diff --git a/agent_based/inv_cisco_wlc_clients.py b/agent_based/inv_cisco_wlc_clients.py
index 22cdf26d7f546ef73dd8b9fde74526c0852034bc..11b58dfa6ed17fd616fade77997f536e1abccbdf 100644
--- a/agent_based/inv_cisco_wlc_clients.py
+++ b/agent_based/inv_cisco_wlc_clients.py
@@ -9,9 +9,11 @@
 #
 # writen by: Th.L thl-cmk[at]outlook[dot]com
 #
-# 22.08.2016 : removed index column
-# 09.04.2017 : added wato enable/disable, remove columns
-# 04.09.2018 : changes for CMK 1.5.x (inv_tree --> inv_tree_list)
+# 2016-08-22 : removed index column
+# 2017-04-09 : added wato enable/disable, remove columns
+# 2018-09-04 : changes for CMK 1.5.x (inv_tree --> inv_tree_list)
+# 2020-03-15 : added support for CMK1.6x
+# 2021-07-12 : rewritten for CMK 2.0
 #
 
 import re
diff --git a/inv_cisco_wlc_clients.mkp b/inv_cisco_wlc_clients.mkp
index c535701f48a4109b599a77e834c6213f5d3ac7a6..680098daad11aad5babacc8b20b0cd130f018d27 100644
Binary files a/inv_cisco_wlc_clients.mkp and b/inv_cisco_wlc_clients.mkp differ