I am not sure I tested it since I upgraded from Jessie to stretch :
I have the following entry in my fstab
It used to work, now it says :
@bibi:~ % mount /mnt/Fbx
mount error(112): Host is down
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)
Using smb:// in dolphin works, so the smb server is still working. What
can be the reason ?