WIFI disconnection restart script - Realtek drivers

wifi-reconnect

#!/bin/bash

# Unload kernel module , replace rtl8821ae with your device module.
modprobe -r rtl8821ae
#reload kernel module
modprobe rtl8821ae
# set wireless interface to down , replace wlp3s0 with your wifi device name
ip link set wlp3s0 down
#restart wpa_supplicant
systemctl reenable wpa_supplicant
systemctl restart wpa_supplicant
#reenable netctl
systemctl reenable netctl
systemctl restart netctl
#reenable netctl profile , replace home with your netctl profile name
netctl reenable home
netctl restart home

## In some wired cases , the IP gets assigned and reassigned, dynamically updating the IP address.
#This was fixed by a simple dhcpcd restart
systemctl reenable dhcpcd 
systemctl restart dhcpcd