The front desk to pay by credit card POS system is installed on the PC, embedded in the cashier software, often prompts the TCP/IP connection fails, brush card, test network is normal can communicate, virus killing, this part is a home router router device connected to the computer is three layer 2 switch router configuration is a static IP address on the Internet, the corresponding part switch port IP, turn to god to solve the problem!!!!!! Hurry hurry hurry

CodePudding user response:

Whether the firewall block