Hey everyone, just wanted to post this in here after doing some troubleshooting.
I am deploying 50 e400s and as a test, I have been running 3 at my house to put them through the ringer. Overall they are great, but I can across a unique issue:
When connecting devices such as my Bose SoundTouch 10 speakers, Amazon Echo Dot, SmartTVs, and simple devices, when I have Proxy Arp enabled under "Advanced Settings", my devices are unable to receive an IP address from my DHCP server in a timely manner, or in the case of the Bose equipment, at all.
I've tried changing a number of other items and narrowed it down to this over the last 2 weeks.
I don't know why it's happening, but this fixed it for me.
Running Firmware 3.2.1-r6 on AP (e400)
SNR is 42 dB, RSSI -64 dBm reporting on AP -> Client
Screenshot of all my "Advanced Settings" attached.