Does the master switch in a stack handle all BPDU communication? What are the implications of a master switch failure on spanning tree convergence and BPDU exchange in a stack?

Apr 14, 2025 ... CBT Nuggets trainer Keith Barker briefly discusses BPDU Guard, in order for you to be able to answer this question: What does BPDU guard do, ... In this Cisco CCNA training tutorial, you'll learn about Spanning Tree Portfast, BPDU Guard, and Root Guard. Scroll down for the video and also text tutorial. The firewall rewrites the inbound Port VLAN ID (PVID) number in a Cisco per-VLAN spanning tree (PVST+) or Rapid PVST+ bridge protocol data unit (BPDU) to the ... Nov 29, 2021 ... What is BPDU (Bridge Protocol Data Unit)? · Designated Port · Non-Designated Port · Alternate · Root port. Feb 17, 2021 ... A BPDU or Bridge Protocol Data Unit is a frame that is exchanged between switches in an extended LAN that uses Spanning Tree Protocol (STP) ... BPDU Guard is basically an STP feature for switch safety. It is used on switch ports configured with STP Portfast towards hosts. This STP feature is used to ... Mar 16, 2013 ... They are currently connected to a switch, which has an uplink to router that monitors for redundant ports using the Spanning Tree Algorithm. Jan 17, 2010 ... BPDU Filtering. BPDU Filtering allows to stop sending/receiving BPDUs on a port depending on how is configured. If it is configured from global ... Apr 6, 2023 ... All spanning-tree protocols use a special type of frame called bridge protocol data units (BPDUs) to communicate with each other. Other devices ... Jan 18, 2022 ... Types of Bridge Protocol Data Unit(BPDUs) ... Bridge Protocol Data Units (BPDUs) are the messages that are transmitted across LAN networks to ...