Hello friends, I want to thank every answer to this post. I knew that a port with spanning tree in blockin state has not any relation with being "down", I was surprised with some answers. What surprised me, is that one port were in forwarding state and the port in front be in blocking state. For me, there is no sense in having one port in forwarding state when the port in front is in blocking state, why not both in blocking state?? I know that RFC's stablish the rules but I want to understand the sense.
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