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QUESTION 7 Which statement is true about TCN propagation? A. The originator of the TCN immediately floods this information through the network. B. The TCN propagation is a two step process. C. A TCN is generated and sent to the root bridge. D. The root bridge must flood this information throughout the network. Correct Answer: A
但是我觉得TCN由发生变化的网桥向上游发送,上游收到后悔发送TCA,一直到跟乔,之后跟乔发送TC报文 通知全网网络发生变化。所以选C。求高手指点。谢谢。。
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