At which OSI layer does BPDU processing occur?

Nov 21, 2024 ... Bridge Protocol Data Units (BPDUs) are network packets that are used in the exchange of information between switches in a network. These packets ... Configuring and managing BPDU protection. BPDU protection is a security feature designed to protect the active STP topology by preventing spoofed BPDU packets ... Oct 10, 2011 ... I need some ports nor send netiher receive BPDU, but still participate in traffic forwarding. On Cisco switches I would do the following configuration on the ... There are two types of Bridge Protocol Data Units (BPDUs): Both of these play a vital role in the STP topology change process. A spanning tree protocol (STP) message unit that describes the attributes of a switch port such as its MAC address, priority and cost to reach. 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 ... I try to find a way to find the Mac source of TCs without port mirroring. Maybe in activate a particular debug on STP. With BPDU Guard a switch will place a port into err-disabled if a BPDU is detected on the port. This is to prevent someone joining the STP topology. Aug 22, 2023 ... BPDU Guard is a feature that defends the Layer 2 Spanning-Tree Protocol (STP) topology against BPDU-related threats and is designed to protect ... ... not send BPDU and all received on these Ports BPDU must be discarded. Such Ports are used to define the STP termination point of the LAN." REFERENCE ...