Network Access Fix ~4 min

A lobby port went dead — BPDU Guard fired

Fa0/1 is an access port with PortFast + BPDU Guard. Someone plugged in a personal mini-switch that sent a BPDU. BPDU Guard did its job — Fa0/1 is now err-disabled. The rogue device has been removed. Recover the port.

SW1

Objective

○Fa0/1 recovered (not err-disabled and not shutdown)

Hints

Hint — the recovery sequence

enable
configure terminal
 interface fa0/1
  shutdown
  no shutdown
  end
show interfaces status err-disabled