SD-WAN zones are a group of interfaces that share the same SD-WAN settings, such as health check, SLA, and load balancing. Some characteristics of SD-WAN zones are:
* An SD-WAN zone can contain different types of interfaces, such as physical, VLAN, aggregate, and tunnel interfaces1.
* An SD-WAN zone can contain up to 512 members1.
* You can use an SD-WAN zone in static route definitions, as long as the destination interface is also an SD-WAN zone1.
* You can configure up to 32 SD-WAN zones per VDOM1.