What is the role of a control-plane node in a Cisco SD-Access architecture?
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https://netaavi.com/my-blog-1/f/overview-of-sda-fabric-solutionIn a Cisco SD-Access (Software Defined-Access) architecture, the control-plane node is a critical component that plays a key role in managing the overall network operations. The control-plane node is responsible for the central management and configuration of the network. It provides a centralized point of control for the network infrastructure, allowing for efficient and effective network management.
The primary role of the control-plane node is to act as a map system that manages endpoint-to-device relationships. It maintains a database of all endpoints connected to the network, including information on their location, identity, and network access policies. This information is then used to enforce network policies and access controls across the entire network infrastructure.
The control-plane node also plays a crucial role in connecting wired endpoints to the SD-Access fabric. It acts as a fabric device that bridges the gap between the physical network infrastructure and the SD-Access fabric. This allows for seamless integration of wired endpoints into the SD-Access network, providing a consistent and uniform network experience across all endpoints.
In addition to connecting wired endpoints, the control-plane node also connects wireless endpoints and APs (Access Points) to the SD-Access fabric. It acts as a fabric device that bridges the wireless network with the SD-Access fabric, allowing for seamless integration of wireless endpoints into the SD-Access network.
Lastly, the control-plane node manages external Layer 3 networks. It acts as a map system that maintains information about external Layer 3 networks, including routing information and network policies. This information is used to provide secure connectivity and access to external networks while maintaining the overall security of the SD-Access network.
In summary, the control-plane node is a critical component of the Cisco SD-Access architecture, providing centralized management and configuration of the network. Its primary role is to act as a map system that manages endpoint-to-device relationships, connecting wired and wireless endpoints to the SD-Access fabric, and managing external Layer 3 networks.