Virtual router: multi-host, single Nic, shared broadband Internet access (1)

With the rapid development of broadband Internet services and the popularization of computers, more and more enterprises and individuals have more than one computer, and users also want to share the Internet. Some broadband service providers want to protect their business interests, take measures such as adding a dedicated authentication program) to restrict sharing, which caused widespread dissatisfaction among netizens. Search google or Baidu for keywords such as "Netcom sharing" to see how strong this reaction is.

"×× Netcom restricts sharing of notorious zookeeper"

"Who requires a computer to apply for a line? Zookeeper"

"Is it legal for XXX Netcom to try to Prohibit Internet sharing ?"

Is there a way to successfully break through the ADSL bandwidth sharing restrictions of these service providers to achieve dual-host or multi-host internet access sharing? The answer is yes. This article introduces a simple and easy-to-use broadband sharing solution-multi-host single-nic Internet sharing.

TIPS: Currently, there are three solutions to achieve broadband Internet sharing in restricted areas. They are: multi-host, single-network card, multi-host, dual-network card, and dual-network card are used as hosts, and can be started up 24 hours a day) and purchase a dedicated router to achieve Internet sharing. Compared with the above three solutions, the first solution has less investment for a single network card). The Internet is more flexible, and no dedicated servers are needed to access the Internet, this is also a shared Internet access method that this article focuses on. In the second solution, you need to configure a host with relatively good performance to install dual NICs on the server), and all other machines use the client to access the Internet. The third option is to install a Broadband Router and set up a shared Internet connection. However, for some regions such as Henan, you must purchase a Broadband Router designed for the region to achieve Internet sharing.

I. Principle of restricted bandwidth sharing by China Netcom:

At present, the general principle of China Netcom's restricted sharing is: a dedicated authentication program is used to open an account in ADSL, and the maximum number of connections is displayed when the account is logged in online with the same account ), in combination with the use of authentication methods such as fixed IP addresses, binding MAC addresses, etc.), online customers are authenticated to limit sharing.