What are the functions of a router?

Router functions: 1. Realize network interconnection and realize Internet access through NAT conversion technology; 2. IP address allocation and management, providing DHCP server function; 3. Provide user security management, including account number, password, Internet time, blacklist, etc.; 4. Data traffic management, traffic statistics of each Internet user, speed limit, etc.; 5. Various special functions, guest Internet access, scheduled shutdown, DMZ host, etc.

First of all, the router definition means that the router works at the network layer, also called a gateway device; it has the ability to determine IP addresses and select The function of routing; it can isolate the LAN broadcast domain and complete the communication between different VLANs; establish a communication bridge between the source address and the destination address; connect the node hubs of various networks.

So what are the functions of a router?

1. Realize network interconnection and access the Internet through NAT conversion technology;

2. IP address allocation and management, providing DHCP Server function;

　3. Provide user security management, including account number, password, online time, blacklist, etc.;

　4. Data traffic management, traffic statistics of each Internet user, speed limit etc;

　5. Various special functions, guest Internet access, scheduled shutdown, DMZ host, etc.

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