ZyXEL Communications LTE5121 User Manual
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LTE5121
LTE IAD
Version 1.00
Edition 1, 6/2013
Quick Start Guide
User's Guide
Default Login Details
LAN IP Address
User Name
Password
www.zyxel.com
http://192.168.1.1
admin
1234
Copyright © 2013 ZyXEL Communications Corporation

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Summary of Contents for ZyXEL Communications LTE5121

  • Page 1 LTE5121 LTE IAD Version 1.00 Edition 1, 6/2013 Quick Start Guide User’s Guide Default Login Details LAN IP Address http://192.168.1.1 User Name admin Password 1234 www.zyxel.com Copyright © 2013 ZyXEL Communications Corporation...
  • Page 2 IMPORTANT! READ CAREFULLY BEFORE USE. KEEP THIS GUIDE FOR FUTURE REFERENCE. Screenshots and graphics in this book may differ slightly from your product due to differences in your product firmware or your computer operating system. Every effort has been made to ensure that the information in this manual is accurate.
  • Page 3: Table Of Contents

    Contents Overview Contents Overview User’s Guide ............................13 Introduction .............................15 Introducing the Web Configurator ......................23 Technical Reference ..........................27 Connection Status and System Info ......................29 Broadband ...............................35 Wireless ..............................43 Home Networking ............................71 Static Route .............................95 DNS Route ..............................99 Quality of Service (QoS) ........................103 Network Address Translation (NAT) ......................
  • Page 4 Contents Overview LTE-5121 User’s Guide...
  • Page 5: Table Of Contents

    Table of Contents Table of Contents Contents Overview ..........................3 Table of Contents ..........................5 Part I: User’s Guide ..................13 Chapter 1 Introduction............................15 1.1 Overview ............................15 1.2 Applications for the LTE Device ......................15 1.2.1 Internet Access ........................15 1.2.2 VoIP Features ..........................16 1.3 The WLAN Button ..........................16 1.4 The WPS Button ..........................16 1.5 Ways to Manage the LTE Device ......................17...
  • Page 6 Table of Contents Chapter 4 Broadband............................35 4.1 Overview ............................35 4.1.1 What You Can Do in this Chapter ....................35 4.1.2 What You Need to Know ......................35 4.1.3 Before You Begin ........................36 4.2 The Broadband Screen ........................36 4.2.1 Edit Internet Connection ......................38 4.3 The SIM Screen ..........................39 4.3.1 PUK Code Screen ........................40 4.4 Technical Reference ..........................41...
  • Page 7 Table of Contents 6.3 The Static DHCP Screen ........................75 6.3.1 Before You Begin ........................75 6.4 The UPnP Screen ..........................77 6.5 The File Sharing Screen ........................77 6.5.1 Before You Begin ........................78 6.5.2 Add/Edit File Sharing .......................79 6.6 The Media Server Screen .........................80 6.7 The Printer Server Screen ........................81 6.7.1 Before You Begin ........................81 6.8 Technical Reference ..........................82...
  • Page 8 Table of Contents 10.1.1 What You Can Do in this Chapter ..................115 10.1.2 What You Need To Know ..................... 115 10.2 The Port Forwarding Screen ......................116 10.2.1 The Port Forwarding Screen ....................117 10.2.2 The Port Forwarding Edit Screen ..................118 10.3 The DMZ Screen ...........................
  • Page 9 Table of Contents 14.2 The Parental Control Screen ......................135 14.2.1 Add/Edit a Parental Control Rule ..................136 Chapter 15 Certificates ............................139 15.1 Overview ............................139 15.1.1 What You Can Do in this Chapter ..................139 15.1.2 What You Need to Know ......................139 15.1.3 Verifying a Certificate ......................140 15.2 Local Certificates ...........................141 15.3 Trusted CA ..........................143 15.4 Trusted CA Import ........................143...
  • Page 10 Table of Contents 17.5 Phone Screen ..........................175 17.5.1 Edit Phone Device .......................175 17.6 The Phone Region Screen ......................177 17.7 The Call Rule Screen ........................177 17.8 Technical Reference ........................179 17.8.1 VoIP .............................179 17.8.2 SIP ............................179 17.8.3 Quality of Service (QoS) ......................183 17.8.4 Phone Services Overview ....................184 Chapter 18 System Monitor..........................187...
  • Page 11 Table of Contents 22.1.1 What You Need to Know ......................203 22.2 The System Screen ........................203 Chapter 23 Time Setting ............................205 23.1 Overview ............................205 23.2 The Time Setting Screen ......................205 Chapter 24 Log Setting ............................207 24.1 Overview ............................207 24.2 The Log Setting Screen ........................207 Chapter 25 Firmware Upgrade ..........................209 25.1 Overview ............................209...
  • Page 12 Table of Contents LTE-5121 User’s Guide...
  • Page 13: User's Guide

    User’s Guide...
  • Page 15: Introduction

    H A PT ER Introduction 1.1 Overview The LTE Device is an indoors LTE (Long Term Evolution) router with Voice over IP (VoIP) communication capabilities so you can use a traditional analog telephone to make Internet calls. The LTE Device is also a complete security solution with VPN and a robust firewall that uses Stateful Packet Inspection (SPI) technology and protects against Denial of Service (DoS) attacks.
  • Page 16: Voip Features

    Chapter 1 Introduction 1.2.2 VoIP Features Use SIP (Session Initiation Protocol) accounts with the LTE Device to make and receive VoIP telephone calls. Figure 2 LTE Device’s VoIP Application PSTN The LTE Device sends your call to a VoIP service provider’s SIP server which forwards your calls towards the destination VoIP or PSTN phones.
  • Page 17: Ways To Manage The Lte Device

    Chapter 1 Introduction 1.5 Ways to Manage the LTE Device Use any of the following methods to manage the LTE Device. • Web Configurator. This is recommended for everyday management of the LTE Device using a (supported) web browser. • FTP for firmware upgrades and configuration backup/restore. 1.6 Good Habits for Managing the LTE Device Do the following things regularly to make the LTE Device more secure and to manage the LTE Device more effectively.
  • Page 18 Chapter 1 Introduction Table 1 LED Descriptions (continued) COLOR STATUS DESCRIPTION LTE/3G Green The LTE connection is registered and authenticated. Blinking The LTE Device is initializing the LTE connection. Orange The LTE Device has a 3G WAN connection. The LTE module is not present or has failed. SIGNAL Green The LTE LEDs display the signal quality of the LTE connection...
  • Page 19: The Reset Button

    Chapter 1 Introduction 1.8 The RESET Button If you forget your password or cannot access the web configurator, you will need to use the RESET button at the back of the device to reload the factory-default configuration file. This means that you will lose all configurations that you had previously and the passwords will be reset to the defaults.
  • Page 20 Chapter 1 Introduction Insert and slowly screw the screws into the anchors (or the holes if you are not using anchors) to attach the wall-mounting bracket to the wall. Make sure the screws are snugly fastened to the wall. They need to hold the weight of the LTE Device with the connection cables. Figure 5 Mount the Bracket on the Wall Mount the LTE Device on the wall-mounting bracket, which is already installed on the wall.
  • Page 21 Chapter 1 Introduction The following are dimensions of a screw anchor and M4 tap screw used for wall mounting. All measurements are in millimeters (mm). The figure is enlarged to show detail. Figure 7 Screw Anchor and M4 Tap Screw LTE-5121 User’s Guide 晨...
  • Page 22 Chapter 1 Introduction LTE-5121 User’s Guide...
  • Page 23: Introducing The Web Configurator

    H A PT ER Introducing the Web Configurator 2.1 Overview The web configurator is an HTML-based management interface that allows easy device setup and management via Internet browser. Use Internet Explorer 6.0 and later versions, Mozilla Firefox 3 and later versions, or Safari 2.0 and later versions. The recommended screen resolution is 1024 by 768 pixels.
  • Page 24 Chapter 2 Introducing the Web Configurator The following screen displays if you have not yet changed your password. It is strongly recommended you change the default password. Enter a new password, retype it to confirm and click Apply; alternatively click Skip to proceed to the main menu if you do not want to change the password now.
  • Page 25: The Web Configurator Layout

    Chapter 2 Introducing the Web Configurator 2.2 The Web Configurator Layout Click Connection Status > System Info to show the following screen. Figure 11 Web Configurator Layout As illustrated above, the main screen is divided into these parts: • A - title bar •...
  • Page 26 Chapter 2 Introducing the Web Configurator After you click System Info on the Connection Status screen, the System Info screen is displayed. See Chapter 3 on page 30 for more information about the System Info screen. If you click LAN Device on the System Info screen (a in Figure 11 on page 25), the Connection Status screen appears.
  • Page 27: Technical Reference

    Technical Reference The appendices provide general information. Some details may not apply to your LTE Device.
  • Page 29: Connection Status And System Info

    H A PT ER Connection Status and System Info 3.1 Overview After you log into the web configurator, the Connection Status screen appears. This shows the network connection status of the LTE Device and clients connected to it. Use the System Info screen to look at the current status of the device, system resources, interfaces (LAN, WAN and WLAN), and SIP accounts.
  • Page 30: The System Info Screen

    Chapter 3 Connection Status and System Info In Icon View, if you want to view information about a client, click the client’s name and Info. Click the IP address if you want to change it. If you want to change the name or icon of the client, click Change name/icon.
  • Page 31 Chapter 3 Connection Status and System Info Table 2 System Info Screen (continued) LABEL DESCRIPTION Host Name This field displays the LTE Device system name. It is used for identification. You can change this in the Maintenance > System screen’s Host Name field. Model Name This is the model name of your device.
  • Page 32 Chapter 3 Connection Status and System Info Table 2 System Info Screen (continued) LABEL DESCRIPTION Status This shows whether or not the SSID is enabled (on). Security Mode This displays the type of security the LTE Device is using in the wireless LAN.
  • Page 33 Chapter 3 Connection Status and System Info Table 2 System Info Screen (continued) LABEL DESCRIPTION Status This field indicates whether or not the LTE Device is using the interface. For the WAN interface, this field displays Up when the LTE Device is connected to a cellular network and Down when the LTE Device does not have a cellular connection.
  • Page 34 Chapter 3 Connection Status and System Info Table 2 System Info Screen (continued) LABEL DESCRIPTION Action This field displays the current registration status of the SIP account. You have to register SIP accounts with a SIP server to use VoIP. If the SIP account is already registered with the SIP server, •...
  • Page 35: Broadband

    H A PT ER Broadband 4.1 Overview This chapter discusses the LTE Device’s Broadband screens. Use these screens to configure your LTE Device for Internet access. A WAN (Wide Area Network) connection is an outside connection to another network or the Internet.
  • Page 36: Before You Begin

    Chapter 4 Broadband WAN IP Address The WAN IP address is an IP address for the LTE Device, which makes it accessible from an outside network. It is used by the LTE Device to communicate with other devices in other networks. The ISP dynamically assigns it each time the LTE Device tries to access the Internet.
  • Page 37 Chapter 4 Broadband Table 3 Network Setting > Broadband (continued) LABEL DESCRIPTION Antenna Mode Select whether the LTE Device uses the internal or external LTE antennas. Apply Click Apply to save your changes. Cancel Click Cancel to return to the last-saved settings. Add new WAN Click this to create a new WAN interface.
  • Page 38: Edit Internet Connection

    Chapter 4 Broadband 4.2.1 Edit Internet Connection In Network Setting > Broadband, click Add New WAN Interface the Edit icon next to the LTE connection to display the following screen. Use this screen to configure a WAN connection. Figure 18 Broadband Edit The following table describes the fields in this screen.
  • Page 39: The Sim Screen

    Chapter 4 Broadband Table 4 Broadband Edit (continued) LABEL DESCRIPTION Apply Click Apply to save your changes. Back Click Back to return to the previous screen. 4.3 The SIM Screen Use the SIM screen to enter the PIN of your SIM card. Entering the wrong PIN code 3 times locks the SIM card after which you need a PUK from the service provider to unlock it.
  • Page 40: Puk Code Screen

    Chapter 4 Broadband Table 5 SIM LABEL DESCRIPTION Input PIN If you enabled PIN verification, enter the 4-digit PIN code (0000 for example) provided by your ISP. If you enter the PIN code incorrectly too many times, the ISP may block your 3G SIM card and not ley you use the account to access the Internet.
  • Page 41: Technical Reference

    Chapter 4 Broadband Table 6 PUK Code LABEL DESCRIPTION Apply Click Apply to save your changes. Cancel Click Cancel to return to the previous screen without saving. 4.4 Technical Reference The following section contains additional technical information about the LTE Device features described in this chapter.
  • Page 42 Chapter 4 Broadband LTE-5121 User’s Guide...
  • Page 43: Wireless

    H A PT ER Wireless 5.1 Overview This chapter describes the LTE Device’s Network Setting > Wireless screens. Use these screens to set up your LTE Device’s wireless connection. 5.1.1 What You Can Do in this Chapter • Use the General screen to enable the wireless LAN, enter the SSID and select the wireless security mode (Section 5.2 on page 45).
  • Page 44 Chapter 5 Wireless The following figure provides an example of a wireless network. Figure 21 Example of a Wireless Network The wireless network is the part in the blue circle. In this wireless network, devices A and B use the access point (AP) to interact with the other devices (such as the printer) or with the Internet.
  • Page 45: Before You Begin

    Chapter 5 Wireless 5.1.3 Before You Begin Before you start using these screens, ask yourself the following questions. See Section 5.8 on page if some of the terms used here do not make sense to you. • What wireless standards do the other wireless devices support (IEEE 802.11g, for example)? What is the most appropriate standard to use? •...
  • Page 46 Chapter 5 Wireless The following table describes the labels in this screen. Table 7 Network > Wireless LAN > General LABEL DESCRIPTION Wireless Network Setup Wireless Select the Enable Wireless LAN check box to activate the wireless LAN. Note: You must also set the LTE Device’s physical WLAN ON/OFF button to ON to use wireless LAN.
  • Page 47: No Security

    Chapter 5 Wireless Table 7 Network > Wireless LAN > General (continued) LABEL DESCRIPTION Security Mode Select Basic or More Secure to add security on this wireless network. The wireless clients which want to associate to this network must have same wireless security settings as the LTE Device.
  • Page 48 Chapter 5 Wireless Shared key mode involves a shared secret key to authenticate the wireless station to the AP or peer computer. This requires you to enable the wireless LAN security and use same settings on both the wireless station and the AP or peer computer. In order to configure and enable WEP encryption, click Network Settings >...
  • Page 49: More Secure (Wpa(2)-Psk)

    Chapter 5 Wireless 5.2.3 More Secure (WPA(2)-PSK) The WPA-PSK security mode provides both improved data encryption and user authentication over WEP. Using a Pre-Shared Key (PSK), both the LTE Device and the connecting client share a common password in order to validate the connection. This type of encryption, while robust, is not as strong as WPA, WPA2 or even WPA2-PSK.
  • Page 50: Wpa(2) Authentication

    Chapter 5 Wireless Table 10 Wireless > General: WPA(2)-PSK (continued) LABEL DESCRIPTION WPA-PSK This field appears when you choose WPA-PSK2 as the Security Mode. Compatible Check this field to allow wireless devices using WPA-PSK security mode to connect to your LTE Device. The LTE Device supports WPA-PSK and WPA2-PSK simultaneously.
  • Page 51: The More Ap Screen

    Chapter 5 Wireless The following table describes the labels in this screen. Table 11 Wireless > General: More Secure: WPA(2) LABEL DESCRIPTION Security Level Select More Secure to enable WPA(2)-PSK data encryption. Security Mode Choose WPA or WPA2 from the drop-down list box. Authentication Server IP Address Enter the IP address of the external authentication server in dotted decimal...
  • Page 52: Edit More Ap

    Chapter 5 Wireless The following table describes the labels in this screen. Table 12 Network Settings > Wireless > More AP LABEL DESCRIPTION This is the index number of the entry. Active This field indicates whether this SSID is active. A yellow bulb signifies that this SSID is active.
  • Page 53: The Wps Screen

    Chapter 5 Wireless Table 13 Wireless > More AP: Edit (continued) LABEL DESCRIPTION Wireless Network The SSID (Service Set IDentity) identifies the service set with which a Name (SSID) wireless device is associated. Wireless devices associating to the access point (AP) must have the same SSID. Enter a descriptive name (up to 32 English keyboard characters) for the wireless LAN.
  • Page 54 Chapter 5 Wireless Click Network Setting > Wireless > WPS. The following screen displays. Select Enable and click Apply to activate the WPS function. Then you can configure the WPS settings in this screen. Figure 29 Network Setting > Wireless > WPS The following table describes the labels in this screen.
  • Page 55: The Wmm Screen

    Chapter 5 Wireless Table 14 Network Setting > Wireless > WPS (continued) LABEL DESCRIPTION Register Enter the PIN of the device that you are setting up a WPS connection with and click Register to authenticate and add the wireless device to your wireless network.
  • Page 56 Chapter 5 Wireless Click Network Setting > Wireless > WMM. The following screen displays. Figure 30 Network Setting > Wireless > WMM The following table describes the labels in this screen. Table 15 Network Setting > Wireless > WMM LABEL DESCRIPTION Enable WMM of This enables the LTE Device to automatically give a service a priority level...
  • Page 57: Scheduling Screen

    Chapter 5 Wireless 5.6 Scheduling Screen Click Network Setting > Wireless > Scheduling to open the Wireless LAN Scheduling screen. Use this screen to configure when the LTE Device enables or disables the wireless LAN. Figure 31 Network Setting > Wireless > Scheduling The following table describes the labels in this screen.
  • Page 58: Technical Reference

    Chapter 5 Wireless Note: Enable wireless LAN both in the screens (see Section 5.2 on page 45) and using the LTE Device’s physical WLAN ON/OFF button to be able to use this screen. The WLAN LED should be on. Network Setting > Wireless > Channel Status Figure 32 The following table describes the labels in this screen.
  • Page 59: Additional Wireless Terms

    Chapter 5 Wireless 5.8.1 Additional Wireless Terms The following table describes some wireless network terms and acronyms used in the LTE Device’s web configurator. Table 18 Additional Wireless Terms TERM DESCRIPTION RTS/CTS Threshold In a wireless network which covers a large area, wireless devices are sometimes not aware of each other’s presence.
  • Page 60 Chapter 5 Wireless A good way to come up with effective security keys, passwords and so on is to use obscure information that you personally will easily remember, and to enter it in a way that appears random and does not include real words. For example, if your mother owns a 1970 Dodge Challenger and her favorite movie is Vanishing Point (which you know was made in 1971) you could use “70dodchal71vanpoi”...
  • Page 61: Signal Problems

    Chapter 5 Wireless For example, if the wireless network has a RADIUS server, you can choose WPA or WPA2. If users do not log in to the wireless network, you can choose no encryption, Static WEP, WPA-PSK, or WPA2-PSK. Usually, you should set up the strongest encryption that every device in the wireless network supports.
  • Page 62: Mbssid

    Chapter 5 Wireless When Intra-BSS traffic blocking is enabled, wireless station A and B can still access the wired network but cannot communicate with each other. Figure 33 Basic Service set 5.8.5 MBSSID Traditionally, you need to use different APs to configure different Basic Service Sets (BSSs). As well as the cost of buying extra APs, there is also the possibility of channel interference.
  • Page 63 Chapter 5 Wireless WPS allows you to quickly set up a wireless network with strong security, without having to configure security settings manually. Each WPS connection works between two devices. 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 enter a PIN (a unique Personal Identification Number that allows one device to authenticate the other) in each of the two devices.
  • Page 64 Chapter 5 Wireless Ensure WPS is enabled on both devices. Access the WPS section of the AP’s configuration interface. See the device’s User’s Guide for how to do this. Look for the client’s WPS PIN; it will be displayed either on the device, or in the WPS section of the client’s configuration interface (see the device’s User’s Guide for how to find the WPS PIN - for the LTE Device, see Section 5.4 on page...
  • Page 65 Chapter 5 Wireless The following figure shows a WPS-enabled wireless client (installed in a notebook computer) connecting to the WPS-enabled AP via the PIN method. Figure 34 Example WPS Process: PIN Method ENROLLEE REGISTRAR This device’s WPS PIN: 123456 Enter WPS PIN from other device: START START...
  • Page 66 Chapter 5 Wireless The following figure shows a WPS-enabled client (installed in a notebook computer) connecting to a WPS-enabled access point. Figure 35 How WPS works ACTIVATE ACTIVATE WITHIN 2 MINUTES WPS HANDSHAKE ENROLLEE REGISTRAR SECURE TUNNEL SECURITY INFO COMMUNICATION The roles of registrar and enrollee last only as long as the WPS setup process is active (two minutes).
  • Page 67 Chapter 5 Wireless is the registrar, and Client 1 is the enrollee. The registrar randomly generates the security information to set up the network, since it is unconfigured and has no existing information. Figure 36 WPS: Example Network Step 1 ENROLLEE REGISTRAR SECURITY INFO...
  • Page 68 Chapter 5 Wireless In step 3, you add another access point (AP2) to your network. AP2 is out of range of AP1, so you cannot use AP1 for the WPS handshake with the new access point. However, you know that Client 2 supports the registrar function, so you use it to perform the WPS handshake instead.
  • Page 69 Chapter 5 Wireless • When you use the PBC method, there is a short period (from the moment you press the button on one device to the moment you press the button on the other device) when any WPS-enabled device could join the network. This is because the registrar has no way of identifying the “correct”...
  • Page 70 Chapter 5 Wireless LTE-5121 User’s Guide...
  • Page 71: Home Networking

    H A PT ER Home Networking 6.1 Overview A Local Area Network (LAN) is a shared communication system to which many computers are attached. A LAN is usually located in one immediate area such as a building or floor of a building. The LAN screens can help you configure a LAN DHCP server and manage IP addresses.
  • Page 72 Chapter 6 Home Networking Subnet Mask The subnet mask specifies the network number portion of an IP address. Your LTE Device will compute the subnet mask automatically based on the IP address that you entered. You don't need to change the subnet mask computed by the LTE Device unless you are instructed to do otherwise. DHCP DHCP (Dynamic Host Configuration Protocol) allows clients to obtain TCP/IP configuration at start- up from a server.
  • Page 73 Chapter 6 Home Networking 6.1.2.3 About File Sharing Workgroup name This is the name given to a set of computers that are connected on a network and share resources such as a printer or files. Windows automatically assigns the workgroup name when you set up a network.
  • Page 74: The Lan Setup Screen

    Chapter 6 Home Networking Supported OSs Your operating system must support TCP/IP ports for printing and be compatible with the RAW (port 9100) protocol. The following OSs support LTE Device’s printer sharing feature. • Microsoft Windows 95, Windows 98 SE (Second Edition), Windows Me, Windows NT 4.0, Windows 2000, Windows XP or Macintosh OS X.
  • Page 75: The Static Dhcp Screen

    Chapter 6 Home Networking Table 20 Network Setting > Home Networking > LAN Setup (continued) LABEL DESCRIPTION DHCP Select Enable to have your LTE Device assign IP addresses, an IP default gateway and DNS servers to LAN computers and other devices that are DHCP clients.
  • Page 76 Chapter 6 Home Networking Use this screen to change your LTE Device’s static DHCP settings. Click Network Setting > Home Networking > Static DHCP to open the following screen. Figure 40 Network Setting > Home Networking > Static DHCP The following table describes the labels in this screen. Table 21 Network Setting >...
  • Page 77: The Upnp Screen

    Chapter 6 Home Networking Table 22 Static DHCP: Add LABEL DESCRIPTION Apply Click Apply to save your changes. Back Click Back to exit this screen without saving. 6.4 The UPnP Screen Universal Plug and Play (UPnP) is a distributed, open networking standard that uses TCP/IP for simple peer-to-peer network connectivity between devices.
  • Page 78: Before You Begin

    Chapter 6 Home Networking The following figure is an overview of the LTE Device’s file server feature. Computers A and B can access files on a USB device (C) which is connected to the LTE Device. Figure 43 File Sharing Overview The LTE Device will not be able to join the workgroup if your local area network has restrictions set up that do not allow devices to join a workgroup.
  • Page 79: Add/Edit File Sharing

    Chapter 6 Home Networking Each field is described in the following table. Table 24 Network Setting > Home Networking > File Sharing LABEL DESCRIPTION Server Configuration File Sharing Select Enable to activate file sharing through the LTE Device. Services (SMB) Share Directory List - These fields display after you enable the file sharing services and click Apply.
  • Page 80: The Media Server Screen

    Chapter 6 Home Networking Table 25 File Sharing: Add/Edit LABEL DESCRIPTION Apply Click Apply to save your changes. Back Click Back to return to the previous screen. 6.6 The Media Server Screen The media server feature lets anyone on your network play video, music, and photos from the USB storage device connected to your LTE Device (without having to copy them to another computer).
  • Page 81: The Printer Server Screen

    Chapter 6 Home Networking 6.7 The Printer Server Screen The LTE Device allows you to share a USB printer on your LAN. You can do this by connecting a USB printer to one of the USB ports on the LTE Device and then configuring a TCP/IP port on the computers connected to your network.
  • Page 82: Technical Reference

    Chapter 6 Home Networking The following table describes the labels in this menu. Table 27 Network Setting > Home Networking > Print Server LABEL DESCRIPTION LTE Device share a USB printer Printer Select Enable to have the Server Apply Click Apply to save your changes. Cancel Click Cancel to restore your previously saved settings.
  • Page 83 Chapter 6 Home Networking LAN TCP/IP The LTE Device has built-in DHCP server capability that assigns IP addresses and DNS servers to systems that support DHCP client capability. IP Address and Subnet Mask Similar to the way houses on a street share a common street name, so too do computers on a LAN share one common network number.
  • Page 84 Chapter 6 Home Networking Note: Regardless of your particular situation, do not create an arbitrary IP address; always follow the guidelines above. For more information on address assignment, please refer to RFC 1597, “Address Allocation for Private Internets” and RFC 1466, “Guidelines for Management of IP Address Space”.
  • Page 85 Chapter 6 Home Networking Table 28 Compatible USB Printers (continued) BRAND MODEL Deskjet 830C Deskjet 845C Deskjet 1125C Deskjet 1180C Deskjet 1220C Deskjet F4185 Laserjet 1022 Laserjet 1200 Laserjet 2200D Laserjet 2420 Color Laserjet 1500L Laserjet 3015 Officejet 4255 Officejet 5510 Officejet 5610 Officejet 7210 Officejet Pro L7380...
  • Page 86: Installing Upnp In Windows Example

    Chapter 6 Home Networking Table 28 Compatible USB Printers (continued) BRAND MODEL SAMSUNG ML-1710 SAMSUNG SCX-4016 6.9 Installing UPnP in Windows Example This section shows how to install UPnP in Windows Me and Windows XP. Installing UPnP in Windows Me Follow the steps below to install the UPnP in Windows Me.
  • Page 87 Chapter 6 Home Networking In the Communications window, select the Universal Plug and Play check box in the Components selection box. Figure 51 Add/Remove Programs: Windows Setup: Communication: Components Click OK to go back to the Add/Remove Programs Properties window and click Next. Restart the computer when prompted.
  • Page 88 Chapter 6 Home Networking The Windows Optional Networking Components Wizard window displays. Select Networking Service in the Components selection box and click Details. Figure 53 Windows Optional Networking Components Wizard In the Networking Services window, select the Universal Plug and Play check box. Figure 54 Networking Services LTE-5121 User’s Guide...
  • Page 89: Using Upnp In Windows Xp Example

    Chapter 6 Home Networking Click OK to go back to the Windows Optional Networking Component Wizard window and click Next. 6.10 Using UPnP in Windows XP Example This section shows you how to use the UPnP feature in Windows XP. You must already have UPnP installed in Windows XP and UPnP activated on the LTE Device.
  • Page 90 Chapter 6 Home Networking In the Internet Connection Properties window, click Settings to see the port mappings there were automatically created. Figure 56 Internet Connection Properties LTE-5121 User’s Guide...
  • Page 91 Chapter 6 Home Networking You may edit or delete the port mappings or click Add to manually add port mappings. Figure 57 Internet Connection Properties: Advanced Settings Figure 58 Internet Connection Properties: Advanced Settings: Add When the UPnP-enabled device is disconnected from your computer, all port mappings will be deleted automatically.
  • Page 92 Chapter 6 Home Networking Select Show icon in notification area when connected option and click OK. An icon displays in the system tray. Figure 59 System Tray Icon Double-click on the icon to display your current Internet connection status. Figure 60 Internet Connection Status Web Configurator Easy Access With UPnP, you can access the web-based configurator on the LTE Device without finding out the IP address of the LTE Device first.
  • Page 93 Chapter 6 Home Networking Select My Network Places under Other Places. Figure 61 Network Connections An icon with the description for each UPnP-enabled device displays under Local Network. LTE-5121 User’s Guide...
  • Page 94 Chapter 6 Home Networking Right-click on the icon for your LTE Device and select Invoke. The web configurator login screen displays. Figure 62 Network Connections: My Network Places Right-click on the icon for your LTE Device and select Properties. A properties window displays with basic information about the LTE Device.
  • Page 95: Static Route

    H A PT ER Static Route 7.1 Overview The LTE Device usually uses the default gateway to route outbound traffic from computers on the LAN to the Internet. To have the LTE Device send data to devices not reachable through the default gateway, use static routes.
  • Page 96: Configuring Static Route

    Chapter 7 Static Route 7.2 Configuring Static Route Use this screen to view and configure IP static routes on the LTE Device. Click Network Setting > Static Route to open the following screen. Figure 65 Network Setting > Static Route The following table describes the labels in this screen.
  • Page 97: Add/Edit Static Route

    Chapter 7 Static Route 7.2.1 Add/Edit Static Route Click add new Static Route in the Routing screen or click the Edit icon next to a rule. The following screen appears. Use this screen to configure the required information for a static route. Figure 66 Routing: Add/Edit The following table describes the labels in this screen.
  • Page 98 Chapter 7 Static Route LTE-5121 User’s Guide...
  • Page 99: Dns Route

    H A PT ER DNS Route 8.1 Overview DNS (Domain Name System) is for mapping a domain name to its corresponding IP address and vice versa. The DNS server is extremely important because without it, you must know the IP address of a machine before you can access it.
  • Page 100: The Dns Route Screen

    Chapter 8 DNS Route 8.2 The DNS Route Screen The DNS Route screens let you view and configure DNS routes on the LTE Device. Click Network Setting > DNS Route to open the DNS Route screen. A DNS route forwards DNS queries for a specific domain name through a specific WAN interface to its DNS server.
  • Page 101 Chapter 8 DNS Route The following table describes the labels in this screen. Table 32 DNS Route: Add/Edit LABEL DESCRIPTION Active Select this to activate this DNS route. Domain Name Enter the domain name you want to resolve. You can use the wildcard character, an “*” (asterisk) as the left most part of a domain name, such as *.example.com.
  • Page 102 Chapter 8 DNS Route LTE-5121 User’s Guide...
  • Page 103: Quality Of Service (Qos)

    H A PT ER Quality of Service (QoS) 9.1 Overview This chapter discusses the LTE Device’s QoS screens. Use these screens to set up your LTE Device to use QoS for traffic management. Quality of Service (QoS) refers to both a network’s ability to deliver data with minimum delay, and the networking methods used to control the use of bandwidth.
  • Page 104: The Qos General Screen

    Chapter 9 Quality of Service (QoS) similar types of traffic together and treating each type as a class. You can use CoS to give different priorities to different packet types. CoS technologies includes DiffServ (Differentiated Services or DS). DiffServ is a new protocol and defines a new DS field, which replaces the eight-bit ToS (Type of Service) field in the IP header.
  • Page 105: The Queue Setup Screen

    Chapter 9 Quality of Service (QoS) The following table describes the labels in this screen. Table 33 Network Setting > QoS > General LABEL DESCRIPTION Active QoS Select the check box to turn on QoS to improve your network performance. You can give priority to traffic that the LTE Device forwards out through the WAN interface.
  • Page 106: Add/Edit A Qos Queue

    Chapter 9 Quality of Service (QoS) The following table describes the labels in this screen. Table 34 Network Setting > QoS > Queue Setup LABEL DESCRIPTION Add new Click this to create a new entry. Queue This is the index number of this entry. Status This indicates whether the queue is active or not.
  • Page 107: The Class Setup Screen

    Chapter 9 Quality of Service (QoS) Table 35 Queue Setup: Add/Edit (continued) LABEL DESCRIPTION Priority Select the priority level (from 1 to 7) of this queue. The larger the number, the higher the priority level. Traffic assigned to higher priority queues gets through faster while traffic in lower priority queues is dropped if the network is congested.
  • Page 108 Chapter 9 Quality of Service (QoS) The following table describes the labels in this screen. Table 36 Network Setting > QoS > Class Setup LABEL DESCRIPTION Add new Classifier Click this to create a new classifier. Order This field displays the order number of the classifier. Status This indicates whether the classifier is active or not.
  • Page 109: Add/Edit Qos Class

    Chapter 9 Quality of Service (QoS) 9.4.1 Add/Edit QoS Class Click Add new Classifier in the Class Setup screen or the Edit icon next to an existing classifier to configure it. Figure 74 Class Setup: Add/Edit The following table describes the labels in this screen. Table 37 Class Setup: Add/Edit LABEL DESCRIPTION...
  • Page 110 Chapter 9 Quality of Service (QoS) Table 37 Class Setup: Add/Edit (continued) LABEL DESCRIPTION Classification Order Select an existing number for where you want to put this classifier to move the classifier to the number you selected after clicking Apply. Select Last to put this rule in the back of the classifier list.
  • Page 111 Chapter 9 Quality of Service (QoS) Table 37 Class Setup: Add/Edit (continued) LABEL DESCRIPTION MAC Mask Type the mask for the specified MAC address to determine which bits a packet’s MAC address should match. Enter “f” for each bit of the specified source MAC address that the traffic’s MAC address should match.
  • Page 112: The Qos Monitor Screen

    Chapter 9 Quality of Service (QoS) Table 37 Class Setup: Add/Edit (continued) LABEL DESCRIPTION Apply Click Apply to save your changes. Back Click Back to return to the previous screen without saving. 9.5 The QoS Monitor Screen To view the LTE Device’s QoS packet statistics, click Network Setting > QoS > Monitor. The screen appears as shown.
  • Page 113: Qos Technical Reference

    Chapter 9 Quality of Service (QoS) 9.6 QoS Technical Reference This section provides some technical background information about the topics covered in this chapter. 9.6.1 DiffServ QoS is used to prioritize source-to-destination traffic flows. All packets in the flow are given the same priority.
  • Page 114 Chapter 9 Quality of Service (QoS) LTE-5121 User’s Guide...
  • Page 115: Network Address Translation (Nat)

    HAPTER Network Address Translation (NAT) 10.1 Overview NAT (Network Address Translation - NAT, RFC 1631) is the translation of the IP address of a host in a packet, for example, the source address of an outgoing packet, used within one network to a different IP address known within another network.
  • Page 116: The Port Forwarding Screen

    Chapter 10 Network Address Translation (NAT) Port Forwarding A port forwarding set is a list of inside (behind NAT on the LAN) servers, for example, web or FTP, that you can make visible to the outside world even though NAT makes your whole inside network appear as a single computer to the outside world.
  • Page 117: The Port Forwarding Screen

    Chapter 10 Network Address Translation (NAT) 10.2.1 The Port Forwarding Screen Click Network Setting > NAT to open the Port Forwarding screen. Figure 77 Network Setting > NAT > Port Forwarding The following table describes the fields in this screen. Table 39 Network Setting >...
  • Page 118: The Port Forwarding Edit Screen

    Chapter 10 Network Address Translation (NAT) 10.2.2 The Port Forwarding Edit Screen This screen lets you create or edit a port forwarding rule. Click Add new rule in the Port Forwarding screen or the Edit icon next to an existing rule to open the following screen. Figure 78 Port Forwarding: Add/Edit The following table describes the labels in this screen.
  • Page 119: The Dmz Screen

    Chapter 10 Network Address Translation (NAT) Table 40 Port Forwarding: Add/Edit (continued) LABEL DESCRIPTION Protocol Type Select the protocol supported by this virtual server. Choices are TCP, UDP, or TCP/UDP. Apply Click Apply to save your changes. Back Click Back to return to the previous screen without saving. 10.3 The DMZ Screen Click Network Setting >...
  • Page 120: The Alg Screen

    Chapter 10 Network Address Translation (NAT) The following table describes the fields in this screen. Table 42 Network Setting > NAT > Sessions LABEL DESCRIPTION MAX NAT Session Use this field to set a common limit to the number of concurrent NAT sessions each client computer can have.
  • Page 121: Nat Definitions

    Chapter 10 Network Address Translation (NAT) 10.6.1 NAT Definitions Inside/outside denotes where a host is located relative to the LTE Device, for example, the computers of your subscribers are the inside hosts, while the web servers on the Internet are the outside hosts.
  • Page 122 Chapter 10 Network Address Translation (NAT) Many-to-Many Overload NAT mapping) in each packet and then forwards it to the Internet. The LTE Device keeps track of the original addresses and port numbers so incoming reply packets can have their original values restored. The following figure illustrates this. Figure 82 How NAT Works NAT Table Inside Local...
  • Page 123: Dynamic Dns

    HAPTER Dynamic DNS 11.1 Overview This chapter discusses how to configure your LTE Device to use Dynamic DNS. Dynamic DNS allows you to update your current dynamic IP address with one or many dynamic DNS services so that anyone can contact you (in applications such as NetMeeting and CU-SeeMe). You can 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 address that changes each time you reconnect.
  • Page 124 Chapter 11 Dynamic DNS The following table describes the fields in this screen. Table 45 Network Setting > DNS LABEL DESCRIPTION Dynamic DNS Configuration Active Dynamic Select this check box to use dynamic DNS. Service Provider Select the name of your Dynamic DNS service provider. Dynamic DNS If you set the Dynamic DNS service provider to DynDNS.ORG, select the type of Type...
  • Page 125: Firewall

    HAPTER Firewall 12.1 Overview Use the LTE Device firewall screens to enable and configure the firewall that protects your LTE Device and network from attacks by hackers on the Internet and control access to it. By default the firewall: • Allows traffic that originates from your LAN computers to go to all other networks. •...
  • Page 126: What You Need To Know

    Chapter 12 Firewall 12.1.2 What You Need to Know Firewall The LTE Device’s firewall feature physically separates the LAN and the WAN and acts as a secure gateway for all data passing between the networks. It is designed to protect against Denial of Service (DoS) attacks when activated. The LTE Device's purpose is to allow a private Local Area Network (LAN) to be securely connected to the Internet.
  • Page 127: The Services Screen

    Chapter 12 Firewall Figure 85 Security > Firewall > General The following table describes the labels in this screen. Table 46 Security > Firewall > General LABEL DESCRIPTION Firewall Select Enable to activate the firewall. The LTE Device performs access control and protects against Denial of Service (DoS) attacks when the firewall is activated.
  • Page 128: The Add New Services Entry Screen

    Chapter 12 Firewall Each field is described in the following table. Table 47 Security > Firewall > Services LABEL DESCRIPTION Add New Service Click this to define a new service. Entry Name This is the name of a configured service. Type This is the protocol type (TCP, UDP, ICMP or Others) of the service.
  • Page 129: The Access Control Screen

    Chapter 12 Firewall Table 48 Security > Firewall > Services > Add New Service Entry (continued) LABEL DESCRIPTION Apply Click Apply to save your changes. Back Click Back to exit this screen without saving your changes. 12.4 The Access Control Screen Click Security >...
  • Page 130: The Add New Acl Rule/Edit Screen

    Chapter 12 Firewall 12.4.1 The Add New ACL Rule/Edit Screen Click Add New ACL Rule or the Edit icon next to an existing ACL rule in the Access Control screen. The following screen displays. Figure 89 Security > Firewall > Access Control > Add New ACL Rule/Edit Each field is described in the following table.
  • Page 131: The Dos Screen

    Chapter 12 Firewall Table 50 Security > Firewall > Access Control > Add New ACL Rule/Edit (continued) LABEL DESCRIPTION Protocol This field is available when you select Select Service in Select Protocol. Choose the protocol type (TCP, UDP, ICMP or Others) of the service. Protocol Number This field is available when you select Others in Protocol.
  • Page 132: Firewall Technical Reference

    Chapter 12 Firewall 12.6 Firewall Technical Reference This section provides some technical background information about the topics covered in this chapter. 12.6.1 Guidelines For Enhancing Security With Your Firewall Change the default password via web configurator. Think about access control before you connect to the network in any way. Limit who can access your LTE Device.
  • Page 133: Mac Filter

    HAPTER MAC Filter 13.1 Overview This chapter discusses MAC address filtering. You can configure the LTE Device to permit access to clients based on their MAC addresses in the MAC Filter screen. This applies to wired and wireless connections. 13.1.1 What You Need to Know Every Ethernet device has a unique MAC (Media Access Control) address.
  • Page 134 Chapter 13 MAC Filter The following table describes the labels in this menu. Table 52 Security > MAC Filter LABEL DESCRIPTION MAC Address Select Enable to activate MAC address filtering. Filter This is the index number of the MAC address. Allow Select Allow to permit access to the LTE Device.
  • Page 135: Parental Control

    HAPTER Parental Control 14.1 Overview Parental control allows you to block web sites with the specific URL. You can also define time periods and days during which the LTE Device performs parental control on a specific user. 14.2 The Parental Control Screen Use this screen to enable parental control, view the parental control rules and schedules.
  • Page 136: Add/Edit A Parental Control Rule

    Chapter 14 Parental Control Table 53 Parental Control > Parental Control (continued) LABEL DESCRIPTION Website Block This shows whether the website block is configured. If not, None will be shown. Modify Click the Edit icon to go to the screen where you can edit the rule. Click the Delete icon to delete an existing rule.
  • Page 137 Chapter 14 Parental Control Table 54 Add/Edit Parental Control Rule (continued) LABEL DESCRIPTION Parental Control Enter a descriptive name for the rule. Profile Name Home Network Select the LAN user that you want to apply this rule to from the drop-down list User box.
  • Page 138 Chapter 14 Parental Control LTE-5121 User’s Guide...
  • Page 139: Certificates

    HAPTER Certificates 15.1 Overview The LTE Device can use certificates (also called digital IDs) to authenticate users. Certificates are based on public-private key pairs. A certificate contains the certificate owner’s identity and public key. Certificates provide a way to exchange public keys for use in authentication. 15.1.1 What You Can Do in this Chapter •...
  • Page 140: Verifying A Certificate

    Chapter 15 Certificates The LTE Device uses certificates based on public-key cryptology to authenticate users attempting to establish a connection. The method used to secure the data that you send through an established connection depends on the type of connection. For example, a VPN tunnel might use the triple DES encryption algorithm.
  • Page 141: Local Certificates

    Chapter 15 Certificates You can use a certificate’s fingerprint to verify it. A certificate’s fingerprint is a message digest calculated using the MD5 or SHA1 algorithms. The following procedure describes how to check a certificate’s fingerprint to verify that you have the actual certificate. Browse to where you have the certificate saved on your computer.
  • Page 142 Chapter 15 Certificates • SIP TLS - This certificate secures VoIP connections. • SSH/SCP/SFTP - This certificate secures remote connections. Click Security > Certificates to open the Local Certificates screen. Figure 96 Security > Certificates > Local Certificates The following table describes the labels in this screen. Table 55 Security >...
  • Page 143: Trusted Ca

    Chapter 15 Certificates 15.3 Trusted CA Use this screen to view a summary list of certificates of the certification authorities that you have set the LTE Device to accept as trusted. The LTE Device accepts any valid certificate signed by a certification authority on this list as being trustworthy;...
  • Page 144: View Certificate

    Chapter 15 Certificates Note: You must remove any spaces from the certificate’s filename before you can import the certificate. Figure 98 Trusted CA > Import The following table describes the labels in this screen. Table 57 Security > Certificates > Trusted CA > Import LABEL DESCRIPTION Certificate File...
  • Page 145: Vpn Certificates

    Chapter 15 Certificates Click Security > Certificates > Trusted CA to open the Trusted CA screen. Click the View icon to open the View Certificate screen. Figure 99 Trusted CA: View The following table describes the labels in this screen. Table 58 Trusted CA: View LABEL DESCRIPTION...
  • Page 146 Chapter 15 Certificates The following table describes the labels in this screen. Table 59 Security > Certificates > VPN Certificates LABEL DESCRIPTION Import Certificate Click this button to open a screen where you can save a certificate the LTE Device can use to identify itself when building VPN connections. This displays the VPN certificate index number.
  • Page 147: Vpn Certificate Import

    Chapter 15 Certificates 15.7 VPN Certificate Import Click Import Certificate in the VPN Certificates screen to open the Import Certificate screen. Use this screen to import a certificate the LTE Device can use to identify itself when building VPN connections. Figure 101 VPN Certificates >...
  • Page 148 Chapter 15 Certificates LTE-5121 User’s Guide...
  • Page 149: Vpn

    HAPTER 16.1 Overview A virtual private network (VPN) provides secure communications over the the Internet. Internet Protocol Security (IPSec) is a standards-based VPN that provides confidentiality, data integrity, and authentication. This chapter shows you how to configure the LTE Device’s VPN settings. 16.2 The VPN Screen Use this screen to view and manage your VPN tunnel policies.
  • Page 150: Ipsec Vpn: Add

    Chapter 16 VPN Table 61 IPSec VPN LABEL DESCRIPTION Active This displays if the VPN policy is enabled. Tunnel Name The name of the VPN connection. Local Address This displays the IP address of the LTE Device. Remote Address This displays the IP address of the remote IPSec router. IPSec Algorithm This displays the encryption algorithm for the VPN connection.
  • Page 151 Chapter 16 VPN Figure 104 IPSec VPN: Add LTE-5121 User’s Guide...
  • Page 152 Chapter 16 VPN This screen contains the following fields: Table 62 IPSec VPN: Add LABEL DESCRIPTION IPSEC Setup Active Select Active to activate this VPN policy. NAT Traversal Select this if any of these conditions are satisfied. • This IKE SA might be used to negotiate IPSec SAs that use ESP as the active protocol.
  • Page 153 Chapter 16 VPN Table 62 IPSec VPN: Add LABEL DESCRIPTION Content When you select IP in the Local ID field, type the IP address of your computer in the Content field. If you configure the Content field to 0.0.0.0 or leave it blank, the LTE Device automatically uses the Pre-Share Key (refer to the Pre- Share Key field description).
  • Page 154 Chapter 16 VPN Table 62 IPSec VPN: Add LABEL DESCRIPTION Encryption Select which key size and encryption algorithm to use in the IKE SA. Choices Algorithm are: 3DES - a 168-bit key with the DES encryption algorithm AES128 - a 128-bit key with the AES encryption algorithm AES256 - a 256-bit key with the AES encryption algorithm The LTE Device and the remote IPSec router must use the same key size and encryption algorithm.
  • Page 155: Vpn Monitor Screen

    Chapter 16 VPN Table 62 IPSec VPN: Add LABEL DESCRIPTION Perfect Select whether or not you want to enable Perfect Forward Secrecy (PFS) Forward Secrecy (PFS) PFS changes the root key that is used to generate encryption keys for each IPSec SA.
  • Page 156: Ipsec Architecture

    Chapter 16 VPN 16.5.1 IPSec Architecture The overall IPSec architecture is shown as follows. Figure 106 IPSec Architecture IPSec Algorithms The ESP (Encapsulating Security Payload) Protocol (RFC 2406) and AH (Authentication Header) protocol (RFC 2402) describe the packet formats and the default standards for packet structure (including implementation algorithms).
  • Page 157: Ike Phases

    Chapter 16 VPN Figure 107 Transport and Tunnel Mode IPSec Encapsulation Transport Mode Transport mode is used to protect upper layer protocols and only affects the data in the IP packet. In Transport mode, the IP packet contains the security protocol (AH or ESP) located after the original IP header and options, but before any upper layer protocols contained in the packet (such as TCP and UDP).
  • Page 158: Negotiation Mode

    Chapter 16 VPN Figure 108 Two Phases to Set Up the IPSec SA In phase 1 you must: • Choose a negotiation mode. • Authenticate the connection by entering a pre-shared key. • Choose an encryption algorithm. • Choose an authentication algorithm. •...
  • Page 159: Ipsec And Nat

    Chapter 16 VPN • Aggressive Mode is quicker than Main Mode because it eliminates several steps when the communicating parties are negotiating authentication (phase 1). However the trade-off is that faster speed limits its negotiating power and it also does not provide identity protection. It is useful in remote access situations where the address of the initiator is not know by the responder and both parties want to use pre-shared key authentication.
  • Page 160: Id Type And Content

    Chapter 16 VPN Figure 109 NAT Router Between IPSec Routers Normally you cannot set up an IKE SA with a NAT router between the two IPSec routers because the NAT router changes the header of the IPSec packet. NAT traversal solves the problem by adding a UDP port 500 header to the IPSec packet.
  • Page 161: Pre-Shared Key

    Chapter 16 VPN The type of ID can be a domain name, an IP address or an e-mail address. The content is the IP address, domain name, or e-mail address. Table 66 Local ID Type and Content Fields LOCAL ID TYPE= CONTENT= Type the IP address of your computer.
  • Page 162 Chapter 16 VPN LTE-5121 User’s Guide...
  • Page 163: Voip

    HAPTER VoIP 17.1 Overview Use this chapter to: • Connect an analog phone to the LTE Device. • Make phone calls over the Internet, as well as the regular phone network. • Configure settings such as speed dial. • Configure network settings to optimize the voice quality of your phone calls. 17.1.1 What You Can Do in this Chapter These screens allow you to configure your LTE Device to make phone calls over the Internet and your regular phone line, and to set up the phones you connect to the LTE Device.
  • Page 164: Before You Begin

    Chapter 17 VoIP SIP stands for Session Initiation Protocol. SIP is a signalling standard that lets one network device (like a computer or the LTE Device) send messages to another. In VoIP, these messages are about phone calls over the network. For example, when you dial a number on your LTE Device, it sends a SIP message over the network asking the other device (the number you dialed) to take part in the call.
  • Page 165: The Sip Service Provider Screen

    Chapter 17 VoIP • You should have the information your VoIP service provider gave you ready, before you start to configure the LTE Device. 17.2 The SIP Service Provider Screen Use this screen to configure the SIP server information, QoS for VoIP calls, the numbers for certain phone functions and dialing plan.
  • Page 166 Chapter 17 VoIP Note: Click more... to see all the fields in the screen. You don’t necessarily need to use all these fields to set up your account. Click hide more to see and configure only the fields needed for this feature. Figure 110 VoIP >...
  • Page 167 Chapter 17 VoIP Figure 111 VoIP > SIP > SIP Service Provider (continued) The following table describes the labels in this screen. Table 69 VoIP > SIP > SIP Service Provider LABEL DESCRIPTION SIP Service Provider Selection Service Provider Select the SIP service provider profile you want to use for the SIP account you Selection configure in this screen.
  • Page 168 Chapter 17 VoIP Table 69 VoIP > SIP > SIP Service Provider (continued) LABEL DESCRIPTION SIP Local Port Enter the LTE Device’s listening port number, if your VoIP service provider gave you one. Otherwise, keep the default value. Main SIP Server Enter the IP address or domain name of the SIP server provided by your VoIP Address service provider.
  • Page 169 Chapter 17 VoIP Table 69 VoIP > SIP > SIP Service Provider (continued) LABEL DESCRIPTION Start Port Enter the listening port number(s) for RTP traffic, if your VoIP service provider gave you this information. Otherwise, keep the default values. End Port To enter one port number, enter the port number in the Start Port and End Port fields.
  • Page 170 Chapter 17 VoIP Table 69 VoIP > SIP > SIP Service Provider (continued) LABEL DESCRIPTION Min-SE Enter the minimum number of seconds the LTE Device lets a SIP session remain idle (without traffic) before it automatically disconnects the session. When two SIP devices start a SIP session, they must agree on an expiration time for idle sessions.
  • Page 171: The Sip Account Screen

    Chapter 17 VoIP Table 69 VoIP > SIP > SIP Service Provider (continued) LABEL DESCRIPTION Do Not Disturb This code is used to turn the Do Not Disturb feature off. Disable Apply Click Apply to save your changes. Cancel Click Cancel to restore your previously saved settings. 17.3 The SIP Account Screen The LTE Device uses a SIP account to make outgoing VoIP calls and check if an incoming call’s destination number matches your SIP account’s SIP number.
  • Page 172: Add/Edit Sip Account

    Chapter 17 VoIP 17.3.1 Add/Edit SIP Account You can configure a new SIP account or edit one. To access this screen, click Add new SIP Account in the SIP Account screen or Edit icon next to an existing account. Figure 113 SIP Account: Add/Edit LTE-5121 User’s Guide...
  • Page 173 Chapter 17 VoIP Each field is described in the following table. Table 71 SIP Account: Edit LABEL DESCRIPTION SIP Service Provider Selection Service Provider Select the SIP service provider profile you want to use for the SIP account you Selection configure in this screen.
  • Page 174 Chapter 17 VoIP Table 71 SIP Account: Edit (continued) LABEL DESCRIPTION Active VAD Select this if the LTE Device should stop transmitting when you are not speaking. (Voice Active This reduces the bandwidth the LTE Device uses. Detector) Call Features Send Caller ID Select this if you want to send identification when you make VoIP phone calls.
  • Page 175: Multiple Sip Accounts

    Chapter 17 VoIP 17.4 Multiple SIP Accounts You can set up two SIP accounts on your LTE Device and your LTE Device is equipped with two phone ports. By default, SIP1 of the LTE Device maps to phone port 1 for incoming and outgoing, and SIP2 maps to phone port 2 for incoming and outgoing.
  • Page 176 Chapter 17 VoIP You cannot edit the account if it is not activated. Go to VoIP > SIP > SIP Account > Edit to activate a SIP account (see Section 17.3 on page 171 for more information). Figure 115 Phone Device: Edit The following table describes the labels in this screen.
  • Page 177: The Phone Region Screen

    Chapter 17 VoIP 17.6 The Phone Region Screen Use this screen to maintain settings that depend on which region of the world the LTE Device is in. To access this screen, click VoIP > Phone > Region. Figure 116 VoIP > Phone > Region Each field is described in the following table.
  • Page 178 Chapter 17 VoIP To access this screen, click VoIP > Call Rule. Figure 117 VoIP > Call Rule Each field is described in the following table. Table 75 VoIP > Call Rule LABEL DESCRIPTION Speed Dial Use this section to create or edit speed-dial entries. Select the speed-dial number you want to use for this phone number.
  • Page 179: Technical Reference

    Chapter 17 VoIP 17.8 Technical Reference This section contains background material relevant to the VoIP screens. 17.8.1 VoIP VoIP is the sending of voice signals over Internet Protocol. This allows you to make phone calls and send faxes over the Internet at a fraction of the cost of using the traditional circuit-switched telephone network.
  • Page 180 Chapter 17 VoIP After successful registration, the SIP server knows that the users (identified by their dedicated SIP URIs) are represented by the UA, and knows the IP address to which the SIP requests and responses should be sent. Registration is initiated by the User Agent Client (UAC) running in the VoIP gateway (the LTE Device).
  • Page 181 Chapter 17 VoIP The client device (A in the figure) sends a call invitation to the SIP proxy server B. The SIP proxy server forwards the call invitation to C. Figure 119 SIP Proxy Server SIP Redirect Server A SIP redirect server accepts SIP requests, translates the destination address to an IP address and sends the translated IP address back to the device that sent the request.
  • Page 182 Chapter 17 VoIP Client device A then sends the call invitation to client device C. Figure 120 SIP Redirect Server SIP Register Server A SIP register server maintains a database of SIP identity-to-IP address (or domain name) mapping. The register server checks your user name and password when you register. When you make a VoIP call using SIP, the RTP (Real time Transport Protocol) is used to handle voice data transfer.
  • Page 183: Quality Of Service (Qos)

    Chapter 17 VoIP A sends a SIP INVITE request to B. This message is an invitation for B to participate in a SIP telephone call. B sends a response indicating that the telephone is ringing. B sends an OK response after the call is answered. A then sends an ACK message to acknowledge that B has answered the call.
  • Page 184: Phone Services Overview

    Chapter 17 VoIP Type of Service (ToS) Network traffic can be classified by setting the ToS (Type of Service) values at the data source (for example, at the LTE Device) so a server can decide the best method of delivery, that is the least cost, fastest route and so on.
  • Page 185 Chapter 17 VoIP • Do not Disturb Note: To take full advantage of the supplementary phone services available through the LTE Device's phone ports, you may need to subscribe to the services from your VoIP service provider. The Flash Key Flashing means to press the hook for a short period of time (a few hundred milliseconds) before releasing it.
  • Page 186 Chapter 17 VoIP Press the flash key and then “1” to disconnect the current call and resume the call on hold. If you hang up the phone but a caller is still on hold, there will be a remind ring. European Call Waiting This allows you to place a call on hold while you answer another incoming call on the same telephone (directory) number.
  • Page 187: System Monitor

    HAPTER System Monitor 18.1 Overview Use the Traffic Status screens to view status and log information. 18.1.1 What You Can Do in this Chapter • Use the LTE Status screen to view LTE status details (Section 18.2 on page 188) . •...
  • Page 188: The Lte Status Screen

    Chapter 18 System Monitor facility identifies a file in the syslog server. Refer to the documentation of your syslog program for details. The following table describes the syslog severity levels. Table 78 Syslog Severity Levels CODE SEVERITY Emergency: The system is unusable. Alert: Action must be taken immediately.
  • Page 189 Chapter 18 System Monitor Table 79 System Monitor > LTE Status (continued) LABEL DESCRIPTION Status This field displays UP when the LTE Device is connected to a cellular network and DOWN when the LTE Device does not have an cellular connection. Device This displays the name of the company that made the LTE module in the LTE Manufacturer...
  • Page 190: The System Log Screen

    Chapter 18 System Monitor Table 79 System Monitor > LTE Status (continued) LABEL DESCRIPTION LTE SINR This displays the Signal to Interference plus Noise Ratio in dB. This only applies to an LTE connection. This displays how much bandwidth the LTE signal is using. This only applies to an BandWidth LTE connection.
  • Page 191: The Phone Log Screen

    Chapter 18 System Monitor Table 80 System Monitor > Log > System Log (continued) LABEL DESCRIPTION Level This field displays the severity level of the logs that the device is to send to this syslog server. Messages This field states the reason for the log. 18.4 The Phone Log Screen Click System Monitor >...
  • Page 192: The Voip Call History Screen

    Chapter 18 System Monitor 18.5 The VoIP Call History Screen System Monitor > Log Click > VoIP Call History to open the VoIP Call History screen. Use this screen to see the details of the calls performed on the LTE Device. Figure 125 System Monitor >...
  • Page 193: The Lan Status Screen

    Chapter 18 System Monitor The following table describes the fields in this screen. Table 83 System Monitor > Traffic Status > WAN LABEL DESCRIPTION Status This shows the number of bytes received and sent through the WAN interface of the LTE Device. Refresh Interval Select how often you want the LTE Device to update this screen from the drop- down list box.
  • Page 194: The Nat Status Screen

    Chapter 18 System Monitor Table 84 System Monitor > Traffic Status > LAN (continued) LABEL DESCRIPTION Bytes Sent This indicates the number of bytes transmitted on this interface. Bytes Received This indicates the number of bytes received on this interface. Interface This shows the LAN or WLAN interface.
  • Page 195: The Voip Status Screen

    Chapter 18 System Monitor 18.9 The VoIP Status Screen Click System Monitor > VoIP Status to open the following screen. You can view the VoIP traffic statistics in this screen. Figure 129 System Monitor > VoIP Status The following table describes the fields in this screen. Table 86 System Monitor >...
  • Page 196 Chapter 18 System Monitor Table 86 System Monitor > VoIP Status (continued) LABEL DESCRIPTION Duration This field displays how long the current call has lasted. Status This field displays the current state of the phone call. Idle - There are no current VoIP calls, incoming calls or outgoing calls being made.
  • Page 197: User Account

    HAPTER User Account 19.1 Overview You can configure system password for different user accounts in the User Account screen. 19.2 The User Account Screen Use the User Account screen to configure system password. Click Maintenance > User Account to open the following screen. Figure 130 Maintenance >...
  • Page 198 Chapter 19 User Account LTE-5121 User’s Guide...
  • Page 199: Remote Mgmt

    HAPTER Remote MGMT 20.1 Overview Remote MGMT allows you to manage your LTE Device from a remote location through the following interfaces: • LAN and WLAN • WAN only Note: The LTE Device is managed using the web configurator. 20.1.1 What You Need to Know The following terms and concepts may help as you read this chapter TR-064 TR-064 is a LAN-Side CPE Configuration protocol.
  • Page 200: The Remote Mgmt Screen

    Chapter 20 Remote MGMT 20.2 The Remote MGMT Screen Use this screen to decide what services you may use to access which LTE Device interface. Click Maintenance > Remote MGMT to open the following screen. Figure 131 Maintenance > Remote MGMT The following table describes the fields in this screen.
  • Page 201: Snmp

    HAPTER SNMP 21.1 Overview This chapter explains how to configure the SNMP settings on the LTE Device. 21.2 The SNMP Screen Simple Network Management Protocol is a protocol used for exchanging management information between network devices. Your LTE Device supports SNMP agent functionality, which allows a manager station to manage and monitor the LTE Device through the network.
  • Page 202 Chapter 21 SNMP The managed devices contain object variables/managed objects that define each piece of information to be collected about a device. Examples of variables include such as number of packets received, node port status etc. A Management Information Base (MIB) is a collection of managed objects.
  • Page 203: System

    HAPTER System 22.1 Overview You can configure system settings, including the host name, domain name and the inactivity time- out interval in the System screen. 22.1.1 What You Need to Know The following terms and concepts may help as you read this chapter. Domain Name This is a network address that identifies the owner of a network connection.
  • Page 204 Chapter 22 System The following table describes the labels in this screen. Table 90 Maintenance > System LABEL DESCRIPTION Host Name Choose a descriptive name for identification purposes. It is recommended you enter your computer’s “Computer name” in this field. This name can be up to 30 alphanumeric characters long.
  • Page 205: Time Setting

    HAPTER Time Setting 23.1 Overview You can configure the system’s time and date in the Time Setting screen. 23.2 The Time Setting Screen To change your LTE Device’s time and date, click Maintenance > Time. The screen appears as shown. Use this screen to configure the LTE Device’s time based on your local time zone. Figure 135 Maintenance >...
  • Page 206 Chapter 23 Time Setting Table 91 Maintenance > System > Time Setting (continued) LABEL DESCRIPTION Daylight Savings Daylight saving is a period from late spring to early fall when many countries set their clocks ahead of normal local time by one hour to give more daytime light in the evening.
  • Page 207: Log Setting

    HAPTER Log Setting 24.1 Overview You can configure where the LTE Device sends logs and which logs and/or immediate alerts the LTE Device records in the Log Setting screen. 24.2 The Log Setting Screen To change your LTE Device’s log settings, click Maintenance > Log Setting. The screen appears as shown.
  • Page 208 Chapter 24 Log Setting The following table describes the fields in this screen. Table 92 Maintenance > Log Setting LABEL DESCRIPTION Syslog Setting Syslog Logging The LTE Device sends a log to an external syslog server. Select the Enable check box to enable syslog logging.
  • Page 209: Firmware Upgrade

    HAPTER Firmware Upgrade 25.1 Overview This chapter explains how to upload new firmware to your LTE Device. You can download new firmware releases from your nearest ZyXEL FTP site (or www.zyxel.com) to use to upgrade your device’s performance. Only use firmware for your device’s specific model. Refer to the label on the bottom of your LTE Device.
  • Page 210 Chapter 25 Firmware Upgrade Table 93 Maintenance > Firmware Upgrade (continued) LABEL DESCRIPTION Browse... Click this to find the .bin file you want to upload. Remember that you must decompress compressed (.zip) files before you can upload them. Upload Click this to begin the upload process. This process may take up to three minutes. Upgrade Module Use these fields to upload firmware for the LTE Device’s LTE module.
  • Page 211: Backup/Restore

    HAPTER Backup/Restore 26.1 Overview The Backup/Restore screen allows you to backup and restore device configurations. You can also reset your device settings back to the factory default. 26.2 The Backup/Restore Screen Click Maintenance > Backup/Restore. Information related to factory defaults, backup configuration, and restoring configuration appears in this screen, as shown next.
  • Page 212 Chapter 26 Backup/Restore Restore Configuration Restore Configuration allows you to upload a new or previously saved configuration file from your computer to your LTE Device. Table 94 Restore Configuration LABEL DESCRIPTION File Path Type in the location of the file you want to upload in this field or click Browse ... to find it.
  • Page 213: The Reboot Screen

    Chapter 26 Backup/Restore Reset to Factory Defaults Click the Reset button to clear all user-entered configuration information and return the LTE Device to its factory defaults. The following warning screen appears. Figure 143 Reset Warning Message Figure 144 Reset In Process Message You can also press the RESET button on the back panel to reset the factory defaults of your LTE Device.
  • Page 214 Chapter 26 Backup/Restore LTE-5121 User’s Guide...
  • Page 215: Diagnostic

    HAPTER Diagnostic 27.1 Overview You can use different diagnostic methods to test a connection and see the detailed information. These read-only screens display information to help you identify problems with the LTE Device. 27.2 The Ping/TraceRoute Screen Ping and traceroute help check availability of remote hosts and also help troubleshoot network or Internet connections.
  • Page 216: Lte Diagnostic Screen

    Chapter 27 Diagnostic 27.3 LTE Diagnostic Screen Click Maintenance > Diagnostic > LTE to open the screen shown next. Figure 146 Maintenance > Diagnostic > LTE The following table describes the fields in this screen. Table 96 Maintenance > Diagnostic > LTE ITEM DESCRIPTION LTE Service...
  • Page 217: Troubleshooting

    HAPTER Troubleshooting 28.1 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 • LTE Device Access and Login • Internet Access • Wireless Internet Access •...
  • Page 218: Lte Device Access And Login

    Chapter 28 Troubleshooting Inspect your cables for damage. Contact the vendor to replace any damaged cables. Turn the LTE Device off and on. If the problem continues, contact the vendor. 28.3 LTE Device Access and Login I forgot the IP address for the LTE Device. The default IP address is 192.168.1.1.
  • Page 219 Chapter 28 Troubleshooting Reset the device to its factory defaults, and try to access the LTE Device with the default IP address. See Section 1.8 on page If the problem continues, contact the network administrator or vendor, or try one of the advanced suggestions.
  • Page 220: Internet Access

    Chapter 28 Troubleshooting 28.4 Internet Access I cannot access the Internet. Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick Start Guide and Section 1.7 on page Make sure you entered your ISP account information correctly. These fields are case-sensitive, so make sure [Caps Lock] is not on.
  • Page 221: Wireless Internet Access

    Chapter 28 Troubleshooting • Check the settings for QoS. If it is disabled, you might consider activating it. If it is enabled, you might consider raising or lowering the priority for some applications. 28.5 Wireless Internet Access What factors may cause intermittent or unstabled wireless connection? How can I solve this problem? The following factors may cause interference: •...
  • Page 222: Phone Calls And Voip

    Chapter 28 Troubleshooting • WEP: Wired Equivalent Privacy (WEP) encryption scrambles the data transmitted between the wireless stations and the access points to keep network communications private. 28.6 Phone Calls and VoIP The telephone port won’t work or the telephone lacks a dial tone. Check the telephone connections and telephone wire.
  • Page 223: Upnp

    Chapter 28 Troubleshooting 28.8 UPnP When using UPnP and the LTE Device reboots, my computer cannot detect UPnP and refresh My Network Places > Local Network. Disconnect the Ethernet cable from the LTE Device’s LAN port or from your computer. Re-connect the Ethernet cable.
  • Page 224 Chapter 28 Troubleshooting LTE-5121 User’s Guide...
  • Page 225: Appendix A Legal Information

    ZyXEL Communications Corporation. Published by ZyXEL Communications Corporation. All rights reserved.
  • Page 226 Appendix A Legal Information applications. For outdoor use, only 2400-2454 MHz frequency band may be used. For the latest requirements, see http://www.art-telecom.fr. CE Declaration of Conformity Complies with the essential requirements of Article 3 of the R&TTE 1999/5/EC Directive, if used for its intended use and the following standards have been applied: Health (Article 3.1(a) of the R&TTE Directive) Applied Standard(s):...
  • Page 227 Appendix A Legal Information Viewing Certifications Go to http://www.zyxel.com. Select your product on the ZyXEL home page to go to that product's page. Select the certification you wish to view from this page. ZyXEL Limited Warranty ZyXEL warrants to the original end user (purchaser) that this product is free from any defects in material or workmanship for a specific period (the Warranty Period) from the date of purchase.
  • Page 228 Appendix A Legal Information • Use ONLY an appropriate power adaptor or cord for your device. • Connect the power adaptor or cord to the right supply voltage (for example, 110V AC in North America or 230V AC in Europe). •...
  • Page 229: Index

    Index Index call rule call service mode call transfer ACK message call waiting activation media server certificate SSID factory default wireless LAN certificates scheduling administrator password replacing storage space thumbprint algorithms algorithms thumbprints applications trusted CAs 143, 147 Internet access verifying fingerprints media server Certification Authority, see CA...
  • Page 230 Index diagnostic flashing differentiated services fragmentation threshold Differentiated Services, see DiffServ Diffie-Hellman key groups DiffServ (Differentiated Services) code points marking rule 113, 184 disclaimer G.168 DLNA Guide 72, 99 Quick Start DNS server address assignment documentation related domain name system, see DNS Domain Name System.
  • Page 231 Index definitions DMZ host how it works IPSec and USB printer traversal client list what it does MAC address negotiation mode LAN TCP/IP Network Address Translation, see NAT limitations non-proxy calls wireless LAN listening port Local Area Network, see LAN login passwords OK response...
  • Page 232 Index client identities INVITE request 103, 113, 183 number Quality of Service, see QoS proxy server Quick Start Guide 2, 23 redirect server register server servers service domain user agent RADIUS server SNMP 201, 202 Real time Transport Protocol, see RTP agents registration product...
  • Page 233 Index data fragment Web Configurator RTS/CTS web configurator passwords trademarks 48, 61 transport mode WEP Encryption trusted CAs, and certificates wireless LAN authentication tunnel mode 59, 60 Type of Service, see ToS example channel encryption example fragmentation threshold limitations Uniform Resource Identifier MBSSID Universal Plug and Play, see UPnP preamble...
  • Page 234 Index LTE-5121 User’s Guide...

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