Android device disconnects after fast roaming due to lost DHCP replies

[Brain2000]

@ahasbini I had this same issue, turned out mine was an issue with the bridges ageing timeout.
If you find it is taking 5 minutes for DHCP to work again for a specific MAC address, check out this thread:

Bridged wifi ap, DHCP Offers only reaching clients after 5 min period

Thank you for posting this, as I spent hours trying to figure out why an external DHCP server could not get packets back to a wifi client. I found the Cisco switch would send DHCP Offer/ACK packets, but they were not passing through the wifi client. I googled that issue specifically, along with the "5 minutes" and came across the bridge ageing information that solved your issue. Lowing the bridge ageing time solved my issue as well. This is only an issue with an external DHCP server when roam…