NETGEARメーカーDGND4000の使用説明書/サービス説明書
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350 East Plumeria Drive San Jose, C A 95134 USA September 2014 202-11047-03 N750 WiFi DSL Modem R out er P r emium Edition Model DGND4000 User Manual.
2 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Suppor t Thank you f or selecting NETGEAR pr oduc ts. After inst alling your device, locat e the serial number on the label of your product and use it to r egister your pr oduc t at https ://my .
3 Cont ents Chapter 1 Hardware Setup Unpack Y our New Rout er . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Har dware F eatures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Guest Netw orks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Guest Netw ork Wir eless Security Options . . . . . . . . . . . .
5 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Chapter 8 Administration Upgr ade the Wir eless Modem Rout er Firmwar e . . . . . . . . . . . . . . . . . . . . . . . . . . 84 View Wir eless Modem Router S tatus . . . . . . . . . . . . . .
6 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Add or Edit an Aut o VPN P olicy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 Add or Edit a Manual VPN P olic y . . . . . . . . . . . . . . . . . . . . . . . .
7 1 1. Har dw ar e Setup Get t o know y our wireless r out er The NETGEAR N750 Wireless Dual Band Gigabit DSL Modem Router—Premium Edition DGND4000 offers maximum-performance wireless speeds of up to 450 Mbps needed for demanding applications, such as large file transfers, streaming HD video, and multiplayer gaming.
Hardw are Setup 8 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Pr oduc t Specifications Package Contents • N750 Wireless Dual Band Gigabit ADSL Modem Router DGND4000 • Ethernet cabl.
Hardw are Setup 9 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 • Double firewall protection (SPI and NA T firewall) • Denial of service (DoS) attack prevention Ease of use • Easy installation.
Hardw are Setup 10 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 • ADSL Microfilters • Cable Y our N750 Wireless Modem Router • V erify the Cabling.
Hardw are Setup 11 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Unpack Y our New Rout er Y our box should contain the following items: • N750 Wireless Dual Band Gigabit ADSL Modem Rou.
Hardw are Setup 12 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Har dwar e Fe atur es Before you cable your router , take a moment to become familiar with the label and the front and back panels. Pay particular attention to the LEDs on the front panel.
Hardw are Setup 13 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Back P anel The back panel has the Power On/Off button and port connections shown in the figure: 4. Gigabit Ethernet W AN port for connecting to external 6. Power On/Off button 2.
Hardw are Setup 14 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Note: Y ou can use either the ADSL or Gigabit Ethernet port for WAN connectivity . 5. AC power adapter input 6. Power On/Of f button Fr ont P anel The wireless modem router front panel has the 10 status LEDs, icons, and ports shown in the figure.
T able 1. WPS button and LED Icon LED Activity Description Solid green Indicates that wireless security was enabled. Blinking green WPS-capable device is connecting to the device. Off WPS is not enabled. For information about the use of this button, see W i-Fi Protected Setup (WPS) Method on page 26.
T able 5. DSL LED Icon LED Activity Description Solid green Y ou have an ADSL connection. In technical terms, the ADSL port is synchronized with an ISP’s network-access device. Blinking green Indicates that the wireless modem router is negotiating the best possible speed on the ADSL line.
T able 9. LAN LED Icon LED Activity Description Solid green A LAN port has detected an Ethernet link with a device. Blinking green Data is being transmitted or received. Off No link is detected on these ports. T able 10. Power On/Off LED Icon LED Activity Description Solid green Power is supplied to the router .
Hardw are Setup 18 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Also be aware that when you use multiple access points, it is better if adjacent access points use different radio frequency channels to reduce interference.
Hardw are Setup 19 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 T wo-Line ADSL Micr ofilt er (Included) Use an ADSL microfilter with a built-in splitter when there is a single wall outlet that provides connectivity for both the wireless modem router and your telephone equipment.
Hardw are Setup 20 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 The installation guide that came in the box has a cabling diagram on the second page. ADSL Phone Line Laptop or desktop computer Fiber/Cable modem Step 1: Connect to ADSL if connecting directly to a DSL line.
21 2 2. Get S tar t ed with NE T GE AR genie Connec t t o the wir eless modem rout er This chapter explains how to use NETGEAR genie to set up your wireless modem router after you complete cabling as described in the installation guide and in the previous chapter in this book.
Get Started with NET GE AR genie 22 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 P r epare t o Set Up the Wir eless Modem Rout er Y ou can set up your wireless modem router with the NETGEAR genie automatically , or you can use the genie menus and screens to set up your wireless modem router manually .
Get Started with NET GEAR genie 23 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Wireless network key or password . Y our wireless modem router is preset with a unique wireless network name (SSID) and password for wireless access. This information is on the label located on the bottom of your wireless modem router.
Get Started with NET GE AR genie 24 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 3. Read Chapter 10, T roubleshooting . If problems persist, register your NETGEAR product and contact NETGEAR technical support.
Get Started with NET GEAR genie 25 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 CAUTION: Do not try to go online, turn off the wireless modem router, shut down the computer , or do anything else to the wireless modem router until the wireless modem router finishes restarting and the Power LED has stopped blinking for several seconds.
Get Started with NET GE AR genie 26 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 • Parental Controls . Download and set up Parental Controls to prevent objectionable content from reaching your computers. • ReadySHARE . If you connected a USB storage device to the wireless modem router, then it is displayed here.
Get Started with NET GEAR genie 27 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 T o use WPS to join the wireless network: 1. Press the WPS button on the wireless modem router top panel. 2. Within 2 minutes, press the WPS button on your wireless device, or follow the WPS instructions that came with the device.
28 3 3. NE T GEAR genie BASIC Settings Y our Internet c onnec tion and network This chapter contains the following sections: • Internet Basic Settings • Attached Devices • Parental Controls • .
NETGEAR genie BASIC Settings 29 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Int ernet Basic Settings The Internet Basic Settings screen is where you view or change ISP information.
NETGEAR genie BASIC Settings 30 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 • Domain Name (If required) . Enter the domain name provided by your ISP . These fields display when your ISP requires a login: • Internet Service Provider Encapsulation .
NETGEAR genie BASIC Settings 31 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 1. From the BASIC Home screen, select Attached Devices . Wired devices are connected to the wireless modem router with Ethernet cables. Wireless devices have joined the wireless network.
NETGEAR genie BASIC Settings 32 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 P ar ental Contr ols The first time you select Parental Controls from the BASIC Home screen, you are automatically directed to the Internet, where you can learn more about Live Parental Controls or download the application.
NETGEAR genie BASIC Settings 33 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 R eadySHARE USB St or age and Print er Y ou can view information about a USB storage device that is connected to the wireless modem router’s USB port here. USB St or age (Basic Settings) 1.
NETGEAR genie BASIC Settings 34 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 3. Click Safely Remove a USB Device to safely remove the USB device attached to your wireless modem router. 4. Click Refresh to update this screen. For more information about USB storage, see Chapter 5, USB Storage .
NETGEAR genie BASIC Settings 35 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 If you use a wireless computer to change the wireless network name (SSID) or other wireless security settings, you are disconnected when you click Apply . T o avoid this problem, use a computer with a wired connection to access the wireless modem router.
NETGEAR genie BASIC Settings 36 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 • Is your wireless device or computer connected to your network or another wireless network in your area? Some wireless devices automatically connect to the first open network (without wireless security) that they discover .
NETGEAR genie BASIC Settings 37 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Security Options Settings Note: These settings apply separately to the 2.4 GHz b/g/n and 5 GHz a/n bands. The Security Options section of the Wireless Setup screen lets you change the security option and passphrase.
NETGEAR genie BASIC Settings 38 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Guest Networks Adding a guest network allows visitors at your home to use the Internet without using your wireless security key . Y ou can add a guest network to each wireless network: 2.
NETGEAR genie BASIC Settings 39 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Note: These settings apply separately to the 2.4 GHz b/g/n and 5 GHz a/n bands. Enable Guest Network . When this check box is selected, the guest network is enabled, and guests can connect to your network using the SSID of this profile.
NETGEAR genie BASIC Settings 40 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 WP A2-PSK is stronger than WP A. It is advertised to be indecipherable due to the greater degree of randomness in encryption keys that it generates.
NETGEAR genie BASIC Settings 41 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 NET GE AR genie Mobile App T o install the genie mobile app: 1. Using your mobile device, navigate to the Apple AppStore or Google Play for Android, and search for NETGEAR genie.
42 4 4. NE T GEAR genie ADV ANCED Home Specif y cust om settings The ADV ANCED screens are for advanced users who want to specify custom settings.This chapter contains the following sections: • Setu.
NETGEAR genie ADV ANCED Home 43 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Setup Wizar d The NETGEAR genie installation process is launched the first time you set up the wireless modem router.
NETGEAR genie ADV ANCED Home 44 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 The Setup Wizard searches your Internet connection for servers and protocols to determine your ISP configuration.
NETGEAR genie ADV ANCED Home 45 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 WPS Wizar d The WPS Wizard helps you add a WPS-capable client device (a wireless device or computer) to your network. On the client device, you have to either press its WPS button or locate its WPS PIN.
NETGEAR genie ADV ANCED Home 46 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 • T o use the PIN method, select the PIN Number radio button, enter the client security PIN, and click Next . Within 2 minutes, go to the client device and use its WPS software to join the network without entering a password.
NETGEAR genie ADV ANCED Home 47 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 2. Click Next . Enter the requested information: • Connection name . Enter an appropriate name for the connection. This name is not supplied to the remote VPN endpoint.
NETGEAR genie ADV ANCED Home 48 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 5. Click Next . This screen shows the summary of the Wizard configuration with a link to view the VPNC recommended parameters (click here to view the VPNC-recommended parameters).
NETGEAR genie ADV ANCED Home 49 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 ADSL Setup The ADSL Settings screen lets you configure the multiplexing method and virtual circuit of your ADSL connection. The default parameters should be correct to match the system used by your ISP .
NETGEAR genie ADV ANCED Home 50 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 W AN Setup The W AN Setup screen lets you configure a DMZ (demilitarized zone) server , change the maximum transmit unit (MTU) size, and enable the wireless modem router to respond to a ping on the W AN (Internet) port.
NETGEAR genie ADV ANCED Home 51 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 • NA T Filtering . Network Address T ranslation (NA T) determines how the wireless modem router processes inbound traffic.
NETGEAR genie ADV ANCED Home 52 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 The best MTU setting for NETGEAR equipment is often just the default value, and changing the value might fix one problem but cause another .
NETGEAR genie ADV ANCED Home 53 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 2. In the MTU Size field, enter a new size from 64 through 1500.
NETGEAR genie ADV ANCED Home 54 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 These settings are described in the following section, LAN Setup Screen Settings . 3. Click Apply to save your changes. L AN Setup Scr een Settings L AN T CP /IP Setup • IP Address .
NETGEAR genie ADV ANCED Home 55 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 computers from a pool of addresses specified in this screen.
NETGEAR genie ADV ANCED Home 56 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Tip: If the computer is already on your network, you can copy its MAC address from the Attached Devices screen and paste it here. 4. Click Apply to enter the reserved address into the table.
NETGEAR genie ADV ANCED Home 57 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 WMM QoS is enabled by default. Y ou can disable it in the QoS Setup screen by clearing the Enable WMM check box and clicking Apply .
NETGEAR genie ADV ANCED Home 58 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 4. In the QoS Policy for field, type the name of the application or game. 5. In the Priority Category list, select either Applications or Online Gaming . In either case, a list of applications or games displays in the Applications list.
NETGEAR genie ADV ANCED Home 59 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 QoS f or a Wireless Modem R out er L AN P or t T o create a QoS policy for a device connected to one of the wireless modem router’ s LAN ports: 1. Select ADV ANCED > Setup > QoS Setup to display the QoS Setup screen.
NETGEAR genie ADV ANCED Home 60 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Edit or Delet e an E xisting QoS P olic y T o edit or delete a QoS policy: 1.
61 5 5. USB S t or age Acc ess and configur e a USB stor age drive This chapter describes how to access and configure a USB storage drive attached to your wireless modem router. The USB port on the wireless modem router can connect only to USB storage devices like flash drives or hard drives.
USB St or age 62 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 USB Driv e R equir ements The wireless modem router works with 1.0 and 1.1 (USB Full Speed) and 2.0 (USB High Speed) standards. The approximate USB bus speeds are shown in the following table.
USB St or age 63 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 File-Sharing Sc enarios Y ou can share files on the USB drive for a wide variety of business and recreational purposes. The files can be any Windows, Mac, or Linux file type including text, W ord, PowerPoint, Excel, and MP3 files, pictures, and multimedia.
USB St or age 64 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Shar e Lar ge Files over the Int ernet Sending files that are larger than 5 MB can pose a problem for many email systems. The wireless modem router allows you to share large files such as PowerPoint presentations or .
USB St or age 65 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 By default, the USB storage device is available to all computers on your local area network (LAN). T o access your USB device: 1. Click the network device name or the share name in your computer ’s network folders list.
USB St or age 66 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 USB St or age Advanc ed Settings Y ou can set up the device name, workgroups, and network folders for your USB device. On the Advanced tab, select USB Storage > Advanced Settings .
USB St or age 67 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 A vailable Network Folder s Y ou might need to scroll down to view this section of the screen: • Share Name . If only one device is connected, the default share name is USB_Storage.
USB St or age 68 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Media Ser ver Settings By default, the wireless modem router is set up to act as a Ready DLNA Media server , which lets you view movies and photos on DLNA/UPnP A V–compliant media players.
USB St or age 69 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Specif y Appr ov ed USB Devices For more security , you can set up the wireless modem router to share approved USB devices only . Y ou can access this feature from the Advanced Setup menu on the Advanced tab.
USB St or age 70 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 3. T o add an approved USB device, select it from the Available USB Devices list, and click Add . 4. Select the Allow only approved devices check box. 5. Click Apply so that your change takes effect.
71 6 6. USB P rint er Contr ol Acc ess and configur e a USB printer This chapter describes how to access and configure a USB printer attached to your wireless modem router.
USB Print er Contr ol 72 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 The USB Control Center utility allows you to control a shared USB device such as a printer from your computer that is connected to the USB port on your router .
USB Print er Contr ol 73 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 • W aiting to Connect . Y ou need to connect to this device from the computer that you are using. If you are connecting for the first time, you might be prompted to install the device driver .
USB Print er Contr ol 74 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Note: Some USB printers (for example, HP and Lexmark printer) request that you do not connect the USB cable until prompted by the installation software.
75 7 7. Securit y K eep unwant ed cont ent out of your network This chapter explains how to use the basic firewall features of the wireless modem router to prevent objectionable content from reaching the computers and other devices connected to your network.
Security 76 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 K ey wor d Blocking of HT TP T r affic Use keyword blocking to prevent certain types of HTTP traffic from accessing your network. The blocking can be always or according to a schedule.
Security 77 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Fir ewall Rules Services are functions performed by server computers at the request of client computers. For example, web servers serve web pages, time servers serve time and date information, and game hosts serve data about other players’ moves.
Security 78 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 The Firewall Rules screen lists all firewall rules that have been changed from their default settings. The default rules allow all outgoing traf fic and block all incoming traffic.
Security 79 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 • BLOCK by schedule, otherwise Allow . Allow the traffic covered by this rule, unless it is blocked according to the schedule specified on the Schedule screen in Schedule for Firewall Rules on page 81.
Security 80 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 described in Firewall Rules on page 77) and the Inbound Services screen (as described in Port Forwarding and T riggering on page 109). T o add a custom service: 1. Click Add Custom Service to add a service.
Security 81 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Schedule f or Fir ewall Rules Y ou can specify the days and time that you want to block Internet access. T o specify the firewall rule schedule: 1. Select ADV ANCED > Security > Schedule .
Security 82 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Securit y Ev ent Email Notifications T o receive logs and alerts by email, provide your email information in the E-mail screen and specify which alerts you want to receive and how often.
83 8 8. Administr ation Manage y our network This chapter describes the settings for administering and maintaining your wireless modem router and home network.
Administr ation 84 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Upgr ade the Wir eless Modem Rout er Firmwar e The wireless modem router firmware (routing software) is stored in flash memory . Y ou can update the firmware from the Administration menu on the Advanced tab.
Administr ation 85 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 View Wir eless Modem Rout er Status T o view wireless modem router status and usage information, select ADV ANCED Home , or select Administration > Router Status . Rout er Inf ormation Hardware V ersion.
Administr ation 86 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 IP Address . The IP address used by the Internet (W AN) port of the wireless modem router. If no address is shown or the address is 0.0.0, the wireless modem router cannot connect to the Internet.
Administr ation 87 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 T o stop the polling entirely , click Stop . Connection Status Butt on On the Router Status screen in the Internet Port pane, click the Connection Status button to view connection status information.
Administr ation 88 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Region . The geographic region where the wireless modem router is being used. It might be illegal to use the wireless features of the wireless modem router in some parts of the world.
Administr ation 89 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 View VPN St atus The log is a detailed record of the websites you accessed or attempted to access. Up to 256 entries are stored in the log. Log entries appear only when keyword blocking is enabled and no log entries are made for the trusted user .
Administr ation 90 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 1. Select ADV ANCED > Administration > Logs . The Logs screen shows the following information: • Date and time . The date and time the log entry was recorded. • Source IP .
Administr ation 91 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Back Up Settings T o back up the wireless modem router’ s configuration settings: 1. Select ADV ANCED > Administration > Backup Settings. 2. Click Backup Settings to save a copy of the current settings.
Administr ation 92 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Either you can use the Restore Factory Settings button on the back of the wireless modem router (see Factory Settings on page 146), or you can click the Erase button in this screen.
Administr ation 93 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 T o set up password recovery: 1. Select the Enable Password Recovery check box. 2. Select two security questions and provide answers to them. 3. Click Apply to save your changes.
Administr ation 94 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 • Reboot the Router . Click this button to perform a remote restart of the router . Use this operation if the router seems to have become unstable or is not operating normally .
Administr ation 95 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Time Machine T ime Machine works only on Mac computers. It automatically backs up everything on your computer to a USB hard drive that is connected to the Mac.
Administr ation 96 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Acc ess the Connec ted USB Har d Drive After the initial set up explained in the previous section, you can access the connected USB hard drive from Y our Mac or Windows computer .
Administr ation 97 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Y ou are prompted to log in. Show Time Machine status in the menu bar Click the lock to prevent further changes. OFF ON Time Machine T ime Machine Show All your music, pictures, and other inportant les.
Administr ation 98 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Bef or e Y ou Back Up a Lar ge Amount of Data Before you back up a large amount of data with T ime Machine, NETGEAR recommends that you do the following to ensure a successful operation: 1.
Administr ation 99 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 c. On the Security screen, leave the Log out after minutes of inactivity check box cleared (not selected).
Administr ation 100 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Change the P ar tition Scheme T o run with the router , the partition scheme on your Mac has to be set to either GUID or MBR. T o make sure the partition scheme is set to one of these supported schemes: 1.
101 9 9. Adv anc ed Settings Fine-tuning y our network This chapter describes the advanced features of your wireless modem router. The information is for users with a solid understanding of networking.
Advanced Settings 102 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Advanc ed Wir eless Settings 1. Select ADV ANCED > Advanced Setup > Wireless Settings : The following settings are available in this screen: 2. Enable W ireless Router Radio .
Advanced Settings 103 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Y ou can use this feature to turn off the wireless signal from your wireless modem router at times when you do not need a wireless connection. For example, you could turn it off for the weekend if you leave town.
Advanced Settings 104 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 On this screen, you can restrict access to your network to specific devices based on their MAC address.
Advanced Settings 105 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Wir eless R epeating Function ( WDS) Y ou can set the N750 Modem Router up to be used as a wireless access point (AP). Doing this setup enables the wireless modem router to act as a wireless repeater .
Advanced Settings 106 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Wireless Repeater . The wireless modem router sends all traffic from its local wireless or wired computers to a remote access point. T o configure this mode, you have to know the MAC address of the remote parent access point.
Advanced Settings 107 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 - If you are setting up a point-to-point bridge, select this check box. - If you want all client traffic to go through the other access point (repeater with wireless client association), leave this check box cleared.
Advanced Settings 108 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 2. Select ADV ANCED > Advanced Setup > Wireless Repeating Function. 3. Depending on the frequency you want to use, select the Enable Wireless Repeating Function check box and select the Wireless Base Station radio button.
Advanced Settings 109 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 5. V erify connectivity across the LANs. A computer on any wireless or wired LAN segment of the wireless modem router can connect to the Internet or share files and printers with any other wireless or wired computer or server connected to the other access point.
Advanced Settings 110 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 modem router stores the original information and then modifies the source information in the request message, performing Network Address T ranslation (NA T): • The source address is replaced with your wireless modem router’s public IP address.
Advanced Settings 111 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 the wireless modem router to open additional incoming ports when a particular outgoing port originates a session. An example is Internet Relay Chat (IRC). Y our computer connects to an IRC server at destination port 6667.
Advanced Settings 112 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 P or t For w ar ding t o P ermit Ex t ernal Host Communications In both of the preceding examples, your computer initiates an application session with a server computer on the Internet.
Advanced Settings 113 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 How P or t For w ar ding Diff ers fr om P or t T riggering The following points summarize the differences between port forwarding and port triggering: • Port triggering can be used by any computer on your network, although only one computer can use it at a time.
Advanced Settings 114 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 1. Select ADV ANCED > Advanced Setup > Port Forwarding/Port T riggering. Port Forwarding is selected as the service type. 2. Click Add . 3. From the Service list, select the service or game that you host on your network.
Advanced Settings 115 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Add a Cust om Ser vice T o define a service, game, or application that does not appear in the Service Name list, you have to first determine which port number or range of numbers is used by the application.
Advanced Settings 116 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Application Example: Making a Local W eb Ser ver Public If you host a web server on your local network, you can use port forwarding to allow web requests from anyone on the Internet to reach your web server .
Advanced Settings 117 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 T o set up port triggering: 1. Select ADV ANCED > Advanced Setup > Port Forwarding/Port T riggering . 2. Select the Port T riggering radio button to display the port triggering information.
Advanced Settings 118 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 5. Click Add Service . 6. In the Service Name field, type a descriptive service name. 7. In the Service User list, select Any (the default) to allow this service to be used by any computer on the Internet.
Advanced Settings 119 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 account and host name that you configure in the wireless modem router. Then, whenever your ISP-assigned IP address changes, your wireless modem router automatically contacts the Dynamic DNS service provider , logs in to your account, and registers your new IP address.
Advanced Settings 120 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 As an example of when a static route is needed, consider the following case: • Y our primary Internet access is through a cable modem to an ISP . • Y ou have an ISDN wireless modem router on your home network for connecting to the company where you are employed.
Advanced Settings 121 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 3. In the Route Name field, type a name for this static route (for identification purposes only). 4. Select the Private check box if you want to limit access to the LAN only .
Advanced Settings 122 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 R emote Management The remote management feature lets you upgrade or check the status of your N750 Modem Router over the Internet. T o set up remote management: 1. Select ADV ANCED > Advanced Setup > Remote Management .
Advanced Settings 123 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Normal web browser access uses the standard HTTP service port 80. For greater security , enter a custom port number for the remote web management interface. Choose a number from 1024 through 65535, but do not use the number of any common service port.
Advanced Settings 124 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 T o turn on Universal Plug and Play: 1. Select ADV ANCED > Advanced Setup > UPnP . 2. The available settings and information in this screen are: T urn UPnP On .
Advanced Settings 125 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 IPv6 Y ou can use this feature to set up an IPv6 Internet connection type if NETGEAR genie does not detect it automatically . T o set up an IPv6 Internet connection type: 1.
Advanced Settings 126 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 T o monitor Internet traffic: 1. Click ADV ANCED > Advanced Setup > T raffic Meter . 2. T o enable the traffic meter , select the Enable T raffic Meter check box.
Advanced Settings 127 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Devic e Mode When the wireless modem router is in Router mode, this screen allows switching to Modem mode, where the wireless modem router acts as a pure bridge or DSL modem.
Advanced Settings 128 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 There are two types of VPN policies: • Manual . All settings (including the keys) for the VPN tunnel are input manually at each end (both VPN endpoints). No third-party server or organization is involved.
Advanced Settings 129 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 • Apply . Save any changes to the Enable setting for each policy . • Cancel . Discard any unsaved changes to the Enable setting for each policy . • Add Auto Policy .
Advanced Settings 130 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 - Remote VPN Endpoint . If the remote endpoint has a dynamic IP address, select Dynamic IP Address .
Advanced Settings 131 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 - Direction/T ype . This setting is used when determining if the IKE policy matches the current traffic. Select the desired option. - Responder only . Incoming connections are allowed, but outgoing connections are blocked.
Advanced Settings 132 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 This setting applies to both IKE and IPSec SAs. When configuring the remote endpoint to match this setting, you might need to specify the key group used. For this device, the key group is the same as the DH Group setting in the IKE section.
Advanced Settings 133 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 • Local LAN . These settings identify which computers on your LAN are covered by this policy . For each selection, data must be provided as follows: - Single address .
134 10 10. T r oubleshooting Diagnose and solve pr oblems This chapter provides information to help you diagnose and solve problems you might have with your wireless modem router. If you do not find the solution here, check the NETGEAR support site at http://support.
T roubleshooting 135 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Quick Tips This section describes tips for troubleshooting some common problems. Sequence t o R estart Y our Network Be sure to restart your network in this sequence: 1. T urn off and unplug the modem.
T roubleshooting 136 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 T roubleshoot with the LEDs After you turn on power to the wireless modem router, the following sequence of events should occur: 1. When power is first applied, verify that the Power LED is lit.
T roubleshooting 137 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 LEDs Never T urn Off When the wireless modem router is turned on, the LEDs turn on for about 10 seconds and then turn off. If all the LEDs stay lit, there is a fault within the wireless modem router.
T roubleshooting 138 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Cannot Log In t o the Rout er If you are unable to log in to the wireless modem router from a computer on your local ne.
T roubleshooting 139 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 T o check the W AN IP address: 1. Start your browser , and select an external site such as http://www .netgear .com . 2. Access the wireless modem router interface at http://www .
T roubleshooting 140 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 T r oubleshoot PPP oE If you are using PPPoE, try troubleshooting your Internet connection. T o troubleshoot a PPPoE connection: 1. Log in to the wireless modem router.
T roubleshooting 141 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 • When entering configuration settings, be sure to click Apply before moving to another screen or tab, or your changes could be lost. • Click Refresh or Reload in the web browser .
T roubleshooting 142 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 • If you want to view the wireless settings for the wireless modem router, use an Ethernet cable to connect a computer to a LAN port on the wireless modem router.
T roubleshooting 143 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 T o ping the wireless modem router from a computer running Windows: 1. From the Windows toolbar , click Start , and select Run . 2. In the field provided, t ype ping followed by the IP address of the wireless modem router, as in this example: ping www .
T roubleshooting 144 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 • Check that your computer has the IP address of your wireless modem router listed as the default gateway . If the IP configuration of your computer is assigned by DHCP , this information is not visible in your computer ’s Network Control Panel.
145 A A. Supplement al Inf ormation F ac tory settings and t echnical specifications This appendix provides factory default settings and technical specifications for the N750 Wireless Dual Band Gigabit ADSL Modem Router DGND4000.
Supplemental Inf ormation 146 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 F ac t ory Settings Y ou can return the wireless modem router to its factory settings. Use the end of a paper clip or some other similar object to press and hold the Restore Factory Settings button on the back of the router for at least 5 seconds.
Supplemental Inf ormation 147 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Wireless Wireless communication Enabled SSID name See router label Security Enabled Broadcast SSID Enabled T r.
Supplemental Inf ormation 148 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 T echnical Specifications T able 14. DGND4000 Router specifications Feature Description Data and routing proto.
Supplemental Inf ormation 149 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 Operating frequency range 2.4 GHz 2.412–2.462 GHz (US) 2.412–2.472 GHz (Japan) 2.412–2.472 GHz (Europe ETSI) 5 GHz 5.18–5.24 + 5.745–5.825 GHz (US) 5.18–5.
150 Inde x A AC pow er adapter input 14 acc ess r emot e 122 viewing logs 89 acc ess points 105 acc essing remo te c omputer 109 adding custom services 115 guest network 38 priority rules 57 QoS polic.
151 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 r estoring 91 file sharing 63 firmwar e version 85 firmwar e, upgrading 24 , 84 fragment ation length 102 fragment ed data packe ts 51 f.
152 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 O On/Off button 14 On/Off LED 17 one-line ADSL micr ofilter 18 outgoing mail server 82 P packe ts, fragment ed 51 P arent al Controls 32.
153 N750 Wireles s Dual Band Gigabit ADSL Modem Router DGND4000 U Universal Plug and Play (UPnP) 123 up time, system 86 upgrading firmw are 24 , 84 USB advanced c onfiguration 66 advanced se ttings 12.
デバイスNETGEAR DGND4000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:
NETGEAR DGND4000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NETGEAR DGND4000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。NETGEAR DGND4000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。NETGEAR DGND4000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。
NETGEAR DGND4000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NETGEAR DGND4000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、NETGEAR DGND4000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NETGEAR DGND4000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。