Option Audio GlobeSurfer III Technical Reference Manual

GlobeSurfer

III

Technical Reference Manual

GlobeSurfer® III

Technical Reference M an ua l

All information about Option GlobeSurfer® III may change without prior notice. Information published in this reference manual is accurate at the time of publication. Although all security precautions were taken during the creation of this reference manual, Option is not liable toward persons or organizations for losses or damages caused either directly or indirectly due to instructions contained in this reference manual. All brands and registered brands are property of their respective owners. Services may be changed, added, or deleted. For the newest firmware version of your GlobeSurfer® III+, visit www.option.com

Questions and answers regarding the GlobeSurfer® III+ can be found on our Support website:

http://www.option.com/en/support/faq/

Technical questions can be posted after registering through our online SupportWeb Form:

http://www.option.com/en/support/support-ticketing-system/

For registering please go to:

http://support.option.com/support/register.php

March 2012

Table of Contents

1. Introduction to GlobeSurfer® III ................................................................................................... 8

2. Setup ............................................................................................................................................... 9

2.1. Setting up WAN and LAN connections ............................................................................................ 9

2.2. PC Network Conﬁguration ................................................................................................................ 9

3. GlobeSurfer® III Management Console ........................................................................................ 12

3.1. Accessing the GlobeSurfer® III Management Console .................................................................... 12

3.2. Menu System .................................................................................................................................... 12

3.3. Managing Tables .............................................................................................................................. 13

4. Home .............................................................................................................................................14

4.1. Overview ........................................................................................................................................... 14

4.2. Map View .......................................................................................................................................... 14

4.3. GlobeSurfer® III Installation Wizard ............................................................................................... 15

4.3.1. Installation Wizard: Language..................................................................................................... 16

4.3.2. Installation Wizard: Telephony ................................................................................................... 16

4.3.3. Installation Wizard: UMTS .......................................................................................................... 17

4.3.4. Installation Wizard: Wireless ...................................................................................................... 18

4.3.5. Installation Wizard: Wireless Encryption ................................................................................... 19

4.3.6. Installation Wizard: Firewall Policy ........................................................................................... 20

4.3.7. Installation Wizard: Finish .......................................................................................................... 22

5. Quick Setup .................................................................................................................................. 23

6. Internet Connection .................................................................................................................... 25

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6.1. General .............................................................................................................................................. 25

6.2. Settings ............................................................................................................................................ 26

6.3. Routing ............................................................................................................................................. 27

6.4. Connection Watchdog .................................................................................................................... 28

6.5. Remote SMS Control ....................................................................................................................... 28

6.6. Advanced ......................................................................................................................................... 29

7. Local Network ............................................................................................................................... 31

7.1. Overview ........................................................................................................................................... 31

7.2. Device................................................................................................................................................ 32

7.3. Wireless ............................................................................................................................................ 32

7.3.1. Overview ....................................................................................................................................... 33

7.3.2. Settings .........................................................................................................................................34

7.3.3. Advanced ...................................................................................................................................... 35

7.4. Shared Storage/Disk Management .................................................................................................. 37

7.4.1. RAID Properties ...........................................................................................................................38

7.5. Shared Printers/Print Server ........................................................................................................... 39

8. Services ......................................................................................................................................... 40

8.1. Overview .......................................................................................................................................... 40

8.2. Firewall............................................................................................................................................. 40

8.2.1. Overview ...................................................................................................................................... 42

8.2.2. Access Control ............................................................................................................................. 44

8.2.3. Port Forwarding ........................................................................................................................... 53

8.2.4. DMZ Host .................................................................................................................................... 56

8.2.5. Port Triggering ............................................................................................................................ 58

8.2.6. Website Restrictions .................................................................................................................... 61

8.2.7. NAT .............................................................................................................................................. 64

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8.2.8. Connections ................................................................................................................................. 68

8.2.9. Advanced Filtering ...................................................................................................................... 69

8.2.10. Log ................................................................................................................................................ 75

8.3. VPN/Internet Protocol Security (IPSec) ......................................................................................... 80

8.3.1. Internet Protocol Security (IPSec) Settings ................................................................................ 81

8.3.2. IPSec Log Settings ........................................................................................................................ 81

9. System ........................................................................................................................................... 83

9.1. Overview ...........................................................................................................................................83

9.2. System Settings ................................................................................................................................ 84

9.2.1. Overview/System Settings .......................................................................................................... 84

9.2.2. Date and Time ............................................................................................................................. 87

9.3. Users................................................................................................................................................. 89

9.3.1. User Settings ................................................................................................................................ 90

9.3.2. Group Settings ............................................................................................................................. 92

9.4. Network Connections...................................................................................................................... 92

9.4.1. Connection Wizard ..................................................................................................................... 94

9.4.2. LAN Bridge .................................................................................................................................. 97

9.4.3. LAN Ethernet .............................................................................................................................. 105

9.4.4. LAN Wireless .............................................................................................................................. 107

9.4.5. WAN Cellular .............................................................................................................................. 114

9.4.6. Configuring your Wireless Windows® XP clients ....................................................................... 118

9.5. Monitor ............................................................................................................................................ 121

9.5.1. Network Connection ................................................................................................................... 121

9.5.2. CPU ............................................................................................................................................. 122

9.5.3. System Log ...................................................................................................................................123

9.6. Routing ........................................................................................................................................... 124

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9.6.1. General/Routing ......................................................................................................................... 124

9.6.2. BGP and OSPF ............................................................................................................................ 127

9.6.3. PPPoE Relay ................................................................................................................................ 128

9.7. Management ................................................................................................................................... 128

9.7.1. Universal Plug and Play ............................................................................................................. 128

9.7.2. Simple Network Management Protocol (SNMP) ...................................................................... 129

9.7.3. Remote Administration .............................................................................................................. 131

9.8. Maintenance .................................................................................................................................... 133

9.8.1. About GlobeSurfer® III ................................................................................................................ 133

9.8.2. Configuration File ...................................................................................................................... 134

9.8.3. Reboot .......................................................................................................................................... 135

9.8.4. Restore Factory Settings.............................................................................................................. 135

9.8.5. Firmware upgrade ...................................................................................................................... 136

9.8.6. Diagnostics ..................................................................................................................................137

9.9. Objects and Rules ........................................................................................................................... 138

9.9.1. Protocols ..................................................................................................................................... 138

9.9.2. Network Objects ........................................................................................................................ 143

9.9.3. Scheduler Rules .......................................................................................................................... 146

9.9.4. Certificates .................................................................................................................................. 148

10. Shortcuts ..................................................................................................................................... 158

11. Telephone ................................................................................................................................... 160

11.1. Missed calls ..................................................................................................................................... 160

11.2. Incoming calls ................................................................................................................................. 160

11.3. Outgoing calls .................................................................................................................................. 161

11.4. Telephone settings .......................................................................................................................... 161

11.5. Call Forwarding .............................................................................................................................. 162

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11.6. Call Waiting .................................................................................................................................... 163

11.7. Caller ID .......................................................................................................................................... 164

11.8. SIM setup ........................................................................................................................................ 164

11.8.1. SIM PIN change .......................................................................................................................... 165

11.8.2. SIM PIN enable ........................................................................................................................... 166

11.8.3. SIM PIN2 change ........................................................................................................................ 166

11.8.4. Unlock device ............................................................................................................................. 166

12. SMS............................................................................................................................................... 167

12.1. SMS Create ...................................................................................................................................... 168

12.2. Inbox ............................................................................................................................................... 169

12.3. Outbox ............................................................................................................................................ 170

12.4. Sent ................................................................................................................................................. 170

12.5. Drafts .............................................................................................................................................. 170

12.6. Templates ........................................................................................................................................ 171

12.7. Archive ............................................................................................................................................. 171

12.8. SIM card ........................................................................................................................................... 171

12.9. Settings ........................................................................................................................................... 172

2 List of Acronyms .......................................................................................................................... 173

3 Glossary ....................................................................................................................................... 175

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1. Introduction to GlobeSurfer® III

Within minutes, you can connect to your mobile network and use a wireless connection to the Internet through the mobile network. GlobeSurfer® III is compatible with GSM and 3G mobile networks and supports GPRS, EDGE, UMTS and HSDPA technologies.

Tip: To achieve the best possible reception, check the signal strength on the display of the unit (the more bars the better the reception). You may find that placing the unit near a window provides the best reception.

Simple set-up

GlobeSurfer® III provides you with a quick installation and set-up that gets you easily and quickly connected to the Internet. You can use an Internet browser (e.g. Microsoft¨ Internet Explorer 6.0 or Firefox¨ 1.5) and most personal computers, including Windows¨, Macintosh¨ and Linux¨. The ‘Quick Setup Wizard’ introduces you to the basic settings that need to be configured for use with the mobile network. Once you have configured, you can review and enable customised wireless security settings.

Instant protection

Your GlobeSurfer® III supports Network Address Translation (NAT). This network service hides the computers in your network so they cannot be found or directly accessed from outside your network. A firewall is also included which, by default, blocks incoming traffic and allows outgoing traffic.

Additional security

GlobeSurfer® III supports both Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access (WPA and WPA2) to protect your network data. Security logs keep you aware of potential security risks and intrusion attempts. You can view logs online or via email.

Stay in touch

You can use GlobeSurfer® III to send and receive SMS text messages. The display on the front of the unit lets you know when a new SMS arrives. You can use GlobeSurfer® III to make mobile phone calls. When you get a phone call the display shows the caller’s number and indicates missed calls.

Important note

To protect your network from unauthorised access, and to make it more difficult for hackers to analyse your data, please configure the WLAN security settings and enable WEP, WPA or WPA2 encryption on your GlobeSurfer® III.

About This Manual

This manual describes configuration and operation of GlobeSurfer® III. It is intended as a complement to the GlobeSurfer® III User Guide to provide reference information for the advanced user of the GlobeSurfer® III. It is assumed that the hardware installation of GlobeSurfer® III has been done when the Reference Manual is read. This version of the manual is valid for GlobeSurfer® III.

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2. Setup

Connecting your computer or home network to the gateway is a simple procedure, varying slightly depending on your operating system. This chapter will help you to seamlessly integrate GlobeSurfer® III with your computer or home network. The Windows default network settings dictate that in most cases the setup procedure described below will be unnecessary. For example, the default DHCP setting in Windows 2000 is client, requiring no further modiﬁcation. However, it is advised to follow the setup procedure described below to verify that all communication parameters are valid and that the physical cable connections are correct. The setup procedure consists of three consecutive conﬁguration stages:

• Setting up WAN and LAN connections (see section 2.1)

• PC Network Conﬁguration (see section 2.2)

• GlobeSurfer® III Quick Setup (see section 4.3)

2.1. Setting up WAN and LAN connections

• WAN Connection: setting up the WAN connection requires that a SIM card is inserted correctly into

the SIM slot of the GlobeSurfer® III. See the User Guide for instructions on how to insert the SIM card. With the SIM card in place you configure the WAN connection through the Quick Setup of GlobeSurfer® III (see section 4.3). The first time you login to GlobeSurfer® III you will have to enter a PIN code. The PIN code is received from your ISP, but normally provided separately from the SIM card for security reasons.

• LAN Connection: your computer can connect to the gateway in two ways, either through Ethernet

or through the use of Wireless. The most common type of connection is Ethernet, with most platforms featuring four such ports. Use an Ethernet cable to connect between an Ethernet port on your gateway and your computer’s network card. Please refer to the accompanying Installation Guides for additional information.

2.2. PC Network Conﬁguration

Each network interface on the PC should either be conﬁgured with a statically deﬁned IP address and DNS address, or should be instructed to automatically obtain an IP address using the Network DHCP server. GlobeSurfer® III provides a DHCP server on its LAN and it is recommended to conﬁgure your LAN to obtain its IP and DNS server IPs automatically. This conﬁguration principle is identical but performed differently on each operating system.

The following screen displays the TCP/IP Properties dialog box as it appears in Windows XP. Following are TCP/IP conﬁguration instructions for all supported operating systems.

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Windows XP

• Access Network Connections from the Control Panel.

• Right-click the Ethernet connection icon, and select Properties.

• Under the General tab, select the Internet Protocol (TCP/IP) component, and press the Properties

button.

• The Internet Protocol (TCP/IP) properties window will be displayed.

• Select the Obtain an IP address automatically radio button.

• Select the Obtain DNS server address automatically radio button.

• Click OK to save the settings.

Windows 2000/98/Me

• Access Network and Dialing Connections from the Control Panel.

• Right-click the Ethernet connection icon, and select Properties to display the connection’s

properties.

• Select the Internet Protocol (TCP/IP) component, and press the Properties button.

• The Internet Protocol (TCP/IP) properties will be displayed.

• Select the Obtain an IP address automatically radio button.

• Select the Obtain DNS server address automatically radio button.

• Click OK to save the settings.

Windows NT

• Access Network from the Control Panel.

• From the Protocol tab, select the Internet Protocol (TCP/IP) component, and press the Properties

button.

• From the IP Address tab select the Obtain an IP address automatically radio button.

• From the DNS tab, verify that no DNS server is deﬁned in the DNS Service Search Order box and no

sufﬁx is deﬁned in the Domain Sufﬁx Search Order box.

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Linux

• Login into the system as a super-user, by entering su at the prompt.

• Type ifconﬁg to display the network devices and allocated IP addresses.

• Type pump -i <dev>, where <dev> is the network device name.

• Type ifconﬁg again to view the new allocated IP address.

• Make sure no ﬁrewall is active on device <dev>.

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3. GlobeSurfer® III Management Console

The GlobeSurfer® III management console described here allows you to control various GlobeSurfer® III system parameters, using a user-friendly graphical interface. The management console includes a connection status screen, a quick setup screen, network configuration, security configuration, authentication with multiple-user support, connection monitoring and more.

3.1. Accessing the GlobeSurfer® III Management Console

To access the management console:

• Launch a Web-browser on a PC in the LAN or WLAN.

• Type the IP address of the GlobeSurfer® III or a name as provided by the supplier in the address bar

(Internet Explorer) or location bar (Netscape Navigator). The default IP address is 192.168.1.1, and default name is http://umts-gateway.mydomain.

• Enter your username and password to log on to the web-based management console.

Your session will automatically time-out after a few minutes of inactivity. If you try to operate the management console after the session has expired the Login screen will appear and you will have to reenter your user name and password before proceeding. This feature helps to prevent unauthorised users from accessing the management console and changing the GlobeSurfer® III settings.

3.2. Menu System

The GlobeSurfer® III management console screens have been grouped into several subject areas and may be accessed by clicking on the appropriate icon in the top menu.

The subject areas are:

• Home: displays an overview of the status of the Internet Connection, Local Network, Storage,

Printers and Services (see section 4)

• Quick Setup: quick access to basic configuration settings (see section 5)

• Internet Connection: configure internet connections (see section 6)

• Local Network: configure local network, storage and printer settings (see section 7)

• Services: configure Firewall, Print Server, Personal Domain Name, File Server and IPSec settings (see

section 8)

• System: configure system settings (see section 9)

• Shortcuts: displays icons to enable quick and easy access to all areas (see section 10)

• Telephone: manage your telephony options (see section 11)

• SMS: manage your SMS messages (see section 12)

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3.3. Managing Tables

Tables are used throughout the GlobeSurfer® III management console. They handle user-defined entries relating to elements such as network connections, local servers, restrictions and configurable parameters. The principles outlined in this section apply to all tables in the management console.

In a typical table each row defines an entry in the table. The following icons located in the Action column enable adding, editing and deleting table entries:

Click the Add icon to add an entry of the same type as on that row.

Click the Edit icon to edit the entry on that row.

Click the Delete icon to remove the entry on that row.

Click the Move Down icon to move an entry down.

Click the Move Up icon to move an entry up.

In many tables the last row includes a link that allows adding a new entry to the table.

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4. Home

From this screen you can click on the tabs at the top left hand side to route to the following screens:

• Overview - status of Internet Connection/Local Network/Storage/Printers/Services (see section 4.1)

• Map View - pictorial overview of all components connected to GlobeSurfer® III (see section 4.2)

• Installation Wizard - guides you through the main settings for your GlobeSurfer® III (see section 4.3)

• Quick Setup - routes directly to the Quick Setup area to change the main settings (see section 5)

4.1. Overview

This screen displays an overview of the status of the Internet Connection, Local Network, Storage, Printers and Services available to you with GlobeSurfer® III. For details of each component you can easily drill down by clicking on the area.

4.2. Map View

This screen shows a pictorial overview of all components currently connected to your GlobeSurfer® III including the firewall and all networks including wireless networks. For details of each component you can easily drill down by clicking on the component icon.

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4.3. GlobeSurfer® III Installation Wizard

The GlobeSurfer® III management console allows you to control various GlobeSurfer® III system parameters. The interface is accessed through a web browser:

• Start a web browser on your PC.

• Enter the address 192.168.1.1 to display the GlobeSurfer® III management console. When first

logging on to the management console, the Login screen will appear. Configure your language settings and enter a password. To verify correctness retype the password, and click OK to login to the management console. For security reasons it is strongly recommended that you specify a password. However, make sure you remember your new user name and password, since this is the only way you will be able to login to the GlobeSurfer® III from now on.

• After choosing your password and clicking OK you will be forwarded to the Installation Wizard page.

Click OK to continue the Installation Wizard.

• The Installation Wizard helps you to quickly set the most important settings of your GlobeSurfer® III.

If you would like to complete the Installation without using the Wizard just click Cancel. Alternatively, click the Quick Setup icon on the left sidebar, after login in. The following sections describe the various configuration parameters of Installation. Once you have filled the Installation sections as described below, click the OK button to configure your GlobeSurfer® III.

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4.3.1. Installation Wizard: Language

Select the language and time zone you would like to use on the GlobeSurfer® III Management Console and Display.

4.3.2. Installation Wizard: Telephony

Select the country for your telephone handset. This will adapt the telephone connector of GlobeSurfer® III to work with your handset.

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4.3.3. Installation Wizard: UMTS

Check or change the following settings on the Installation screen to configure the UMTS connection:

Access point name: enter the access point name as provided by your Internet Service Provider (ISP), or accept the name already set.

UMTS connect method:

• Connect Manually: connect to the Internet by clicking Connect on the Connection Status page in

the management console or press the Connect button on the GlobeSurfer® III unit.

• Automatically connect upon traffic: GlobeSurfer® III will automatically connect when you

attempt to send data via the Internet.

• Always connected: GlobeSurfer® III will connect to the internet when possible and will remain

connected.

In case of inactivity, disconnect after (minutes): the default is zero (0), meaning UMTS will stay connected until manually disconnected. The maximum is 1440 minutes (24hrs). Note: Incoming traffic is treated as inactivity.

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4.3.4. Installation Wizard: Wireless

SSID: the Service Set Identifier: enter a name for your local wireless network (WLAN) (maximum 32 characters). Note: Setting the SSID to something unique will make it much easier to identify your own wireless network, especially if there are other wireless networks available in the nearby area.

SSID broadcast: if you set the Enabled checkbox to broadcast, then other devices can detect and connect to your WLAN. Clear the checkbox to disable broadcasting and hide the name of your network. This provides minimal security, as other devices have to know the SSID to connect. You can install the WLAN with this feature enabled and then disable it once you have set up GlobeSurfer® III and its associated wireless clients.

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4.3.5. Installation Wizard: Wireless Encryption

In order to prohibit unauthorized access to your GlobeSurfer® III, make sure to apply sufficient security and encryption on your wireless network.

If WPA2 is supported by your wireless clients it is recommended to apply WPA2 encryption to your wireless network as it offers the highest level of security.

Depending on your choice of security method, the Wireless Encryption page will refresh with relevant configuration choices. Unless No Encryption is selected you will be asked to enter an encryption key in either HEX or ASCII format. HEX format requires a hexadecimal key (0-9, a-f) of various length depending on your selection. An ASCII key consists of a pass-phrase of various length that will be translated by the GlobeSurfer® III¨ II into a HEX key. Using an ASCII key could be easier to remember than a HEX key, but in some cases there are compatibility issues between different vendors of wireless equipment. Hence, if you are experiencing problems when using ASCII key, try to use HEX keys instead.

Available choices are:

• None/No encryption: this option is not recommended except during installation of your

network.

• WPA: Wi-Fi Protected Access is a 256-bit encryption method with keys that change automatically

over time.

• WPA2: a more secure version of WPA with implementation of the 802.11i standard.

• WPA and WPA2: allows both options

• 802.1X WEP: Wireless Equivalent Privacy is a 40-bit or 104-bit encryption method with user

configurable fixed keys. 802.1X indicates RADIUS support.

• WEP/Non-802.1X WEP: like 802.1X WEP but without RADIUS support.

• Authentication Only: authentication by physical MAC address.

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Note: WPA/WPA2 is recommended as it provides the higher level of security due to the longer key that changes automatically. You must configure your wireless PC clients to use the same encryption type and keys. Otherwise the devices will not understand each other. Enabling wireless encryption has no security effect on wired (Ethernet) connections.

Configuring WEP: select the desired level (104-bit provides higher security). Enter the Pre-Shared key in hexadecimal (10 or 26 characters), or in plain text (ASCII) format (5 or 13 characters).

Configuring WPA/WPA2: enter the Pre-Shared key as a plain text (ASCII) pass-phrase of at least 8 characters. Note: not all wireless client equipment supports ASCII-text format. If you are experiencing problems, use the hexadecimal key format since most vendors support it.

4.3.6. Installation Wizard: Firewall Policy

The GlobeSurfer® III has three different predefined Firewall Policies:

• Minimum Security: lowest level of firewall security allowing both incoming and outgoing traffic.

• Typical Security: offers some firewall security, but is still open for all connections initiated from

clients connected to the GlobeSurfer® III.

• Maximum Security: highest level of firewall security where only most commonly used protocols

are allowed also for local clients trying to connect to the Internet.

To learn more about these predefined security levels, please refer to section 8.2. It is also possible to add more advanced firewall policies than these three predefined levels.

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4.3.7. Installation Wizard: Finish

The last page of the Installation Wizard shows all the settings made on previous pages. If they all look correct, press the Finish button to apply these settings.

If you want to change any settings, use the Back button to navigate to the appropriate page and modify that setting.

Press the Exit button if you want to quit the Installation Wizard without applying any new changes.

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5. Quick Setup

You can use the Quick Setup screen to change the main settings needed to use GlobeSurfer® III:

Web interface and display

• Language: select the language for GlobeSurfer® III. The current language setting will be restored

if you do not apply the settings.

Telephony

• Caller ID: select the country for the telephone handset interface, options available are:

• ETSI DTMF

• ETSI FSK ring pulse

• ETSI FSK dualtone

• ETSI FSK Line reversal + dualtone

• ETSI FSK during ring

• Bellcore

• Australia

UMTS

• Access point name: as provided by your mobile operator

• UMTS connect method: radio button with the following choices:

• Connect Manually: connect to the Internet by clicking Connect on the Connection Status page in

the management console or press the Connect button on GlobeSurfer® III

• Automatically connect upon traffic: GlobeSurfer® III will automatically connect when you

attempt to send data via the Internet

• Always connected: GlobeSurfer® III will stay connected

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• In case of inactivity, disconnect after (minutes): The default is 10 minures. Set it to zero (0) if

you want the UMTS to stay connected. The maximum is 1440 minutes (24 hours). Incoming traffic is treated as inactivity.

Wireless The following settings are the most important for the local Wireless LAN:

• Wireless: click on the Enabled checkbox to enable this function

• SSID: the Service Set Identifier – enter a name for your local wireless network (WLAN)

• SSID Broadcast

Press the OK button to apply changes and go back to the previous screen. Press the Cancel button to reject changes and go back to the previous screen.

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6. Internet Connection

The WAN Cellular connection connects GlobeSurfer® III to the Internet and other networks through GSM or UMTS mobile telecommunications standards. The WAN Cellular Properties screen displays a summary of the connection.

From this screen you can click on the tabs at the top left hand side to route to the following detailed screens:

• General - summary of wireless connection (see section 6.1)

• Settings - general communications parameters (see section 6.2)

• Routing - sets static or dynamic routing options (see section 6.3)

• Advanced - activate firewall for network connection (see section 6.6)

6.1. General

The WAN Cellular connection connects the GlobeSurfer® III to the Internet and other networks through the GSM and UMTS mobile telecommunications standards. The WAN Cellular Properties screen displays a summary of the connection properties.

Press the OK button to apply changes and go back to the previous screen. Press the Apply button to apply changes and stay on this screen. Press the Cancel button to reject changes and go back to the previous screen.

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6.2. Settings

The top part of the configuration window displays general communication parameters. It is not recommended to change the default values in this screen unless you are familiar with the networking concepts they represent. Since your gateway is configured to operate with the default values, no parameter modification is necessary.

You can configure the following general connection settings:

• MTU: this is the Maximum Transmission Unit. It specifies the largest packet size permitted for

Internet transmission. Manual, allows you to enter the largest packet size that will be transmitted. The recommended size, is 1492. You should leave this value in the 1200 to 1500 range. To have the gateway select the best MTU for your Internet connection, select Automatic (default setting).

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6.3. Routing

You can choose to setup your gateway to use static or dynamic routing. Dynamic routing automatically adjusts how packets travel on the network, whereas static routing specifies a fixed routing path to neighbouring destinations.

You can configure the following routing settings:

• Routing Mode: select one of the following routing modes:

• Route: use route mode if you want your GlobeSurfer® III to function as a router between

two networks.

• NAPT: Network Address and Port Translation (NAPT) refers to network address translation

involving the mapping of port numbers, allowing multiple machines to share a single IP address. Use NAPT if your LAN encompasses multiple devices, a topology that necessitates port translation in addition to address translation.

• Device metric: this is a value used by the gateway to determine whether one route is superior to

another, considering parameters such as bandwidth, delay, and more.

• Default Route: select this checkbox to define this device as the default route.

• Multicast - IGMP Proxy Default: IGMP proxy enables the system to issue IGMP host messages on

behalf of hosts that the system discovered through standard IGMP interfaces. IGMP proxy enables the routing of multicast packets according to the IGMP requests of LAN devices asking to join multicast groups. Select the checkbox to enable this feature.

• Routing Information Protocol (RIP): select this checkbox to enable the Routing Information

Protocol (RIP). RIP determines a route based on the smallest hop count between source and destination.

• Routing Table: allows you to add or modify routes when this device is active. Use the New Route

button to add a route or edit existing routes.

Press the OK button to apply changes and go back to the previous screen.

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Press the Apply button to apply changes and stay on this screen. Press the Cancel button to reject changes and go back to the previous screen.

6.4. Connection Watchdog

When this feature is enabled and the Watchdog timeout duration is set, the GlobeSurfer will do periodic DNS queries to the DNS server to resolve pre-defined websites e.g. www.option.com, www.google.com,

www.microsoft.com. If the DNS query does not get resolved, the device will force a reset of the WWAN modem

and will try to re-establish the connection.

To enable the Connection Watchdog feature, check the 3G Connection watchdog checkbox and set the frequency of the DNS query by setting the Watchdog timeout duration. A duration of 60 seconds is suggested for this setting.

If the device is already set in Failover mode, this feature will automatically be deactivated.

6.5. Remote SMS Control

The GlobeSurfer can be set to receive SMS commands from pre-defined phone numbers to execute certain tasks.

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To enable the SMS Control feature, check the SMS Control Center checkbox and define a valid phone number. The phone number has to be in international format with the country prefix preceded by a ‘+’. e.g. +32475123456 for Belgium where 32 is the country prefix of Belgium.

Multiple phone numbers can be defined for this feature. The phone numbers have to be separated by a comma ‘,’.

SMS commands

SMS commands have to be in simple US characters with no space or other characters before or after the command itself.

REBOOT

The GlobeSurfer will do a power reboot.

CONNECT

If the device is set at ‘Manual Connect’ or ‘Connect Upon Traffic’ and the connection is off, this command will make a connection and change the connection state to ‘Connected’.

DISCONNECT

If the device is set at ‘Manual Connect’ or ‘Connect Upon Traffic’ and the connection is on, this command will make a disconnection and change the connection state to ‘Disconnect’.

6.6. Advanced

Your gateway's firewall helps protect your computer by preventing unauthorized users from gaining

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access to it through a network such as the Internet. The firewall can be activated per network connection.

To enable the firewall on this network connection, select the Enabled checkbox. To learn more about your gateway's security features, please refer to section 8.2.

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Option Audio GlobeSurfer III Technical Reference Manual

Specifications and Main Features

Frequently Asked Questions

User Manual