该指标用于在指定端口和根端口选择算法。

This metric is used in the designated port and root port selection algorithms.

youdao

到达了我的根端口，那么我的所有阻塞端口都将变成潜在的到达根的备选路径。

Second, if the inferior BPDU arrives on the Root Port, all blocked ports become potential alternative paths to the Root Bridge.

youdao

在源wsdl面板上选择端口类型结点，然后将其拖放到根目标WSDL结点上。

Select a port type node in the source WSDLs panel and then drag and drop over the root target WSDL node.

youdao