Some demos:   Bluetooth Low Energy (BLE) technology has enabled Bluetooth badges and other small form factor beacons, to become affordable. Using the Bluetooth radio and Meraki Scanning API, this demo shows a live example of what can be built. https://create.meraki.io/build/bluetooth-tracking/   Investigo is Latin for track or trace out, investigate. Investigo is a bot for Spark, Cisco’s unified communications service, which enables customers to use wireless infrastructure to locate Wi-Fi capable assets. The Investigo is a mash-up bot that uses several solutions: Spark, Tropo and Meraki wireless access points, spanning from the enterprise to the Internet of Things world. https://create.meraki.io/build/investigo-spark-bot-with-meraki-scanning-api/     ... View more

Than fir the tipp.   i figured it out some days ago. The Problem was one of the power saving options the HP Switch has. This was never an issue with other switches yet.   But now it works.  Thanks everybody for your help.   ... View more