In accordance with the normal application of the topology of computers, routers, cats connected, if the corresponding router LED is not bright, this problem may be connected with the network cable, fault, port failure and other reasons, this article provides detailed troubleshooting ideas.
The WAN port LEDs are not lit
1, check whether the WAN port wiring, check and WAN port connection of the cat is power (network cable households without troubleshooting).
2, confirm Wan Port connection line is loose. Some broadband lines because of too long network cable or poor quality, the router and line adapter is not successful cause led does not light, you can try to replace the better quality network cable.
3, front-end network cable Connection if the LED is not bright, LAN port Normal, with a network cable will be LAN port and WAN port directly connected, if the WAN port led is still not bright, may be the interface damage. Please check the power adapter specifications, if the specifications match, you can contact office inspection.
LAN port LEDs are not lit
1, check the computer to the router between the network cable is loose, resulting in poor contact phenomenon, please reseat the network cable.
2, try to replace the computer to the router's other LAN port comparison test.
3, the use of a network cable, the router to connect any 2 LAN, to observe whether the indicator is normal.
4, if normal, you can first troubleshoot the router port, the computer connected to the corresponding LAN port, the LED is not lit, it is recommended to replace the network cable.
5, if the LED is not lit, to ensure that the network cable connected to other devices can be used normally, it may be a router port failure.