VPN Pass-through in a Broadband Router

At present, the Broadband Router is still widely used and its functions are constantly improved. Here we will mainly introduce the detailed analysis of VPN Pass-through in the Broadband Router. Shortly after arriving at a logistics company, Li Linggang received a call from Manager Li of the network Department asking her to buy a Broadband Router.

Because the company is headquartered in Beijing, and the branch computer often needs to access the internal server of the headquarters to obtain data, Manager Li also stressed that the Broadband Router must have the "VPN Pass-through" function. This can make Li Yan worried. What is the VPN Pass-through function? Fortunately, she has a network cousin ...... To learn about VPN Pass-through, you must first know what VPNVirtual Private Network is.) It does not have a dedicated Network physical connection, but uses a public Network such as the Internet) establish a temporary, secure, and simulated point-to-point connection. We can also call it "network in the network" as a bit of a TV image ).

Many organizations or individuals use Broadband Router sharing, to establish a VPN, the Broadband Router must have the VPN Pass-through function to allow the VPN data packet to Pass through. This function supports the client's VPN outbound and receive feedback packets, with the support of this function, other computers in the network can establish a virtual connection with the external VPN Server. Figure 1 ).

At present, there is also a VPN Server Broadband Router that supports dial-in). It not only supports the VPN Pass through function, that is, the workstation that works below can smoothly establish a connection with the VPN Server ), it is a VPN Server and has all the functions of the VPN Server.

To establish a virtual connection with an existing VPN Server at the headquarters of the company, you must first enable the VPN function of the Broadband Router. The following describes how to use the CIDR wide IP806SM Broadband Router as an example. Log on to the Management page of the Broadband Router. Find "security" in "Administrator" and select "allow VPN to pass" in the right column ".

Then, set it on the client for virtual connection. In Windows XP, you can set the settings as follows: Go to Control Panel> network connection, and click Create a new connection ", then, select "network connected to my workplace" and "virtual network dedicated connection", and enter the name, Host IP address, including domain name, as prompted ), click "finish". In the displayed window, enter the account and password provided by the VPN Server, and click "Connect.

If the connection is established for the first time, the system requires the user to enter the phone number of the region. This prompt is not displayed if another connection, such as the connection to the Internet, has been established before the VPN connection is established. After the connection, you can access Shared resources through "Network neighbors" or directly enter "\ Server Name" or "\ Server address" in the address bar of your browser.