What are two design advantages to using virtual port channel? (Choose two.)
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A. B. C. D. E.AC.
Virtual Port Channel (vPC) is a network design technology that provides active-active redundancy for network devices, such as servers, switches, and routers. It allows two or more devices to act as a single logical device, enhancing system availability and providing a more efficient way to manage traffic. Here are two design advantages to using vPC:
A. Enhanced system availability through multiple systems: One of the main advantages of using vPC is the ability to provide redundancy through multiple systems. In traditional network design, redundancy is often achieved through a backup link or a secondary device that is only active when the primary device fails. With vPC, both devices are active and forwarding traffic, creating a more resilient network that can withstand device or link failures. This design approach improves system availability and helps to prevent network downtime.
E. Enhanced ability to recover from Spanning Tree Protocol changes: Another advantage of using vPC is the ability to recover quickly from Spanning Tree Protocol (STP) changes. STP is a protocol used in network design to prevent loops in the network topology. However, it can also cause network downtime and slow convergence times when changes occur. By using vPC, network designers can eliminate STP blocking ports, allowing traffic to flow on all available links. This design approach improves network convergence times and reduces the risk of network downtime due to STP changes.
In conclusion, vPC provides several advantages in network design, including enhanced system availability through multiple systems and improved ability to recover from STP changes. These benefits make vPC an attractive option for network designers looking to improve the resiliency and performance of their networks.