Quickly find out the cause of Alpha router disconnection

Quickly find out the cause of the Alpha router disconnection. We may not know how to solve the problem of the router disconnection. What we want to tell you today is that when the Wan is disconnected, how can we quickly and accurately find out the cause of disconnection.
This article describes in detail how to solve frequent disconnection problems in the WAN. I believe this article will help you. 1. If the Wan is connected through a router device, log on to the local router background management interface when frequent Wan disconnection occurs, run the Ping command to check whether the Ping is successful.
2. If the Wan is connected through a router switch device, we connect to a computer at both ends of the Wan line, set the IP address of each computer to the WAN interface address connected to the layer-3 router switch, and run the Ping command to check whether the WAN connection port can be pinged. Www.2cto.com
3. After removing the Wan line, most of the network faults are caused by the computer systems at both ends of the line. At this time, we need to narrow down the troubleshooting scope and find out what is wrong with the local computer system, or the other party's computer system is faulty. 4. If obvious data packet loss occurs when the local computer executes the Ping command to test the operation, it indicates that the online disconnection fault is caused by the local network, in this case, we only need to find the cause of the fault in the local network. Otherwise, it indicates that frequent online disconnection is caused by the LAN of the other party. At this time, we only need to ask the other party's management personnel for troubleshooting.
5. After we confirm that frequent disconnection failures are caused by one end of the Wan line, our next step is to eliminate the network, in this way, you can find a computer in normal working status in the local network in order to correctly locate the location that causes the failure of the WAN Internet connection, and then open the dialog box for running the computer system, run the string ping command in the command, and unplug each network cable connected to the switch one by one. If the Ping test result changes after a network cable is pulled out, it indicates that the connection failure is related to the port of the switch. 6. When checking whether the computer's network connection status is normal, we can double-click the network connection icon in the system taskbar of the computer first, and in the network connection attribute setting window that appears later, we can clearly see the number of packets received and sent from the computer Nic. If we find that the number of packets sent from the NIC device is increasing, this probably means that the current computer system has been infected with a network virus. At this time, we must immediately disconnect all the connections between the computer and the network, then, the latest anti-virus software is used to thoroughly scan and kill the system. Www.2cto.com
At present, with the prevalence of Network viruses, most of the failures that may occur on Wan lines are caused by network viruses. Therefore, we recommend that the WAN System be equipped with an anti-virus system, in order to effectively prevent the intrusion of various network viruses and improve the security defense capability of the WAN System.