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I thought the Root Bridge is the one that traffic goes through...
I mean all other switches forward traffic to it...
What do the BPDUs carry as traffic type?
are they used just for keep alive of the switch ports ?
initially I thought you determine the Root Bridge in function of how you want to route the traffic...
for instance in the topology I posted, SW1 is the Root Bridge, and it would be efficient to make SW2 or SW4 as the RB , and it would be the short path from R1 to R2
Ok what I can retain from this discussion is: STP and Root bridge has nothing to do in the decision of which path the traffic will take...they are just there to prevent the Loop..
So if you have a design that has Access switches/Distribution/ and core switches, where would you put the Root Bridge?
Well, by preventing the loop, you are also affecting the traffic path.
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If SW2 port e2/2 is blocking then the only path for any traffic between R1 and R2 is through SW4-SW3-SW1-SW2.
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