问答题
hy you use Spanning-tree？ Difference between PVST & MST.
We uses STP to privides path ......
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问答题 whatisthedifferencebetweentheHSRPandVRRP？
问答题 whatistheroutingfamilywhichtherouterhastobuildmapfortheroutingdomain？
问答题 AutoRPmappingagent是什么，224.0.1.39是起什么作用？
