Win7 system to create a virtual network card after the network speed is slower solution

What is the role of a virtual NIC?

The virtual network card is mainly used to establish a local area network between remote computers. The virtual NIC link technology is VPN. For example, you can connect to a few machines in other places to establish a VPN client by establishing a virtual HUB. This way, even if you set up a LAN between these remote computers, you can also implement the LAN function with your machine. The most common is the LAN interconnection game. The more commonly used software in this area are openVPN, packetix VPN, hamachi, among which hamachi is the simplest VPN software.

Virtual network card function:

It can simulate the function of the hub and realize the function of VPN, so that the system can recognize this software as a network card. As long as you can access the external network, you can connect to the virtual hub (HUB). ) It forms a LAN with other computers. On this virtual LAN, all physical LAN operations can be performed, and they can access each other and play games online. The software can break through the firewall interception, the information is encrypted, and there is no problem in security. It can be simulated as a VPN NIC, which can be directly connected to the internal VPN server from outside the company to access various services within the company. Whether you are looking for a network management, or even catching data with Lotus Note, you can get what you want.

Win7 slow network solution after creating a virtual network card:

1. After entering the Wind7 system, you click to open the start menu, and then enter the control panel interface from the start menu;

2. In the open control panel interface, click into the "Network and Internet" option, click to enter the Network and Sharing Center, click to open the "Change Adapter Settings in the left menu. ";

3, find the local connection option, right click on the item, select the property, and then switch to the advanced column in the properties window, in the advanced tab, you find "Large Send Offload" ;, whether it is IPv4 or IPv6, all change its value to "Disabled", and finally click "Determine" & rdquo;

The above is the introduction of the virtual network card and the solution to slow down the network speed after Win7 creates a virtual network card. After understanding the function and function of the virtual network card, the user can disable the corresponding option to increase the network speed.