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   Summary of Contents for Siemens gigaset SE551

  • Page 3: Table Of Contents

    Back panel ............17 Setting up the Gigaset SE551 WLAN dsl/cable ......18 Connecting the Gigaset SE551 WLAN dsl/cable .
  • Page 4 Synchronising the TCP/IP settings with the Gigaset SE551 WLAN dsl/cable ..49 Checking the connection to the Gigaset SE551 WLAN dsl/cable ....50 The user interface .
  • Page 5 Repeater function (WDS) ......... . . 108 USB .
  • Page 6 Contents Appendix ....... . . 147 Trouble shooting ........... . 147 Specifications .
  • Page 7: Safety Precautions

    Safety precautions Only use the mains adapter (12V 1A DC) that is supplied with the Gigaset SE551 WLAN dsl/cable. Comply with the connection values and ratings when connecting the device to the mains power supply. Protect the device from damp.
  • Page 8: The Gigaset Se551 Wlan Dsl/cable

    A single user account can be shared if your Internet Provider permits this. If you want to surf the Internet at the lowest possible cost, then the Gigaset SE551 WLAN dsl/cable is a convenient and effective solution. You can connect a or cable modem to the WAN interface of your Gigaset SE551 WLAN dsl/cable.
  • Page 9: Local Networks With Gigaset Products

    Gigaset SE551 WLAN dsl/cable Windows ME Windows XP There are various ways in which you can set up the network with a Gigaset SE551 WLAN dsl/cable. You can set up a wired local network (Ethernet) and allow the connected PCs access to the Internet (see page 8).
  • Page 10: Wired Local Network (ethernet)

    For older PCs you need to install an Ethernet network card. The PC and the Ethernet LAN socket on the Gigaset SE551 WLAN dsl/cable are connected using an Ethernet cable (CAT5). There is one supplied. You can obtain additional Ethernet cables from your retailer.
  • Page 11: Wireless Local Network (wlan)

    Gigaset SE551 WLAN dsl/cable. In infrastructure mode the stations in the network always communicate via this access point. Each station that wants to be part of the wire- less network must first register with the access point before it can exchange data.
  • Page 12 Gigaset SE551 WLAN dsl/cable in infrastructure mode. The Gigaset SE551 WLAN dsl/cable forwards the data to the Internet via a DSL or cable modem. Data from the Internet flows back to the PC along the same route.
  • Page 13: Linking A Wireless Network (wlan) To An Ethernet (lan)

    Wireless local network (WLAN) The Gigaset SE551 WLAN dsl/cable has four Ethernet interfaces (LAN ports). Up to four PCs can be connected directly to these LAN ports. All PCs can access the Internet via the Gigaset SE551 WLAN dsl/cable.
  • Page 14: Features And Applications

    Standard IEEE 802.11 b or 802.11g. The Super G technology used enables a high transmission speed. Using a Gigaset SE551 WLAN dsl/cable makes it easy to set up a network at home or in small offices. For example, users can exchange data or share resources on the net- work, such as a file server or printer.
  • Page 15 Internet connections, which makes them 'invisible' on the Inter- net. The Gigaset SE551 WLAN dsl/cable only allows access from the Internet if it has been requested from the local network. With the firewall the Gigaset SE551 WLAN dsl/cable also offers comprehensive protection against hacker attacks.
  • Page 16: Procedure For Installation And Configuration

    To find out how to do this, refer to "Configuring the local network" on page 23. 4. In a wireless connection you establish the link from the PC's wireless network adapt- er to the Gigaset SE551 WLAN dsl/cable. This is described in the user guide for the network adapter.
  • Page 17: First Steps

    RJ-45 jacks (CAT5), one CD with full user guide and driver software for operating a network printer on the Gigaset SE551 WLAN dsl/cable via Windows 98 SE / ME, plus the document enti- tled "Gigaset WLAN. Practical tips",...
  • Page 18: Operating Displays And Connections

    State Power Flashing Online Status A device is connected to the Gigaset SE551 WLAN dsl/ cable via the USB port. There is no device connected. The Gigaset SE551 WLAN dsl/cable is connected to the power supply. The Gigaset SE551 WLAN dsl/cable is not connected to the power supply.
  • Page 19: Back Panel

    WLAN LAN1 – Flashing LAN4 Back panel The back panel of the Gigaset SE551 WLAN dsl/cable houses the sockets. Element Description 12 V DC Socket for the mains adapter supplied (12V 1A DC). Warning: Using the wrong power supply unit may damage the Gigaset SE551 WLAN dsl/cable.
  • Page 20: Setting Up The Gigaset Se551 Wlan Dsl/cable

    Do not site the device in the immediate vicinity of stereo equipment, TV sets or microwave ovens. This may cause interference. Position the Gigaset SE551 WLAN dsl/cable so that it is as near to the centre of your wireless network as possible. Make sure that where you position the Gigaset SE551 WLAN dsl/cable has optimum reception throughout the house or office.
  • Page 21: Connecting The Gigaset Se551 Wlan Dsl/cable

    Connecting the Gigaset SE551 WLAN dsl/cable Before starting to connect PCs to your Gigaset SE551 WLAN dsl/cable make sure that a wired or wireless Network adapter ing instructions that came with the adapter. The latest PCs and Notebooks have wired adapters built in at the factory.
  • Page 22: To The Pc

    First Steps To the PC You can connect wired or wireless PCs to your Gigaset SE551 WLAN dsl/cable to create a local network (LAN). Wireless A wireless connection is made using a wireless network adapter that must be installed in your PC. This can be, for example, a Gigaset PC Card 108, a Gigaset USB Adapter 108 or another Super G, 802.11g or 802.11b-compatible wireless network adapter.
  • Page 23 Wired ì Connect one of the LAN sockets (LAN1 – LAN4) on the back of the Gigaset SE551 WLAN dsl/cable to the Ethernet connection on a PC. To do this, use an Ethernet cable with RJ-45 jacks (CAT5). This can also be done with the supplied Ethernet cable.
  • Page 24: To The Mains Power Supply

    SSID as the Gigaset SE551 WLAN dsl/cable (see page 20). It can take a few sec- onds for the wireless connection to be established. The WLAN LED flashes when data is sent or received via this connection.
  • Page 25: Configuring The Local Network

    PCs that will communicate with each other via the Gigaset SE551 WLAN dsl/cable. In this section we assume that you will use the Gigaset SE551 WLAN dsl/cable's service. This means that the IP addresses are automatically assigned to the PCs (Dynamic IP addresses).
  • Page 26: Configuring The Network

    Configuring the local network Configuring the network Please remember: Make sure that the Use Windows to configure the settings function is deactivated. This can be done as follows: ì Click on Start – Settings – Control panel – Network connections – LAN or high-speed Internet.
  • Page 27 You will be prompted to select a connection method. ì Select Other Method and confirm with Next. You will now see a screen listing various connection methods. ì Select This computer connects directly to the Internet. The other computers on my network connect to the Internet through this computer and click on Next.
  • Page 28: Selecting A Computer Name And Workgroup

    Configuring the local network Selecting a computer name and workgroup You now have to specify a name for the PC and assign it to a workgroup. ì Enter the name the PC is to appear under in the network. This name must be unique within the network.
  • Page 29: Tcp/ip Settings

    TCP/IP settings TCP/IP-Protocol requires certain settings which you should now make or check so that it can function smoothly. ì Click on Start – Settings – Control Panel. ì Select Network Connections. Configuring the local network...
  • Page 30 Configuring the local network ì Double-click on the LAN connection with which you are connected to the Gigaset SE551 WLAN dsl/cable. ì Click on Properties.
  • Page 31 ì Select Internet protocol (TCP/IP) and click on Properties. ì If the Obtain an IP address automatically and Obtain DNS server address auto- matically options have already been activated, your PC is already configured for DHCP. Click on Cancel and close the following windows with OK to save your net- work configuration.
  • Page 32: Deactivating The Http Proxy

    Deactivating the HTTP proxy Make sure that the HTTP Proxy be deactivated so that your Web browser can access your Gigaset SE551 WLAN dsl/ cable's configuration pages. The following section describes the procedure for Internet Explorer and Mozilla Firefox. First decide which browser you are using and then follow the appropriate steps.
  • Page 33: Configuring The Popup Blocker

    Select Allow popups from this screen. ì Confirm the dialogue window by clicking on OK. The configuration pages for the Gigaset SE551 WLAN dsl/cable are now allowed as popups. You can make additional settings for popups within Internet Explorer via the Tools – Popup manager menu item or via Tools –...
  • Page 34: Synchronising Tcp/ip Settings With The Gigaset Se551 Wlan Dsl/cable

    ì Then enter the ipconfig /renew command and press the ENTER key. If the default IP address (192.168.2.1) of the Gigaset SE551 WLAN dsl/cable was not changed, the IP address should now read 192.168.2.x (with x being a number between 2 and 255). The Subnet Mask must always be 255.255.255.0 and the Default Gateway must have the IP address of the Gigaset SE551 WLAN dsl/cable (192.168.2.1).
  • Page 35: Network Configuration With Windows 2000

    Network configuration with Windows 2000 To integrate a PC with Windows 2000 into a network that is configured with a Gigaset SE551 WLAN dsl/cable you must carry out the following steps: 1. Install the network services (see below). 2. Select computer names and workgroup (see page 34).
  • Page 36: Selecting A Computer Name And Workgroup

    Configuring the local network ì Now select Networking services and click on Next. ì You will now be prompted to insert the Windows installation CD. Insert the WIN2000 CD and click on OK to install all the required components. Selecting a computer name and workgroup You now have to specify a name for the PC and assign it to a workgroup.
  • Page 37: Installing The Tcp/ip Protocol

    Installing the TCP/IP protocol TCP/IP protocol ensures that the PCs in the network can communicate with each other. You now have to install this Protocol. ì Right click to open the LAN connection. ì In the next window click on Properties. ì...
  • Page 38 Configuring the local network ì Now select Protocol and click on Add. ì In the Network protocol list, select Internet protocol (TCP/IP). ì Click on OK. The TCP/IP protocol is now shown in the Local Area Connection Properties win- dow.
  • Page 39: Tcp/ip Settings

    Configuring the local network TCP/IP settings The TCP/IP protocol requires certain settings which you must now make or check so that it can function smoothly.
  • Page 40 Configuring the local network ì Select Internet protocol (TCP/IP) and click on Properties. ì If the Obtain an IP address automatically and Obtain DNS server address auto- matically options have already been activated, your PC is already configured for DHCP. Click on Cancel and close the following windows with OK to save your net- work configuration.
  • Page 41: Deactivating The Http Proxy

    Deactivating the HTTP proxy Make sure that the HTTP Proxy be deactivated so that your Web browser can read your Gigaset SE551 WLAN dsl/cable's configuration pages. The following section describes the procedure for Internet Explorer and Mozilla Firefox. First decide which browser you are using and then follow the appropriate steps.
  • Page 42: Synchronising The Tcp/ip Settings With The Gigaset Se551 Wlan Dsl/cable

    You have now configured your PC so that it is ready to be connected to the Gigaset SE551 WLAN dsl/cable. You now have to release the old TCP/IP settings and synchronise them with the settings of your Gigaset SE551 WLAN dsl/cable.
  • Page 43: Network Configuration With Windows 98 Se, Me

    5. Deactivate the http proxy (see page 48). 6. Configuring the popup blocker (see page 48). 7. Synchronise the TCP/IP settings with the Gigaset SE551 WLAN dsl/cable (see page 49). Setting up a PC as the Client for Microsoft Networks Before the PCs on your network can work together, you have to configure them as a Microsoft Network Client.
  • Page 44: Selecting A Computer Name And Workgroup

    Configuring the local network ì Select Client as the network component type and click on Add. ì Under Manufacturers select Microsoft, and under Network Clients select Client for Microsoft Networks. ì Confirm this with OK. Selecting a computer name and workgroup You now have to specify a name for the PC and assign it to a workgroup.
  • Page 45: Installing The Tcp/ip Protocol

    Installing the TCP/IP protocol TCP/IP protocol ensures that the PCs in the network can communicate with each other. You must install this connection with the Gigaset SE551 WLAN dsl/cable. ì In the Network window, change from the Identification register to Configuration. ì...
  • Page 46: Making Tcp/ip Settings

    Configuring the local network Making TCP/IP settings The TCP/IP protocol requires certain settings which you will now make so that it can function smoothly. ì In the Network window, change to the Configuration tab. ì Select the TCP/IP > entry for your network card. ì...
  • Page 47 ì Open the IP address tab. ì If Obtain an IP address automatically has already been activated your PC is already configured for DHCP. Click on Cancel and close the following windows with OK to start your network configuration. You may be prompted to insert your Windows Installation CD. Follow the instruc- tions in the installation procedure.
  • Page 48 Configuring the local network ì Open the DNS Configuration tab.
  • Page 49 ì Select Disable DNS. ì Click on OK. ì Finish the network configuration with OK. You may be prompted to insert your Windows Installation CD. Follow the instruc- tions in the installation procedure. Once the copying procedure is completed, you will be prompted to reboot your sys- tem.
  • Page 50: Deactivating The Http Proxy

    Deactivating the HTTP proxy Make sure that the HTTP Proxy be deactivated so that your Web browser can access your Gigaset SE551 WLAN dsl/ cable's configuration pages. The following section describes the procedure for Internet Explorer and Mozilla Firefox. First decide which browser you are using and then follow the appropriate steps.
  • Page 51: Synchronising The Tcp/ip Settings With The Gigaset Se551 Wlan Dsl/cable

    ì Click on Release and then on Update. If the default IP address (192.168.2.1) of the Gigaset SE551 WLAN dsl/cable was not changed, the IP address should now read 192.168.2.x (with x being a number between 2 and 255). The Subnet Mask must always be 255.255.255.0 and the Default Gateway must have the IP address of the Gigaset SE551 WLAN dsl/cable (192.168.2.1).
  • Page 52: Checking The Connection To The Gigaset Se551 Wlan Dsl/cable

    If the command does not return any statistics, but ends with a time-out, this means that the components cannot communicate with each other. Check the following points: 1. Is the Ethernet cable between the Gigaset SE551 WLAN dsl/cable and the PC correct- ly connected or is there a wireless connection via a wireless network adapter? The LED display for the LAN connections on the Gigaset SE551 WLAN dsl/cable and link display for the network card in your PC must be illuminated.
  • Page 53: The User Interface

    Once you have configured the network settings on a PC in your local network, you can then use that PC to configure the Gigaset SE551 WLAN dsl/cable with the Gigaset SE551 WLAN dsl/cable's user interface. You can use any browser for the configuration, e.g.
  • Page 54: The Start Screen

    (see page 54), connect to the Internet (see page 122), open the Status menu to obtain status information about the Gigaset SE551 WLAN dsl/cable (see page 117), call up the wizard for the basic configuration: Basic Setup Wizard (see page 56),...
  • Page 55 Additional functions are offered in the Advanced Settings menu. For example, you can back up and restore your config- uration data, set up your Gigaset SE551 WLAN dsl/cable as a virtual server for your network, and much more. These config- uration steps are optional and can be carried out at a later stage.
  • Page 56: Selecting A Language

    The user interface Selecting a language The user interface can be presented in various languages. ì Click on Language on the top right above the screen. ì If you wish to change the preset language, select the required language from the list.
  • Page 57: Elements On The User Interface

    Next > at the bottom of the screen. The Back button returns you to the previous configuration step, and < Back returns you to the start screen. Buttons in the Advanced Settings menu Transfers the settings you have made to the Gigaset SE551 WLAN dsl/cable configuration. Cancel Deletes all the entries in a screen since the last time you clicked on OK.
  • Page 58: Basic Setup Wizard

    Basic Setup Wizard Basic Setup Wizard The Basic Setup Wizard guides you step by step through the general configuration of the Gigaset SE551 WLAN dsl/cable. This includes settings for your region and for your Inter- net access. Connection to the Internet PCs connected to it.
  • Page 59: Regional Options

    Regional Options On this screen you select your present location for the regional options. ì Select the country where you are currently located from the list. You can make the settings for the clock to change automatically to summer time and/or to the time zone as you wish.
  • Page 60: Configuring Internet Connection

    Basic Setup Wizard Configuring Internet connection You will find the access data you need for configuring the Internet connection in the documentation received from your ì Select your service provider from the Service provider selection menu. If your Inter- net provider is not included in the list, select the option Other. ì...
  • Page 61 ì Select how Internet sessions are to be established via Connection mode: – Select Always on if the connection is to exist at all times when the Gigaset SE551 WLAN dsl/cable is switched on. Please remember: If you have a time-based tariff this option can result in high connection charges.
  • Page 62: Summary

    If you want to carry this out at a later stage, deactivate the option I would like to run the Security Setup Wizard now. The Gigaset SE551 WLAN dsl/cable is now configured and ready to connect to the Inter- net.
  • Page 63: Security Settings

    The Security Setup Wizard offers you additional settings for improving your network security. You can assign a Password for configuring the Gigaset SE551 WLAN dsl/cable (see page 62), change the ID for your wireless network (SSID) (see page 63), set the...
  • Page 64: Assigning A Password

    Please remember: If you ever forget your Password you will have to reset your Gigaset SE551 WLAN dsl/cable (see page 17). Please bear in mind that this will restore all the settings to the factory configuration. No Password will be active either.
  • Page 65: Ssid

    SSID and deactivate SSID broadcast. If this option is enabled, the Gigaset SE551 WLAN dsl/cable will send the SSID in all data transmissions, and your Gigaset SE551 WLAN dsl/cable's SSID will be displayed on PCs that have a wireless network adapter.
  • Page 66: Setting Security Functions For The Wireless Network

    LAN. The Gigaset SE551 WLAN dsl/cable makes use of effective encryption methods to pre- vent unauthorised eavesdropping as far as possible. You can use the following security mechanisms:...
  • Page 67: Wpa2 / Wpa With Pre-shared Key (psk)

    WPA2 / WPA with Pre-shared key (PSK) is a more advanced procedure than WEP for protecting wireless networks. Dynamic keys based on TKIP (Temporal Key Integration Protocol) offer increased security. The new standard WPA2 uses AES for the encryption. WPA-PSK is a special WPA mode for users at home and in small companies without a company authentication server.
  • Page 68: Wep Encryption

    You can choose either the standard 64-bit key or the more robust 128-bit key for encryp- tion. The keys are generated in hexadecimal or in ASCII format. You must use the same keys for encryption and decryption for the Gigaset SE551 WLAN dsl/cable and all your wireless network adapters.
  • Page 69 When you have concluded the Security Setup Wizard you must change the WEP encryption on the wireless network adapters for the connected PCs in the same way as they will not otherwise be given access to the Gigaset SE551 WLAN dsl/cable's wireless network.
  • Page 70: Access Control Within The Wireless Network

    To go to the next step in the Security Setup Wizard, click on Next >. Access control within the wireless network In this step you can specify which PCs will have wireless access to the Gigaset SE551 WLAN dsl/cable and hence to your LAN. The access control is based on the of the PCs' network adapters.
  • Page 71: Saving Settings

    If, by mistake, you have denied all PCs access to the Gigaset SE551 WLAN dsl/cable you have two choices: You can completely reset the Gigaset SE551 WLAN dsl/cable (see page 17).
  • Page 72: Configuring The Advanced Settings

    In the Advanced Settings menu, you can configure all the options for the Gigaset SE551 WLAN dsl/cable. If you want, you can also make changes to the settings you made using the wizard. The following table shows the options in the menu.
  • Page 73: Internet

    Internet If you have configured your Gigaset SE551 WLAN dsl/cable using the two wizards you have also already configured the change these settings in the Internet menu. This menu also offers you a wide range of possibilities for security settings and limiting access to the Internet as well as for providing your own services on the Internet.
  • Page 74 ì Select how Internet sessions are to be established via Connection mode: – Select Always on if the connection is to exist at all times when the Gigaset SE551 WLAN dsl/cable is switched on. Please remember: If you have a time-based tariff this option can result in high connection charges.
  • Page 75 You can deactivate this function by entering "0". This means that the connection will continue to exist even if no data is transmitted. If you have a time-based tariff this can result in high charges. In this case you should enter a value other than "0".
  • Page 76 Internet. You will see a symbol for your Gigaset SE551 WLAN dsl/cable on the task bar on the PC on which UPnP is installed. Windows XP systems will also include the icon under net- work connections.
  • Page 77: Dns Server

    DNS server DNS is a decentralised service which assigns PC names or Internet addresses names) and IP addresses to one another. A DNS server has to administer this information for each server or each LAN with an Internet connection. Normally your Internet provider provides you with a assignment when connection is made to the Internet.
  • Page 78: Mac Address

    If you had Internet access through the same Internet provider before connecting the Gigaset SE551 WLAN dsl/cable, then it is possible that the MAC address of one of your PCs has been used for registration when the connection was being set up. You must...
  • Page 79: Traffic Control

    PCs. Note: Traffic Control is only possible if the Internet connection is established directly through the Gigaset SE551 WLAN dsl/cable and not via a PC or a different router. ì In the Advanced Settings – Internet menu, select Traffic Control.
  • Page 80 Configuring the Advanced Settings Global time limit ì Activate or deactivate the time limit available to all users in your network for surfing the Internet each month. This makes sense if your Internet tariff is time-based. ì Enter the total amount of time available per month in hours. Global volume limit ì...
  • Page 81: Firewall

    PCs' access to selected services or Internet sites (see page 83) or restrict them by means of a schedule rule (see page 86). The firewall functions for Gigaset SE551 WLAN dsl/cable are activated and configured in the factory. If you wish to deactivate the firewall, carry out the following steps: ì...
  • Page 82: Attack Detection

    Configuring the Advanced Settings Attack detection If the firewall functions of your Gigaset SE551 WLAN dsl/cable are activated, the device monitors and limits the access of incoming traffic via the DSL connection with a func- tion called Stateful Packet Inspection (SPI). This allows the Gigaset SE551 WLAN dsl/ cable to identify and prevent certain types of attack from the Internet, such as Denial- of-Service (DoS).
  • Page 83 – Select Custom to determine the criteria for defence against hacker attacks your- self. Further setting options are then shown in the window. E-mail notification of a hacker attack You can choose to be informed by e-mail about a possible hacker attack. ì...
  • Page 84 Configuring the Advanced Settings User-defined settings Stateful Packet Inspection Your device monitors and limits the access of incoming traffic from the Internet with SPI (Stateful Packet Inspection). This allows it to identify and block certain types of attack such as Denial-of-Service (DoS). A typical DoS attack involves a remote com- puter paralysing a system and announcing that it is acting for the paralysed device in order to receive the data meant for it.
  • Page 85: Setting Up Access Control To The Internet

    Setting up access control to the Internet The Access Control function allows you to block access to various Internet services for one or more PCs. You can limit these blocks to certain days and hours with Schedule Rules. ì Select Access Control in the Advanced Settings – Internet – Firewall menu. ì...
  • Page 86 Configuring the Advanced Settings You have the following setting options for Access Control: Access Rules You can limit access to the Internet for all or for certain clients in your local network. You can assign a Schedule rule to each access rule and allow or block access to URLs and services.
  • Page 87 – In Filtering mode, determine whether the services you select are to be allowed or blocked. – Select the Services you wish to allow or block. Select the Protocol and enter the appropriate Port (a single port number, several individual port numbers separated by commas, port blocks consisting of two port numbers separated by a dash, or any combination of these, e.g.
  • Page 88 Configuring the Advanced Settings Schedule Rules If you have set up an access rule (see page 84) for certain services in the Internet. you can control it by means of a schedule rule. A schedule rule determines the period for which a defined access control is active.
  • Page 89 ì Select Filtering mode, i.e. whether you wish to allow or block access to the URLs in the list. ì Enter the required URL in the field. ì Click on Delete to delete an entry. Click on Add to create a new entry. ì...
  • Page 90: Setting Up The Nat Function

    Port triggering is a specific variant of port forwarding. Unlike port forwarding, in this case the Gigaset SE551 WLAN dsl/cable forwards data from the set port block to the PC which has previously sent data to the Internet via a certain port (trigger port). This means that approval for the data transfer is not tied to one specific PC in your network, but only to the port numbers of the required Internet service.
  • Page 91 You can use the NAT settings for the Gigaset SE551 WLAN dsl/cable to set up port triggering for special applications (see page 90), set up the Gigaset SE551 WLAN dsl/cable as a virtual server by configuring Port For- warding (see page 91), open the firewall for selected PCs (see page 92).
  • Page 92: Port Triggering

    Configuring the Advanced Settings Port Triggering If you configure Port Triggering for a certain application, determine a so-called trigger port and the protocol (TCP or UDP) this port uses. Then you assign to this trigger port the public ports that have to be opened for the application. You can select known Internet services for this or assign ports or blocks of ports manu- ally.
  • Page 93: Port Forwarding

    PCs. The private IP addresses of the servers on the local network remain protected. Internet services are addressed via defined port numbers. The Gigaset SE551 WLAN dsl/ cable needs a mapping table of the port numbers to redirect the service requests to the server that actually provides the service.
  • Page 94: Opening The Firewall For Selected Pcs (exposed Host)

    Configuring the Advanced Settings ì In the Local IP address field, enter the IP address of the PC which provides the serv- ice. Example: the Web server has been configured to react to requests on port 8080. However, the requests from websites enter by port 80 (standard value). If you add the PC to the forwarding table and define port 80 as the public port and Port 8080 as an internal port, all requests from the Internet are diverted to the service with the port number 80 on the Web server of the PC you have defined with port 8080.
  • Page 95: Dynamic Dns

    This is handled by the dynamic DNS service (DynDNS). You can use the DynDNS service to assign your Gigaset SE551 WLAN dsl/cable an individual static domain name on the Internet even if it does not have a static IP address.
  • Page 96 When this changes, it will open a connection to DynDNS.org and update its IP address there. Please remember: You have to open an account with DynDNS.org before you can use the Gigaset SE551 WLAN dsl/cable's DynDNS function. Follow the instructions on the DynDNS.org. web- site. Then enter the user data when configuring the router.
  • Page 97: Qos (quality Of Service)

    QoS (Quality of Service) Many communication and multimedia applications require high speed and large band- widths to transfer data between the local network and the Internet. However, for many applications there is often only one Internet connection with limited capacity available. QoS (Quality of Service) divides this capacity between the different applications and provides undelayed, continuous data transfer where data packets with higher priority are given transmission preference.
  • Page 98: Lan Configuration

    Gigaset SE551 WLAN dsl/cable can be reached from outside is assigned by the Internet Service Provider. ì If you want to assign the Gigaset SE551 WLAN dsl/cable a different IP address, enter it in the fields next to IP address. ì...
  • Page 99: Assigning Static Ip Addresses To Individual Pcs

    Gigaset SE551 WLAN dsl/cable. Please remember: If the DHCP server for the Gigaset SE551 WLAN dsl/cable is activated, you can con- figure the network setting on the PC so that the option Obtain an IP address automatically is set. To find out how to do this, please read the section "Configuring the local network"...
  • Page 100: Configuring Wireless Connections

    Configuring the Advanced Settings Configuring wireless connections If PCs are communicating wirelessly via the Gigaset SE551 WLAN dsl/cable, you should also take steps to enhance the security of your wireless network. You make this config- uration via the Advanced Settings – Wireless Network menu. Here you can...
  • Page 101 If this option is enabled (default setting), the Gigaset SE551 WLAN dsl/cable will send the SSID in all data transmissions, and your Gigaset SE551 WLAN dsl/cable's SSID will be displayed on PCs that have a wireless network adapter. In this case eavesdroppers could use the SSID to gain access to your network.
  • Page 102 Configuring the Advanced Settings Super G (108 Mbit/s) With the aid of channel bundling, the transfer up to 108 Mbps. The channel for wireless data transfer cannot be changed. You can only use Super G if this function is supported by at least one client in your wireless network.
  • Page 103: Setting Wireless Security

    Setting wireless security If you are sending data over wireless channels, we recommend that you activate encryp- tion (WEP or WPA) on your wireless network components. WPA offers greater security than WEP. We therefore recommend that you choose WPA encryption if it is supported by all components in your wireless network.
  • Page 104: Wpa2-psk And Wpa2-psk / Wpa-psk

    Configuring the Advanced Settings WPA2-PSK and WPA2-PSK / WPA-PSK WPA with Pre-shared key (WPA-PSK) WPA-PSK is a special WPA mode that provides encryption protection for users at home and in small companies without a company authentication server. Encryption keys are automatically generated with the Pre-shared key, and automatically changed (rekeying) and authenticated between the devices after a certain period of time Interval).
  • Page 105 WPA and WPA2 with authentication server In large networks (e.g. in companies) WPA enables the use of an additional authentica- tion service. In this case, user access is controlled by user accounts and passwords, in addition to WPA encryption. A RADIUS server acts as an authentication server. You can select the new standard WPA2 if this is supported by all components in your wireless network, or select WPA2 / WPA if you are using devices that only support WPA.
  • Page 106: Wep Encryption

    You can choose either the standard 64 bit key or the more robust 128 bit key for encryp- tion. The keys are generated in hexadecimal or in ASCII format. You must use the same keys for encryption and decryption for both the Gigaset SE551 WLAN dsl/cable and all your wireless network adapters.
  • Page 107 Manual key entry ì Select the Key type, Hex or ASCII. If you select Hex you can use the characters 0 to 9 and A to F. – With a 64 bit encryption depth the key is exactly 10 characters long. An example of a valid key: 1234567ABC –...
  • Page 108: Allowed Clients

    ì Click on OK to apply the settings. Allowed clients In this screen you can specify which PCs will have wireless access to the Gigaset SE551 WLAN dsl/cable and hence to your LAN. ì In the Wireless Network menu, select Allowed Clients.
  • Page 109 ì From the Known wireless clients list (all PCs that currently have access to the Gigaset SE551 WLAN dsl/cable), select the PC you want to add to the access control. ì Click on the Add button to add the entry to the list.
  • Page 110: Repeater Function (wds)

    Configuring the Advanced Settings Repeater function (WDS) If you use a repeater in your wireless network to extend the range, you must activate the Wireless Distribution System (WDS) function. In the Wireless Network menu, select Repeater (WDS). ì Next to Wireless distribution system, select the On option to activate WDS. The name of the client is shown in the Comment field.
  • Page 111: Usb

    You can use your device's USB port to share a USB bulk memory or a USB printer with users in your local network and publish your data on the Internet. Note: Generally speaking only devices that support USB V2.0 may be connected. However, some devices with the earlier standard USB V1.1 still work.
  • Page 112: File Server

    If you assign a name other than Server (e.g. the IP address of the Gigaset SE551 WLAN dsl/cable), then the file server will appear in the Windows directory Network environment both under the name Server and under the name you have assigned.
  • Page 113 ì Enter the name of the Domain / workgroup (Workgroup is the standard name for Windows) in which the file server is located. If you now search your network you will find the file server within the stated domain / workgroup in the network environ- ment.
  • Page 114 Configuring the Advanced Settings Setting up or editing a share ì Enter a name for the share. ì Select the directory you wish to release for sharing. You can enter the complete path for the directory manually or click on the Browse button. A file menu is opened. You can now set access protection for the directory.
  • Page 115: Web Server

    DNS (see page 93) in addition. ì Connect a USB data carrier to the Gigaset SE551 WLAN dsl/cable via the USB port. On the Advanced Settings – USB screen, you can check the status of the connec- tion to the USB bulk memory.
  • Page 116 Configuring the Advanced Settings HTTP HTTP (Hypertext Transfer Protocol) is the standard protocol for transferring data on the Internet. You can use it, for example, to publish your own homepage on the Internet. ì Activate the HTTP service for your Web server. ì...
  • Page 117 FTP (File Transfer Protocol) is a protocol for exchanging files on the Internet. You can use it, for example, to offer files for downloading, or to receive files from other users. ì Activate the FTP service for your Web server. ì...
  • Page 118: Printer Server

    Users can set up the connected printer by entering the local IP address on your PC. ì Click OK to accept the changes. You will find information on setting up the printer connected to the Gigaset SE551 WLAN dsl/cable in the section entitled "Installing the printer port for network printers" on page 137.
  • Page 119: Administration And Status Information

    (see page 120), save, and if necessary restore, configuration data (see page 122), reset the Gigaset SE551 WLAN dsl/cable to the factory settings (see page 123), reboot the device (see page 123), update the firmware (see page 124),...
  • Page 120: Regional Options

    Administration and status information Regional Options To operate your Gigaset SE551 WLAN dsl/cable you can select the location, time zone, and the format for entering the date and time, as well as configure the application for a time server for the Internet time.
  • Page 121: Internet Time

    Click on OK to apply the settings. System Password You can assign a System Password for the configuration environment of your Gigaset SE551 WLAN dsl/cable, and specify the period after which a session is to end automatically if no further entry is made. ì...
  • Page 122: Setting Up Remote Management

    Please remember: If you ever forget your System Password you will have to reset your Gigaset SE551 WLAN dsl/cable (see page 17). Please bear in mind that this will restore all the settings to the factory configuration. No System Password will be active either.
  • Page 123 Remote Management for one particular PC: ì In the Authorized client field, enter the IP address of the PC that is to have access to the user interface of the Gigaset SE551 WLAN dsl/cable from outside your local network. Please remember: The Internet provider might assign the IP address to the PC dynamically.
  • Page 124: Saving And Restoring A Configuration

    Administration and status information Saving and restoring a configuration Once you have configured your Gigaset SE551 WLAN dsl/cable, it is advisable to back up the settings. Then you can restore them at any time, should they be accidentally deleted or overwritten.
  • Page 125: Restoring The Back-up

    This means that you will have to completely reconfigure the Gigaset SE551 WLAN dsl/cable. Reboot You can restart your Gigaset SE551 WLAN dsl/cable if it is not working properly. It should then be ready for use again. In the Administration menu, select Reboot.
  • Page 126: Updating Firmware

    Updating firmware If Siemens or your Internet provider make available a new version of the firmware, you can update the firmware of the Gigaset SE551 WLAN dsl/cable. To do this you must first download the new firmware into your PC.
  • Page 127: System Log

    System Log The System Log is displayed in the Status – Device menu. It can give you important information about the functioning of your device and possible problems. You can also have this information transmitted automatically on a system log server. ì...
  • Page 128: Status Information

    You can view information about the configuration and status of the Gigaset SE551 WLAN dsl/cable in the Status menu of the Gigaset SE551 WLAN dsl/cable. On the first screen you will see an overview of the status of the Internet connection, the local and wireless network, and of the device.
  • Page 129 Internet Connection status The status of the connection to the Internet and, if connected, the duration of the connection. IP address The public IP address of your device. Local network IP address The local IP address of your device. DHCP Server The status of the DHCP server for your device and, if activated, the number of clients in your network to which an IP address has been assigned.
  • Page 130: Security

    Status information Security On the Security screen in the Status menu you will see information about possible security risks for your device and your network. System password not changed Your device's configuration program is not effectively protected against unauthor- ised access as you have not changed the password since setup. The section entitled "System Password"...
  • Page 131 Firewall for your Internet connection turned off Your network is not protected against hackers making unauthorised access from the Internet. The section entitled "Firewall" on page 79 describes how to avoid this secu- rity risk. Address translation for your Internet connection turned off The clients in your network are not protected against unauthorised access from the Internet.
  • Page 132: Internet

    Status information Internet On the Internet screen in the Status menu you will find information about the status of your device's Internet connection. Connection status Shows the status of the connection to the Internet and, if connected, the duration of the connection. If you have set Connect on demand or Connect manually as the connection mode (see page 71), you can Connect or Disconnect the connection to the Internet manually here.
  • Page 133 MAC address Shows the public MAC address of your device. Default gateway Shows the IP address of the default gateway used for the current Internet connec- tion. Preferred DNS server Shows the IP address of the preferred DNS server used for the current Internet con- nection.
  • Page 134: Traffic Control

    Status information Traffic Control On the Traffic Control screen in the Status menu you will see information about limits and the time and data volume currently available for your Internet connection. ì Click on Refresh to refresh this screen and update the displayed data. Global traffic limits –...
  • Page 135: Local Network

    Please remember: The values recorded by your device for online time and transmitted data volume are only intended for your guidance and may differ from the values determined by your Internet provider. Local Network On the Local Network screen in the Status menu you will find information about the settings for your local network.
  • Page 136: Wireless Network

    Status information DHCP clients Shows all clients in your network that have been assigned an IP address. The Host name and the MAC address of each client are listed for identification. You are also given information about the IP address assigned to each client as well as the remaining Lease time for the IP address before the client is assigned a new address by the DHCP server.
  • Page 137: Device

    Wireless clients Shows all clients in your wireless network currently connected to your device. The Host name, the MAC address and the IP address of each client are listed for identification. You will also see information about the Uptime to date of the current connection for each client in your wireless network.
  • Page 138 Status information System uptime Shows your device's operating time since the last time the system was started. System time Shows the system time for your device. Firmware version Shows the version of the firmware currently installed in your device. Bootcode version Shows the version of the boot code currently installed in your device.
  • Page 139: Installing The Printer Port For Network Printers

    The print job you send to the PC on which the printer depends reduces the perform- ance (resources) of this PC. If you use the USB port on the Gigaset SE551 WLAN dsl/cable for your printer you have all the advantages of a network printer without the disadvantages referred to above: The network, and consequently also the printer, are always ready (the Gigaset SE551 WLAN dsl/cable and the printer itself must be switched on, of course).
  • Page 140: Installing A Standard Tcp/ip Printer Port Under Windows Xp/2000

    Gigaset SE551 WLAN dsl/cable is connected and can be reached in the network. A printer need not be connected to the USB port on your Gigaset SE551 WLAN dsl/cable at this point. The following illustrations show installation on Windows XP. Installation on Windows 2000 is essentially the same.
  • Page 141 ì In the Add Printer wizard, click on Next. The printer port you are installing will behave like an additional parallel connection to the PC. For this reason you must click on the option button next to Local printer in this window. There must not be a tick in the square Plug and Play printer check box below.
  • Page 142 Installing the printer port for network printers ì Click on the option button Create a new port. ì Then select Standard TCP/IP Port from the selection menu in the field next to it. ì Click on Next. ì In the wizard for setting up a standard TCPI/IP port, click on Next.
  • Page 143 ì In the Printer Name or IP Address input field, enter the IP address of the print server (Gigaset SE551 WLAN dsl/cable): e.g. 192.168.2.1. Your input is shown repeated in the second field. ì Double click in the Port Name field and enter a name. This name will appear in the list of printer ports.
  • Page 144 Installing the printer port for network printers ì From the list of standard device types, select the offered type Network Print Server (1 port) (print server with a printer connection). ì Click on Next. The window for finishing the wizard is opened and shows you all the settings you have made.
  • Page 145 If you do not wish to install a printer until later, click on Cancel. Note: The Gigaset SE551 WLAN dsl/cable's printer server does not work bidirectionally. It does not evaluate any of the printer's response messages. For this reason please make sure that your printer is also configured unidirectionally.
  • Page 146: Installing A Printer On The Tcp/ip Port Retrospectively

    Installing the printer port for network printers Installing a printer on the TCP/IP port retrospectively If you connect a printer to this port at a later time, start as described above for installing the printer port. ì In this case, however, you should click on the selection menu in the Select a Printer Port window.
  • Page 147: Installing A Printer Driver Under Windows 98 Se Or Me

    Select Properties and open the Details tab. ì Select the port and click on Connection Settings. ì Change the IP address if necessary. It must be the same as that for the Gigaset SE551 WLAN dsl/cable. Installing the printer port for network printers...
  • Page 148: Instructions For Setting Up A Printer On The Pc

    You still need to connect and configure the printer to this port. ì Connect the printer to the USB interface on your Gigaset SE551 WLAN dsl/cable. The printer is installed in the same way as any other printer: ì...
  • Page 149: Appendix

    Appendix Trouble shooting This section describes common problems and their solution. The Gigaset SE551 WLAN dsl/cable is easy to monitor thanks to its LED displays. Problems can be quickly identi- fied. If you cannot solve the connection problem after checking the LED displays, please consult the other sections of the following table.
  • Page 150 SSID. ì Change the SSID on the network adapter. Either encryption is enabled on the Gigaset SE551 WLAN dsl/cable but not on the wireless network adapter, or it is not using the correct key or is using another type of encryption.
  • Page 151 255.255.255.x. This means that the first three parts of the IP address on each PC and the Gigaset SE551 WLAN dsl/cable have to be identical. The device also has to be configured as DNS server. ì...
  • Page 152: Specifications

    Appendix Specifications Interfaces 1 modem 4 LAN 1 USB WLAN Wireless properties Frequency range Spreading Modulation Number of channels Transmission rate Operating environment Temperature Humidity LED displays (green) Compliance with security conditions and regulations RJ45, 10Base-T/100Base-TX, Autosensing, MDI/MDIX RJ45, 10Base-T/100Base-TX, Autosensing, MDI/MDIX USB 2.0, for printer server or file server 802.11g, for the wireless connection of up to 252 PCs 2,400 to 2,484 GHz ISM band...
  • Page 153: Authorisation

    Country-specific conditions have been taken into consideration. Siemens AG hereby declares that this device complies with the basic requirements and other relevant provisions of Directive 1999/5/EC. A copy of the declaration of conformity in accordance with 1999/5/EC is available at: www.siemens.com/gigasetdocs.
  • Page 154: Service (customer Care)

    In the case of new devices and their components exhibiting defects resulting from manufacturing and/or material faults within 24 months of purchase, Siemens shall, at its own option and free of charge, either replace the device with another device reflecting the current state of the art, or repair the said device.
  • Page 155: Guarantee Certificate (ireland)

    Guarantee. Claims under the Guarantee must be submitted within two months of the Guarantee default becoming evident. Ownership of devices or components replaced by and returned to Siemens shall vest in Siemens. This Guarantee shall apply to new devices purchased in the European Union.
  • Page 156 Siemens. This Guarantee shall apply to new devices purchased in the European Union. For Products sold in the Republic of Ireland the Guarantee is issued by Siemens Ireland Limited, Ballymoss Road, Sandyford Industrial Estate, Dublin 18 – The Republic of Ireland.
  • Page 157: Glossary

    Glossary Access Point An Access Point, such as the Gigaset SE551 WLAN dsl/cable, is the centre of a wireless local network (WLAN). It handles the connection of the wireless linked network compo- nents and regulates the data traffic in the wireless network. The Access Point also serves as an interface to other networks, e.g.
  • Page 158 The Gigaset SE551 WLAN dsl/cable includes a DHCP server and uses it to assign auto- matic IP addresses to PCs in the local network. You can specify that the IP addresses for certain PCs are never changed.
  • Page 159 Domain name regardless of the current IP address. Encryption Encryption protects confidential information against unauthorised access. With an encryption system, data packets can be sent securely over a network. The Gigaset SE551 WLAN dsl/cable offers less networks. Ethernet Ethernet is a network technology for local networks (LANs) defined by the ard IEEE 802.3.
  • Page 160 Glossary Firewall Firewalls are used by network operators as protection against unauthorised external access. This involves a whole bundle of hardware and software actions and technologies that monitor and control the data flow between the private network to be protected and an unprotected network such as the Internet.
  • Page 161 Internet computer to inform neighbouring Ad-hoc mode. have been created for exchanging data, and these are Domain names (e.g. siemens.com). Domain names Internet (Voice over IP). TCP/IP protocols. It is responsible for addressing parties in a Glossary...
  • Page 162 A local network can be connected to other local networks or to a wide-area network (WAN) such as the Internet. With the Gigaset SE551 WLAN dsl/cable you can set up a wired local and a wireless IEEE 802.11g...
  • Page 163 Internet. Because of this security function NAT is frequently used as part of the Firewall of a network. If you want to make services on a PC in the local net- work available on the Internet despite NAT, you can configure the Gigaset SE551 WLAN dsl/cable as a Virtual server.
  • Page 164 (also known as the global IP address) is a network component's address on the Internet. It is assigned by the from a LAN to the Internet, such as the Gigaset SE551 WLAN dsl/cable, have a public and Private IP address.
  • Page 165 Glossary Repeater A repeater extends the range of a wireless local area network by relaying data from the Access Point to additional PCs or Network adapter. Roaming Roaming extends the range of a wireless LAN by using several Access Points that use the same SSID...
  • Page 166 The subnet mask determines how parts of the network number and how many the computer number. The subnet mask in a network administered by the Gigaset SE551 WLAN dsl/cable is always 255.255.255.0. That means the first three parts of the IP address form the net- work number and the final part is used for assigning computer numbers.
  • Page 167 Server provides a service on the Internet, that runs not on itself, but on another network component. The Gigaset SE551 WLAN dsl/cable can be configured as a virtual server. It will then direct incoming calls for a service via appropriate Port of the network component in question.
  • Page 168 IEEE 802.11 standard. It is used to protect wire- against unauthorised access through Infrastructure IEEE 802.11. The Gigaset SE551 WLAN dsl/cable Encryption of the mode.
  • Page 169: Index

    Index Numerical ....10 Mbps Ethernet ..10/100 Mbps Switch Port ....100 Mbps Ethernet .
  • Page 170 Flat rate Front panel Full duplex Games on the Internet ....Gateway Gigaset SE551 WLAN dsl back panel configuring connecting front panel installation...
  • Page 171 ....dynamic Gigaset SE551 WLAN dsl .....
  • Page 172 Index Maximum Transmission Unit, see MTU ......Mbps ......
  • Page 173 ....Windows 2000 ....Windows 98 ....Windows XP .
  • Page 174 Index ... . . Transmission speed ....in Ethernet LAN ....in wireless LAN .
  • Page 175 Issued by Siemens Home and Office Communication Devices GmbH & Co. KG Schlavenhorst 66 D-46395 Bocholt © Siemens Home and Office Communication Devices GmbH & Co. KG 2006 All rights reserved. Subject to availability. Rights of modification reserved. www.siemens.com/gigaset No. A31008-M1029-B101-2-7619...

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