Which subnets must exist in an Azure VNet for a WAN Edge (CSR) cloud deployment?
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Correct answer: VNet must include public and services subnets; the Microsoft underlay handles management..
Why this is the answer
For a Cisco SD-WAN WAN Edge (CSR) cloud deployment in Azure, the VNet must include two specific subnets: a public subnet and a services subnet. The public subnet is used for external connectivity and communication with the SD-WAN fabric, while the services subnet is for internal communication and services. Azure's underlying infrastructure manages the CSR's management plane, eliminating the need for a dedicated management subnet within the VNet. The option stating only a single public subnet is incorrect because the services subnet is also essential for proper operation. The option suggesting three subnets (management, public, and services) is incorrect as Azure handles management. The first option is a general statement about CSR support but doesn't specify subnet requirements.
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