ZyXEL NBG-418N User Guide

ZyXEL NBG-418N Manual

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  • ZyXEL NBG-418N | User Guide - Page 1
    NBG-418N Wireless N Home Router Default Login Details LAN IP Address http://192.168.1.1 User Name admin Password 1234 Version 1.00 Editionw1w,w.4zy/x2el0.c1om2 www.zyxel.com IMPORTANT! READ CAREFULLY BEFORE USE. KEEP THIS GUIDE FOR FUTURE REFERENCE. IMPORTANT! Copyright © 2012 ZyXEL
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    updated firmware/software for your device. Every effort has been made to ensure that the information in this manual is accurate. Related Documentation • Quick Start Guide The Quick Start Guide shows how to connect the NBG-418N and configure it using the Web Configurator wizard. 2 NBG-418N User
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    65 Wireless LAN ...67 WAN ...85 LAN ...93 DHCP Server ...97 Network Address Translation ...101 Dynamic DNS ...109 Firewall ...111 Remote Management ...115 Universal Plug-and-Play (UPnP) ...119 System ...125 Logs ...129 Tools ...131 Sys OP Mode ...137 Language ...139 Troubleshooting ...141 NBG-418N
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    Contents Overview 4 NBG-418N User's Guide
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    Ethernet Connection ...26 3.4.2 PPPoE Connection ...26 3.4.3 PPTP Connection ...27 3.4.4 Your IP Address ...28 3.4.5 WAN IP Address Assignment 29 3.4.6 IP Address and Subnet Mask 30 3.4.7 DNS Server Address Assignment 30 3.4.8 WAN IP and DNS Server Address Assignment 30 NBG-418N User's Guide 5
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    Universal Repeater Navigation Panel 51 4.5 Setting your NBG-418N to Client Bridge Mode 52 4.5.1 Status Screen (Client Bridge Mode 53 4.5.2 Client Bridge Navigation Panel 54 Chapter 5 Tutorials ...57 5.1 Overview ...57 5.2 How to Connect to the Internet from an AP 57 5.2.1 Configure Wireless
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    Do ...102 10.2.1 What You Need To Know ...102 10.3 General NAT Screen ...103 10.4 NAT Application Screen ...104 10.5 Technical Reference ...106 10.5.1 NAT Port Forwarding: Services and Port Numbers 106 10.5.2 NAT Port Forwarding Example 107 NBG-418N User's Guide 7
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    Web Configurator Easy Access 122 Chapter 15 System ...125 15.1 Overview ...125 15.2 What You Can Do ...125 15.3 System General Screen ...125 15.4 Time Setting Screen ...126 Chapter 16 Logs ...129 16.1 Overview ...129 16.2 What You Need to Know ...129 16.3 View Log Screen ...129 8 NBG-418N User
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    Screen ...139 Chapter 20 Troubleshooting...141 20.1 Power, Hardware Connections, and LEDs 141 20.2 NBG-418N Access and Login ...142 20.3 Internet Access ...143 20.4 Resetting the NBG-418N to Its Factory Defaults 144 20.5 Wireless Problems ...145 Appendix A IP Addresses and Subnetting 147 Appendix
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    Table of Contents 10 NBG-418N User's Guide
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    PART I User's Guide 11
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    12
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    access to mobile users. Your can create the following connections using the NBG-418N: • LAN. You can connect network devices via the Ethernet ports of the NBG-418N so that they can communicate with each other and access the Internet. • WLAN. Wireless clients can connect to the NBG-418N to access
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    or even crashes. If you forget your password, you will have to reset the NBG-418N to its factory default settings. If you backed up an earlier configuration file, you would not have to totally re-configure the NBG-418N. You could simply restore your last configuration. 14 NBG-418N User's Guide
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    has failed. WPS status is configured. The NBG-418N is negotiating a WPS connection with a wireless client. The WPS status is not configured or disabled. 1.4 The WPS Button Your NBG-418N supports WiFi Protected Setup (WPS), which is an easy way to set up a secure wireless network. WPS is an industry
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    a gap of about 0.5 cm. 4 Make sure the screws are fastened well enough to hold the weight of the NBG-418N with the connection cables. 5 Align the holes on the back of the NBG-418N with the screws on the wall. Hang the NBG-418N on the screws. Figure 3 Wall Mounting Example 16 NBG-418N User's Guide
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    set your computer to get an IP address automatically (computer factory default) or give it a fixed IP address in the range between 192.168.1.3 and 192.168.1.254 (see the appendices). 4 Type admin (default) as the user name and 1234 (default) as the password and click OK. NBG-418N User's Guide 17
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    Wireless setup. • Click Go to Advanced Setup to view and configure all the NBG-418N's settings. • Select a language to go to the basic Web Configurator in that language. To change to the advanced configurator see Chapter 19 on page 139. Figure 5 Selecting the setup mode 18 NBG-418N User's Guide
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    need to use the RESET button at the back of the NBG-418N to reload the factory-default configuration file. This means that you will lose all configurations that you had previously saved, the username will be reset to admin and password will be reset to 1234. The IP address will be reset to "192.168
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    Chapter 2 The Web Configurator 20 NBG-418N User's Guide
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    to Advanced setup to skip this wizard setup and configure basic or advanced features accordingly. Figure 6 Select Wizard or Advanced Mode 2 Choose a language by clicking on the language's button. The screen will update. Click the Next button to proceed to the next screen. NBG-418N User's Guide 21
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    the on-screen information and click Next. Figure 8 Welcome to the Connection Wizard 3.2 Connection Wizard: STEP 1: System Information System Information contains administrative and system-related in the Full computer name field and enter it as the NBG418N System Name. 22 NBG-418N User's Guide
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    computer, the domain name can be assigned from the NBG-418N via DHCP. Click Next to configure the NBG-418N for Internet access. Figure 9 Wizard Step 1: System without saving. 3.3 Connection Wizard: STEP 2: Wireless LAN Set up your wireless LAN using the following screen. NBG-418N User's Guide 23
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    NBG-418N must use the same SSID, channel ID, WPAPSK (if WPA-PSK is enabled) or WPA2-PSK (if WPA2-PSK is enabled) for wireless communication. 3.3.1 WPA-PSK or WPA2-PSK Security Choose WPA-PSK or WPA2-PSK security in the Wireless LAN setup screen to set up a PreShared Key. 24 NBG-418N User's Guide
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    If the wizard does not detect a connection type, you must select one from the drop-down list box. Check with your ISP to make sure you use the correct type. This wizard screen varies according to the connection type that you select. Figure 12 Wizard Step 3: ISP Parameters. NBG-418N User's Guide 25
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    and offer new IP services for specific users. Operationally, PPPoE saves significant effort for both the subscriber and the ISP/carrier, as it requires no specific configuration of the broadband modem at the subscriber's site. By implementing PPPoE directly on the NBG-418N (rather than individual
  • ZyXEL NBG-418N | User Guide - Page 27
    ) using TCP/IP-based networks. PPTP supports on-demand, multi-protocol, and virtual private networking over public networks, such as the Internet. Refer to the appendix for more information on PPTP. Note: The NBG-418N supports one PPTP server connection at any given time. NBG-418N User's Guide 27
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    with the User Name above. PPTP Configuration Server IP Address Type the IP address of the PPTP server. Get automatically from ISP Select this radio button if your ISP did not assign you a fixed IP address. Use fixed IP address Select this radio button, provided by your ISP to give the NBG-418N
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    your particular situation, do not create an arbitrary IP address; always follow the guidelines above. For more information on address assignment, please refer to RFC 1597, Address Allocation for Private Internets and RFC 1466, Guidelines for Management of IP Address Space. NBG-418N User's Guide 29
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    and/or set to From ISP in the WAN > Internet Connection screen for the ISP to dynamically assign the DNS server IP addresses. 3.4.8 WAN IP and DNS Server Address Assignment The following wizard screen allows you to assign a fixed WAN IP address and DNS server addresses. 30 NBG-418N User's Guide
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    the factory and consists of six pairs of hexadecimal characters, for example, 00:A0:C5:00:00:02. This screen allows users to configure the WAN port's MAC address by either using the NBG-418N's MAC address, copying the MAC address of the computer from which you are configuring the NBG418N or manually
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    Address LABEL DESCRIPTION Factory Default Select Factory Default to use the factory assigned default MAC address. Clone the computer's MAC address - MAC Address Select this option to clone the MAC address of the computer (displaying in the screen) from which you are configuring the NBG-418N
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    Chapter 3 Connection Wizard Well done! You have successfully set up your NBG-418N to operate on your network and access the Internet. NBG-418N User's Guide 33
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    Chapter 3 Connection Wizard 34 NBG-418N User's Guide
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    mode is 192.168.1.1. The default IP address of the NBG-418N in other modes is 192.168.1.2. • Router: Use this mode if you want to use routing functions such as LAN DHCP, NAT, firewall and so on on the NBG-418N (N). The NBG-418N has separate LAN and WAN network IP addresses. Connect the WAN port
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    your NBG-418N to Router Mode The NBG-418N is set to wireless router mode by default. If it was changed and now you want to set it back, do the following procedure. 1 Connect your computer to the LAN port of the NBG-418N. 2 The default LAN IP address of the NBG-418N is 192.168.1.1 in router mode (192
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    mode. Click OK in the pop-up message window. Click Apply. Note: Wait while the NBG-418N restarts, then log in to the Web Configurator again. The NBG-418N IP address is now 192.168.1.1. 4.2.1 Status Screen (Router Mode) The screen below shows the status screen in Router mode. NBG-418N User's Guide
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    labels shown in the Status screen in Router mode. Table 14 Web Configurator Status Screen (Router Mode) LABEL DESCRIPTION Device Information System Name This is the System Name you enter in the Maintenance > System > General screen. It is for identification purposes. 38 NBG-418N User's Guide
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    .11 Mode - WPS DESCRIPTION This is the current firmware version of the NBG-418N. This shows the WAN Ethernet adapter MAC Address of your device. This shows the current connection type. This shows the WAN port's IP address. This shows the WAN port's subnet mask. This shows the WAN port's gateway IP
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    Table 14 Web Configurator Status Screen (Router Mode) (continued) LABEL Interface Status DESCRIPTION This displays the NBG-418N port types. The port types are: WAN, LAN and WLAN. For the LAN and WAN ports, this field displays Down (line is down) or Up (line is up or connected). Rate For the
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    per second on this port. This is the total time the NBG-418N has been on. Enter the time interval for refreshing statistics in this field. Click this button to apply the new poll interval you entered in the Poll Interval(s) field. Click Stop to stop refreshing statistics. NBG-418N User's Guide 41
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    This field displays the time a wireless station first associated with the NBG-418N's WLAN network. Refresh Click Refresh to reload the list. 4.2.2 Router Mode Navigation Panel Use the menu in the navigation panel menus to configure NBG-418N features in Router Mode. 42 NBG-418N User's Guide
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    . WAN Internet Connection This screen allows you to configure ISP parameters, WAN IP address assignment, DNS servers and the WAN MAC address. LAN IP Use this screen to configure LAN IP address and subnet mask. DHCP Server General Advanced Use this screen to enable the NBG-418N's DHCP server
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    . 4.3 Setting your NBG-418N to AP Mode 1 Connect your computer to the LAN port of the NBG-418N. 2 The default LAN IP address of the NBG-418N is 192.168.1.1 in router mode (192.168.1.2 by default in non-router mode). In router mode, the NBG-418N can assign your computer an IP address, so you must
  • ZyXEL NBG-418N | User Guide - Page 45
    window. Click Apply. Your NBG-418N is now in AP Mode. Note: Wait while the NBG-418N restarts, then log in to the Web Configurator again. 4.3.1 Status Screen (AP Mode) Click on Status. The screen below shows the status screen in AP Mode. Figure 31 Status Screen (AP Mode) NBG-418N User's Guide 45
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    must support the same standard in order to be able to connect to the NBG-418N This shows the WPS (WiFi Protected Setup) Status. Click the status to display Network > Wireless LAN > WPS screen. This field shows the device operation mode: Router, Access Point, Client Bridge or Universal Repeater. This
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    the Wireless LAN is enabled. Use this screen to configure LAN IP address and subnet mask. Use this screen to view and change administrative settings such as system and domain names, password and inactivity timer. Use this screen to change your NBG-418N's time and date. NBG-418N User's Guide 47
  • ZyXEL NBG-418N | User Guide - Page 48
    Setting your NBG-418N to Universal Repeater Mode 1 Connect your computer to the LAN port of the NBG-418N. 2 The default LAN IP address of the NBG-418N is 192.168.1.1 in router mode (192.168.1.2 by default in non-router mode). In router mode, the NBG-418N can assign your computer an IP address, so
  • ZyXEL NBG-418N | User Guide - Page 49
    of the NBG-418N. LAN Information - MAC Address This shows the LAN Ethernet adapter MAC Address of your device. - IP Address This shows the LAN port's IP address. - IP Subnet Mask This shows the LAN port's subnet mask. - DHCP This shows the LAN port's DHCP role. NBG-418N User's Guide 49
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    LAN. This shows the level of wireless security the NBG-418N is using. This shows the IEEE 802.11 standard that the NBG-418N supports. Wireless clients must support the same standard in order to be able to connect to the NBG-418N This shows the WPS (WiFi Protected Setup) Status. Click the link to
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    enabled. LAN IP Use this screen to configure LAN IP address and subnet mask. Maintenance System General Use this screen to view and change administrative settings such as system and domain names, password and inactivity timer. Time Setting Use this screen to change your NBG-418N's time and
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    Repeater. Language Language This screen allows you to select the language you prefer. 4.5 Setting your NBG-418N to Client Bridge Mode 1 Connect your computer to the LAN port of the NBG-418N. 2 The default LAN IP address of the NBG-418N is 192.168.1.1 in router mode (192.168.1.2 by default
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    LAN port's subnet mask. - DHCP This shows the LAN port's DHCP role - None. System Status Operation Mode This field shows the device operation mode: Router, Access Point, Client Bridge or Universal Repeater. System Up Time This is the total time the NBG-418N has been on. NBG-418N User's Guide
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    port packet statistics. 4.5.2 Client Bridge Navigation Panel Use the menu in the navigation panel to configure NBG-418N features in Client Bridge Mode. The following screen and table show the features you can configure in Client Bridge Mode. Figure 38 Menu: Client Bridge Mode 54 NBG-418N User
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    the configuration or reset the factory defaults to your NBG-418N. Restart This screen allows you to reboot the NBG-418N without turning the power off. Sys OP Mode General This screen allows you to select whether your device acts as a Router, Access Point, Client Bridge or Universal Repeater
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    Chapter 4 Modes 56 NBG-418N User's Guide
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    . • PIN Configuration - create a secure wireless network simply by entering a wireless client's PIN (Personal Identification Number) in the NBG-418N's interface. See Section 5.2.1.2 on page 59. This is the more secure method, since one device can authenticate the other. NBG-418N User's Guide 57
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    take up to two minutes. Then the wireless client is able to communicate with the NBG-418N securely. The following figure shows you an example to set up wireless network and security by pressing a button on both NBG-418N and wireless client (the NWD210N in this example). 58 NBG-418N User's Guide
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    may take up to two minutes. Then the wireless client is able to communicate with the NBG-418N securely. The following figure shows you the example to set up wireless network and security on NBG-418N and wireless client (ex. NWD210N in this example) by using PIN method. NBG-418N User's Guide 59
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    Chapter 5 Tutorials Figure 41 Example WPS Process: PIN Method Wireless Client NBG-418N WITHIN 2 MINUTES Authentication by PIN SECURITY INFO COMMUNICATION 60 NBG-418N User's Guide
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    -PSKpre-sharedkey) Follow the steps below to configure the wireless settings on your NBG-418N. The instructions require that your hardware is connected (see the Quick Start Guide) and you are logged into the Web Configurator through your LAN connection (see Section 2.2 on page 17). 1 Open the
  • ZyXEL NBG-418N | User Guide - Page 62
    5.3.0.1 Configure Your Notebook Note: We use the ZyXEL M-302 wireless adapter utility screens as an example for the wireless client. The screens may vary for different models. 1 The NBG-418N supports IEEE the example screen below. 4 Select SSID_Example3 and click Connect. 62 NBG-418N User's Guide
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    window appears. Check your settings and click Save to continue. Figure 46 Confirm Save 7 Check the status of your wireless connection in the screen below. If your wireless connection is weak or you have no connection, see the Troubleshooting section of this User's Guide. NBG-418N User's Guide 63
  • ZyXEL NBG-418N | User Guide - Page 64
    5 Tutorials Figure 47 Link Status If your connection is successful, open your Internet browser and enter http://www.zyxel.com or the URL of any other web site in the address bar. If you are able to access the web site, your wireless connection is successfully configured. 64 NBG-418N User's Guide
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    PART II Technical Reference 65
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    66
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    is the part in the blue circle. In this wireless network, devices A and B are called wireless clients. The wireless clients use the access point (AP) to interact with other devices (such as the printer) or with the Internet. Your NBG-418N is the AP in the above example. NBG-418N User's Guide 67
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    screen to choose an access point that you want the NBG-418N (in universal repeater or client bridge mode) to connect to. You should know the security settings of the target AP. • Use the WLAN Info screen to view the SSID and security of the selected AP wireless network. 68 NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 69
    the wireless network. 1. Some wireless devices, such as scanners, can detect wireless networks but cannot use wireless networks. These kinds of wireless devices might not have MAC addresses. 2. Hexadecimal characters are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, and F. NBG-418N User's Guide 69
  • ZyXEL NBG-418N | User Guide - Page 70
    they connect and set up a secure network by themselves. See how to set up a secure wireless network using WPS in the Section 5.2.1 on page 57. 6.4 General Wireless LAN Screen Use this screen to enable the Wireless LAN, enter the SSID and select the wireless security mode. 70 NBG-418N User's Guide
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    the wireless settings of your computer to match the NBG-418N's new settings. Click Network > Wireless LAN to open the General screen. Figure 49 Network > Wireless LAN > General (Router or Access Point Mode) Figure 50 Network > Wireless LAN > General (Universal Repeater Mode) NBG-418N User's Guide
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    only when the NBG-418N is in universal repeater mode. This shows the wireless and security settings of the selected AP wireless network. This displays the Service Set IDentity of the wireless device to which you are connecting. This displays the type of security configured on the wireless device to
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    this screen. Table 27 Network > Wireless LAN > General: No Security LABEL DESCRIPTION Security Mode Choose No Security from the drop-down list box. Apply Click Apply to save your changes back to the NBG-418N. Reset Click Reset to reload the previous configuration for this screen. 6.4.2 WEP
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    the NBG-418N. Click Reset to reload the previous configuration for this screen. 6.4.3 WPA-PSK/WPA2-PSK Click Network > Wireless LAN to display the General screen. Select WPA-PSK or WPA2-PSK from the Security Mode list. Figure 53 Network > Wireless LAN > General: WPA-PSK/WPA2-PSK 74 NBG-418N User
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    factory and consists of six pairs of hexadecimal characters, for example, 00:A0:C5:00:00:02. You need to know the MAC address of the devices to configure this screen. To change your NBG-418N's MAC filter settings, click Network > Wireless LAN > MAC Filter. The screen appears as shown. NBG-418N User
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    back to the NBG-418N. Click Reset to reload the previous configuration for this screen. 6.6 Wireless LAN Advanced Screen Use this screen to allow intra-BSS networking and set the RTS/CTS Threshold. Click Network > Wireless LAN > Advanced. The screen appears as shown. 76 NBG-418N User's Guide
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    value can cause clients to lose connectivity with the network. This value can be set from 1 to 10. A preamble affects the timing in your wireless network. There are two preamble modes: long and short. If a device uses a different preamble mode than the NBG-418N does, it cannot communicate with the
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    security settings for wireless connections between the NBG-418N and its wireless clients. Click Apply to save your changes to the NBG-418N. Click Reset to reload the previous configuration for this screen. 6.7 Quality of Service (QoS) Screen Use the QoS screen to enable Wifi MultiMedia Quality of
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    ToS value in the IP header of packets it sends. WMM QoS (Wifi MultiMedia Quality of Service) gives high priority to voice and video, which makes them run more smoothly. Apply Click Apply to save your changes to the NBG-418N. Reset Click Reset to reload the previous configuration for this screen
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    method to configure wireless station's wireless settings. See Section 5.2.1.2 on page 59. Type the same PIN number generated in the wireless station's utility. Then click Start to associate to each other and perform the wireless security information synchronization. 80 NBG-418N User's Guide
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    Wireless LAN will turn on between the two times you enter in these fields. Apply Reset Note: Entering the same begin time and end time will mean the whole day. Click Apply to save your changes back to the NBG-418N. Click Reset to reload the previous configuration for this screen. NBG-418N User
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    device. OPEN means no security is configured and you can connect to it without a password. Strength This displays the strength of the wireless signal. The signal strength mainly depends on the antenna output power and the distance between your NBG-418N and this device. 82 NBG-418N User's Guide
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    the labels in this screen. Table 37 Network > Wireless LAN > WLAN Info LABEL DESCRIPTION WLAN SSID This displays the Service Set IDentity of the selected wireless device. Security Mode This displays the type of security configured on the selected wireless device. NBG-418N User's Guide 83
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    Chapter 6 Wireless LAN 84 NBG-418N User's Guide
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    method used by your ISP (Internet Service Provider). If your ISP offers a dial-up Internet connection using PPPoE (PPP over Ethernet) or PPTP (Point-to-Point Tunneling Protocol), they should also provide a username and password (and service name) for user authentication. NBG-418N User's Guide 85
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    assigns the DNS server IP addresses (along with the NBG-418N's WAN IP address), set the DNS server fields to get the DNS server address from the ISP. WAN MAC Address The MAC address screen allows users to configure the WAN port's MAC address by either using the factory default or cloning the MAC
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    Auto if you want to have the Maximum Transmission Unit (MTU) automatically configured. Select Manual if you want to enter the MTU manually in the field below. MTU Enter the MTU or the largest packet size per frame that your NBG-418N can receive and process. DNS Servers NBG-418N User's Guide 87
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    's IP address in the fields to the right. WAN MAC Address The MAC address section allows users to configure the WAN port's MAC address by either using the NBG-418N's MAC address, copying the MAC address from a computer on your LAN or manually entering a MAC address. Factory default Select Factory
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    -418N can receive and process. Nailed-Up Connection Select Nailed-Up Connection if you do not want the connection to time out. Idle Timeout This value specifies the time in minutes that elapses before the router automatically disconnects from the PPPoE server. DNS Servers NBG-418N User's Guide
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    IP address in the fields to the right. WAN MAC Address The MAC address section allows users to configure the WAN port's MAC address by using the NBG-418N's MAC address, copying the MAC address from a computer on your LAN or manually entering a MAC address. Factory default Select Factory default
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    (VPN) using TCP/IP-based networks. PPTP supports on-demand, multiprotocol, and virtual private networking over public networks, such as the Internet. The NBG-418N supports only one PPTP server connection at any given time. User Name Password Retype to Confirm MTU Size To configure a PPTP client
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    IP address in the fields to the right. WAN MAC Address The MAC address section allows users to configure the WAN port's MAC address by either using the NBG-418N's MAC address, copying the MAC address from a computer on your LAN or manually entering a MAC address. Factory default Select Factory
  • ZyXEL NBG-418N | User Guide - Page 93
    configure a LAN DHCP server and manage IP addresses. 8.2 What You Need To Know The actual physical connection determines whether the NBG-418N ports are LAN or WAN ports. There are two separate IP networks, one inside the LAN network and the other outside the WAN network as shown next. NBG-418N User
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    These parameters should work for the majority of installations. If your ISP gives you explicit DNS server address(es), read the embedded Web Configurator help regarding what fields need to be configured. 8.2.1 IP Pool Setup The NBG-418N is pre-configured with a pool of 32 IP addresses starting from
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    the subnet mask based on the IP address that you assign. Unless you are implementing subnetting, use the subnet mask computed by the NBG-418N. Apply Click Apply to save your changes back to the NBG-418N. Reset Click Reset to begin configuring this screen afresh. NBG-418N User's Guide 95
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    Chapter 8 LAN 96 NBG-418N User's Guide
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    LAN as a DHCP server or disable it. When configured as a server, the NBG-418N provides the TCP/IP configuration for the clients. If DHCP service is disabled, you must have another DHCP server on your LAN, or else the computer must be manually configured. 9.2 What You Can Do • Use the General screen
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    instructs you to do otherwise. Clear it to disable the NBG-418N acting as a DHCP server. When configured as a server, the NBG-418N provides TCP/IP configuration for the clients. If not, DHCP service is disabled and you must have another DHCP server on your LAN, or else the computers must be manually
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    NBG-418N passes a DNS (Domain Name System) server IP address (in the order you specify here) to the DHCP clients. If you do not configure the DNS server, the DHCP service is disabled and you must have another DHCP sever on your LAN, or else the computers must have their DNS server addresses manually
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    418N always assign the IP address(es) to the MAC address(es) (and host name(s)). After you click Apply, the MAC address and IP address also display in the Advanced screen (where you can edit them). Click Apply to save your settings. Click Refresh to reload the DHCP table. 100 NBG-418N User's Guide
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    35 IP address assigned by ISP For more information on IP address translation, refer to RFC 1631, The IP Network Address Translator (NAT). Note: You must create a firewall rule in addition to setting up NAT, to allow traffic from the WAN to be forwarded through the NBG-418N. NBG-418N User's Guide
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    side. When the response comes back, NAT translates the destination address (the inside global address) back to the inside local address before forwarding it to the original inside host. Note that the IP address (either local or global) of an outside host is never changed. 102 NBG-418N User's Guide
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    forwards it to the Internet. The NBG-418N keeps track of the original addresses and port numbers so incoming reply packets can have their original values restored. The following figure illustrates this. Figure 73 How NAT Works 10.3 General NAT Screen Use this screen to enable NAT and set a default
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    do not assign a Default Server IP address in the NAT > General screen, the NBG-418N discards all packets received for ports that are not specified in this screen or remote management. Refer to Appendix E on page 209 for port numbers commonly used for particular services. 104 NBG-418N User's Guide
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    the first port and the last port, such as 10-20. Protocol To specify two or more non-consecutive port numbers, separate them by a comma without spaces, such as 123,567. Select the transport layer protocol supported by this server. Choices are TCP, UDP, or TCP&UDP. NBG-418N User's Guide 105
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    as a Web or FTP server) from your location. Your ISP may periodically check for servers and may suspend your account if it discovers any active services at your location. If you are unsure, refer to your ISP. 106 NBG-418N User's Guide
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    example) and assign a default server IP address of 192.168.1.35 to a third (C in the example). You assign the LAN IP addresses and the ISP assigns the WAN IP address. The NAT network appears as a single host on the Internet. Figure 76 Multiple Servers Behind NAT Example NBG-418N User's Guide 107
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    Chapter 10 Network Address Translation 108 NBG-418N User's Guide
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    (DDNS) services let you use a fixed domain name with a dynamic IP address. Users can always use the same domain name instead of a different dynamic IP address that changes each time to connect to the NBG-418N or a server in your network. Note: The NBG-418N must have a public global IP address and
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    the DDNS service. Password Type the password associated with the DDNS user name. Timeout This is the length of time in hours between updates to the DDNS service. If the update fails, the NBG-418N will disable DDNS. Enable Wildcard Option Select this if your DDNS service provider supports use
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    and 4). Figure 78 Default Firewall Action 12.2 What You Can Do • Use the General screento enable or disable the NBG-418N's firewall (Section 12.4 on page 112). • Use the Servicesscreen to enable or disable ICMP and VPN passthrough features (Section 12.5 on page 113). NBG-418N User's Guide 111
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    of VPN traffic to pass through: • IP security (IPSec) • Point-to-Point Tunneling Protocol (PPTP) 12.4 General Firewall Screen Use this screen to enable or disable the NBG-418N's firewall, and set up firewall logs. Click Security > Firewall to open the General screen. 112 NBG-418N User's Guide
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    the firewall. The NBG-418N performs access control and protects against Denial of Service (DoS) attacks when the firewall is activated. Apply Click Apply to save the settings. Reset Click Reset to start configuring this screen again. 12.5 Services Screen Use the Services screen to enable or
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    on your LAN to make L2TP VPN connections to servers on the Internet. • IPSEC Passthrough: Select this option to allow the NBG-418N to pass through VPN traffic using the IPsec protocol. Click Apply to save the settings. Click Reset to start configuring this screen again. 114 NBG-418N User's Guide
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    via: • LAN only • LAN and WAN Note: When you configure remote management to allow management from the LAN and WAN in the options above, you still need to configure a firewall rule to allow access. See the firewall chapters for details on configuring firewall rules. NBG-418N User's Guide 115
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    Remote Management and NAT When NAT is enabled: • Use the NBG-418N's WAN IP address when configuring from the WAN. • Use the NBG-418N's LAN IP address when configuring from the LAN. 13.1.3 System Timeout There is a default system management idle timeout of five minutes (three hundred seconds). The
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    just allow the computer with the IP address that you specify to access the NBG-418N using this service. Apply Reset Note: This only applies on WAN IP. Click Apply to save your customized settings and exit this screen. Click Reset to begin configuring this screen afresh. NBG-418N User's Guide 117
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    Chapter 13 Remote Management 118 NBG-418N User's Guide
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    information and configuration may also be obtained and modified by users in some network environments. When a UPnP device joins a network, it announces its presence with a multicast message. For security reasons, the NBG-418N allows multicast messages on the LAN only. NBG-418N User's Guide 119
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    that anyone could use a UPnP application to open the Web Configurator's login screen without entering the NBG-418N's IP address (although you must still enter the password to access the Web Configurator). Allow users to make port forwarding changes through UPnP Select this check box to allow UPnP
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    window, click Settings to see the port mappings there were automatically created. Figure 84 Internet Connection Properties 4 You may edit or delete the port mappings or click Add to manually add port mappings. Figure 85 Internet Connection Properties: Advanced Settings NBG-418N User's Guide 121
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    on the NBG-418N without finding out the IP address of the NBG-418N first. This comes helpful if you do not know the IP address of the NBG418N. Follow the steps below to access the Web Configurator. 1 Click Start and then Control Panel. 2 Double-click Network Connections. 122 NBG-418N User's Guide
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    Plug-and-Play (UPnP) 4 An icon with the description for each UPnP-enabled device displays under Local Network. 5 Right-click on the icon for your NBG-418N and select Invoke. The Web Configurator login screen displays. Figure 90 Network Connections: My Network Places NBG-418N User's Guide 123
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    Chapter 14 Universal Plug-and-Play (UPnP) 124 NBG-418N User's Guide
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    NBG-418N's time and date (Section 15.4 on page 126). 15.3 System General Screen Use this screen to enter a name to identify the NBG-418N in the network and set the password. Click Maintenance > System. The following screen displays. Figure 91 Maintenance > System > General NBG-418N User's Guide
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    Click Reset to begin configuring this screen afresh. 15.4 Time Setting Screen To change your NBG-418N's time and date, click Maintenance > System > Time Setting. The screen appears as shown. Use this screen to configure the NBG-418N's time based on your local time zone. 126 NBG-418N User's Guide
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    computer into the NBG-418N's time and date setup. 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. NBG-418N User's Guide 127
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    , you would type 2 because Germany's time zone is one hour ahead of GMT or UTC (GMT+1). Click Apply to save your changes back to the NBG-418N. Click Reset to begin configuring this screen afresh. 128 NBG-418N User's Guide
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    16.1 Overview This chapter contains information about configuring general log settings and viewing the NBG418N's logs. The Web Configurator allows you to look at all of the NBG-418N's logs in one location. 16.2 order. Click Maintenance > Logs to open the View Log screen. NBG-418N User's Guide 129
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    index number of the log entry. Time This field displays the time the log was recorded. See the chapter on system maintenance and information to configure the NBG-418N's time and date. Message This field states the reason for the log. 130 NBG-418N User's Guide
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    related to factory defaults, backup configuration, and restoring configuration (Section 17.4 on page 133). • Use the Restart screen to have the NBG-418N reboot (Section 17.5 on page 134). 17.3 Firmware Upload Screen Find firmware at www.zyxel.com in a file that (usually) uses the system model name
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    96 Network Temporarily Disconnected After two minutes, log in again and check your new firmware version in the Status screen. If the upload was not successful, the following screen will appear. Click Return to go back to the Firmware screen. Figure 97 Upload Error Message 132 NBG-418N User's Guide
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    you must decompress compressed (.ZIP) files before you can upload them. Upload Click Upload to begin the upload process. Note: Do not turn off the NBG-418N while configuration file upload is in progress. NBG-418N User's Guide 133
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    Error 17.4.3 Back to Factory Defaults Pressing the Reset button in this section clears all user-entered configuration information and returns the NBG-418N to its factory defaults. You can also press the RESET button on the rear panel to reset the factory defaults of your NBG418N. Refer to Section
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    Chapter 17 Tools Click Maintenance > Tools > Restart. Click Restart to have the NBG-418N reboot. This does not affect the NBG-418N's configuration. Figure 102 Maintenance > Tools > Restart NBG-418N User's Guide 135
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    Chapter 17 Tools 136 NBG-418N User's Guide
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    such as LAN DHCP, NAT, firewall and so on on the NBG-418N (N). The NBG-418N has separate LAN and WAN network IP addresses. Access Point Use this mode if you already have a Router (R) in your network and you want to bridge all wired and wireless network connections. NBG-418N User's Guide 137
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    . • The LAN IP address of the NBG-418N is set to 192.168.1.1. • You can configure the IP address settings on your WAN port. Contact your ISP or system administrator for more information on appropriate settings. If you select a non-router mode (Access Point, Client Bridge or Universal Repeater) the
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    19.1 Language Screen Use this screen to change the language for the Web Configurator display. Click the language you prefer. The Web Configurator language changes after a while without restarting the NBG-418N. Figure 106 Language Figure 107 Language Change Example NBG-418N User's Guide 139
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    Chapter 19 Language 140 NBG-418N User's Guide
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    20 Troubleshooting This chapter offers some suggestions to solve problems you might encounter. The potential problems are divided into the following categories. • Power, Hardware Connections, and LEDs • NBG-418N Access and Login • Internet Access • Resetting the NBG-418N to Its Factory Defaults
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    password is 1234. 2 If this does not work, you have to reset the device to its factory defaults. See Section 20.4 on page 144. I cannot see or access the Login screen in the Web Configurator. 1 Make sure you are using the correct IP address. • The default IP address is 192.168.1.1 (router mode
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    to its factory defaults, and try to access the NBG-418N with the default IP address. 6 If the problem continues, contact the network administrator or vendor, or try one of the advanced suggestions. Advanced Suggestions • If your computer is connected to the WAN port or is connected wirelessly, use
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    activating it. 20.4 Resetting the NBG-418N to Its Factory Defaults If you reset the NBG-418N, you lose all of the changes you have made. The NBG-418N re-loads its default settings, and the username/password resets to admin/1234. You have to make all of your changes again. 144 NBG-418N User's Guide
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    /reboot the NBG-418N. 3 Press the RESET button for longer than five seconds to set the NBG-418N back to its factory- default configurations. If the NBG-418N restarts automatically, wait for the NBG-418N to finish restarting, and log in to the Web Configurator. The username is admin and password is
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    router mode to a non-router mode, you must manually give your computer an IP address in the range between 192.168.1.3 and 192.168.1.254 as non-router mode has no LAN DHCP server. Refer to Appendix C on page 167 for instructions on how to change your computer's IP address. 146 NBG-418N User's Guide
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    the network has its own unique identifying number - the host ID. Routers use the network number to send packets to the correct network, while example IP address in which the first three octets (192.168.1) are the network number, and the fourth octet (16) is the host ID. NBG-418N User's Guide 147
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    is a "1" then the corresponding bit in the IP address is part of the network number. If a bit in the subnet mask is "0" then the corresponding bit in the IP address is part of the host ID. The following example of the mask are ones and the remaining 24 bits are zeroes. 148 NBG-418N User's Guide
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    bits. An IP address with host IDs of all zeros is the IP address of the network (192.168.1.0 with a 24-bit subnet mask, for example). An IP address with host IDs of all ones is the broadcast address for that network .255.192 /26 1100 0000 LAST OCTET (DECIMAL) 0 128 192 NBG-418N User's Guide 149
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    Appendix A IP Addresses and Subnetting Table 62 Alternative Subnet Mask Notation (continued) SUBNET MASK ALTERNATIVE LAST OCTET LAST OCTET NOTATION (BINARY /25. The following figure shows the company network after subnetting. There are now two subnetworks, A and B. 150 NBG-418N User's Guide
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    address. Therefore, the lowest IP address Address: 192.168.1.0 Broadcast Address: 192.168.1.63 NETWORK NUMBER 192.168.1. 11000000.10101000.00000001. 11111111.11111111.11111111. Lowest Host ID: 192.168.1.1 Highest Host ID: 192.168.1.62 LAST OCTET BIT VALUE 0 00000000 11000000 NBG-418N User's Guide
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    The following table shows IP address last octet values for each subnet. Table 67 Eight Subnets SUBNET SUBNET ADDRESS 1 0 2 32 3 64 4 96 5 128 6 160 FIRST ADDRESS 1 33 65 97 129 161 LAST ADDRESS 30 62 94 126 158 190 BROADCAST ADDRESS 31 63 95 127 159 191 152 NBG-418N User's Guide
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    Appendix A IP Addresses and Subnetting Table 67 Eight Subnets (continued) SUBNET SUBNET ADDRESS FIRST ADDRESS 7 192 193 8 224 225 LAST ADDRESS 222 254 BROADCAST ADDRESS 223 255 Subnet Planning The 32766 16382 8190 4094 2046 1022 510 254 126 62 30 14 6 2 1 NBG-418N User's Guide 153
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    also be unreachable through the network. Conflicting Computer IP Addresses Example More than one device can not use the same IP address. In the following example computer A has a static (or fixed) IP address that is the same as the IP address that a DHCP server assigns to 154 NBG-418N User's Guide
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    the same IP address. In the following example, the computer and the router's LAN port both use 192.168.1.1 as the IP address. The computer cannot access the Internet. This problem can be solved by assigning a different IP address to the computer or the router's LAN port. NBG-418N User's Guide 155
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    Appendix A IP Addresses and Subnetting Figure 113 Conflicting Computer and Router IP Addresses Example 156 NBG-418N User's Guide
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    configurator you need to allow: • Web browser pop-up windows from your device. • JavaScripts (enabled by default). • Java permissions (enabled by default default in Windows XP SP (Service Pack) 2) or allow pop-up blocking and create an exception for your device's IP address. NBG-418N User's Guide 157
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    following steps. 1 In Internet Explorer, select Tools, Internet Options and then the Privacy tab. 2 Select Settings...to open the Pop-up Blocker Settings screen. 158 NBG-418N User's Guide
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    Options: Privacy 3 Type the IP address of your device (the web page that you do not want to have blocked) with the prefix "http://". For example, http://192.168.167.1. 4 Click Add to move the IP address to the list of Allowed sites. Figure 117 Pop-up Blocker Settings NBG-418N User's Guide 159
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    Apply to save this setting. JavaScripts If pages of the web configurator do not display properly in Internet Explorer, check that JavaScripts are default). 5 Under Scripting of Java applets make sure that Enable is selected (the default). 6 Click OK to close the window. 160 NBG-418N User's Guide
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    the Custom Level... button. 3 Scroll down to Microsoft VM. 4 Under Java permissions make sure that a safety level is selected. 5 Click OK to close the window. NBG-418N User's Guide 161
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    Advanced tab. 2 Make sure that Use Java 2 for under Java (Sun) is selected. 3 Click OK to close the window. Figure 121 Java (Sun) 162 NBG-418N User's Guide
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    : TOOLS > Options Click Content to show the screen below. Select the check boxes as shown in the following screen. Figure 123 Mozilla Firefox Content Security NBG-418N User's Guide 163
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    , click Tools, then Preferences. In the Advanced tab, select Content from the leftside menu. Select the check boxes as shown in the following screen. 164 NBG-418N User's Guide
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    Figure 125 Opera: Enabling Java Appendix B Pop-up Windows, JavaScripts and Java Permissions To customize JavaScript behavior in the Opera browser, click JavaScript Options. Figure 126 Opera: JavaScript Options Select the items you want Opera's JavaScript to apply. NBG-418N User's Guide 165
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    Appendix B Pop-up Windows, JavaScripts and Java Permissions 166 NBG-418N User's Guide
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    Up Your Computer's IP Address Note: Your specific NBG-418N may not support all of the operating systems described in this appendix. See the product specifications for more information about which operating systems are supported. This appendix shows you how to configure the IP settings on your
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    Appendix C Setting Up Your Computer's IP Address 2 In the Control Panel, click the Network Connections icon. 3 Right-click Local Area Connection and then select Properties. 4 On the General tab, select Internet Protocol (TCP/IP) and then click Properties. 168 NBG-418N User's Guide
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    Appendix C Setting Up Your Computer's IP Address 5 The Internet Protocol TCP/IP Properties window opens. NBG-418N User's Guide 169
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    . 2 In the Command Prompt window, type "ipconfig" and then press [ENTER]. You can also go to Start > Control Panel > Network Connections, right-click a network connection, click Status and then click the Support tab to view your IP address and connection information. 170 NBG-418N User's Guide
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    Computer's IP Address Windows Vista This section shows screens from Windows Vista Professional. 1 Click Start > Control Panel. 2 In the Control Panel, click the Network and Internet icon. 3 Click the Network and Sharing Center icon. 4 Click Manage network connections. NBG-418N User's Guide 171
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    IP Address 5 Right-click Local Area Connection and then select Properties. Note: During this procedure, click Continue whenever Windows displays a screen saying that it needs your permission to continue. 6 Select Internet Protocol Version 4 (TCP/IPv4) and then select Properties. 172 NBG-418N User
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    Appendix C Setting Up Your Computer's IP Address 7 The Internet Protocol Version 4 (TCP/IPv4) Properties window opens. NBG-418N User's Guide 173
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    . 2 In the Command Prompt window, type "ipconfig" and then press [ENTER]. You can also go to Start > Control Panel > Network Connections, right-click a network connection, click Status and then click the Support tab to view your IP address and connection information. 174 NBG-418N User's Guide
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    Panel. 2 In the Control Panel, click View network status and tasks under the Network and Internet category. 3 Click Change adapter settings. 4 Double click Local Area Connection and then select Properties. NBG-418N User's Guide 175
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    Appendix C Setting Up Your Computer's IP Address Note: During this procedure, click Continue whenever Windows displays a screen saying that it needs your permission to continue. 5 Select Internet Protocol Version 4 (TCP/IPv4) and then select Properties. 176 NBG-418N User's Guide
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    Appendix C Setting Up Your Computer's IP Address 6 The Internet Protocol Version 4 (TCP/IPv4) Properties window opens. NBG-418N User's Guide 177
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    window. 9 Click OK to close the Local Area Connection Properties window. Verifying Settings 1 Click Start > All Programs > Accessories > Command Prompt. 2 In the Command Prompt window, type "ipconfig" and then press [ENTER]. 3 The IP settings are displayed as follows. 178 NBG-418N User's Guide
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    Appendix C Setting Up Your Computer's IP Address Mac OS X: 10.3 and 10.4 The screens in this section are from Mac OS X 10.4 but can also apply to 10.3. 1 Click Apple > System Preferences. 2 In the System Preferences window, click the Network icon. NBG-418N User's Guide 179
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    Up Your Computer's IP Address 3 When the Network preferences pane opens, select Built-in Ethernet from the network connection type list, and then click Configure. 4 For dynamically assigned settings, select Using DHCP from the Configure IPv4 list in the TCP/IP tab. 180 NBG-418N User's Guide
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    the Router field, type the IP address of your device. 6 Click Apply Now and close the window. Verifying Settings Check your TCP/IP properties by clicking Applications > Utilities > Network Utilities, and then selecting the appropriate Network Interface from the Info tab. NBG-418N User's Guide 181
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    C Setting Up Your Computer's IP Address Figure 127 Mac OS X 10.4: Network Utility Mac OS X: 10.5 and 10.6 The screens in this section are from Mac OS X 10.5 but can also apply to 10.6. 1 Click Apple > System Preferences. 2 In System Preferences, click the Network icon. 182 NBG-418N User's Guide
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    Network preferences pane opens, select Ethernet from the list of available connection types. 4 From the Configure list, select Using DHCP for dynamically assigned settings. 5 For statically assigned settings, do the following: • From the Configure list, select Manually. NBG-418N User's Guide 183
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    the Router field, enter the IP address of your NBG-418N. 6 Click Apply and close the window. Verifying Settings Check your TCP/IP properties by clicking Applications > Utilities > Network Utilities, and then selecting the appropriate Network interface from the Info tab. 184 NBG-418N User's Guide
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    IP Address Linux: Ubuntu 8 (GNOME) This section shows you how to configure your computer's TCP/IP settings in the GNU Object Model default, the Unlock button is greyed out until clicked.) You cannot make changes to your configuration unless you first enter your admin password. NBG-418N User's Guide
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    Appendix C Setting Up Your Computer's IP Address 3 In the Authenticate window, enter your admin account name and password then click the Authenticate button. 4 In the Network Settings window, select the connection that you want to configure, then click Properties. 186 NBG-418N User's Guide
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    . 6 Click OK to save the changes and close the Properties dialog box and return to the Network Settings screen. 7 If you know your DNS server IP address(es), click the DNS tab in the Network Settings window and then enter the DNS server information in the fields provided. NBG-418N User's Guide 187
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    the changes. Verifying Settings Check your TCP/IP properties by clicking System > Administration > Network Tools, and then selecting the appropriate Network device from the Devices tab. The Interface Statistics column shows data if your connection is working properly. 188 NBG-418N User's Guide
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    configuration. The following screens use the default openSUSE 10.3 installation. Note: Make sure you are logged in as the root administrator. Follow the steps below to configure your computer IP address in the KDE: 1 Click K Menu > Computer > Administrator Settings (YaST). NBG-418N User's Guide
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    Appendix C Setting Up Your Computer's IP Address 2 When the Run as Root - KDE su dialog opens, enter the admin password and click OK. 3 When the YaST Control Center window opens, select Network Devices and then click the Network Card icon. 190 NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 191
    Appendix C Setting Up Your Computer's IP Address 4 When the Network Settings window opens, click the Overview tab, select the appropriate connection Name from the list, and then click the Configure button. 5 When the Network Card Setup window opens, click the Address tab NBG-418N User's Guide 191
  • ZyXEL NBG-418N | User Guide - Page 192
    , Subnet mask, and Hostname fields. 7 Click Next to save the changes and close the Network Card Setup window. 8 If you know your DNS server IP address(es), click the Hostname/DNS tab in Network Settings and then enter the DNS server information in the fields provided. 192 NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 193
    to check your TCP/IP properties. From the Options sub-menu, select Show Connection Information. Figure 131 openSUSE 10.3: KNetwork Manager When the Connection Status - KNetwork Manager window opens, click the Statistics tab to see if your connection is working properly. NBG-418N User's Guide 193
  • ZyXEL NBG-418N | User Guide - Page 194
    Appendix C Setting Up Your Computer's IP Address Figure 132 openSUSE: Connection Status - KNetwork Manager 194 NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 195
    between wireless clients in the BSS. When Intra-BSS is enabled, wireless client A and B can access the wired network and communicate with each other. When Intra-BSS is disabled, wireless client A and B can still access the wired network but cannot communicate with each other. NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 196
    wired network but also mediate wireless network traffic in the immediate neighborhood. An ESSID (ESS IDentification) uniquely identifies each ESS. All access points and their associated wireless clients within the same ESS must have the same ESSID in order to communicate. 196 NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 197
    . Both stations (STA) are within range of the access point (AP) or wireless gateway, but out-of-range of each other, so they cannot "hear" each other, that is they do not know if the channel is currently being used. Therefore, they are considered hidden from each other. NBG-418N User's Guide 197
  • ZyXEL NBG-418N | User Guide - Page 198
    RTS (Request To Send)/CTS (Clear to Send) handshake. You should only configure RTS/CTS if the possibility of hidden nodes exists on your network and 256 and 2432 bytes) that can be sent in the wireless network before the AP will fragment the packet into smaller data 198 NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 199
    wireless communication between wireless clients, access points and the wired network. Wireless security methods available on the NBG-418N are data encryption, wireless client authentication, restricting access by device MAC address and hiding the NBG-418N identity. NBG-418N User's Guide 199
  • ZyXEL NBG-418N | User Guide - Page 200
    server handles the following tasks: • Authentication Determines the identity of the users. • Authorization Determines the network services available to authenticated users once they are connected to the network. • Accounting Keeps track of the client's network activity. 200 NBG-418N User's Guide
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    must first have a wired connection to the network and obtain the certificate(s) from a certificate authority (CA). A certificate (also called digital IDs) can be used to authenticate users and a CA issues certificates and guarantees the identity of each certificate owner. NBG-418N User's Guide 201
  • ZyXEL NBG-418N | User Guide - Page 202
    802.1x. Dynamic WEP Key Exchange The AP maps a unique key that is generated with the RADIUS server. This key expires when the wireless connection times out, disconnects or reauthentication times out. A new WEP key is generated each time reauthentication is performed. 202 NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 203
    mode with Cipher block chaining Message authentication code Protocol (CCMP). TKIP uses 128-bit keys that are dynamically generated and distributed by the authentication server. AES (Advanced Encryption Standard) is a block cipher that uses a 256-bit mathematical algorithm NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 204
    most widely available supplicant is the WPA patch for Windows XP, Funk Software's Odyssey client. The Windows XP patch is a free download that adds WPA capability to Windows XP's built-in "Zero Configuration" wireless client. However, you must run Windows XP to use it. 204 NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 205
    The AP checks each wireless client's password and allows it to join the network only if the password matches. 3 The AP and wireless clients generate a common PMK (Pairwise Master Key). The key itself is not sent over the network, but is derived from the PSK and the SSID. NBG-418N User's Guide 205
  • ZyXEL NBG-418N | User Guide - Page 206
    Enable Disable Antenna Overview An antenna couples RF signals onto air. A transmitter within a wireless device sends an RF signal to the antenna, which propagates the signal through the air. The antenna also operates in reverse by capturing RF signals from the air. 206 NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 207
    that the antenna provides. Types of Antennas for WLAN There are two types of antennas used for wireless LAN applications. • Omni-directional antennas send the RF signal out in all directions on a horizontal antennas as close to the center of the coverage area as possible. NBG-418N User's Guide 207
  • ZyXEL NBG-418N | User Guide - Page 208
    Appendix D Wireless LANs For directional antennas, point the antenna in the direction of the desired coverage area. 208 NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 209
    DNS TCP/UDP 53 Domain Name Server, a service that matches web names (for example www.zyxel.com) to IP numbers. ESP User-Defined 50 (IPSEC_TUNNEL) The IPSEC ESP (Encapsulation 80 Hyper Text Transfer Protocol - a client/server protocol for the world wide web. NBG-418N User's Guide 209
  • ZyXEL NBG-418N | User Guide - Page 210
    service. Packet INternet Groper is a protocol that sends out ICMP echo requests to test whether or not a remote host is reachable. Post Office Protocol version 3 lets a client computer get e-mail from a POP3 server through a temporary connection (TCP/IP SNMP (RFC:1215). 210 NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 211
    function is to allow users to log into remote host systems. Trivial File Transfer Protocol is an Internet file transfer protocol similar to FTP, but uses the UDP (User Datagram Protocol) rather than TCP (Transmission Control Protocol). Another videoconferencing solution. NBG-418N User's Guide 211
  • ZyXEL NBG-418N | User Guide - Page 212
    Appendix E Common Services 212 NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 213
    manual, or otherwise, without the prior written permission of ZyXEL Communications Corporation. Published by ZyXEL Communications Corporation. All rights reserved. Disclaimer ZyXEL installation WiFi en extérieur pour les fréquences comprises entre 2454 MHz et 2483,5 MHz. NBG-418N User's Guide 213
  • ZyXEL NBG-418N | User Guide - Page 214
    uitrusting in overeenstemming is met de essentiële eisen en de andere relevante bepalingen van richtlijn 1999/5/EC. Hawnhekk, ZyXEL, jiddikjara li dan tagħmir jikkonforma mal-ħtiġijiet essenzjali u ma provvedimenti oħrajn relevanti li hemm fid-Dirrettiva 1999/5/EC. 214 NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 215
    övriga relevanta bestämmelser som framgår av direktiv 1999/5/EC ZyXEL 1999/5/ЕC. Hér með lýsir, ZyXEL því yfir að þessi búnaður er í samræmi Belgian Institute for Postal Services and Telecommunications (BIPT) must be notified of any outdoor wireless link having a range . NBG-418N User's Guide 215
  • ZyXEL NBG-418N | User Guide - Page 216
    Unless this wireless LAN ports. • Place connecting cables carefully so that no one will step on them or stumble over them. • Always disconnect all cables from this device before servicing or disassembling. • Use ONLY an appropriate power adaptor or cord for your device. 216 NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 217
    vendor to order a new one. • Do not use the device outside, and make sure all the connections are indoors. There is a remote risk of electric shock from lightning. • Do NOT obstruct the device waste. Used electrical and electronic equipment should be treated separately. NBG-418N User's Guide 217
  • ZyXEL NBG-418N | User Guide - Page 218
    Appendix F Legal Information 218 NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 219
    69, 197 interference 197 client bridge 13 Configuration backup 133 NBG-418N User's Guide Index Index reset the factory defaults 134 restore 133 copyright 213 CPU usage 39, 46, 50, 54 CTS (Clear to Send) 198 D Daylight saving 128 DDNS service providers 109 device mode 13, 35 DHCP 40, 97 DHCP server
  • ZyXEL NBG-418N | User Guide - Page 220
    196 ESSID 145 Extended Service Set, See ESS 196 Extended wireless security 24 F Factory LAN defaults 94, 97 FCC interference statement 213 Firewall ICMP packets 113 ZyXEL device firewall 112 firewall stateful inspection 111 Firmware upload 131 file extension using HTTP firmware version 39, 46, 49
  • ZyXEL NBG-418N | User Guide - Page 221
    -to-Point Tunneling Protocol 27, 90 Pool Size 98 Port forwarding 104, 106 default server 104, 106 example 107 local server 104 port numbers NBG-418N User's Guide Index services port speed 40, 46, 50, 54 PPPoE 26, 88 benefits 26 dial-up connection see also Point-to-Point Protocol over Ethernet 26
  • ZyXEL NBG-418N | User Guide - Page 222
    70 example 67 MAC address filter 69 overview 67 security 69 SSID 69 Wireless security 69 overview 69 type 69 wireless security 145, 199 Wireless tutorial 57 WPS 57 Wizard setup 21 complete 32 Internet connection 25 system information 22 wireless LAN 23 WLAN interference 197 NBG-418N User's Guide
  • ZyXEL NBG-418N | User Guide - Page 223
    205 WPA compatible 70 WPA2 203 user authentication 204 vs WPA2-PSK 204 wireless client supplicant 204 with RADIUS application example 205 WPA2-Pre-Shared Key 203 WPA2-PSK 203, 204 application example 205 WPA-PSK 203, 204 application example 205 WPS 15 WPS button 15 Index NBG-418N User's Guide 223
  • ZyXEL NBG-418N | User Guide - Page 224
    Index 224 NBG-418N User's Guide
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www.zyxel.com
www.zyxel.com
NBG-418N
Wireless N Home Router
Copyright © 2012
ZyXEL Communications Corporation
Version 1.00
Edition 1, 4/2012
Default Login Details
LAN IP
Address
User Name
admin
Password
1234