screen. Figure 74 Security > Firewall > General l The following table describes t he labels in this screen.
Chapter 13 Firewall User’s Guide 145 Click Security > Firewall > Services . The screen appears as shown next. Figure 75 Security > Firewall > Services l The following table describes t he labels in this screen.
Chapter 13 Firewall User’s Guide 146.
User’s Guide 147 C HAPTER 14 Content Filtering 14.1 Overview This chapter provides a brief overview of content filtering using the embedded web GUI. Internet content filtering allows you to cr eate and enforce Internet access policies tailored to your needs.
Chapter 14 Content Filtering User’s Guide 148 The file path is the charac ters that come after the first slash in the URL. F or example, with th e UR L www.
Chapter 14 Co n te nt F ilt ering User’s Guide 149 The following table describes t he labels in this screen. 14.3 T echnical Reference The following section contains additional technical information about the NBG4115 features described in this c hapter .
Chapter 14 Content Filtering User’s Guide 150 For example, with the URL www .zyxel.com.tw/news/pressroom.php , content filtering only searches for k eywords within www .zyxel .com.tw . Full Path URL Checking Full path URL checking has the NBG4115 ch eck the char acters that come before the last sl as h i n th e URL.
151 P ART IV Management Static R oute ( 153) Bandwidth Management (157) Re mote Management (165) UPnP (169).
152.
User’s Guide 153 C HAPTER 15 Static Route 15.1 Overview This chapter shows you how t o configure static routes for y our NBG4115. The NBG4115 usually uses the default ga teway to route outbound traffic from computers on the LAN to the Internet.
Chapter 15 Stat ic Route User’s Guide 154 15.2 IP S t atic Route Use this screen to view existi ng stat ic route rules. Click Management > Static Route to open the IP Static Route screen. The following screen displays. Figure 78 Managemen t > S t atic Route > IP S tatic Route The following table describes t he labels in this screen.
Chapter 15 Static Route User’s Guide 155 15.2.1 S t atic Route Setup Screen T o edit a static route, click the edit icon under Modify . The following screen displays.
Chapter 15 Stat ic Route User’s Guide 156.
User’s Guide 157 C HAPTER 16 Bandwidth Management 16.1 Overview This chapter contains information about configuring bandwidth management and editing rules. Z yXEL ’s Bandwidth Management allows you t o specify bandwidth management rules based on an application.
Chapter 16 Ban dwid th Ma na g eme nt User’s Guide 158 Bandwid th Limiting Y ou can limit an application’ s uplink or downlink bandwidth. This limit k eeps the traffic from using up too much of the out -going interface’ s bandwidt h. This way you can mak e sure there is bandwidth for other applications.
Chapter 16 Bandwidth Management User’s Guide 159 The following table describes t he labels in this screen. 16.3 Advanced Use this screen to configure bandwidth managements rule for the pre-defined services or applications. Use this screen to configure bandwidth mana geme nts rule for specific protocols on an IP or IP r ange.
Chapter 16 Ban dwid th Ma na g eme nt User’s Guide 160 Click Management > Bandwidth MGMT > Advanced to open the bandwidth management Advanced screen. Figure 82 Management > Bandwid th MGMT > Advanced The following table describes t he labels in this screen.
Chapter 16 Bandwidth Management User’s Guide 161 Service This is the name of the service. Y ou can also enter the name (up to 10 keyboard characters) of a service you want to add in the priority queue (for example, Messenger ). Priority Select a priority from the drop down list box.
Chapter 16 Ban dwid th Ma na g eme nt User’s Guide 162 16.3.1 Pre-Configured Gaming Port s The following gaming ports are preconfi gured on your NBG4115 and are enabled when you select the ‘gaming’ Serv ice in this screen: 16.
Chapter 16 Bandwidth Management User’s Guide 163 T able 58 Management > Bandwid th MGMT > Advanced: Allocation Setup 16.3.4 Predefined Bandwid th Management Services The following is a descrip.
Chapter 16 Ban dwid th Ma na g eme nt User’s Guide 164 16.3.5 Services and Port Numbers See Appendix F on pag e 2 6 3 for commonly used se rvices and por t numbers. E-Mail Electronic mail consists of messages sent through a computer network to specific groups or individuals.
User’s Guide 165 C HAPTER 17 Remote Management 17.1 Overview This chapter provides information on the R emote Management screens. Re mote management allows you to determi ne which services/protocols can acces s which NBG4115 interface (if an y) from which computers.
Chapter 17 Remote Management User’s Guide 166 Remote Management and NA T When NA T is enabled: • Use the NBG4115’ s W AN IP address when configuring from the W AN. • Use the NBG4115’ s LAN IP address when configuring from the LAN. System Timeout There is a default system management idle timeout of five minutes (three hundred seconds).
Chapter 17 Remote Management User’s Guide 167 Secured Client IP Address A secured client is a “trusted” computer that is allowed to communicate with the NBG4115 using this service. Select All to allow any computer to access the NBG4115 using this service.
Chapter 17 Remote Management User’s Guide 168.
User’s Guide 169 C HAPTER 18 UPnP 18.1 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 t iv ity be tween dev ice s.
Chapter 18 UP nP User’s Guide 170 • Learning public IP addresses • Assigning lease times t o mappings Windows Messenger is an example of an application that supports NA T tr aversal and UPnP . See the NA T chapter fo r more infor m ation on NA T .
Chapter 18 UPnP User’s Guide 171 The following table describes t he labels in this screen. 18.3 T echnical Reference The following section contains additional technical information about the NBG4115 features described in this c hapter . 18.3.1 Inst alling UPnP in W indows XP Fol low the steps below to install the UPnP in Windows XP .
Chapter 18 UP nP User’s Guide 172 4 The Windows Optional Networking Components Wizard window displays. Select Networking Service in the Components selection bo x and clic k Details . Figure 87 Windows Optional Networking Component s Wizard 5 In the Networking Services window , select the Universal Plug and Play check box.
Chapter 18 UPnP User’s Guide 173 Auto-discover Y our UPnP-enabled Network Device 1 Click Start and Control Panel . Double-click Network Connections .
Chapter 18 UP nP User’s Guide 174 4 Y ou may edit or delete the port mappings or click Add to manually add port mappings. Figure 91 Internet Con nection Properties: Advanced Settings Figure 92 Inter.
Chapter 18 UPnP User’s Guide 175 7 Double-click on the icon to display y o ur current In te rnet connection status. Figure 94 Internet Con nection S t atus Web Configurator Eas y Access With UPnP , you can access the web-base d configur ator on the NBG4115 without finding out the IP address of the NBG4115 first.
Chapter 18 UP nP User’s Guide 176 3 Select My Network Places under Other Places . Figure 95 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 NBG4115 and select Invoke .
Chapter 18 UPnP User’s Guide 177 6 Right- click on the icon for your NBG4115 and select Properties . A properties window displays with basic informatio n ab out the NBG4115.
Chapter 18 UP nP User’s Guide 178.
179 P ART V Maintenance and T roubleshooting Sys te m ( 1 81 ) Logs (187) T ools (189) Sys OP Mode (195) Language (199) T roubleshooting (201).
180.
User’s Guide 181 C HAPTER 19 System 19.1 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. 19.1.1 What Y ou Can Do in this Chapter •U s e t h e General screen ( Section 19.
Chapter 19 Sy stem User’s Guide 182 The following table describes t he labels in this screen. T able 62 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 NBG4115 in an Ethernet network.
Chapter 19 System User’s Guide 183 19.3 T ime Setting T o change your NBG4115’ s time and date, click Mainte nance > System > Time Setting . The screen appears as shown. Us e this screen to configure the NBG4115’ s time based on your local time zone.
Chapter 19 Sy stem User’s Guide 184 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 19 System User’s Guide 185 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 19 Sy stem User’s Guide 186.
User’s Guide 187 C HAPTER 20 Logs 20.1 Overview This chapter contains information abou t configuring general log set tings and viewing the NBG4115’ s logs. Refer t o the appendices for example log message explanations. The W eb Configur ator allows you to look at all of the NBG4115’ s logs in one location.
Chapter 20 L ogs User’s Guide 188 Click Maintenance > Logs to open the View Log screen. Figure 100 Maintenance > L ogs > View Log The following table describes t he labels in this screen. T able 64 Maintenance > Logs > V iew Log LABEL DESCRIPTION Ref r e s h Click Refr esh to renew the log screen.
User’s Guide 189 C HAPTER 21 Tools 21.1 Overview This chapter shows you how t o upload a new firmware, upload or sa ve backup configur ati on files and restart the NBG4115. 21.1.1 What Y ou Can Do in this Chapter •U s e t h e Firmware screen ( Section 21.
Chapter 21 To ols User’s Guide 190 21.2 Firmware Find firm ware at www .zyx el.com in a file that (usually) uses the system model name with a “*.bin” extension, e. g. , “NBG4115.bin” . The upload process uses HT TP (Hypertext T ransf er Protocol) and may take up to two minutes.
Chapter 21 Tools User’s Guide 191 After you see the Fi r m w a r e U p l o a d I n P r o c e s s screen, wait two minutes before logging into the NBG4115 agai n. Figure 102 Upload W arning The NBG4115 automatically restarts in th is time causing a tempor ary network disconnect.
Chapter 21 To ols User’s Guide 192 21.3 Configuration Click Maintenance > Too ls > Configuration . Informa tion rela ted to factory defaults, backup configuration, and restoring configur ation appears as shown next. Figure 105 Maintenance > T ools > Configuration 21.
Chapter 21 Tools User’s Guide 193 21.3.2 Restore Configuration Restore configur ation allows you to upload a new or previously saved configur ati on file from your computer to your NBG4115.
Chapter 21 To ols User’s Guide 194 If the upload was not successful, the following screen will appear . Click Return to go back to the Configuration screen.
User’s Guide 195 C HAPTER 22 Sys OP Mode 22.1 Overview The Sys OP Mode (System Operation Mode) function lets you configure whether your NBG4115 is a router or AP . Y ou can choose between Router Mode and AP Mode depending on your network t opology and the features you require from your device.
Chapter 22 Sys OP Mode User’s Guide 196 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 t o the Int ernet, another device, su ch as a router , is required. Figure 1 1 1 IP Address in AP Mode 22.
Chapter 22 Sys OP Mode User’s Guide 197 • In this mode there are both LAN and W AN ports. The LAN Ethernet and W AN Ethernet ports have di fferent IP addresses. • The DHCP server on your device is en abled and allocates IP addresses to other devices on your local network.
Chapter 22 Sys OP Mode User’s Guide 198.
User’s Guide 199 C HAPTER 23 Language 23.1 Overview This chapter shows you how t o change the W eb Conf igurator’ s display language. 23.2 Language Use this screen to change the language for t he W eb Configur ator display . Click the language you prefer .
Chapter 23 Language User’s Guide 200.
User’s Guide 201 C HAPTER 24 Troubleshooting 24.1 Overview This chapter offers some suggesti ons to solv e problems y ou might encounter . The potential problems are divided into the following categories .
Chapter 24 Tro u blesh oo tin g User’s Guide 202 2 Check the hardware connections. See the Quick Start Guide. 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 NBG4115.
Chapter 24 Troubleshooting User’s Guide 203 I forgot the password. 1 The default password is 1234 . 2 If this does not work, you have to reset the device to its factory defaults. See Section 24.5 on page 206 . I cannot see or access the Login screen in the W eb Configurator .
Chapter 24 Tro u blesh oo tin g User’s Guide 204 • If yo ur computer is connected to the WAN port or is connected wirelessly , use a computer that is connected to a LAN / ETH ERNET po rt. I can see the Login screen, but I cannot lo g in to the NBG41 15.
Chapter 24 Troubleshooting User’s Guide 205 • Select Router if your device routes traf fic between a local network and another network such as the Internet. • Select Access Point if your device bridges traffic between clients on the same network.
Chapter 24 Tro u blesh oo tin g User’s Guide 206 24.5 Resetting the NBG41 15 to It s Factory Default s If you reset the NBG4115, you lose all of the changes you have made. The NBG4115 re-loads its default settings, and t he password resets to 1234 .
Chapter 24 Troubleshooting User’s Guide 207 5 Check that both the NBG4115 and y our wireless station are using the same wireless and wireless security settings. 6 Make sure tr af fic between the WLAN and th e L AN i s not bloc k ed by the firewal l on the NBG4115.
Chapter 24 Tro u blesh oo tin g User’s Guide 208.
209 P ART VI Appendices and Index Product Specifications (211) P op-up Windows, Jav aScripts and Java P ermissions (215) IP Addresses and Subnetting (223) Setting up Y our Computer’s IP Add ress (23.
210.
User’s Guide 21 1 A PPENDIX A Product S pecifications The following tables summarize the NBG 4115’ s hardware and firmw are features. T able 68 Hardware Features Dimensions 140 mm (W) x 110 mm (D).
Appendix A Product Specifica tions User’s Guide 212 T able 69 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 P assword 1234 DHCP P ool 192.
Appendix A Product Specifications User’s Guide 213 Bandwidth Management Y ou can efficiently mana ge traffic on your network by reserving bandwidth and giving priority to certain t ypes of traffic and/or to particular computers.
Appendix A Product Specifica tions User’s Guide 214.
User’s Guide 215 A PPENDIX B Pop-up Windows, JavaScript s 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 aScripts (enabled by defa ul t). • Jav a permissions (enabled by default).
Appendix B Po p-up Window s, JavaScrip ts and Java Permissions User’s Guide 216 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, JavaScripts and Java Permissions User’s Guide 217 2 Select Settings… to open the Pop-up Blocker Settings screen. Figure 1 18 Internet Options: Privacy 3 T ype the IP address of your device (the web page that you do not want to have blocked) wi th the prefix “http://” .
Appendix B Po p-up Window s, JavaScrip ts and Java Permissions User’s Guide 218 4 Click Add to mo ve the IP address to the list of Allowed sites . Figure 1 19 Pop-up Blocker Settings 5 Click Close to return to the Privacy screen. 6 Click Apply to save this setting.
Appendix B Pop-up Windows, JavaScripts and Java Permissions User’s Guide 219 1 In Internet Explorer , click Tools , Internet Options and then the Security tab. Figure 120 Internet Options: Secu rity 2 Click the Custom Level... button . 3 Scroll down to Scriptin g .
Appendix B Po p-up Window s, JavaScrip ts and Java Permissions User’s Guide 220 6 Click OK to close the window . Figure 121 Security Settings - Java Scripting Java Permissions 1 From Internet Explorer , click Tools , Internet Opti ons and then the Security tab.
Appendix B Pop-up Windows, JavaScripts and Java Permissions User’s Guide 221 5 Click OK to close the window . Figure 122 Security Settings - Java JA V A (Sun) 1 From Internet Explorer , click Tools , Internet Opti ons and then the Adv anced tab. 2 Make sure that Use Java 2 for <applet> under Java (S un) is selected.
Appendix B Po p-up Window s, JavaScrip ts and Java Permissions User’s Guide 222 3 Click OK to close the window . Figure 123 Java (Sun).
User’s Guide 223 A PPENDIX C 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.) needs an IP address to communicate across the netw ork.
Appendix C IP Addresses a nd Subnetting User’s Guide 224 The following figure shows an example IP address in which the first three octets (192.168.1) are the network number , and the fourth octet (16) i s the host ID.
Appendix C IP Addresses and Subnetting User’s Guide 225 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 C IP Addresses a nd Subnetting User’s Guide 226 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 follows: Not.
Appendix C IP Addresses and Subnetting User’s Guide 227 Subnetting Y ou can use subnetting to divide one netw 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 C IP Addresses a nd Subnetting User’s Guide 228 The following figure shows the company network after subnet ting. There are now two sub-n etworks, A and B .
Appendix C IP Addresses and Subnetting User’s Guide 229 Each subnet contains 6 host ID bit s, giving 2 6 - 2 or 62 hosts for each subnet (a host ID of all zeroes i s the subnet it self , all ones is the subnet’ s broadcast address). T able 74 Subnet 1 IP/SUBNET MASK NETWORK NUMBER LAST OCTET BIT VA L U E IP Address (Decimal) 192.
Appendix C IP Addresses a nd Subnetting User’s Guide 230 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 C IP Addresses and Subnetting User’s Guide 231 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 C IP Addresses a nd Subnetting User’s Guide 232 that you entered. Y ou don't need to ch ange the subnet mask computed by the NBG4115 unless you are instruct ed to do otherwise. Private IP Addresses Every machine on the In ternet must ha ve a uni que address.
User’s Guide 233 A PPENDIX D 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 D Setting up Your Computer’s IP Address User’s Guide 234 Windows 95/98/Me Click Start , Settings , Control Panel and double-click the Network icon to open the Network window . Figure 127 WIndows 95/98/Me: Netwo rk: Configuration Inst alling Component s The Network window Configuration tab displays a list of installed components.
Appendix D Setting up Your Computer’s IP Address User’s Guide 235 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 . 2 Select Client and then click Add .
Appendix D Setting up Your Computer’s IP Address User’s Guide 236 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 D Setting up Your Computer’s IP Address User’s Guide 237 3 Select your network adap ter . Y ou should see yo ur computer'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 D Setting up Your Computer’s IP Address User’s Guide 238 2 In the Control Panel , double-cli ck Network Connections ( Network and Dial- up Connections in Windows 2000/NT). Figure 131 Windows XP: Control Panel 3 Right- click Local Area Connection and then click Properties .
Appendix D Setting up Your Computer’s IP Address User’s Guide 239 4 Select Internet Protocol (TCP/IP) (under the General tab in Win XP) and then click Properties . Figure 133 Windows XP: Local Area Connection Properties 5 The Internet Protocol TCP/IP Properties window opens (the General tab in Windows XP).
Appendix D Setting up Your Computer’s IP Address User’s Guide 240 •C l i c k Advanced . Figure 134 Windows XP: Internet Protocol (T CP/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 D Setting up Your Computer’s IP Address User’s Guide 241 •C l i c k OK when finished. Figure 135 Windows XP: Adva nced TCP/IP Properties 7 In the Internet Protocol TCP/IP Properties windo w (the General tab in Windows XP): •C l i c k Obtain DNS server address automatically if you do not know your DNS server IP address(es ).
Appendix D Setting up Your Computer’s IP Address User’s Guide 242 If you hav e previously configur ed DNS servers, click Advanced and t hen the DNS tab to order them. Figure 136 Windows XP: Internet Protocol (T CP/IP) Properties 8 Click OK to close the Internet Protocol (TCP/IP) Properties window.
Appendix D Setting up Your Computer’s IP Address User’s Guide 243 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 D Setting up Your Computer’s IP Address User’s Guide 244 2 Select Ethernet built-in from the Connect via list. Figure 138 Macintosh OS 8/9: TCP/IP 3 For d ynamically assigned settings, select Using DHCP Server fro m the Configure: list.
Appendix D Setting up Your Computer’s IP Address User’s Guide 245 Macintosh OS X 1 Click the Apple menu, and click System Preferences to open the System Preferences window . Figure 139 Macintosh OS X: Apple Menu 2 Click Netw ork in the icon bar . • Select Automatic from the Location list.
Appendix D Setting up Your Computer’s IP Address User’s Guide 246 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 D Setting up Your Computer’s IP Address User’s Guide 247 2 Double-click on the profile of the network card you wish to configure. The Ethernet Device General screen displays as shown.
Appendix D Setting up Your Computer’s IP Address User’s Guide 248 5 Click the Device s tab. 6 Click the Activate button to apply the changes. The following sc reen displays.
Appendix D Setting up Your Computer’s IP Address User’s Guide 249 • 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 D Setting up Your Computer’s IP Address User’s Guide 250 24.6.1 V erifying Settings Enter ifconfig in a terminal screen to ch eck your TCP/IP properties. Figure 149 Red Hat 9.0: Checking TCP/IP Properties [root@localhost]# ifconfig eth0 Link encap:Ethernet HWadd r 00:50:BA:72:5B:44 inet addr:172.
User’s Guide 251 A PPENDIX E 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 depend ent (Ad-hoc) WLAN that connect s a set of computers with wireless stations (A, B , C).
Appendix E Wirele ss LA Ns User’s Guide 252 with each other . When Intr a-BSS is disabled , wireless station A and B can still access the wired network but cannot communicate with eac h other .
Appendix E Wir eless LANs User’s Guide 253 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 u nicate. Figure 152 Infrastructure WLAN Channel A channel is the radio frequency(ies) us ed by IEEE 802.
Appendix E Wirele ss LA Ns User’s Guide 254 wireless gatewa y , but out -of- range of ea ch other , so they canno t "h ear" 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 E Wir eless LANs User’s Guide 255 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 E Wirele ss LA Ns User’s Guide 256 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 E Wir eless LANs User’s Guide 257 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 ce ss point re questin g au th enticati on.
Appendix E Wirele ss LA Ns User’s Guide 258 However , MD5 au thentication has some weaknesses. Since the authentication server needs to get the plaintext password s, t he p assword s must be stored. Thus someone other th an the authenti c a tion server may access th e p a s sw o rd file.
Appendix E Wir eless LANs User’s Guide 259 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 k eys here, but they will not be used while Dynamic WEP is enabled.
Appendix E Wirele ss LA Ns User’s Guide 260 TKIP regularly changes and rotates the encrypti on keys so that the same encry pti o n key is neve r us ed twice.
Appendix E Wir eless LANs User’s Guide 261 24.6.2 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 E Wirele ss LA Ns User’s Guide 262 Security Parameters Summary Re fer to thi s table t o see what ot her secu rity par ameters you should configure for each Authenti c a ti on M ethod/ key m a nag em e nt protocol type. MAC address filters are not dependent on how you configure these security features.
User’s Guide 263 A PPENDIX F Services The following table lists some commonl y-used services and their associated protocol s and port n umbers. • Name : This is a short, descrip tive name for the service. Y ou can use this one or create a different one, if you like.
Appendix F Service s User’s Guide 264 FTP TCP TCP 20 21 File T ransfer Progr am, a progr am to enable fast transfer of files, including large files that may not be possible by e-mail. H.323 TC P 1720 NetMeeting uses this protocol. HTTP TCP 80 Hyper T e xt T ransfer Protocol - a client/ server protocol for the world wide web.
Appendix F Services User’s Guide 265 POP3 TCP 11 0 Post Office Protocol v ersion 3 lets a client computer get e-mail from a POP3 server through a tempor ary connection (TCP/IP or other). POP3S TC P 995 This is a more secure version of POP3 that runs over S SL.
Appendix F Service s User’s Guide 266 SSDP UDP 1900 The Simple Service Discovery Protocol supports Universal Plug- and-Play (UPnP). SSH TC P/ U D P 22 Secure Shell Remote Login Program. STRM WORKS UDP 1558 Stream W orks Protocol. SYSLOG UDP 514 Syslog allows you to send system logs to a UNIX server .
User’s Guide 267 A PPENDIX G Legal Information Copyright Copyright © 2009 by Z yXEL Communications Corpor ation. The contents of this publication ma y not be reproduced in any part or as a whole, t.
Appendix G Legal Information User’s Guide 268 harmful interference to r adio communica tions. However , there is no guarantee that interference will not occu r in a particul ar installati on.
Appendix G Legal Information User’s Guide 269 T o reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the EIRP is not more than requ ired for successful communication.
Appendix G Legal Information User’s Guide 270 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 User’s Guide 271 1 Grant of License for Personal Use Z yXEL Communication s Corp. ("Z yXEL") grants you a non-exclusive, non- sublicense, non-tr ansfer able li.
Appendix G Legal Information User’s Guide 272 permit third parties to link to the Software , or any part thereof . Y ou may not use the Software, or any part thereof , in the operation of a service bureau or for the benefit of any other person or entity .
Appendix G Legal Information User’s Guide 273 IN NO EVENT WILL Z yXEL BE LIABLE T O YOU OR ANY THIRD P AR TY FOR ANY INCIDENT AL OR CO NSEQUENTIAL DAMAGES (INCLUDING, WITHOUT LIMIT A TION, INDIRECT .
Appendix G Legal Information User’s Guide 274 11 General This License Agreement shall be construed, interpreted and gov erned by the laws of Republic of China without regard to conflicts of la ws provisions thereof .
Index User’s Guide 275 Index A Address Assignment 102 alternative subnet mask notation 226 AP 21 AP (Access Point) 253 AP Mode menu 58 overview 55 status screen 56 AP+Bridge 21 Auto-bridge 11 4 B Ba.
Index User’s Guide 276 E EAP Authentication 257 e-mail 96 Encryption 259 encryption 84 and local (user) database 84 key 85 WPA compatible 84 ESS 252 ESSID 20 6 Extended Service Set 252 Extended wire.
Index User’s Guide 277 and encryption 84 Local Area Network 11 5 M MAC 90 MAC address 83 , 103 cloning 52 , 10 3 MAC address filter 83 MAC address filtering 90 MAC filter 90 managing the device good habits 22 using the web configur ator . See web configurator .
Index User’s Guide 278 registration product 270 related documentation 3 Remote manage ment 165 and NA T 166 limitations 165 system timeout 166 Reset button 29 , 194 Reset the device 29 Restore confi.
Index User’s Guide 279 WAN (Wide Area Network) 101 WA N a d v a nc ed 11 3 WAN IP address 49 W AN IP address assignment 51 WAN MAC address 103 warranty 270 note 270 W eb Configur ator how to access .
Index User’s Guide 280.
デバイスZyXEL Communications NBG4115の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
ZyXEL Communications NBG4115をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはZyXEL Communications NBG4115の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。ZyXEL Communications NBG4115の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。ZyXEL Communications NBG4115で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
ZyXEL Communications NBG4115を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はZyXEL Communications NBG4115の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、ZyXEL Communications NBG4115に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちZyXEL Communications NBG4115デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
