How can you disable spanning tree on specific VLANs or interfaces and what are the risks? What are the use cases for disabling spanning tree on certain ports?

Jun 28, 2016 ... Solution: Add a layer 2 firewall filter to match the BPDUs destination Mac address and discard the BPDUs. Nov 5, 2022 ... BPDU Guard is a security feature found in multiple networking devices. It helps to prevent attacks on a network by blocking Bridge Protocol Data ... Feb 16, 2024 ... Bridge Protocol Data Unit (BPDU) is a term commonly used in computer networking to refer to a specific type of data unit that is exchanged ... Dec 23, 2010 ... A discussion of config of Cisco switches for use with VMware advises to set physical ports connected to vSwitch with bpduguard and portfast. Jul 7, 2019 ... STP - root bridge selection and Hello BPDU Today I will talk about the details of the root bridge selection process and Hello BPDU frame. Nov 29, 2021 ... What is BPDU (Bridge Protocol Data Unit)? · Designated Port · Non-Designated Port · Alternate · Root port. BPDU blocks all VLANs on the port. Island Name could be a delimited field in ... own-Island BPDUs and other-Island BPDUs, and ignore the latter. Again ... Feb 26, 2025 ... BPDU Guard is used to protect the Spanning Tree topology of a network by enforcing STP domain borders. If a port with BPDU Guard enabled on it ... Configuring and managing BPDU protection. BPDU protection is a security feature designed to protect the active STP topology by preventing spoofed BPDU packets ... STP and RSTP have features that help the network work better and more securely, such as Portfast, BPDU Guard, and Root Guard.