NetworkManager Applet combines the functionality of both of these and is located right there in the System Tray area.
To install Gnome's NetworkManager Applet in XFCE open terminal and type:
Code: Select all
sudo apt install network-manager-gnome
Answer yes to installing the new data.
When I restarted my computer the next time there was that familiar Gnome NetworkManager Applet greeting me in the system tray.