3Com 3CR856-95 Installation Guide - Page 2

1 INSTALLING YOUR GATEWAY Before you install and configure your Gateway, you need the following additional information. If you do not have this information, contact your Internet Service Provider. Space is provided below for you to record this information. If you have a DSL connection and your ISP allocates IP information dynamically over PPPoE, you need your User Name and Password. Some ISPs may also require a Service Name. PPPoE User Name PPPoE Password PPPoE Service name If your ISP allocates fixed or static IP information, you need the following information: IP Address Subnet Mask Default Gateway address DNS address If your ISP allocates IP information dynamically over a protocol other then PPPoE, you do not need any further information. Connecting Your Gateway 1. Use the supplied cable to connect the Gateway's Ethernet Cable/DSL port to your Cable/DSL modem. Ensure that your modem is connected to the Internet and switched on. 2. Connect your computer to one of the 10/100 LAN ports on the Gateway. 3. Connect the power adapter to the Gateway and wait for the Alert LED to stop flashing. Check that the Cable/DSL Status LED is illuminated. 4. Switch on your computer. Once your computer is ready to use, check that the LAN Port Status LED on the Gateway is illuminated. Refer to Figure 6 for an example configuration. 2 CHANGING YOUR COMPUTER'S CONFIGURATION You may need to make some changes to the configuration of your computers in order to communicate with the Gateway. DSL Users with PPPoE Client Software If you have PPPoE client software installed on your computer, you will need to disable it. To do this: 1. From the Windows Start menu, select Settings > Control Panel. 2. Double click on Internet Options. 3. Select the Connections Tab. A screen similar to Figure 1 should be displayed. 4. Select the Never Dial a Connection option and click OK. You may wish to remove the PPPoE client software from your computer to free resources, as it is not required for use with the Gateway. Figure 1 Obtaining an IP Address automatically Follow the instructions below for your particular operating system to ensure that your computers are configured to obtain an IP address automatically. For computers using Windows 2000. 1. From the Windows Start Menu, select Settings > Control Panel. 2. Double click on Network and Dial-Up connections 3. Double click on Local Area Connection. 4. Click on Properties. 5. A screen similar to Figure 2 should be displayed. Select Internet Protocol TCP/IP and click on Properties. 6. Ensure that the options Obtain an IP Address automatically, and Obtain DNS servers automatically are both selected as shown in Figure 3. Click OK. 7. Restart your computer. Figure 2 For computers using Windows 95, 98 and ME. 1. From the Windows Start Menu, select Settings > Control Panel. 2. Double click on Network. Select the TCP/IP item for your network card as shown in Figure 4 and click on Properties. 3. In the TCP/IP dialog, select the IP Address tab, and ensure that Obtain IP address automatically is selected as shown in Figure 5. Click OK. 4. Restart your computer. For computers using Windows XP. 1. From the Windows Start menu, select Control Panel 2. Click on Network and Internet Connections 3. Click on the Network Connections icon 4. Double click on LAN or High Speed Connection icon. A screen titled Local Area Connection Status will appear 5. Select Internet Protocol TCP/IP and click on Properties. 6. Ensure that the options Obtain an IP Address automatically, and Obtain DNS servers automatically are both selected as shown in Figure 3. Click OK. 7. Restart your computer. Figure 3 Figure 4 Figure 5 Your existing Cable/DSL Modem Internet LAN Status Cable/DSL 3C856-95 OfficeConnect Cable/DSL Secure Gateway Alert OfficeConnect Cable/DSL Secure Gateway OfficeConnect Switch Figure 6 Example Network with OfficeConnect Cable/DSL Secure Gateway. 3 CONFIGURING YOUR GATEWAY Keeping Your Existing IP Configuration If you don't want to change your IP infrastructure or have static IP addresses the Discovery Application, found on the accompanying CD, can be used to locate the Gateway. You can then use the Configuration Wizard to set its IP parameters. Refer to the User Guide for more details. Running the Configuration Wizard 1. If you haven't already done so, restart your computer. 2. Launch your web browser and attempt to contact the Gateway by typing the following URL in the location bar: http://192.168.1.1, If you are able to access the Login page, then your computer has correctly received an IP address from the Gateway. 3. Login using the default password admin. The Wizard will attempt to launch automatically, but if it fails, select the Wizard tab and click on the Wizard... button. 4. Where possible, the wizard will recommend settings for most parameters. However, there are some settings which you must provide. Most of these will have been provided to you by your ISP when you set the account up. Refer to section 1 for details. 5. By default, 3Com recommends that you leave the LAN IP address for the Gateway as 192.168.1.1. However, if you should choose to change it, make a note of the new address : Gateway's LAN IP Address Connecting to the Internet When the Wizard has completed, attempt to browse to an Internet web site, such as www.3com.com. If you can successfully access this site, then your computer, Gateway and internet modem have been correctly configured. Now that you have successfully configured your Gateway 3Com recommends, as part of our continuous improvement process, you download the latest firmware from the web at www.3com.com. Refer to the Problem Solving section if you cannot make contact with the Gateway or the Internet. Connecting Additional Computers You may now connect additional computers to the remaining 10/100 LAN ports on the Gateway. Ensure that each computer you connect to the Gateway has been configured as described in section 2. You should restart each computer whilst it is connected to the Gateway before you try to use it to access the Internet. 6. When the DHCP Server Settings page is displayed, make sure that the Enable the DHCP Server with the following settings option is selected. PROBLEM SOLVING If you are experiencing difficulties with your installation, try the following: • Ensure all networking equipment is switched on. The Gateway should be showing a green Power LED. If it is not, check the power adapter connection. Do not use any power adapter with your Gateway other than the one supplied. • Ensure the Cable/DSL Modem is connected. The Gateway should be displaying a green or yellow Cable/DSL Status LED. If no LED is displayed, check that your modem is switched on and that it is connected to the Cable/DSL port with an Ethernet cable. • Ensure that the computer is connected to the Gateway. The Gateway should be displaying a green or yellow LAN Status LED. If it is not, check that the computer is connected to one of the Gateway's LAN ports with an Ethernet cable. • Ensure your computer is configured correctly. Make sure that the computer obtains an IP address automatically. See Section 2 for details. Ensure that the NIC card is configured for autonegotiation. • Ensure that you do not have a web proxy enabled on your computer. Go to the Control Panel and click on Internet Options. Select the Connections tab and click on the LAN Settings button at the bottom. Make sure that the Use Proxy Server option is unchecked. • If you are unable to access the Gateway's Web interface. Launch a web browser and enter http://192.168.1.1. If you chose a different IP address, use that instead. Ensure that you include the http:// prefix. • If you cannot remember the Gateway IP address. Run the Gateway Discovery application from the CD-ROM. This will always connect you to the Gateway. Cable Internet Connections. • Some Cable providers authenticate to the user's computer MAC address. If this is required, go to Internet Settings > Advanced and select Clone the MAC Address. This will copy the MAC address of your computer onto the Internet port of the Gateway. • Some Cable providers authenticate to the user's Host Name. If this is required, go to Internet Settings and enter the host name of your computer into the Host Name field. DSL Internet Connections. • If you have an existing DSL line and have PPPoE client software installed on your computer, you will need to disable it. See section 2. • If your DSL line is using PPPoE, go to Internet Settings and ensure that PPPoE is enabled. Check that your PPPoE User name and Password are correct • Some DSL providers require the use of a PPPoE Service Name. If this is required, go to Internet Settings and enter the PPPoE Service Name in the field provided. If it is not required, you must leave it blank. For further Problem Solving and Technical Support information, refer to the Gateway User Guide.