Prerequisites

To ensure a smooth connection between every SD-WAN appliance and the components/devices to be reached in the Cloud for deploying your network, check that the following ports are open.

From SD-WAN appliance	to Server/Portal in the Cloud	Type of Communication	Port
	ZTP provisioning and configuration	https	443
	SD-WAN Orchestrator	https	443
	Supervision	kafka	443
	Reverse SSH troubleshooting	TCP	22
	Upgrade	http https	80 443
	NTP clock synchronization	UDP	123