What does router sys mean?

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 router's sys Indicators can be divided into power indicators, sys system indicators, LAN indicators and WAN indicators.

The operating environment of this tutorial: Windows 10 system, DELL G3 computer.

What does the sys of the router mean?

The full name of sys is System, which is the system running status indicator light. And it uses this light to inform the user of the operating status of the device. If it fails or is restarting, it will flash differently than usual.

The indicator lights of the router can be divided into four types, namely the power indicator light, SYS system indicator light, LAN indicator light, and WAN indicator light. The meanings of their respective lights are as follows:

Power indicator The light is a light that must be always on on the router. It indicates that the router is connected to the power supply normally. If it does not light up, it means there is a problem with the power supply or the power supply contact is poor;

• PWR power indicator light → Normal Lights up to indicate power is on.

• WAN port indicator → Flashing indicates wide area network (broadband) connectivity.

• The LAN port indicator light → flashes to indicate that the wireless network is transmitting data normally.

• 1~4 indicator lights → flashing indicates that the device connected to this port by the network cable is operating normally.

##Expand knowledge

##The SYS system indicator light indicates that the router is working normally. It flashes in normal state. If it does not light up or is always on, it means that there is a problem with the router's system and the router needs to be restarted or reset;

The LAN indicator shows the working status of the router's LAN interface. The LAN interface is connected to the computer. If you connect the network cable to the computer's network card interface, the LAN indicator will light up after turning on the computer. If it does not light up, Indicates that there is a problem with the interface or network cable;

Router operation mode

(1) Workstation A sends the address 12.0.0.5 of workstation B together with the data information in the form of a data packet Sent to Router 1.

(2) After receiving the data packet from workstation A, router 1 first takes out the address 12.0.0.5 from the header, and calculates the best path to workstation B according to the path table: R1->R2- >R5->B; and sends the data packet to Router 2.

(3) Router 2 repeats the work of Router 1 and forwards the data packet to Router 5.

(4) Router 5 also takes out the destination address and finds that 12.0.0.5 is on the network segment connected to the router, so it directly delivers the data packet to workstation B.

(5) Workstation B receives the data packet from workstation A, and a communication process ends.

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