HS code mapping for duty optimization

In recent years,HS code mapping for duty optimization with the continuous development of the Internet, the demand for the use of the Internet is also increasing. Especially in enterprises, the use of the network has become an indispensable tool. In order to better meet the needs of network use, many small and medium-sized enterprises will configure multiple network cards on one computer to achieve better network results.This article will introduce in detail how to set up a win7 dual network card. I. Preparation before setting up Win7 dual network card 1. Hardware equipment: The computer motherboard must support multiple network cards, and two network card slots are required. Two. Two network cards: Buy two network cards in the market and insert them into the computer motherboard. Pay attention to distinguish between the internal and external network cards. 3. Network cable: Buy two network cables, one to connect the external network card and router, and the other to connect the internal network card and switch. II. Win7 dual network card setting step 1. Open the Control Panel, click Network and Sharing Center, and select Change Adapter Settings. Two. Right-click on the external network card, select Properties, and double-click "Internet Protocol Version 4 (TCP/IPv4)". 3. Select "Use the following IP address" and set the IP address bit 192.168.1.2, the subnet mask is 255.255.255.0, and the gateway is the IP address of the router. Four. Select "Preferred DNS Server" and "Backup DNS Server" and enter the DNS server address provided by the ISP. 5. After setting up the external network card, right-click on the internal network card, select Properties, set the IP address to 192.168.2.2, the subnet mask to 255.255.255.0, and the gateway does not need to be set. 6. Next, you need to set up a routing table, open the cmd window, enter "route -p add 0.0.0.0 mask 0.0.0.0 192.168.1.1 metric 30" to add the default route. 7. Continue to enter "route -p add 192.168.2.0 mask 255.255.255.0 192.168.2.1 metric 10", add the internal network card subnet. Eight. The last step is to enable Internet connection sharing. Right-click on the external network card, select Properties, click the "Share" tab, and check the option "Allow other network users to connect through the Internet connection of this computer" to confirm. III. Notes on the setting of Win7 dual network card 1. The IP addresses of the internal network card and the external network card should not conflict to avoid network card confusion. Two. Disable Windows firewall: Because the firewall allows the IP of another card to cover the IP address you selected, you should disable the Windows firewall. 3. The routing table needs to be set up.Four. The network equipment must be kept in good condition to make the network connection more stable. In a word, the setting of win7 dual network card is very helpful for the network use of small and medium-sized enterprises, which can better improve the efficiency of network use and provide stronger support for the development of enterprises. The above are some notes and basic setting steps. If you have any questions, you can consult the server technicians to assist in completing the configuration.

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