Realtek 8821ae driver config for linux. This avoids the connection drops for the 8821ae driver. Tested against debian jessie

rtl8821ae.conf

options rtl8821ae  debug=0 disable_watchdog=N fwlps=N swlps=Y swenc=Y ips=N msi=0

I plopped it into /etc/modprobe.d as a file. Looks like it's working much better.
I only get dropped once every few hours or so, instead of every 15 mins or so. Thanks a bunch!

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Note for newbies (and self): you can check what the module parameters are right now:
head /sys/module/rtl8821ae/parameters/*

You can also check their meaning, to make sure you're not turning off something dumb:
sudo modinfo rtl8821ae

To restart the wifi:

sudo nmcli radio wifi off
sudo nmcli radio wifi on

Hello
The issues were fixed 10 days ago. You can find more information about it in
https://github.com/lwfinger/rtlwifi_new/issues/250
and
https://github.com/lwfinger/rtlwifi_new/commits/master (-> commit a24cb56)
Regards

@amaxi Thanks a lot!

In case people don't want to update their driver, another workaround I found is using a different networkmanager: wicd (and its GUI, wicd-client). This seems to be faster, and reconnects by itself much faster.