Designated Ports vs Root Ports??

Hey everyone,
I'm unclear of the difference between the Designated Ports and Root Ports?
I know Root Ports are the ones with lowest cost to get to the Root Bridge. So, what does the Designated Port do? I'm very unclear about this.


  • Hey Martin,
    thanks for the reply. I'm still confused. DPs are always forwarding BPDUs, what does RP do?
    if a switch has multiple paths to the Root Bridge, after RP is selected, how will it select the DP?


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