Using ADSL modem to realize routing function

Small Business office network using ADSL sharing internet economic benefits. The common practice is to use a hub with Proxy server software, using a computer as a proxy server, other computers through this agent sharing ADSL Internet. But this way of sharing the Internet, with the passage of time a lot of ills, the most obvious is that if the proxy server does not boot, other computers can not connect to the Internet. Then can bypass proxy server, directly through the shared ADSL modem to achieve access to the Internet?

There is, as long as the use of router-enabled ADSL modem! If you are installed in the ADSL Communications department has server-side support, with a routing function of the ADSL modem bar.

This is the case, but the author used two years ago the ADSL modem is a kind of old style, does not have the routing function. Do not follow my battle for years old ADSL "cat" must be laid off? In fact, we can upgrade the early ADSL modem equipment, so that it has the routing function. However, not any ADSL modem devices support the "soft upgrade", such as the USB interface can not be upgraded, and the network card connected to the RJ-45 interface devices can be properly upgraded.

To upgrade the ADSL modem equipment is to change the firmware of the data inside the device, modify its operating mode to the routing mode, and then refresh and save the data. Because of the production of ADSL modem equipment manufacturers to provide different points of upgrade, so the method of upgrading is also focused on, the author can only general upgrade steps to do some simple generalization, for different manufacturers of equipment upgrades, please use the specific product upgrade instructions.

1. Carefully check your modem bottom nameplate number and the manufacturer's website to indicate whether the product number of the upgrade is consistent. After the confirmation of their own equipment can be upgraded, and then to the corresponding website to download the upgrade software;

2. Modify the IP address of the network card connected to modem and set it to 168.0.0.1, while the subnet mask for the network card is 255.255.255.0;

3. Then set up a simple FTP server, while the FTP server network IP address and network IP Address Card set to the same, that is 168.0.0.1. And start the anonymous username, and the password is set to null. Set up the folder where the downloaded upgrade software resides for the user to access the root folder;

4. Click "Start → run" and enter Telnet 168.0.0.1. You can then enter the previous set of FTP username, password, and file name of the software in the login interface, and when the screen shows whether to update the firmware, you will be able to answer "Yes"; after confirming, the modem can be restarted in a moment;

5. Perform the Telnet 168.0.0.1 command again to log in to the modem. In the login prompt interface, the show command is used to view the status information of the current modem; if the new type symbol for the modem should appear on the display screen, the firmware content has been upgraded successfully;

6. So far, everyone uses the ADSL modem equipment already has the routing function; to manage this simple "router", when you open IE browser and enter http://168.0.0.1 in the browser's address bar, You can open a Web page that specifically manages the routing function;

7. In this interface, you can set the ADSL modem equipment working mode to "Router", and then restart the ADSL modem equipment; Again into the management of the routing function of the Web page, will be their ADSL username and password input, and then select "PPPoE" Connection mode, set all the relevant parameters, you can unplug the modem power cord, and then reconnect, so that the modem to start again;

8. Return to the computer system connected directly to the ADSL modem device, right-click My Network Places on the desktop, and select Properties. In the Network Properties dialog box that appears later, select the TCP/IP protocol. Then click the Properties button in the interface to open the settings interface, set the IP address of the local computer to get automatically, set the gateway address to 168.0.0.1, and then set the corresponding DNS server to the corresponding ISP's DNS server IP address;

It is important to note that upgrading the ADSL modem is a highly technical work. If you are careless, you may be able to cause the device to not work properly, so please think twice before you do it!