How to find and eliminate faults in LAN

Many companies use wireless networks to ensure easy and error-free communication between employees. Therefore, fault locating and troubleshooting in LAN is more important than ever. In the current business field, many meetings are conducted through the network rather than in the office. Maintaining the security and reliability of LAN is essential for companies of different types and sizes. The three most common problems in Lan are: Wireless Adapter faults, incorrect software configurations, and weak signals from routers.

Fault Identification and troubleshooting in LAN start with hardware. For example, when the wireless network card cannot be used normally, the network cannot be connected. Although different types of NICs may lead to different solutions, there are still some common practices. For example, check whether the adapter is turned on by some external adapters with a switch button), check that the display device is working properly LED, in addition, the adapter may need to be reinstalled-either internally or through an external USB interface.

When the NIC is normal, the NIC Driver Software may have problems. The next step for troubleshooting in LAN is to check whether the most common driver suitable for your own adapter is used. When the drive is used, check whether the NIC is compatible with the computer operating system. Windows) The user checks the "Network Parameters" board. the Mac operating system user first checks the "control panel", and then the "network". First, checks whether the computer can identify whether the NIC has been installed, the second is the wireless network device, and ensure that the device matches the network that receives the wireless signal.

Next step in LAN troubleshooting

When the network adapter and software are correctly installed, you need to find the problem from the source-router. Restart the modem and router usually start the modem first, followed by the router ). Check all network cables, connections, and indication devices to ensure that signals are received and transmitted in an appropriate manner.

Is it necessary to purchase network analysis software?

This depends on the user's use of the wireless network and understanding of the network. A set of Wireless LAN analysis software is worth thousands of dollars and is usually designed for network professionals. Although the cost-effectiveness of this investment is determined by the user, the following general problems are helpful for users who intend to purchase.

Have you used other network analysis software or received sufficient training in this area?
Are you facing problems that cannot be solved by the network analysis software currently used?
IS it a multi-user wireless LAN system integration user or IS department?
Does a wireless LAN have more than 10 interfaces?
Is there more than 25 Wireless LAN users?
Financial support?
If most of your answers to the above questions are positive, they may benefit from purchasing the wireless LAN analysis software. Otherwise, it is more cost-effective to hire people with relevant equipment to find and eliminate network faults when a problem occurs in the wireless LAN.

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