Question: Interpreting show stp (1)

certskills
By certskills January 24, 2018 10:05

To analyze Spanning Tree for #CCNA, you need to think about the root switch, then the root ports on the non-root switches, and then designated ports. That analysis usually begins with the show spanning-tree command – a command that packs an incredible amount of meaning into its relatively short output. Mastering every tidbit of meaning from show spanning-tree is a great place to avoid mistakes and pick up points on the exam. Here’s a new practice question that gives you some exercise.

Question

Which answers show facts confirmed by the output from local switch SW4 about the root switch and the listed port G0/1?

  1. The local switch (SW4) is the root switch
  2. Some other switch is the root switch
  3. The output does not confirm whether the local switch (SW4) is the root switch or not
  4. Port G0/1 is a port on the root switch
  5. Port G0/1 is a port on the local switch (SW4)
  6. Port G0/1 is a port on some other switch that may or may not be the root switch

As usual, I’ll post the answer in just a few days. At that time, a link to the answer will appear towards the bottom of this page, just above where the comments begin.

Interpreting show stp (1) - Answers
Answers: Basic EIGRP
certskills
By certskills January 24, 2018 10:05
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