Common Problem

  • 4G industrial router connection l2tp error 809 solution

    4G industrial router connection l2tp error 809 solution When the Win7 system is connected to VPN, error 809 appears, indicating that the network connection between the computer and the VPN server cannot be established. For the above situation, the 4G industrial router wi...
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  • The problem of 4G industrial router failure (one)

    4G industrial router The connection to the PC is normal, but the LAN indicator of the router does not light up, what's the matter? 1) Check whether the router is normally powered on and whether the DC head of the power supply is loose; 2) Check whether the network cabl...
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  • The problem of 4G industrial router failure (two)

    4G industrial router After inserting the SIM card, why the PC cannot access the Internet?  1) Check whether the 3/4G network antenna is installed properly; 1) Check whether the SIM card is installed in the correct direction, which causes the program to misjudge that the SIM card is not detected,...
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  • Basic configuration for mutual access of PPTP VPN subnet of 4G industrial router

    Basic configuration for mutual access of PPTP VPN subnet of 4G industrial router WIN2008 Server VPN server configuration 1) The status of two 4G industrial router VPN clients connected to the server is displayed. 2) The server 4G industrial router is added to the permanent static routing table ...
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