How many VM NICs are required when deploying a vSmart controller on VMware ESXi?
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Correct answer: 2.
Why this is the answer
A vSmart controller requires two VM NICs when deployed on VMware ESXi. One NIC is for the VPN0 interface, which handles overlay network traffic and connects to other SD-WAN devices (vEdges, cEdges, vManage, vBond). The second NIC is for the GigabitEthernet0 interface, used for out-of-band management access, allowing administrators to configure and monitor the vSmart controller. While more NICs could be configured for redundancy or specific network segmentation, two are the minimum required for basic functionality and connectivity in a typical SD-WAN deployment.
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