Portnox offers a secure method of white listing devices. Sometimes a device does not have an IP Address. Sometime it has an IP address but it is not reachable by any remote query. In order to cope with those situations Portnox CORE has a unique authentication method of locking a device to a certain switch port / VLAN / Switch / Hive (Group of switches).
In the following movie the concept is demonstrated and explained:
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