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This article is about the gateway and router in the computer. Xiaobian thinks it is quite practical, so share it with everyone for reference. Let's follow Xiaobian and have a look.

Gateways and routers are different; gateways are mainly used to connect two different networks, while gateways can also communicate with hosts on both sides at the same time, while routers are network layer devices, usually in packets.

Operating environment: Windows 7 system, Dell G3 computer.

1. Essential difference

Gateway This device is mainly used to connect two different networks, and at the same time, the gateway can also communicate with hosts on both sides. However, the hosts on both sides cannot communicate directly, and must communicate through the gateway. The gateway works in the application layer.

Routers are network layer devices that usually send data in packets. In the router's sub-interface, there is a role in dividing the broadcast domain, so when we use the switch to do VLAN, we must do a three-layer route on the router.

2, the difference between the way of use

Gateway It can be a router, switch or PC. Communication within the same network segment does not require gateway intervention. Only when the host communicates with devices other than the network segment, it is necessary to send all data packets to the gateway device, and then forward them via the gateway device or route them.

Router is a network layer system, routers in the current market is generally divided into two categories, one is a single-protocol router, the other is a multi-protocol router. Routers, which can convert data formats, become necessary for network interconnection between different protocols.

3. Functional differences

Gateway can be divided into transmission gateway and application gateway, its function is to act as a conversion task, essentially a network to other networks IP address.

The main functions of routers are: connectivity between different networks and information transmission. According to the use can be divided into: access, enterprise class, backbone class, terabit, multi-WAN and 3G wireless.

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