The Address Resolution Protocol (ARP) is a communication protocol for discovering the link layer address, such as a MAC address, associated with a internet layer address, typically an IPv4 address. The protocol, part of the Internet protocol suite, was defined in 1982 by RFC 826, which is Internet Standard STD 37.

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。

2024年9月27日 · A communication protocol called Address Resolution Protocol (ARP) is used to determine a device’s MAC (Media Access Control) address based on its IP address. There are mainly 4 types of ARP available:

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。

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).

ìAddress Resolution Protocol (ARP) is used to translate between the known IP address and the unknown MAC address ì Translate from network layer → link layer

DHCP 是从 BOOTP（Bootstrap Protocol）演变而来的，在 BOOTP 协议的基础上引进了租约、续 ... 客户端收到了来自 DHCP 服务器的 DHCP Ack 报文，会再发送一个免费 ARP 报文进行探测，目的是确认这个 IP 地址有没有被别人使用，如果没有，就直接使用这个 IP 地址。 ...

3 天之前 · The address resolution protocol (ARP) is a protocol used by the Internet Protocol (IP) [RFC826], specifically IPv4, to map IP network addresses to the hardware addresses used by a data link protocol. When a wireless client sends an ARP request for an IP address of interest, the controller performs a search for that address in its database.

3 天之前 · In order to do this, it sends unicast Address Resolution Protocol (ARP) probes with a default interval of 30 seconds; these probes are sent to the MAC address of the host connected on the other side of the link, and use Layer 2 (L2) as the default source the MAC address of the physical interface out of which the ARP goes and a sender IP address ...

Le protocole ARP, ou Address Resolution Protocol, est essentiellement un mécanisme qui permet à un dispositif d'apprendre l'adresse physique (MAC) correspondant à une adresse IP dans un réseau local.