



How do BPDUs help in establishing a single logical path between any two points in a network?
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what is bpdu
- How does BPDU flooding work?
- How can fiber optic cables and transceivers impact BPDU signal integrity? What are the common causes of intermittent spanning tree issues related to BPDU loss or corruption?
- What is the Internal Spanning Tree (IST) in MSTP? How are IST BPDUs encapsulated within MSTP BPDUs?
- What is the significance of the MAC address in the Bridge ID? How does the administrative configuration of bridge priority influence BPDU contents?
- What are the benefits of using more recent spanning tree protocol versions like RSTP and MSTP in terms of faster convergence and topology change handling via BPDUs?
- What are M-records in MSTP BPDUs? How does VLAN information get incorporated into MSTP BPDUs?
- What are the considerations for running spanning tree in a data center environment with high bandwidth and low latency requirements?
- What happens when a bridge receives a BPDU with the same Root ID but a lower (better) Bridge ID or Port ID?
- How do virtual port channels (vPCs) in Cisco environments handle BPDU exchange for loop prevention? What are the peer-link and peer-keepalive mechanisms in vPC and how do they relate to BPDU processing?
- How does the proposal/agreement handshake in RSTP BPDUs speed up the convergence process? What are the different port roles in RSTP (Root, Designated, Alternate, Backup, Edge) and how are they determined through BPDU exchange?
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