diff --git a/checks/cisco_flash b/checks/cisco_flash
index 1b22e8c5e043c8f7f0197f184c9bc84112fb17ae..bb54cc1653ef376434ace60deba46e5520eff98e 100644
--- a/checks/cisco_flash
+++ b/checks/cisco_flash
@@ -49,6 +49,8 @@
 #
 
 factory_settings['cisco_flash_defaults'] = {
+    'warn_level_percent': 85,
+    'crit_level_percent': 90,
 }
 
 ###########################################################################
@@ -164,13 +166,16 @@ def check_cisco_flash(item, params, parsed):
 
                 filecount = cflPartition.get('filecount')
                 lowspacenotifythreshold = cflPartition.get('lowspacenotifythreshold')
+                size = max(size, 1)  # for size = 0 --> div/0
                 percentused = 100 * usedspace / size
-                spacewarn = (size / 100) * lowspacenotifythreshold
 
-                if spacewarn >= freespace:
-                    yield 1, 'Low space'
-                elif freespace <= 10:  # 10 MB
-                    yield 2, 'Low space'
+                crit_level_percent =  params.get('crit_level_percent', 90)
+                warn_level_percent =  params.get('warn_level_percent', 85)
+
+                if percentused >= crit_level_percent:
+                    yield 2, 'Low space, more then %s%% used' % crit_level_percent
+                elif percentused > warn_level_percent:
+                    yield 1, 'Low space, more then %s%% used' % warn_level_percent
 
                 if cflPartition.get('neederasure'):
                     yield 1, 'Partition needs erasure'
@@ -183,14 +188,10 @@ def check_cisco_flash(item, params, parsed):
 
                 longoutput += '\nDevice index: %s' % cflPartition.get('flashindex')
                 longoutput += '\nPartition index: %s' % cflPartition.get('index')
-#                longoutput += '\nPartition size: %s' % size
-#                longoutput += '\nPartition used space: %s' % usedspace
-#                longoutput += '\nPartition free space: %s' % freespace
-#                longoutput += '\nPartition warn space: %s' % spacewarn
                 longoutput += '\nPartition need erasure: %s' % cflPartition.get('neederasure')
                 longoutput += '\nPartition low space notify threshold: %s' % lowspacenotifythreshold
 
-                infotext += '%s%% used (%s of %s MB), File count: %s' % (percentused, usedspace, size, filecount)
+                infotext += '%s%% used (%s of %s MB), %s MB free, File count: %s' % (percentused, usedspace, size, freespace, filecount)
 
                 yield 0, infotext + longoutput, perfdata
 
diff --git a/cisco_flash.mkp b/cisco_flash.mkp
index d5816ecfc4296eafc49a245de96475c3d90298cf..a7b120f0d9ee3a1aacf5e4843167d88365af9825 100644
Binary files a/cisco_flash.mkp and b/cisco_flash.mkp differ
diff --git a/packages/cisco_flash b/packages/cisco_flash
index 430f50c91e1272c7dc374d9abda50c0c673e7b00..f34666b53bf98357e83f69f4724d77c3945c1616 100644
--- a/packages/cisco_flash
+++ b/packages/cisco_flash
@@ -13,10 +13,11 @@
            'pnp-templates': [],
            'web': ['plugins/metrics/cisco_flash.py',
                    'plugins/views/inv_cisco_flash.py',
+                   'plugins/wato/cisco_flash.py',
                    'plugins/wato/inv_cisco_flash.py']},
  'name': 'cisco_flash',
- 'num_files': 5,
+ 'num_files': 6,
  'title': 'Cisco flash plugins',
- 'version': '20191103v.0.2a',
+ 'version': '20191104v.0.2b',
  'version.min_required': '1.4.0p35',
  'version.packaged': '1.4.0p35'}
\ No newline at end of file
diff --git a/web/plugins/wato/cisco_flash.py b/web/plugins/wato/cisco_flash.py
new file mode 100644
index 0000000000000000000000000000000000000000..fa7636494d00211d3720842b01a96719eb239fd2
--- /dev/null
+++ b/web/plugins/wato/cisco_flash.py
@@ -0,0 +1,45 @@
+#!/usr/bin/python
+# -*- encoding: utf-8; py-indent-offset: 4 -*-
+
+#
+# Check_MK cisco_flash WATO plugin
+#
+# Author: Th.L.
+# Date: 2019-11-04
+#
+#
+#
+#
+
+register_check_parameters(
+    subgroup_networking,
+    'cisco_flash',
+    _('Cisco Flash'),
+    Dictionary(
+        help=_(''),
+        elements=[
+            ('warn_level_percent',
+             Integer(
+                 title=_('Warning if above percentage of used space'),
+                 label=_('Warning if above percentage of used space'),
+                 help=_('Warning if above percentage of used space'),
+                 default_value=85,
+                 allow_empty=False,
+                 minvalue=1,
+                 maxvalue=100
+             )),
+            ('crit_level_percent',
+             Integer(
+                 title=_('Critical  if above percentage of used space'),
+                 label=_('Critical  if above percentage of used space'),
+                 help=_('Critical  if above percentage of used space'),
+                 default_value=90,
+                 allow_empty=False,
+                 minvalue=1,
+                 maxvalue=100
+             )),
+        ],
+    ),
+    TextAscii(title=_('Cisco flash')),
+    match_type='dict',
+)