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Spanning Tree Design Notes
Spanning Tree Design Notes
BPDU Filter
Spanning tree port fast –> Always use BPDU Filter
BPDU Filter will filter [ NOT SEND Or Receive ] BPDUs on the that port , usually recommended on the Port fast connected to END Hosts.
BPDU Guard====> Trunk ports —> Always use BPDU Guard on the ROOT SWITCH doing down to the other Switch , This is to save the Root switch , instead of getting another switch as Root which can cause your network layer 2 convergence and loop may occur.
Note: BpDu guard will put the port in error disable mode if it recieves superior BPDU on the port connected to other switches.
spanning-tree up link fast==> use this when to minimize the convergence of STP for up-links connected to the ROOT SWITCH
spanning-tree backbone fast===> Use this on all switches [ Root and non-root ] to reduce the STP up-link convergence time to the switches which are not connected DIRECTLY to the ROOT switch.
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