Free CCNA | Spanning Tree Protocol (Part 1) | Day 20 | CCNA 200-301 Complete Course

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Great

Thanks

also multiple times you were saying this port wins by lowest mac but how did you calculate it ? hole mac address or calculating the uniqui id cost only? does we include oui cost or only device id cost ? devil hides in details so just want to make sure how did you do it and the correct way to calculate mac address cost so we can fast determine which well be the root bridge ^_^

one question master Jeremy, when you say port is in blocking state you mean it well block all traffic or just broadcast frames blocking them so they wont make l2 broadcast storm (loop)? they port continue forwarding all traffic normaly as redundancy or load balance or static routing normaly but blocking broadcast packets ? or everything ? if yes only broadcast frames are blocked only it means after failure or root port it sense's there is no bpds coming and change state of blocked port to forwarding so the system continues sending data?

at 31.13 how did sw2 g0/0 became designated port? they both have same cost same priority id 32769?

first time in life didnt understand anything what priority what mac add value whats happening , who are they what do they want from us are aliens yellow 🤔

I found this video difficult

C

this is the hardest part of the course so far

Thank you sir. Passed CCNA today because of you. Getting interested to pass CCNP
Inshaa Allah... you are an amazing mentor...

1st question answer has tiny error

I will like to ask this question while configuring STP on switches on L2, the Priority, Root Bridge can this be decided automatically the switches

This lesson for me, is more difficult to understand, but you teached very good, because that now i know very well that lesson about STP, thank you very much for it, you are the best CCNA teacher of the world.

ExSIM question : the answer is c) All access ports

Regarding quiz 5, shouldn't g0/0 of sw2 be designated and g0/1 of sw4 be nondesignated because sw2 has a lower mac address (and thus a lower bridge id)?

The most clear lecture I've learned about STP. Thanks Jeremy

I'm really thinking i'll never pass my CCNA! I get SO confused all the time. A path that had a cost of 0, has now a cost of 4 in the quiz (quiz 3). I'm lost again.CCNA is giving me headaches and i've been studying for so long 🤒🤕

HI Jermy, I been staring at Quiz 6 Qs for last 24 hrs. Root cost has to be same for interface on F interfaces. 30.44 you explained that SWITCH with lower ROOT COST will be Designated. But then later in slide you said interface with lower root cost will be D. What does switch logic will think in this? Does SW2's F interfaces going to ask other interfaces, hey are we close to the root bridge? Please let me know if I am wrong in this thinking...

With my poor English, I had to watch the video 3 times to understand tks you, motivational person

to quiz 6 the root network is at switch 4 with lowest PRI 20481, the designated is at G0/2 and G0/0 then the non-designated is at switch 1

the real port is from switch 3 with PRI: 32769 and MAC :014A.3821.2981

C- all access ports, because we just use portfast in interfaces directly connect to an end host

i am in trouble to find the " Outgoing interface " . which one is sending / receiving interface ? in Root cost part

This has to be one of your best videos. Learnt everything as I was taking notes throughout and hardly forgot a thing. Absolutely amazing explanations.

awesome sir ur the borer and driller u wonderfully bore and drill to the root of every concepts made so simple hatsoff ,none explained so till date in the online i have searched so far, thankyou

For the Boson ExSim question, the correct answer is C. "All access ports", this is correct simply because you cannot set portfast on trunk links nor is all ports correct because some ports can be trunk or not have a host connected to them. You would use portfast on ports that have an end device connecting to the port and basically it skips through all the listening, learning states and straight into a forwarding/designated state.

this was ruff... had to really pay attention to this one.

All access ports

Boson ans: it will on all non trunking port , access port

Is applying STP more effective than deleting redundant frames from the switches to avoid loops?

Thank you so much for this explanation Jeremy. Until now i wasn't able to understand this concept very well. Never stop teaching, you are a natural !!!

I have one question about STP. When I want to have a specific switch with the role of root bridge, I have to set priority 0 or to set root primary command?
Thank you very much for your videos and for your help Jeremy!!!

I am confused about quiz 5 and 6. Lets focus on quiz 6, Step 3: find designated and non designated interfaces. How is it that both of SW2 FA int the designated one for having the lower root cost when they are all FA, so all costing the same?

Why I can’t get my cards no matter how many times I enter my email I get nothing

Like a lot of other ppl quiz 5 is super confusing. Is he saying any switch connected directly to the root bridge has a root cost of zero? Ive watched this video 4 times and the root cost doesnt make a lot of sense

Portfast will be enabled only at access ports.

Hi Jeremy - Your videos are just excellent - Thank you😊

@Jeremy's IT Lab In Quiz 5 SW2 and SW4 have the same cost. SW2 has the lower bridge id. Shouldn't SW2 Int G0/0 be the designated port and SW4 G0/1 be non-designated?

Thank you ,from Egypt

in quiz 6 how does the sw2 fa1/0 and 2/0 have lower cost compared to sw1 fa1/0 and 2/0? Both sw ifaces are fast ethernet, so the same cost, no? Or did you mean because of lower bridge id? confused....

gg

Till here
The spanning tree was a little hard