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Chapter 10 DHCP Server

User

’

s Guide

122

10.4  Client List 

The DHCP table shows current DHCP client information (including 

IP Address

,

Host Name

 and 

MAC Address

) of network clients using the NBG4115

’

s DHCP 

servers.

Configure this screen to always assign an IP address to a MAC address (and host 
name). Click 

Network

 > 

DHCP Server

 > 

Client List

.

Note: You can also view a read-only client list by clicking the 

DHCP Table (Details...) 

hyperlink in the

 Status 

screen. 

First DNS Server

Second DNS 
Server

Select 

From ISP

 if your ISP dynamically assigns DNS server 

information (and the NBG4115's WAN IP address). The field 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 right. If you chose 

User-Defined

, 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

 changes to 

None

 after you click 

Apply

.

Select 

DNS Relay

 to have the NBG4115 act as a DNS proxy. The 

NBG4115's LAN IP address displays in the field to the right (read-
only). The NBG4115 tells the DHCP clients on the LAN that the 
NBG4115 itself is the DNS server. When a computer on the LAN sends 
a DNS query to the NBG4115, the NBG4115 forwards the query to the 
NBG4115's system DNS server (configured in the 

WAN > Internet 

Connection

 screen) and relays the response back to the computer. 

You can only select 

DNS Relay

 for one of the three servers; if you 

select

DNS Relay

 for a second or third DNS server, that choice 

changes to 

None

 after you click 

Apply

.

Select 

None

 if you do not want to configure DNS servers. If you do 

not configure a DNS server, you must know the IP address of a 

computer in order to access it.

Apply

Click

Apply

 to save your changes back to the NBG4115.

Reset

Click

Reset

 to begin configuring this screen afresh.

Table 43   

Network > DHCP Server > Advanced

LABEL

DESCRIPTION

C

om

pan

y 

C

on

fiden

tial

Summary of Contents for NBG-417N

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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