009 Root Port VS Designated Ports

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STP stop the loops which occurs when you have multiple links between switches
Prevents loops by placing each switch port in either a forwarding state or a blocking state.
STP picks which interfaces should forward, and any interfaces left over go to a blocking state
Blocking ports drops all the traffic received ( thus prevents loops)
STP stops avoiding Broadcast Storms, Multiple Frame Copies & Database instability.
STP is a open standard (IEEE 802.1D)
STP is enabled by default on all Cisco Catalyst switches
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Exsplained very very well, thank you.

cadencollins
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Does it affect the dhcp if wlan1 (root port) and ether1(designated port) in one bridge, mikrotic ptp sxt lite 5

victorstephano
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Are you saying that a blocking port is a designated port? The statement that every switch will have a designated port is confusing when switch 3 and switch D in the diagrams are labeled as BL and not DP.

ozzman
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The intro was really weird. Why are you bringing allah into networking ?

relaxingvibes