My company recently deployed some new card readers throughout the building. We hired a security company to install and manage them. The security guys came out for the install, and got them all setup and connected to WiFi. The devices seemed to connect just fine, and work properly. The company manages the setting remotely, so the install guys called and verified that the readers are showing as offline, and unable to get home. They claimed no incoming ports need to be opened, and only outgoing traffic needs to be allowed. I double checked that our Meraki FW is not blocking any outgoing traffic. To get around the issue we had to purchase a hotspot from a wireless provider, but it sure would be nice to have them working on my network as expected. A few weeks later we got a few of those room monitoring devices for our conference rooms and the same issue occurred with those... Any idea what could be interfering?   NOTE: APs, switches, and FW all Meraki brand.  ... View more