Web在运行rstp协议的网络中,根端口和其他阻塞端口状态是依靠不断接收来自上游交换设备的rst bpdu维持。 当由于链路拥塞或者单向链路故障导致这些端口收不到来自上游交换设备 … Web通过执行命令 stp tc-protection 启用防拓扑变化攻击功能后,在单位时间内,交换设备处理拓扑变化报文的次数可配置(缺省的单位时间是2秒,缺省的处理次数是1次)。如果在单位 …
RSTP的保护功能 - S7700 V200R019C10 配置指南-以太网交换 - 华为
WebJun 7, 2024 · RSTP предусматривает два типа соединения: точка-точка (point-to-point) – к такому порту подключен только один RSTP коммутатор;общий (shared) — к такому порту подключено несколько RSTP коммутаторов (через хаб, что в наше время ... WebMar 21, 2015 · For 802.1w, a TC will occur if a port moves into a forwarding state (not a blocking state). So that means, if a user restarts their computer or any other device when it begins forwarding, if it is not configured for PortFast, then it will trigger a TCN. This TCN will propagate through 802.1w devices causing the devices that receive to flush ... coffin bay tide times
【技术干货】STP详解-STP、RSTP、MSTP - 知乎 - 知乎专 …
WebSince the TC-bit set (topology bit set) is sent by all switches any changes learned on other switches instantly purges the mac-addresses entries and updates the current CAM table learned for the TC-bit set. ... With RSTP, by default, a TCN-message is generated when the state of the link goes up or down since the switchport is a bridge as well ... WebAug 12, 2024 · RSTP收敛快之处. 1、STP中,根桥按照Hello Timer规定的时间间隔发送配置BPDU报文,其他非根桥设备在收到上游设备发送过来的配置BPDU报文后,才会触发发出配置BPDU报文,此方式使得STP协议计算复杂且缓慢。. 2、RSTP对此进行了改进,即在拓扑稳定后,无论非根桥设备 ... coffin bay post office