Using Cisco Aironet 3800 series AP's, why would a device be allowed to connect to AP, then get dropped after a while, and UI page shows devices somehow shows up as 0.0.0.0? We have industrial devices that go down to 1Mbs in order to keep connected to...

First time user. Looking into Cisco Aironet 3800 series AP's capabilities.   Wireless networks 4. Virtual. Access points 51. 2.4Ghz clients 141, 5Ghz clients 389.   We have 802.11g 2.4Ghz legacy industrial devices that need to have minimum data link ...