交换机与路由器的区别与协同工作 一、区别 交换机和路由器虽然都是网络设备，但它们在功能、作用以及应用场景上有着明显的区别。 1. 功能差异 交换机：交换机主要作用是连接局域网内的设备，实现网络数据的快速转发。它通过学习并维护一个MAC地址表，将数据包从一个端口转发到另一个端口，从而实现网络设备的互连。 路由器：路由器则负责连接不同的网络，实现网络之间的数据传输。它具有路由功能，可以根据网络层的信息（如IP地址）进行数据包的转发和路由选择。

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2. 作用范围 交换机：主要在局域网内部发挥作用，用于连接同一局域网内的设备。 路由器：则跨越不同的网络，实现不同网络之间的连接和数据传输。 二、协同工作 虽然交换机和路由器在功能上有所不同，但它们在网络中是协同工作的。在一个完整的网络系统中，交换机和路由器通常都会被使用。 1. 协同连接 在局域网内部，交换机负责连接各种设备，如电脑、服务器、打印机等。当这些设备需要互相通信时，交换机通过其快速的转发能力将数据包从一个设备转发到另一个设备。 当需要连接不同的网络时，路由器就发挥了作用。它根据网络层的信息进行路由选择，将数据包从源网络转发到目标网络。 2. 数据传输 在数据传输过程中，交换机和路由器共同完成。首先，数据包从源设备出发，经过交换机的快速转发到达路由器。路由器根据路由表选择最佳路径，将数据包转发到目标网络。然后，目标网络中的交换机再次负责将数据包快速转发到目标设备。 三、翻译成英文 Differences and Collaborative Work between Switches and Routers I. Differences Although both switches and routers are network devices, they differ in function, role, and application scenarios. 1. Functional Differences

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Switch: The main function of a switch is to connect devices within a local area network (LAN) and achieve rapid forwarding of network data. It learns and maintains a MAC address table to forward data packets from one port to another, thereby interconnecting network devices. Router: A router is responsible for connecting different networks and enabling data transmission between them. It has routing functions and can forward data packets and select routes based on network layer information such as IP addresses. 2. Scope of Operation Switch: It mainly plays a role within a LAN, used to connect devices within the same network. Router: It crosses different networks, enabling connections and data transmission between different networks. II. Collaborative Work Although switches and routers differ in function, they work together in a network. In a complete network system, both switches and routers are usually used. 1. Collaborative Connection Within a LAN, switches are responsible for connecting various devices such as computers, servers, printers, etc. When these devices need to communicate with each other, the switch rapidly forwards data packets from one device to another through its fast forwarding capability. When it comes to connecting different networks, routers take over. They select routes based on network layer information and forward data packets from the source network to the destination network. 2. Data Transmission Switches and routers work together during the process of data transmission. First, a data packet leaves the source device, is rapidly forwarded by the switch to reach the router. The router selects the best path based on its routing table, forwards the data packet to the destination network. Then, the switch in the destination network is responsible for rapidly forwarding the data packet to the target device.