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Forum Replies

  1. Hi Rene,

    I just want to say - Thank You!!

  2. Alan,

    1. The cost is 19 because the line speed connecting the switches is fast ethernet (100 meg), which is assigned a cost value of 19 by STP. Port 18 (FastEthernet 0/16) is the port that connects Switch B to the root bridge. To be honest, I haven’t figured out why it is assigned a value of “18” instead of “16” (the actual physical interface port).

    2. A port moves out of the BLOCKING state once it stops hearing BPDUs coming in on that interface for the MaxAge amount of time (20 seconds by default). In other words, BPDUs must continue to be received in order f

    ... Continue reading in our forum

  3. Thanks for the clarification.


  4. Uff.Atlast my assumption is correct.

    Thanks for your lab work and confirmation.

    Can someone give good document for the following interoperability case

    1. pvst+ and 802.1D
    2. rstp and pvst+/802.1D
    3. mstp and rstp/pvst+/802.1D



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