In a Cisco SD-Access solution, what is the role of a fabric edge node?
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In a Cisco SD-Access solution, a fabric edge node plays an important role in connecting wired endpoints to the SD-Access fabric. It acts as a termination point for access layer switches and provides connectivity for endpoints such as workstations, servers, and other devices.
The fabric edge node acts as a gateway for the endpoints to reach other parts of the network, including other subnets and the internet. It is responsible for forwarding traffic from endpoints to the rest of the network and for enforcing security policies as defined by the SD-Access solution.
Additionally, the fabric edge node is responsible for performing some network services such as Network Address Translation (NAT), DHCP, and quality of service (QoS). It also participates in the control plane communication with other nodes in the SD-Access fabric.
Unlike traditional networks where each endpoint is connected to a separate VLAN, in a Cisco SD-Access solution, endpoints are connected to the fabric edge nodes which provide segmentation through Virtual Network (VN) technology. VNs are used to group endpoints based on common characteristics such as department, location, or security requirements.
Overall, the fabric edge node is a critical component of the Cisco SD-Access solution, as it provides connectivity, segmentation, and security to the endpoints connected to the network.