


How many lights on the router are normal? 'Recommended detailed explanation of the normal status of the router indicator lights'
php editor Xinyi explains in detail the normal status of the router indicator light. A router is a commonly used network device in our daily life. It displays its working status through indicator lights. Usually, there will be multiple indicators on the router, each indicating a different function or status. Understanding the normal status of the router indicator light is very important for us to determine whether the network is operating normally. In this article, we will explain to you in detail what the different lights mean and their normal status. Let’s find out together!
The first light is on, indicating that the router is powered on.
Which port is plugged in, the light of which port is on, and flashing means data is being transmitted.
Wireless routers usually have three indicator lights: SYS, LAN and WAN. When the wireless router is powered on, the SYS light will light up. When the wireless router is connected to the network modem, the WAN light will light up. The LAN light corresponds to each interface of the wireless router. As long as the network cable is inserted into the corresponding interface, the corresponding LAN light will light up.
#1. If it always flashes, it means it is transmitted by data, and the router settings should be normal.
2. If you have always been able to access the Internet, but you can't get online recently; it is probably a problem with the external line, that is, a problem with the operator (usually there is a problem on the line, causing the data signal to attenuate too much. Although the line is good, the Internet cannot be accessed).
3. Contact the operator to repair the line (such as remaking the optical fiber connector, generally repairing the part in the operator's computer room can solve the problem).
4, you can also try to solve it yourself.
1) Power off and restart the router.
2) Check whether the router configuration and connection are correct and intact.
3) Use a network cable (external line) to directly connect to the computer to view the Internet.
The above is the detailed content of How many lights on the router are normal? 'Recommended detailed explanation of the normal status of the router indicator lights'. For more information, please follow other related articles on the PHP Chinese website!

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The sys of the router means system operating status indication, and the full name is System; the router uses the sys indicator light to inform the user of the operating status of the device. If the router is faulty or restarting, the indicator light will flash; the indicator light of the router can be divided into power Indicator light, sys system indicator light, LAN indicator light and WAN indicator light.

Can. However, you need to pay attention to some issues: 1. Placing the router upside down may have a certain impact on heat dissipation, causing heat to accumulate at the bottom of the router, affecting the heat dissipation effect. Long-term overheating may reduce the performance of the router and adversely affect its lifespan. ; 2. Placing the router upside down may affect the operation and management of the device, and the indicator lights and interfaces may be blocked or inconvenient to operate; 3. Placing the router upside down may also have a certain impact on network security, and the default user name and password may cause This information is more susceptible to prying eyes.

In routers, sn stands for "Serial Number", which means "serial number" and refers to the factory number of the router. The router serial number (SN) and physical address are both hardware identifiers, which are unique; the router will be under warranty only if the router's serial number is kept intact. The router serial number SN can be seen directly in the manual and on the back of the router.

The first light is on, indicating that the router is powered on. Which port is plugged in, the light of which port is on, and flashing means data is being transmitted. Wireless routers usually have three indicator lights: SYS, LAN and WAN. When the wireless router is powered on, the SYS light will light up. When the wireless router is connected to the network modem, the WAN light will light up. The LAN light corresponds to each interface of the wireless router. As long as the network cable is inserted into the corresponding interface, the corresponding LAN light will light up. 1. If it keeps flashing, it means it is transmitted by data, and the router settings should be normal. 2. If you have always been able to access the Internet, but you can't get online recently; it is probably a problem with the external line, that is, a problem with the operator (usually there is a problem with the line, causing the data signal to attenuate too much, although the line is good)

Reasons why the router is connected but cannot access the Internet: 1. Internet service provider problem; 2. Router setting problem; 3. LAN problem; 4. WiFi signal problem; 5. Router hardware problem; 6. DNS problem; 7. Network cache problem ; 8. Firewall and security software issues; 9. Operator restrictions; 10. Equipment failure. Detailed introduction: 1. Internet service provider problems. This is a common reason. Internet service providers may have problems, such as network interruption or service interruption; 2. Router setting problems, etc.

Students who know computers all know that if our computer wants to connect to the network, it must have an IP address. This IP address can be manually configured, such as 172.16.19.20; it can also be automatically obtained by the DHCP server of the computer network card, such as 192.168.1.100 etc. These IP addresses are what we often call IPV4 addresses, and the corresponding IPV6 is also a type of IP address. What is IPV6 IPV6 is a new IP address that emerged in response to the exhaustion of IPV4 address resources. Its full name is "Internet Protocol Version 6", and its Chinese name is the sixth generation of Internet Protocol. The number of IPv6 addresses is theoretically 2^128

The impact of turning off dhcp on the router: 1. The client cannot automatically obtain an IP address; 2. The IP address needs to be configured manually; 3. It may cause network connection problems; 4. It affects the communication of network devices; 5. IP address conflicts; 6. Unable to proceed Dynamic address allocation; 7. Network isolation cannot be performed; 8. Traffic control cannot be performed; 9. Access control cannot be performed. It is recommended that before turning off the DHCP service, carefully consider whether it really needs to be turned off, or keep the DHCP service to ensure that the client can automatically obtain the correct IP address.

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