A Router is a computer network device that transfers packets of data from one network to another (selecting the path of the data) . This process is called routing. A router is a device that connects two or more individual networks. Routing operates at the third layer of the OSI model -- the network layer, such as the Internet Protocol (IP) layer.

Determine if a 4g router with eternal antenna is down or dead:

1.First of all, check the placement of the router environment is ventilation, if the heat is not timely, will cause a crash situation;

2. Then check for viruses, such as ARP

Then in 192, nanotechnology XP system download. 168.0.1 configuration interface,“Advanced settings”→“Advanced network settings”activation“Ignore reply from Wan Ping”, finally reset, reset the router.

In addition, routers often appear disconnected solution:

1) first make sure there is no problem with the outside line, do not connect directly to the router modem will fall off the line;

2) next, check if anyone is using BT, or P2P software such as Thunderbolt, emule is downloading. If so, it is recommended to try whether it is stable without downloading;

3) finally in the routing management interface tool→other items, enable ignore from Wan Ping and turn on DOS protection, reset the device, or software updates;

4) then check if your PC is infected with the virus, and if so, deal with it as soon as possible