BPDU Guard, BPDU Filter, Root Guard, Loop Guard & UDLD

BPDU Guard: Prevents accidental connection of switching devices to PortFast-enabled ports. Connecting switches to PortFast-enabled ports can cause Layer 2 loops or topology changes. BPDU filtering: Restricts the switch from sending unnecessary BPDUs out access ports. Root Guard: Prevents switches connected on ports configured as access ports from becoming the root switch. Loop Guard: The …

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