ARP（Address Resolution Protocol，地址解析协议）是一种用于将网络层地址（如 IP 地址）解析为数据链路层地址（如 MAC 地址）的协议。 ARP 在局域网（LAN）中广泛使用，帮助设备在通信时确定目标设备的物理地址。 ARP 的核心功能是通过广播请求和单播响应，将 IP 地址解析为 MAC 地址。 1. ARP 请求. 当设备需要与目标设备通信时，如果不知道目标设备的 MAC 地址，它会发送一个 ARP 请求广播包，询问"谁拥有这个 IP 地址？ "。 发送方广播 ARP 请求包，询问 …

2021年9月9日 · ARP（Address Resolution Protocol）地址解析协议是一种用于将IP地址解析为物理地址的协议。在TCP/IP协议中，数据包的传输需要知道目标主机的MAC地址，而IP地址只是逻辑地址，不能直接用于数据包的传输。

2024年9月27日 · The acronym ARP stands for Address Resolution Protocol which is one of the most important protocols of the Data link layer in the OSI model. It is responsible to find the hardware address of a host from a known IP address. There are three basic ARP terms.

2024年11月16日 · GARP（Gratuitous Address Resolution Protocol）是一种特殊的ARP请求，用于主动更新网络中其他设备的ARP缓存。 GARP通常用于网络设备的IP地址发生变化时，确保其他设备能够及时更新其ARP缓存。

2024年9月16日 · ARP (Address Resolution Protocol) is the protocol that bridges Layer 2 and Layer 3 of the OSI model, which in the typical TCP/IP stack is effectively gluing together the Ethernet and Internet Protocol layers. This critical function allows for the discovery of a devices’ MAC (media access control) address based on its known IP address.

2024年11月30日 · An ARP (Address Resolution Protocol) table is built by collecting responses to ARP queries. These queries and responses are logged before a device transmits a packet on the network. Let's break down the process:

2020年11月15日 · ARP table is a list of MAC address (Layer 2) to IP address (Layer 3) bindings. ARP requests are broadcast between all Layer 3 devices and sent on the shared local subnet. That is done to update (populate) each ARP table per hop between source and destination.

Address Resolution Protocol (ARP) is a protocol or procedure that connects an ever-changing Internet Protocol (IP) address to a fixed physical machine address, also known as a media access control (MAC) address, in a local-area network (LAN).

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2023年6月1日 · ARP Reply: A direct response to the requester with the MAC address. RARP (Reverse ARP): Used to obtain an IP address using a MAC address. ... Security Concerns with ARP. ARP doesn't have built-in security features, leading to potential vulnerabilities: ARP Spoofing/Poisoning: A malicious device can send fake ARP messages to associate its MAC ...