Hello @ESATshoot
In a vPC setup, two control planes operate independently on each switch, unlike VSS, which utilizes a single control plane. This architecture provides redundancy and load balancing.
In vPC, each switch maintains its own control plane, ensuring that if one switch fails, the other can continue operating seamlessly, preserving network connectivity. This redundancy is crucial for high availability in data center networks. Additionally, vPC allows for better utilization of resources by distributing traffic across both switches, enabling more efficient load balancing. Unlike VSS, where all traffic must pass through the master switch, vPC distributes traffic evenly, preventing potential bottlenecks and optimizing network performance. Real-time scenarios where the two control planes in vPC shine include failover situations, where one switch fails and the other takes over seamlessly, maintaining network operations without interruption. Moreover, during planned maintenance, administrators can bring down one switch at a time for upgrades or maintenance without affecting network availability. This flexibility makes vPC with two control planes an ideal solution for ensuring high availability, scalability, and performance in DC environments.
Best regards
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