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User

’

s Guide

201

C

H A P T E R

2 4

Troubleshooting

24.1  Overview

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

•

NBG4115 Access and Login

•

Internet Access

•

Resetting the NBG4115 to Its Factory Defaults

•

Wireless Router/AP Troubleshooting

24.2  Power, Hardware Connections, and LEDs

The NBG4115 does not turn on. None of the LEDs turn on.

1

Make sure you are using the power adaptor or cord included with the NBG4115.

2

Make sure the power adaptor or cord is connected to the NBG4115 and plugged in 
to an appropriate power source. Make sure the power source is turned on.

3

Disconnect and re-connect the power adaptor or cord to the NBG4115.

4

If the problem continues, contact the vendor.

One of the LEDs does not behave as expected.

1

Make sure you understand the normal behavior of the LED. See 

Section 1.5 on 

page 22

.

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Содержание NBG-417N

Страница 1: ...om NBG4115 Wireless N lite 3G Router Copyright 2009 ZyXEL Communications Corporation Firmware Version 1 0 Edition 2 7 2009 Default Login Details IP Address http 192 168 1 1 Password 1234 C o m p a n y...

Страница 2: ...ENTER to jump directly to that page Type CTRL F to open the Adobe Reader search utility and enter a word or phrase This can help you quickly pinpoint the information you require You can also enter te...

Страница 3: ...updates and documentation from this link Read the Tech Doc Overview to find out how to efficiently use the User Guide Quick Start Guide and Command Line Interface Reference Guide in order to better u...

Страница 4: ...cannot contact your vendor then contact a ZyXEL office for the region in which you bought the device See http www zyxel com web contact_us php for contact information Please have the following inform...

Страница 5: ...quare brackets and uppercase text for example ENTER means the enter or return key on your keyboard Enter means for you to type one or more characters and then press the ENTER key Select or choose mean...

Страница 6: ...es Figures in this User s Guide may use the following generic icons The NBG4115 icon is not an exact representation of your device NBG4115 Computer Notebook computer Server DSLAM Firewall Telephone Sw...

Страница 7: ...America or 230V AC in Europe Do NOT allow anything to rest on the power adaptor or cord and do NOT place the product where anyone can walk on the power adaptor or cord Do NOT use the device if the pow...

Страница 8: ...Wireless LAN 81 WAN 101 LAN 115 DHCP Server 119 NAT 125 DDNS 135 Security 139 Firewall 141 Content Filtering 147 Management 151 Static Route 153 Bandwidth Management 157 Remote Management 165 UPnP 16...

Страница 9: ...Contents Overview User s Guide 10 C o m p a n y C o n f i d e n t i a l...

Страница 10: ...g the NBG4115 22 1 5 LEDs 22 Chapter 2 The WPS Button 25 2 1 Overview 25 Chapter 3 The Web Configurator 27 3 1 Overview 27 3 2 Accessing the Web Configurator 27 3 3 Resetting the NBG4115 29 3 3 1 Proc...

Страница 11: ...51 4 5 10 WAN MAC Address 52 4 6 Connection Wizard Complete 53 Chapter 5 AP Mode 55 5 1 Overview 55 5 2 Setting your NBG4115 to AP Mode 55 5 3 The Status Screen in AP Mode 56 5 3 1 Navigation Panel 58...

Страница 12: ...Advanced 92 7 5 QoS 94 7 5 1 Application Priority Configuration 95 7 6 WPS 97 7 7 WPS Station 98 7 8 Scheduling 99 Chapter 8 WAN 101 8 1 Overview 101 8 2 What You Can Do in this Chapter 101 8 2 1 Wha...

Страница 13: ...ort Forwarding Services and Port Numbers 132 11 5 2 NAT Port Forwarding Example 132 11 5 3 Trigger Port Forwarding 133 11 5 4 Trigger Port Forwarding Example 134 11 5 5 Two Points To Remember About Tr...

Страница 14: ...157 16 1 Overview 157 16 1 1 What You Can Do in this Chapter 157 16 1 2 What You Need To Know 157 16 2 General 158 16 3 Advanced 159 16 3 1 Pre Configured Gaming Ports 162 16 3 2 Priority Levels 162...

Страница 15: ...What You Can Do in this Chapter 187 20 2 View Log 187 Chapter 21 Tools 189 21 1 Overview 189 21 1 1 What You Can Do in this Chapter 189 21 2 Firmware 190 21 3 Configuration 192 21 3 1 Backup Configura...

Страница 16: ...Part VI Appendices and Index 209 Appendix A Product Specifications 211 Appendix B Pop up Windows JavaScripts and Java Permissions 215 Appendix C IP Addresses and Subnetting 223 Appendix D Setting up...

Страница 17: ...Table of Contents User s Guide 18 C o m p a n y C o n f i d e n t i a l...

Страница 18: ...19 PART I Introduction Introduction 21 The WPS Button 25 The Web Configurator 27 Connection Wizard 39 AP Mode 55 Tutorials 63 C o m p a n y C o n f i d e n t i a l...

Страница 19: ...20 C o m p a n y C o n f i d e n t i a l...

Страница 20: ...Your can create the following networks using the NBG4115 Wired You can connect network devices via the Ethernet ports of the NBG4115 so that they can communicate with each other and access the Interne...

Страница 21: ...e NBG4115 more effectively Change the password Use a password that s not easy to guess and that consists of different types of characters such as numbers and letters Write down the password and put it...

Страница 22: ...r has failed LAN 1 2 Green On The NBG4115 has a successful 10 100MB Ethernet connection Blinking The NBG4115 is sending receiving data through the LAN Off The LAN is not connected 3G Green On The NBG4...

Страница 23: ...Chapter 1 Introduction User s Guide 24 C o m p a n y C o n f i d e n t i a l...

Страница 24: ...s Both devices must support WPS check each device s documentation to make sure Depending on the devices you have you can either press a button on the device itself or in its configuration utility or e...

Страница 25: ...Chapter 2 The WPS Button User s Guide 26 C o m p a n y C o n f i d e n t i a l...

Страница 26: ...or you need to allow Web browser pop up windows from your device Web pop up blocking is enabled by default in Windows XP SP Service Pack 2 JavaScripts enabled by default Java permissions enabled by de...

Страница 27: ...confirm and click Apply or click Ignore Figure 3 Change Password Screen Note The management session automatically times out when the time period set in the Administrator Inactivity Timer field expire...

Страница 28: ...uration file This means that you will lose all configurations that you had previously saved the password will be reset to 1234 and the IP address will be reset to 192 168 1 1 3 3 1 Procedure to Use th...

Страница 29: ...he Status screen Table 2 Status Screen Icon Key ICON DESCRIPTION Click this icon to open the setup wizard Click this icon to view copyright and a link for related product information Click this icon a...

Страница 30: ...This shows the wireless adapter MAC Address of your device Status This shows the current status of the Wireless LAN On Off or Off by scheduler Name SSID This shows a descriptive name used to identify...

Страница 31: ...ing or N A when the line is disconnected For the WAN port it displays the port speed and duplex setting if you re using Ethernet encapsulation and Idle line ppp idle Dial starting to trigger a call an...

Страница 32: ...to configure LAN IP address and subnet mask DHCP Server General Use this screen to enable the NBG4115 s DHCP server Advanced Use this screen to assign IP addresses to specific individual computers bas...

Страница 33: ...w your NBG4115 manages incoming and outgoing data Remote MGMT WWW Use this screen to configure through which interface s and from which IP address es users can use HTTP to manage the NBG4115 UPnP Gene...

Страница 34: ...is used for refreshing the screen Figure 7 Summary Packet Statistics Table 5 Summary DHCP Table LABEL DESCRIPTION This is the index number of the host computer IP Address This field displays the IP ad...

Страница 35: ...duplex setting if you re using Ethernet encapsulation and Idle line ppp idle Dial starting to trigger a call and Drop dropping a call if you re using PPPoE or PPTP encapsulation This field displays Do...

Страница 36: ...EL DESCRIPTION This is the index number of an associated wireless station MAC Address This field displays the MAC address of an associated wireless station Association Time This field displays the tim...

Страница 37: ...Chapter 3 The Web Configurator User s Guide 38 C o m p a n y C o n f i d e n t i a l...

Страница 38: ...r to your ISP Internet Service Provider checklist in the Quick Start Guide to know what to enter in each field Leave a field blank if you don t have that information 1 After you access the NBG4115 Web...

Страница 39: ...4 3 1 System Name System Name is for identification purposes However because some ISPs check this name you should enter your computer s Computer Name In Windows 2000 click Start Settings Control Pane...

Страница 40: ...screen Table 8 Wizard Step 1 System Information LABEL DESCRIPTION System Name System Name is a unique name to identify the NBG4115 in an Ethernet network Enter a descriptive name This name can be up t...

Страница 41: ...connecting other wireless devices to your network Click OK to continue Choose None to have no wireless LAN security configured If you do not enable any wireless security on your NBG4115 your network...

Страница 42: ...you are using If the wizard does not detect a connection type you must select one from the drop down list box If you have an always on connection most likely you should use Ethernet If your connectio...

Страница 43: ...e Ethernet when the WAN port is used as a regular Ethernet Continue to Section 4 5 5 on page 49 Figure 16 Wizard Step 3 Ethernet Connection Table 11 Wizard Step 3 ISP Parameters CONNECTION TYPE DESCRI...

Страница 44: ...ally 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...

Страница 45: ...e NBG4115 supports one PPTP server connection at any given time Figure 18 Wizard Step 3 PPTP Connection The following table describes the fields in this screen Next Click Next to continue Exit Click E...

Страница 46: ...n the requirements of your ISP 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...

Страница 47: ...ble describes the fields in this screen Table 14 Wizard Step 3 Mobile 3G Connection LABEL DESCRIPTION ISP Parameters for Internet Access Connection Type Select Mobile 3G from the drop down list box PI...

Страница 48: ...from an ISP or have it assigned by a private network If you belong to a small organization and your Internet access is through an ISP the ISP can provide you with the Internet addresses for your Table...

Страница 49: ...reserved this block of addresses specifically for private use please do not use any other number unless you are told otherwise Let s say you select 192 168 1 0 as the network number which covers 254...

Страница 50: ...3 WAN IP and DNS Server Addresses The following table describes the labels in this screen Table 17 Wizard Step 3 WAN IP and DNS Server Addresses LABEL DESCRIPTION WAN IP Address Assignment My WAN IP...

Страница 51: ...our LAN even if your ISP does not presently require MAC address authentication Figure 22 Wizard Step 3 WAN MAC Address First DNS Server Second DNS Server Enter the DNS server s IP address in the field...

Страница 52: ...ctory Default to use the factory assigned default MAC address Clone the computer s MAC address Select this option and enter the IP address of the computer on the LAN whose MAC you are cloning It is ad...

Страница 53: ...Chapter 4 Connection Wizard User s Guide 54 C o m p a n y C o n f i d e n t i a l...

Страница 54: ...ess network in AP mode Use your NBG4115 as an AP if you already have a router or gateway on your network In this mode your device bridges a wired network LAN and wireless LAN WLAN in the same subnet S...

Страница 55: ...mation on this mode Click OK in the pop up message window See Section 22 2 on page 196 for more information on the pop up Click Apply Your NBG4115 is now in AP Mode Note You have to log in to the Web...

Страница 56: ...s LAN Security Mode This shows the level of wireless security the NBG4115 is using 802 11 Mode This shows the IEEE 802 11 standard that the NBG4115 supports Wireless clients must support the same stan...

Страница 57: ...the maximum transmission rate when the WLAN is enabled and N A when the WLAN is disabled Summary Packet Statistics Use this screen to view port status and packet specific statistics WLAN Station Stat...

Страница 58: ...es the Wireless LAN is enabled LAN IP Use this screen to configure LAN IP address and subnet mask or to get the LAN IP address from a DHCP server Maintenance System General Use this screen to view and...

Страница 59: ...DESCRIPTION Get from DHCP Server Select this to let the DHCP server in the gateway assign the NBG4115 IP address User Defined LAN IP Select this to give the NBG4115 a static IP address IP Address Typ...

Страница 60: ...mputer in Windows 4 Type cmd in the dialog box 5 Type ipconfig to show your computer s IP address If your computer s IP address is not in the correct range then see Appendix D on page 233 for informat...

Страница 61: ...Chapter 5 AP Mode User s Guide 62 C o m p a n y C o n f i d e n t i a l...

Страница 62: ...gurator s Network options This is handy because it gives you access to other options not available in the Wizard allowing you to have more control over your device This tutorial shows you how to do th...

Страница 63: ...presented with the option to choose either Wizard or Advanced click Go to Advanced setup 3 Expand the Network submenu on the navigation pane then click WAN User Name This is your account user name dc...

Страница 64: ...ame are assigned a lower priority by the NBG4115 then they may take longer to reach their destination but if they are given a higher priority then they should arrive at their destination marginally fa...

Страница 65: ...hest priority in order to ensure your game data packets are plucked first from the pool of incoming information and sent on ahead of lower priority packets This tutorial shows you how to set up your N...

Страница 66: ...nt Bandwidth MGMT Advanced screen Note If you need to customize specific ports go to the next step Otherwise skip ahead to step 5 Table 23 Preconfigured Gaming Ports APPLICATION TCP PORTS UDP PORTS XB...

Страница 67: ...wireless network using WPS This example uses the NBG4115 as the AP and NWD210N as the wireless client which connects to a notebook Note The wireless client must be a WPS aware device for example a WPS...

Страница 68: ...he other Note It doesn t matter which button is pressed first You must press the second button within two minutes of pressing the first one The NBG4115 sends the proper configuration settings to the w...

Страница 69: ...button next to the PIN field on both the wireless client utility screen and the NBG4115 s WPS Station screen within two minutes The NBG4115 authenticates the wireless client and sends the proper conf...

Страница 70: ...are logged into the Web Configurator through your LAN connection see Section 3 2 on page 27 1 Open the Wireless LAN General screen in the AP s Web Configurator 2 Make sure the Enable Wireless LAN chec...

Страница 71: ...EE 802 11b IEEE 802 11g and IEEE 802 11n wireless clients Make sure that your notebook or computer s wireless adapter supports one of these standards 2 Wireless adapters come with software sometimes c...

Страница 72: ...ing a Wireless Client to a Wireless Network t 5 Select WPA PSK and type the security key in the following screen Click Next Figure 34 Security Settings 6 The Confirm Save window appears Check your set...

Страница 73: ...ou how to configure the bandwidth management feature on the NBG4115 to limit the bandwidth for specific kinds of outgoing traffic ZyXEL s bandwidth management feature allows you to specify bandwidth m...

Страница 74: ...Note You can also leave the Enable field blank for the rest of the applications In doing so the NBG4115 does not apply bandwidth management to these services 6 6 2 Custom Bandwidth Management Aside fr...

Страница 75: ...site You also use this room for video conferences radio broadcasts live video streaming and so on throughout the day While these media heavy activities are going on you still want to keep uploading th...

Страница 76: ...e VoIP service The NBG4115 allocates at least 30 megabytes for the VoIP service Refer to Appedix F on page 263 for a list of common services that you can add in the Bandwidth Mgnt screen Table 24 FIEL...

Страница 77: ...Chapter 6 Tutorials User s Guide 78 C o m p a n y C o n f i d e n t i a l...

Страница 78: ...79 PART II Network Wireless LAN 81 WAN 101 LAN 115 DHCP Server 119 NAT 125 DDNS 135 C o m p a n y C o n f i d e n t i a l...

Страница 79: ...80 C o m p a n y C o n f i d e n t i a l...

Страница 80: ...ks The following figure provides an example of a wireless network Figure 41 Example of a Wireless Network The wireless network is the part in the blue circle In this wireless network devices A and B a...

Страница 81: ...7 1 2 What You Should Know Every wireless network must follow these basic guidelines Every wireless client in the same wireless network must use the same SSID The SSID is the name of the wireless netw...

Страница 82: ...ddress of an authorized wireless client Then they can use that MAC address to use the wireless network User Authentication You can make every user log in to the wireless network before they can use it...

Страница 83: ...s two wireless clients Device A only supports WEP and device B supports WEP and WPA Therefore you should set up Static WEP in the wireless network Note It is recommended that wireless networks use WPA...

Страница 84: ...ration utility or enter a PIN Personal Identification Number in the devices Then they connect and set up a secure network by themselves See how to set up a secure wireless network using WPS in the Sec...

Страница 85: ...lect this check box for the NBG4115 to automatically choose the channel with the least interference Deselect this check box if you wish to manually select the channel using the Channel Section field O...

Страница 86: ...scrambles the data transmitted between the wireless stations and the access points to keep network communications private It encrypts unicast and multicast communications in a network Both the wireles...

Страница 87: ...tion Authenticatio n Method This field is activated when you select 64 bit WEP or 128 bit WEP in the WEP Encryption field Select Auto Open System or Shared Key from the drop down list box This field s...

Страница 88: ...pt data Both the NBG4115 and the wireless stations must use the same WEP key for data transmission If you chose 64 bit WEP then enter any 5 ASCII characters or 10 hexadecimal characters 0 9 A F If you...

Страница 89: ...ents be able to communicate with the NBG4115 even when the NBG4115 is using WPA2 PSK Pre Shared Key WPA PSK WPA2 PSK uses a simple common password for authentication Type a pre shared key from 8 to 63...

Страница 90: ...ct Deny to block access to the NBG4115 MAC addresses not listed will be allowed to access the NBG4115 Select Allow to permit access to the NBG4115 MAC addresses not listed will be denied access to the...

Страница 91: ...hen a wirelessly networked device sends a beacon it includes with it a beacon interval This specifies the time period before the device sends the beacon again The interval tells receiving devices on t...

Страница 92: ...ttery power Enable Intra BSS Traffic A Basic Service Set BSS exists when all communications between wireless clients or between a wireless client and a wired network client go through one access point...

Страница 93: ...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 Select Application Priority from the dro...

Страница 94: ...pically used for voice or video that can be medium quality Mid Typically used for applications that do not fit into another priority For example Internet surfing Low Typically used for non critical ba...

Страница 95: ...xt Transfer Protocol HTTP a client server protocol for the World Wide Web The Web is not synonymous with the Internet rather it is just one service on the Internet Other services on the Internet inclu...

Страница 96: ...nfigured when the NBG4115 has connected to a wireless network using WPS or when Enable WPS is selected and wireless or wireless security settings have been changed The current wireless and wireless se...

Страница 97: ...NBG4115 Refresh Click Refresh to get this screen information afresh Table 33 WPS LABEL DESCRIPTION Table 34 WPS Station LABEL DESCRIPTION Push Button Use this button when you use the PBC Push Button C...

Страница 98: ...scribes the labels in this screen Table 35 Scheduling LABEL DESCRIPTION Enable Wireless LAN Scheduling Select this to enable Wireless LAN scheduling Action Select On or Off to specify whether the Wire...

Страница 99: ...Status the Wireless LAN will turn off between the two times you enter in these fields If you have chosen Off earlier for the WLAN Status the Wireless LAN will turn on between the two times you enter i...

Страница 100: ...a computer in one location can communicate with computers in other locations Figure 53 LAN and WAN See the chapter about the connection wizard for more information on the fields in the WAN screens 8 2...

Страница 101: ...ISP each time the NBG4115 tries to access the Internet If your ISP assigns you a static WAN IP address they should also assign you the subnet mask and DNS server IP address es and a gateway IP addres...

Страница 102: ...not everybody and not just 1 Figure 54 Multicast Example In the multicast example above systems A and B comprise one multicast group In multicasting the server only needs to send one data stream and...

Страница 103: ...ss This might happen if you put the NBG4115 behind a NAT router that assigns it this IP address When the NBG4115 is in auto bridge mode the NBG4115 acts as an AP and all the interfaces LAN WAN and WLA...

Страница 104: ...n Ethernet Encapsulation The following table describes the labels in this screen Table 36 Network WAN Internet Connection Ethernet LABEL DESCRIPTION Connection Type You must choose the Ethernet option...

Страница 105: ...t to 0 0 0 0 User Defined changes to None after you click Apply If you set a second choice to User Defined and enter the same IP address the second User Defined changes to None after you click Apply S...

Страница 106: ...on the LAN do not need PPPoE software installed since the NBG4115 does that part of the task Furthermore with NAT all of the LANs computers will have access This screen displays when you select the P...

Страница 107: ...efined but leave the IP address set to 0 0 0 0 User Defined changes to None after you click Apply If you set a second choice to User Defined and enter the same IP address the second User Defined chang...

Страница 108: ...ol that enables secure transfer of data from a remote client to a private server creating a Virtual Private Network VPN using TCP IP based networks PPTP supports on demand multi protocol and virtual p...

Страница 109: ...s Assignment Get automatically from ISP Select this to get your WAN IP address from your ISP DNS Servers First DNS Server Second DNS Server Select From ISP if your ISP dynamically assigns DNS server i...

Страница 110: ...ternet Connection Mobile 3G Clone the computer s MAC address IP Address Select Clone the computer s MAC address IP Address and enter the IP address of the computer on the LAN whose MAC you are cloning...

Страница 111: ...ld to the right displays the read only DNS server IP address that the ISP assigns Select User Defined if you have the IP address of a DNS server Enter the DNS server s IP address in the field to the r...

Страница 112: ...e describes the labels in this screen Apply Click Apply to save your changes back to the NBG4115 Reset Click Reset to begin configuring this screen afresh Table 39 Network WAN Internet Connection Mobi...

Страница 113: ...oing from the LAN to the WAN and from the WAN to the LAN Allow Trigger Dial Select this option to allow NetBIOS packets to initiate calls Auto bridge Enable Auto bridge mode Select this option to have...

Страница 114: ...a building The LAN screens can help you configure a LAN DHCP server manage IP addresses and partition your physical network into logical networks The LAN screens can help you configure a LAN DHCP serv...

Страница 115: ...you explicit DNS server address es read the embedded Web Configurator help regarding what fields need to be configured IP Pool Setup The NBG4115 is pre configured with a pool of 32 IP addresses starti...

Страница 116: ...in dotted decimal notation 192 168 1 1 factory default IP Subnet Mask The subnet mask specifies the network number portion of an IP address Your NBG4115 will automatically calculate the subnet mask ba...

Страница 117: ...Chapter 9 LAN User s Guide 118 C o m p a n y C o n f i d e n t i a l...

Страница 118: ...age 121 screen to assign IP addresses on the LAN to specific individual computers based on their MAC Addresses Use the Client List Section 10 4 on page 122 screen to view the current DHCP client infor...

Страница 119: ...box selected unless your ISP instructs you to do otherwise Clear it to disable the NBG4115 acting as a DHCP server When configured as a server the NBG4115 provides TCP IP configuration for the client...

Страница 120: ...L DESCRIPTION Static DHCP Table This is the index number of the static IP table entry row MAC Address Type the MAC address with colons of a computer on your LAN IP Address Type the LAN IP address of a...

Страница 121: ...y If you set a second choice to User Defined and enter the same IP address the second User Defined changes to None after you click Apply Select DNS Relay to have the NBG4115 act as a DNS proxy The NBG...

Страница 122: ...LAN Local Area Network is unique to your computer six pairs of hexadecimal notation A network interface card such as an Ethernet adapter has a hardwired address that is assigned at the factory This a...

Страница 123: ...Chapter 10 DHCP Server User s Guide 124 C o m p a n y C o n f i d e n t i a l...

Страница 124: ...f 192 168 1 35 to a third C in the example You assign the LAN IP addresses to the devices A to D connected to your NBG4115 The ISP assigns the WAN IP address The NAT network appears as a single host o...

Страница 125: ...dress of a host when the packet is in the local network while the global address refers to the IP address of the host when the same packet is traveling in the WAN side Note Inside outside refers to th...

Страница 126: ...protection With no servers defined your NBG4115 filters out all incoming inquiries thus preventing intruders from probing your network For more information on IP address translation refer to RFC 1631...

Страница 127: ...work to a different IP address known within another network for example a public IP address used on the Internet Select the check box to enable NAT Default Server Setup Server IP Address In addition t...

Страница 128: ...Figure 68 Network NAT Application The following table describes the labels in this screen Table 47 NAT Application LABEL DESCRIPTION Add Application Rule Active Select the check box to enable this ru...

Страница 129: ...he previous one Application Rules Summary This is the number of an individual port forwarding server entry Active This icon is turned on when the rule is enabled Name This field displays a name to ide...

Страница 130: ...rts that a server on the WAN uses when it sends out a particular service The NBG4115 forwards the traffic with this port or range of ports to the client computer on the LAN that requested the service...

Страница 131: ...TP and web service it might be better to specify a range of port numbers In addition to the servers for specified services NAT supports a default server A service request that does not have a server e...

Страница 132: ...ually replace the LAN computer s IP address in the forwarding port with another LAN computer s IP address Trigger port forwarding solves this problem by allowing computers on the LAN to dynamically ta...

Страница 133: ...number ranging between 6970 7170 4 The NBG4115 forwards the traffic to Jane s computer IP address 5 Only Jane can connect to the Real Audio server until the connection is closed or times out The NBG4...

Страница 134: ...also access your FTP server or Web site on your own computer using a domain name for instance myhost dhs org where myhost is a name of your choice that will never change instead of using an IP addres...

Страница 135: ...c DNS Type Select the type of service that you are registered for from your Dynamic DNS service provider Host Name Enter a host names in the field provided You can specify up to two host names in the...

Страница 136: ...P address of the host name s to the WAN IP address Dynamic DNS server auto detect IP Address Select this option to update the IP address of the host name s automatically by the DDNS server It is recom...

Страница 137: ...Chapter 12 DDNS User s Guide 138 C o m p a n y C o n f i d e n t i a l...

Страница 138: ...139 PART III Security Firewall 141 Content Filtering 147 C o m p a n y C o n f i d e n t i a l...

Страница 139: ...140 C o m p a n y C o n f i d e n t i a l...

Страница 140: ...rks from going to the LAN The following figure illustrates the default firewall action User A can initiate an IM Instant Messaging session from the LAN to the WAN 1 Return traffic for this session is...

Страница 141: ...ules They make access control decisions based on IP address and protocol They also inspect the session data to assure the integrity of the connection and to adapt to dynamic protocols These firewalls...

Страница 142: ...ll 1 Change the default password via Web Configurator 2 Think about access control before you connect to the network in any way including attaching a modem to the port 3 Limit who can access your rout...

Страница 143: ...s Use this screen to prevent the ICMP response packet from being sent This keeps outsiders from discovering your NBG4115 when unsupported ports are probed You can also use this screen to enable servic...

Страница 144: ...s Select this option to prevent hackers from finding the NBG4115 by probing for unused ports If you select this option the NBG4115 will not respond to port request s for unused ports thus leaving the...

Страница 145: ...Chapter 13 Firewall User s Guide 146 C o m p a n y C o n f i d e n t i a l...

Страница 146: ...epts may help as you read through this chapter Content Filtering Profiles Content filtering allows you to block certain web features such as cookies and or block access to specific web sites For examp...

Страница 147: ...t will not find items that go across the two For example with the URL www zyxel com tw news pressroom php the NBG4115 would find tw in the domain name www zyxel com tw It would also find news in the f...

Страница 148: ...words in the domain name or IP address For example if the keyword bad was enabled all sites containing this keyword in the domain name or IP address will be blocked e g URL http www website com bad ht...

Страница 149: ...or keywords within www zyxel com tw news Use the ip urlfilter customize actionFlags 6 disable enable command to extend or not extend the keyword blocking search to include the URL s full path File Nam...

Страница 150: ...151 PART IV Management Static Route 153 Bandwidth Management 157 Remote Management 165 UPnP 169 C o m p a n y C o n f i d e n t i a l...

Страница 151: ...152 C o m p a n y C o n f i d e n t i a l...

Страница 152: ...e The NBG4115 routes most traffic from A to the Internet through the NBG4115 s default gateway R1 You create one static route to connect to services offered by your ISP behind router R2 You create ano...

Страница 153: ...er Modify and select the Active checkbox in the Static Route Setup screen to enable the static route Clear the checkbox to disable this static route without having to delete the entry Destination This...

Страница 154: ...a subnet mask of 255 255 255 255 in the subnet mask field to force the network number to be identical to the host ID IP Subnet Mask Enter the IP subnet mask here Gateway IP Address Enter the IP addre...

Страница 155: ...Chapter 15 Static Route User s Guide 156 C o m p a n y C o n f i d e n t i a l...

Страница 156: ...A Bandwidth management is applied before sending the traffic out to LAN Figure 80 Bandwidth Management You can allocate specific amounts of bandwidth capacity bandwidth budgets to individual applicat...

Страница 157: ...the Downlink value that you configure in the Bandwidth Management General screen 16 2 General Use this screen to enable bandwidth management and assign uplink downlink limits You can use either one of...

Страница 158: ...t Priority Queue or Bandwidth Allocation to enable bandwidth management Select Priority Queue to allocate bandwidth based on the pre defined priority assigned to an application Refer to Section 16 3 o...

Страница 159: ...gement Bandwidth MGMT Advanced LABEL DESCRIPTION Priority Queue Local IP Address Enter the IP address of the computer to which bandwidth management does not apply Priority Queue Use this table to allo...

Страница 160: ...IP addresses for which the bandwidth management rule applies Direction These read only labels represent uplink or downlink traffic To LAN applies bandwidth management to traffic from WAN to LAN WLAN i...

Страница 161: ...jitter is the variations in delay Low This is typically used for all other traffic that are not time sensitive 16 3 3 User Defined Service Rule Configuration If you want to edit a bandwidth management...

Страница 162: ...lies Policy Select Max or Min and specify the maximum or minimum bandwidth allowed for the rule in bits per second in the field below Rate bps Select the maximum or minimum bandwidth allowed refer to...

Страница 163: ...P is transported primarily over UDP but can also be transported over TCP using the default port number 5060 BitTorrent BitTorrent is a free P2P peer to peer sharing tool allowing you to distribute lar...

Страница 164: ...o Know The following terms and concepts may help as you read through this chapter Remote Management Limitations Remote management over LAN or WAN will not work when 1 You have disabled that service in...

Страница 165: ...ime out when a statistics screen is polling You can change the timeout period in the System screen 17 2 WWW To change your NBG4115 s World Wide Web settings click Management Remote MGMT to display the...

Страница 166: ...w any computer to access the NBG4115 using this service Choose Selected to just allow the computer with the IP address that you specify to access the NBG4115 using this service Note This only applies...

Страница 167: ...Chapter 17 Remote Management User s Guide 168 C o m p a n y C o n f i d e n t i a l...

Страница 168: ...18 1 2 What You Need to Know The following terms and concepts may help as you read through this chapter How do I know if I m using UPnP UPnP hardware is identified as an icon in the Network Connection...

Страница 169: ...y issues Network 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 mes...

Страница 170: ...is check box to activate UPnP Be aware that anyone could use a UPnP application to open the Web Configurator s login screen without entering the NBG4115 s IP address although you must still enter the...

Страница 171: ...sal Plug and Play check box Figure 88 Networking Services 6 Click OK to go back to the Windows Optional Networking Component Wizard window and click Next 18 3 1 1 Using UPnP in Windows XP Example This...

Страница 172: ...ork Connections An icon displays under Internet Gateway 2 Right click the icon and select Properties Figure 89 Network Connections 3 In the Internet Connection Properties window click Settings to see...

Страница 173: ...ced Settings Figure 92 Internet Connection Properties Advanced Settings Add 5 When the UPnP enabled device is disconnected from your computer all port mappings will be deleted automatically 6 Select S...

Страница 174: ...asy Access With UPnP you can access the web based configurator on the NBG4115 without finding out the IP address of the NBG4115 first This comes helpful if you do not know the IP address of the NBG411...

Страница 175: ...rk Connections 4 An icon with the description for each UPnP enabled device displays under Local Network 5 Right click on the icon for your NBG4115 and select Invoke The Web Configurator login screen d...

Страница 176: ...ight click on the icon for your NBG4115 and select Properties A properties window displays with basic information about the NBG4115 Figure 97 Network Connections My Network Places Properties Example C...

Страница 177: ...Chapter 18 UPnP User s Guide 178 C o m p a n y C o n f i d e n t i a l...

Страница 178: ...179 PART V Maintenance and Troubleshooting System 181 Logs 187 Tools 189 Sys OP Mode 195 Language 199 Troubleshooting 201 C o m p a n y C o n f i d e n t i a l...

Страница 179: ...180 C o m p a n y C o n f i d e n t i a l...

Страница 180: ...al screen Section 19 2 on page 181 to enter a name to identify the NBG4115 in the network and set the password Use the Time Setting screen Section 19 3 on page 183 to change your NBG4115 s time and da...

Страница 181: ...strator Inactivity Timer Type how many minutes a management session can be left idle before the session times out The default is 5 minutes After it times out you have to log in with your password agai...

Страница 182: ...te Current Time This field displays the time of your NBG4115 Each time you reload this page the NBG4115 synchronizes the time with the time server Current Date This field displays the date of your NBG...

Страница 183: ...the time difference between your time zone and Greenwich Mean Time GMT Daylight Savings Daylight saving is a period from late spring to early fall when many countries set their clocks ahead of normal...

Страница 184: ...o clock field Daylight Saving Time ends in the European Union on the last Sunday of October All of the time zones in the European Union stop using Daylight Saving Time at the same moment 1 A M GMT or...

Страница 185: ...Chapter 19 System User s Guide 186 C o m p a n y C o n f i d e n t i a l...

Страница 186: ...t all of the NBG4115 s logs in one location 20 1 1 What You Can Do in this Chapter Use the View Log screen Section 20 2 on page 187 to see the logs for the activity on your NBG4115 20 2 View Log Use t...

Страница 187: ...View Log LABEL DESCRIPTION Refresh Click Refresh to renew the log screen Clear Log Click Clear Log to delete all the logs This is the index number of the log entry Time This field displays the time t...

Страница 188: ...t You Can Do in this Chapter Use the Firmware screen Section 21 2 on page 190 to upload firmware to your NBG4115 Use the Configuration screen Section 21 3 on page 192 to view information related to fa...

Страница 189: ...Figure 101 Maintenance Tools Firmware The following table describes the labels in this screen Note Do not turn off the NBG4115 while firmware upload is in progress Table 65 Maintenance Tools Firmware...

Страница 190: ...g a temporary network disconnect In some operating systems you may see the following icon on your desktop Figure 103 Network Temporarily Disconnected After two minutes log in again and check your new...

Страница 191: ...kup configuration allows you to back up save the NBG4115 s current configuration to a file on your computer Once your NBG4115 is configured and functioning properly it is highly recommended that you b...

Страница 192: ...ou may see the following icon on your desktop Figure 107 Temporarily Disconnected If you uploaded the default configuration file you may need to change the IP address of your computer to be in the sam...

Страница 193: ...the NBG4115 to its factory defaults You can also press the RESET button on the rear panel to reset the factory defaults of your NBG4115 Refer to the chapter about introducing the Web Configurator for...

Страница 194: ...n which mode to choose 22 1 1 What You Can Do in this Chapter Use the General screen Section 22 2 on page 196 to select how you connect to the Internet 22 1 2 What You Need to Know The following terms...

Страница 195: ...ternet another device such as a router is required Figure 111 IP Address in AP Mode 22 2 General Use this screen to select how you connect to the Internet Figure 112 Maintenance Sys OP Mode General If...

Страница 196: ...abeled WAN There is no WAN port The DHCP server on your device is disabled In AP mode there must be a device with a DHCP server on your network such as a router or gateway which can allocate IP addres...

Страница 197: ...Chapter 22 Sys OP Mode User s Guide 198 C o m p a n y C o n f i d e n t i a l...

Страница 198: ...Web Configurator s display language 23 2 Language Use this screen to change the language for the Web Configurator display Click the language you prefer The Web Configurator language changes after a wh...

Страница 199: ...Chapter 23 Language User s Guide 200 C o m p a n y C o n f i d e n t i a l...

Страница 200: ...ctions and LEDs The NBG4115 does not turn on None of the LEDs turn on 1 Make sure you are using the power adaptor or cord included with the NBG4115 2 Make sure the power adaptor or cord is connected t...

Страница 201: ...s in your Internet browser Set your device to Router Mode login see the Quick Start Guide for instructions and go to the Device Information table in the Status screen Your NBG4115 s IP address is avai...

Страница 202: ...Java enabled See Appendix B on page 215 4 Make sure your computer is in the same subnet as the NBG4115 If you know that there are routers between your computer and the NBG4115 skip this step If there...

Страница 203: ...to the NBG4115 5 If this does not work you have to reset the device to its factory defaults See Section 24 5 on page 206 24 4 Internet Access I cannot access the Internet 1 Check the hardware connecti...

Страница 204: ...Internet connection is slow or intermittent 1 There might be a lot of traffic on the network Look at the LEDs and check Section 1 5 on page 22 If the NBG4115 is sending or receiving a lot of informati...

Страница 205: ...BG4115 restarts automatically wait for the NBG4115 to finish restarting and log in to the Web Configurator The password is 1234 If the NBG4115 does not restart automatically disconnect and reconnect t...

Страница 206: ...are listed in the Keyword List If a keyword that is listed in the Keyword List is not blocked when it is found in a URL customize the keyword blocking using commands See the Customizing Keyword Blocki...

Страница 207: ...Chapter 24 Troubleshooting User s Guide 208 C o m p a n y C o n f i d e n t i a l...

Страница 208: ...ecifications 211 Pop up Windows JavaScripts and Java Permissions 215 IP Addresses and Subnetting 223 Setting up Your Computer s IP Address 233 Wireless LANs 251 Services 263 Legal Information 267 Inde...

Страница 209: ...210 C o m p a n y C o n f i d e n t i a l...

Страница 210: ...to the NBG4115 when you connect to the Internet in AP mode Add more than four computers to your LAN by using a hub LEDs PWR LAN1 2 3G Internet WAN WLAN WPS Reset Button The reset button is built into...

Страница 211: ...tion Make a copy of the NBG4115 s configuration and put it back on the NBG4115 later if you decide you want to revert back to an earlier configuration Network Address Translation NAT Each computer on...

Страница 212: ...l Use this feature to have the NBG4115 assign IP addresses an IP default gateway and DNS servers to computers on your network Dynamic DNS Support With Dynamic DNS Domain Name System support you can us...

Страница 213: ...Appendix A Product Specifications User s Guide 214 C o m p a n y C o n f i d e n t i a l...

Страница 214: ...ary Internet Explorer Pop up Blockers You may have to disable pop up blocking to log into your device Either disable pop up blocking enabled by default in Windows XP SP Service Pack 2 or allow pop up...

Страница 215: ...ion of the screen This disables any web pop up blockers you may have enabled Figure 117 Internet Options Privacy 3 Click Apply to save this setting Enable pop up Blockers with Exceptions Alternatively...

Страница 216: ...2 Select Settings to open the Pop up Blocker Settings screen Figure 118 Internet Options Privacy 3 Type the IP address of your device the web page that you do not want to have blocked with the prefix...

Страница 217: ...s to the list of Allowed sites Figure 119 Pop up Blocker Settings 5 Click Close to return to the Privacy screen 6 Click Apply to save this setting JavaScripts If pages of the Web Configurator do not d...

Страница 218: ...Options and then the Security tab Figure 120 Internet Options Security 2 Click the Custom Level button 3 Scroll down to Scripting 4 Under Active scripting make sure that Enable is selected the defaul...

Страница 219: ...Figure 121 Security Settings Java Scripting Java Permissions 1 From Internet Explorer click Tools Internet Options and then the Security tab 2 Click the Custom Level button 3 Scroll down to Microsoft...

Страница 220: ...uide 221 5 Click OK to close the window Figure 122 Security Settings Java JAVA Sun 1 From Internet Explorer click Tools Internet Options and then the Advanced tab 2 Make sure that Use Java 2 for apple...

Страница 221: ...Appendix B Pop up Windows JavaScripts and Java Permissions User s Guide 222 3 Click OK to close the window Figure 123 Java Sun C o m p a n y C o n f i d e n t i a l...

Страница 222: ...he host ID In the same way that houses on a street share a common street name the hosts on a network share a common network number Similarly as each house has its own house number each host on the net...

Страница 223: ...ing a logical AND operation The term subnet is short for sub network A subnet mask has 32 bits If a bit in the subnet mask is a 1 then the corresponding bit in the IP address is part of the network nu...

Страница 224: ...f possible hosts you can have on your network The larger the number of network number bits the smaller the number of remaining host ID bits An IP address with host IDs of all zeros is the IP address o...

Страница 225: ...5 is equivalent to saying 192 1 1 0 with subnet mask 255 255 255 128 The following table shows some possible subnet masks using both notations Table 72 Maximum Host Numbers SUBNET MASK HOST ID SIZE MA...

Страница 226: ...hree octets of the address 192 168 1 are the network number and the remaining octet is the host ID allowing a maximum of 28 2 or 254 possible hosts The following figure shows the company network befor...

Страница 227: ...f and 192 168 1 127 with mask 255 255 255 128 is its broadcast address Therefore the lowest IP address that can be assigned to an actual host for subnet A is 192 168 1 1 and the highest is 192 168 1 1...

Страница 228: ...P Address 192 168 1 64 IP Address Binary 11000000 10101000 00000001 01000000 Subnet Mask Binary 11111111 11111111 11111111 11000000 Subnet Address 192 168 1 64 Lowest Host ID 192 168 1 65 Broadcast Ad...

Страница 229: ...ID 192 168 1 254 Table 77 Subnet 4 continued IP SUBNET MASK NETWORK NUMBER LAST OCTET BIT VALUE Table 78 Eight Subnets SUBNET SUBNET ADDRESS FIRST ADDRESS LAST ADDRESS BROADCAST ADDRESS 1 0 1 30 31 2...

Страница 230: ...other number unless you are told otherwise You must also enable Network Address Translation NAT on the NBG4115 Once you have decided on the network number pick an IP address for your NBG4115 that is e...

Страница 231: ...5 255 172 16 0 0 172 31 255 255 192 168 0 0 192 168 255 255 You can obtain your IP address from the IANA from an ISP or it can be assigned from a private network If you belong to a small organization...

Страница 232: ...ows 3 1 requires the purchase of a third party TCP IP application package TCP IP should already be installed on computers using Windows NT 2000 XP Macintosh OS 7 and later operating systems After the...

Страница 233: ...Network window Configuration tab displays a list of installed components You need a network adapter the TCP IP protocol and Client for Microsoft Networks If you need the adapter 1 In the Network wind...

Страница 234: ...orks from the list of network clients and then click OK 5 Restart your computer so the changes you made take effect Configuring 1 In the Network window Configuration tab select your network adapter s...

Страница 235: ...n 4 Click the Gateway tab If you do not know your gateway s IP address remove previously installed gateways If you have a gateway IP address type it in the New gateway field and click Add 5 Click OK t...

Страница 236: ...r You should see your computer s IP address subnet mask and default gateway Windows 2000 NT XP The following example figures use the default Windows XP GUI theme 1 Click start Start in Windows 2000 NT...

Страница 237: ...double click Network Connections Network and Dial up Connections in Windows 2000 NT Figure 131 Windows XP Control Panel 3 Right click Local Area Connection and then click Properties Figure 132 Window...

Страница 238: ...ndows XP Local Area Connection Properties 5 The Internet Protocol TCP IP Properties window opens the General tab in Windows XP If you have a dynamic IP address click Obtain an IP address automatically...

Страница 239: ...TCP IP Address type an IP address in IP address and a subnet mask in Subnet mask and then click Add Repeat the above two steps for each IP address you want to add Configure additional default gateways...

Страница 240: ...rotocol TCP IP Properties window the General tab in Windows XP Click Obtain DNS server address automatically if you do not know your DNS server IP address es If you know your DNS server IP address es...

Страница 241: ...2000 NT to close the Local Area Connection Properties window 10 Close the Network Connections window Network and Dial up Connections in Windows 2000 NT 11 Turn on your Prestige and restart your comput...

Страница 242: ...Computer s IP Address User s Guide 243 Macintosh OS 8 9 1 Click the Apple menu Control Panel and double click TCP IP to open the TCP IP Control Panel Figure 137 Macintosh OS 8 9 Apple Menu C o m p a n...

Страница 243: ...following From the Configure box select Manually Type your IP address in the IP Address box Type your subnet mask in the Subnet mask box Type the IP address of your Prestige in the Router address box...

Страница 244: ...stem Preferences window Figure 139 Macintosh OS X Apple Menu 2 Click Network in the icon bar Select Automatic from the Location list Select Built in Ethernet from the Show list Click the TCP IP tab 3...

Страница 245: ...ings Check your TCP IP properties in the Network window Linux This section shows you how to configure your computer s TCP IP settings in Red Hat Linux 9 0 Procedure screens and file location may vary...

Страница 246: ...settings with and select dhcp from the drop down list If you have a static IP address click Statically set IP Addresses and fill in the Address Subnet mask and Default Gateway Address fields 3 Click...

Страница 247: ...iguration Files Follow the steps below to edit the network configuration files and set your computer IP address 1 Assuming that you have only one network card on the computer locate the ifconfig eth0...

Страница 248: ...following figure shows an example where two DNS server IP addresses are specified Figure 147 Red Hat 9 0 DNS Settings in resolv conf 3 After you edit and save the configuration files you must restart...

Страница 249: ...ig eth0 Link encap Ethernet HWaddr 00 50 BA 72 5B 44 inet addr 172 23 19 129 Bcast 172 23 19 255 Mask 255 255 255 0 UP BROADCAST RUNNING MULTICAST MTU 1500 Metric 1 RX packets 717 errors 0 dropped 0 o...

Страница 250: ...ly referred to as an Ad hoc network or Independent Basic Service Set IBSS The following diagram shows an example of notebook computers using wireless adapters to form an Ad hoc wireless LAN Figure 150...

Страница 251: ...ists of a series of overlapping BSSs each containing an access point with each access point connected together by a wired network This wired connection between APs is called a Distribution System DS T...

Страница 252: ...interference Interference occurs when radio signals from different access points overlap causing interference and degrading performance Adjacent channels partially overlap however To avoid interferen...

Страница 253: ...st To Send message to the AP for permission to send it The AP then responds with a CTS Clear to Send message to all other stations within its range to notify them to defer their transmission It also r...

Страница 254: ...rhead so it should be used in a good wireless network environment when all wireless stations support it Select Long if you have a noisy network or are unsure of what preamble mode your wireless statio...

Страница 255: ...entication methods to be deployed with no changes to the access point or the wireless stations RADIUS RADIUS is based on a client server model that supports authentication authorization and accounting...

Страница 256: ...server to indicate that it has started or stopped accounting In order to ensure network security the access point and the RADIUS server use a shared secret key which is a password they both know The...

Страница 257: ...uthority CA to handle certificates which imposes a management overhead EAP TTLS Tunneled Transport Layer Service EAP TTLS is an extension of the EAP TLS authentication that uses certificates for only...

Страница 258: ...user authentication Encryption Both WPA and WPA2 improve data encryption by using Temporal Key Integrity Protocol TKIP Message Integrity Check MIC and IEEE 802 1x In addition to TKIP WPA2 also uses A...

Страница 259: ...Fi network than WEP making it difficult for an intruder to break into the network The encryption mechanisms used for WPA and WPA PSK are the same The only difference between the two is that WPA PSK u...

Страница 260: ...2 with RADIUS Application Example You need the IP address of the RADIUS server its port number default is 1812 and the RADIUS shared secret A WPA 2 application example with an external RADIUS server l...

Страница 261: ...Table 83 Wireless Security Relational Matrix AUTHENTICATION METHOD KEY MANAGEMENT PROTOCOL ENCRYPTIO N METHOD ENTER MANUAL KEY IEEE 802 1X Open None No Disable Enable without Dynamic WEP Key Open WEP...

Страница 262: ...use this service or the situations in which this service is used Table 84 Examples of Services NAME PROTOCOL PORT S DESCRIPTION AH IPSEC_TUNNEL User Defined 51 The IPSEC AH Authentication Header tunn...

Страница 263: ...cess Protocol is used for e mail IMAP4S TCP 993 This is a more secure version of IMAP4 that runs over SSL IRC TCP UDP 6667 This is another popular Internet chat program MSN Messenger TCP 1863 Microsof...

Страница 264: ...is an ISP that provides services mainly for cable modems RTELNET TCP 107 Remote Telnet RTSP TCP UDP 554 The Real Time Streaming media control Protocol RTSP is a remote control for multimedia on the In...

Страница 265: ...the login and terminal emulation protocol common on the Internet and in UNIX environments It operates over TCP IP networks Its primary function is to allow users to log into remote host systems TFTP...

Страница 266: ...rights of others ZyXEL further reserves the right to make changes in any products described herein without notice This publication is subject to change without notice Certifications Federal Communicat...

Страница 267: ...of at least 20 cm must be maintained between the antenna of this device and all persons Industry Canada Statement This device complies with RSS 210 of the Industry Canada Rules Operation is subject t...

Страница 268: ...ator your body Notices Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment This device has been designed fo...

Страница 269: ...in lieu of all other warranties express or implied including any implied warranty of merchantability or fitness for a particular use or purpose ZyXEL shall in no event be held liable for indirect or...

Страница 270: ...ot granted to you herein are expressly reserved by ZyXEL You may not remove any proprietary notice of ZyXEL or any of its licensors from any copy of the Software or Documentation 4 Restrictions You ma...

Страница 271: ...the confidentiality of your own most confidential information You agree to reasonably communicate the terms and conditions of this License Agreement to those persons employed by you who come into con...

Страница 272: ...NTATION OR INFORMATION ABOUT THE SOFTWARE AND DOCUMENTATION WITHOUT COMPLYING WITH SUCH LAWS REGULATIONS ORDERS OR OTHER RESTRICTIONS YOU AGREE TO INDEMNIFY ZyXEL AGAINST ALL CLAIMS LOSSES DAMAGES LIA...

Страница 273: ...d Documentation shall not be assigned by you without the prior written consent of ZyXEL Any waiver or modification of this License Agreement shall only be effective if it is in writing and signed by b...

Страница 274: ...ord in URL 147 copyright 267 CPU usage 31 57 CTS Clear to Send 254 D Daylight saving 184 DDNS 135 see also Dynamic DNS service providers 136 DHCP 34 119 DHCP server see also Dynamic Host Configuration...

Страница 275: ...reshold 255 FTP see also File Transfer Program 163 G gateway 154 General wireless LAN screen 85 H Hidden Node 253 HTTP 163 Hyper Text Transfer Protocol 163 I IANA 232 IBSS 251 IEEE 802 11g 255 IGMP 10...

Страница 276: ...8 navigation panel 32 58 NetBIOS 103 see also Network Basic Input Output System 103 Network Address Translation 125 128 O Operating Channel 31 57 operating mode 21 P P2P 164 peer to peer 164 Point to...

Страница 277: ...31 57 82 86 stateful inspection firewall 141 Static DHCP 121 Static Route 154 Status 30 subnet 223 Subnet Mask 117 subnet mask 50 224 subnetting 227 Summary DHCP table 34 Packet statistics 35 Wireless...

Страница 278: ...channel 206 wireless LAN 206 wireless LAN scheduling 99 Wireless LAN wizard 42 Wireless network basic guidelines 82 channel 82 encryption 84 example 81 MAC address filter 83 overview 81 security 82 SS...

Страница 279: ...Index User s Guide 280 C o m p a n y C o n f i d e n t i a l...

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