Standard No.:	GB/T 42459-2023
English Name:	Information technology―Telecommunications and information exchange between systems―Local and metropolitan area networks―Specific requirements―Station and media access control connectivity discovery
Chinese Name:	信息技术 系统间远程通信和信息交换 局域网和城域网 特定要求 站点和媒体访问控制连通性发现
Chinese Classification:	L79    Opening and system interconnection of computer
Professional Classification:	GB    National Standard
Source Content Issued by:	SAMR; SAC
Issued on:	2023-03-17
Implemented on:	2023-10-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	54500 words
Translation Price(USD):	1635.0
Delivery:	via email in 1~5 business day

本文件规定了链路层发现协议(LLDP)的多个管理元素，包括操作规程、数据单元发送、接收及寻址、时间格式、代理操作、协议管理和管理信息库定义等。
本文件适用于加强网络管理工具在多厂商环境中发现和保持精确网络拓扑结构的能力，提高多供应商的互操作性。