Public bug reported:

Have tried downloading and compiling driver, have tried
/etc/modprobe.d/rtl8821ae.conf with combinations of options rtl8821ae
fwlps swlps being Y, N, 1, and 0. None of the combinations works.

WiFi comes up, lasts a few seconds - maybe up to a few minutes, then
disconnects.

Restarting the network manager service usually restores the connection
for a few minutes, sometimes a reboot is required.

Running a VPN over the wireless adapter causes the dropout to occur
quicker.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-75-generic 4.4.0-75.96
ProcVersionSignature: Ubuntu 4.4.0-75.96-generic 4.4.59
Uname: Linux 4.4.0-75-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  steve      1758 F.... pulseaudio
 /dev/snd/controlC1:  steve      1758 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue May 16 11:51:44 2017
HibernationDevice: RESUME=UUID=395e6c11-8c59-45e8-85eb-2917c9588d7b
InstallationDate: Installed on 2017-01-09 (126 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
MachineType: ASUSTeK COMPUTER INC. P552LA
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-75-generic 
root=UUID=bedc4f01-09c8-407a-b5b9-5b2da87846f7 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-4.4.0-75-generic N/A
 linux-backports-modules-4.4.0-75-generic  N/A
 linux-firmware                            1.157.8
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/11/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P552LA.204
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: P552LA
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrP552LA.204:bd08/11/2015:svnASUSTeKCOMPUTERINC.:pnP552LA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnP552LA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: P552LA
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug xenial

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https://bugs.launchpad.net/bugs/1690984

Title:
  Wifi drops out RTL8821AE

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