V2EX rstp

RSTP

释义 Definition

RSTPRapid Spanning Tree Protocol(快速生成树协议) 的缩写,用于以太网交换网络中防止二层环路,并在链路/设备故障后更快收敛(更快恢复转发路径),是对传统 STP(802.1D)的改进(标准为 IEEE 802.1w,后并入 802.1D-2004)。

发音 Pronunciation (IPA)

/r s ti pi/

例句 Examples

RSTP helps the network recover quickly when a switch link fails.
当交换机链路故障时,RSTP 能帮助网络快速恢复。

In a campus network with redundant uplinks, enabling RSTP reduces convergence time and minimizes user disruption.
在具有冗余上行链路的园区网络中,启用 RSTP 可缩短收敛时间并将对用户的影响降到最低。

词源 Etymology

RSTP 来自英文短语 Rapid Spanning Tree Protocol:其中 Rapid 表示“快速”,Spanning Tree 指“生成树”(通过阻断部分端口来消除环路、形成无环拓扑),Protocol 为“协议”。它是对早期 STP 的快速版本,核心目标是加快拓扑变化后的恢复速度。

相关词 Related Words

文献与著作中的出现 Literary / Notable Works

  • IEEE 802.1wRapid Reconfiguration of Spanning Tree(RSTP 的原始标准文本)
  • IEEE 802.1D-2004:将 RSTP 机制并入 802.1D 的修订版标准
  • Interconnecting Cisco Network Devices (ICND)CCNA/CCNP 相关官方教材与认证指南(讲解 RSTP 与 STP 的配置与原理)
  • Computer Networks(Andrew S. Tanenbaum 等网络教材的二层交换/环路控制相关章节常提及生成树协议族)
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