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.

Comments

  • MartinlMartinl ✭✭✭

    on the opposite site of Root port u will have DP, designated port. Root switch will have all its ports as DP.
    so, DP are ports downstream whereas Root ports are upstream.

  • 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?

    Thanks

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