I've been reviewing my STP knowledge and have come across a problem that doesn't make sense to me.
It goes something like this:
SWa - bid = 1.xxxxx
SWb - bid = 2.xxxxx
SWc - bid = 3.xxxxx
SWA is connected to SWB via fa0/0.
SWA is connected to SWC via fa0/1.
SWB is connected to SWA via fa0/0.
SWB is connected to SWC via fa0/1.
SWC is connected to SWA via fa0/0
SWC is connected to SWB via fa0/1.
This is basically a triangle of 3 switches.
I know that SWa is the root bridge based on the fact that it has the lowest BID.
My studies tell me (or so I think) that
1. The ports on SWa are both designated ports because it is the root bridge.
2. The connection between B and C will be blocked since B can reach C via A (the root brige) and vice-versa.
Is this correct?