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When working with Cisco SD-WAN labs, it's important to understand several key knowledge points:
1. SD-WAN Overview: Cisco SD-WAN is a part of the software-defined networking (SDN) technology that provides a centralized approach to network management. It abstracts the underlying network infrastructure from its applications, offering advantages like automation, simplification of operations, provisioning, monitoring, and smart troubleshooting.
2. Cost and User Experience: One of the major advantages of SD-WAN is the potential for cost reduction and improved user experience. It supports various types of connections, allowing for cost-effective choices for low-priority traffic and more robust options for high-priority traffic.
3. Cisco SD-WAN Solution Components: The solution comprises four key components, each responsible for a different plane:
• Cisco vManage: Handles the management plane and serves as the user interface.
• Cisco vSmart: Acts as the control plane's brain, enforcing policies and exchanging routing information.
• Cisco vBond: Manages the orchestration plane, responsible for device onboarding and Zero-Touch Provisioning.
• Edge Routers: Form the data plane, establishing the network fabric and forwarding traffic.
4. Planes in Cisco SD-WAN: There are four planes in the Cisco SD-WAN solution—Management, Control, Orchestration, and Data planes. Each plane has a specific role in the overall architecture.
5. Deployment and Design: Understanding the deployment process and design considerations is crucial. This includes knowledge of control and data plane operations, routing, authentication, and onboarding of SD-WAN devices.
6. Quality of Service (QoS): QoS in SD-WAN ensures that critical applications receive the bandwidth they need to perform optimally. This involves configuring policies to prioritize traffic based on business needs.
These points provide a foundational understanding of Cisco SD-WAN, which is essential for working effectively in labs and real-world scenarios. For a hands-on experience, it's recommended to explore Cisco's lab environments and practice configuring and managing the SD-WAN solution. Remember, practical experience is key to mastering SD-WAN technologies.