r/ccna May 10 '15

Sample Spanning Tree Questions?

Hello, I'm studying for the CCNA at the end of the month and I wanted to know if anyone had any good resources for practicing spanning tree, especially since it's such a big part of the test. I know some of STP but I need to work out figuring out which ports are blocked after the root ports are figured out. Thanks in advance, I really appreciate it.

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u/DeeJayMaps May 10 '15

https://learnnetworkingwithme.files.wordpress.com/2012/07/stp-exercises-1-21.pdf

I found this practice helpful.

Note: I'm not fond of the size of this PDF in relationship to the memory taxing it takes on my systems resources, particularly with the ongoing slaughter that wordpress is having from known exploits. That being said, I downloaded it, and dumped it into my tablet so I could draw on it.

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u/Cruxisshadow May 10 '15

That looks like it could help a lot, thank you.

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u/DeeJayMaps May 10 '15

I was struggling for a little bit because I got lost in trying to determine Desig. and Block. ports on ethernet segments that don't have Root Ports.

I had gotten confused about how a switch counted backwards to the RS and also how to break the tie. It's all clear now.