diff --git a/agent_based/inv_cisco_wlc_aps_lwap.py b/agent_based/inv_cisco_wlc_aps_lwap.py
index 79642b9c9a99b141b63ebdd546144f712c43b82f..c39fee89fbd2a6379cbdcc45b714ad1d5171e69c 100644
--- a/agent_based/inv_cisco_wlc_aps_lwap.py
+++ b/agent_based/inv_cisco_wlc_aps_lwap.py
@@ -9,16 +9,19 @@
 #
 # inventory of cisco wlc aps
 #
-# 2016-08-22 : removed index column
-# 2018-08-04 : changed scan function, code cleanup
-# 2018-09-04 : changes for CMK 1.5.x (inv_tree --> inv_tree_list)
-# 2021-07-11 : rewritten for CMK 2.0
+# 2016-08-22: removed index column
+# 2018-08-04: changed scan function, code cleanup
+# 2018-09-04: changes for CMK 1.5.x (inv_tree --> inv_tree_list)
+# 2020-03-15: added support for CMK1.6x
+# 2021-07-11: rewritten for CMK 2.0
+# 2021-07-15: added support for Catalyst 9800 Controllers
 
 from cmk.base.plugins.agent_based.agent_based_api.v1 import (
     register,
     SNMPTree,
     TableRow,
     contains,
+    any_of,
 )
 from cmk.base.plugins.agent_based.agent_based_api.v1.type_defs import (
     StringTable,
@@ -223,15 +226,15 @@ def parse_inv_cisco_wlc_aps_lwap(string_table: StringTable):
 
     for ap in string_table:
         wlcprimaryaddress = ap[5]
-        if _inet_address_type.get(int(ap[4])) == 'ipv4':
+        if _inet_address_type.get(ap[4]) == 'ipv4':
             wlcprimaryaddress = _render_ip_address(wlcprimaryaddress)
 
         wlcsecondaryaddress = ap[7]
-        if _inet_address_type.get(int(ap[6])) == 'ipv4':
+        if _inet_address_type.get(ap[6]) == 'ipv4':
             wlcsecondaryaddress = _render_ip_address(wlcsecondaryaddress)
 
         wlctertiaryaddress = ap[9]
-        if _inet_address_type.get(int(ap[8])) == 'ipv4':
+        if _inet_address_type.get(ap[8]) == 'ipv4':
             wlctertiaryaddress = _render_ip_address(wlctertiaryaddress)
 
         aps.append({
@@ -323,7 +326,6 @@ def inventory_cisco_wlc_aps_lwap(params, section) -> InventoryResult:
                 status_columns.pop(entry)
             except KeyError:
                 pass
-
         yield TableRow(
             path=path,
             key_columns=key_columns,
@@ -397,7 +399,10 @@ register.snmp_section(
             '85',  # cLApBleFWDownloadStatus
         ]
     ),
-    detect=contains('.1.3.6.1.2.1.1.1.0', 'Cisco Controller'),  # sysDescr
+    detect=any_of(
+        contains('.1.3.6.1.2.1.1.1.0', 'Cisco Controller'),  # sysDescr
+        contains('.1.3.6.1.2.1.1.1.0', 'C9800 Software'),  # sysDescr
+    )
 )
 
 register.inventory_plugin(
diff --git a/inv_cisco_wlc_aps_lwap.mkp b/inv_cisco_wlc_aps_lwap.mkp
index 432139322c4d4e9ffa33e77abbd9a51d8620cdf6..752bb12af17f9f2b66b348d2904cca202a693b93 100644
Binary files a/inv_cisco_wlc_aps_lwap.mkp and b/inv_cisco_wlc_aps_lwap.mkp differ
diff --git a/packages/inv_cisco_wlc_aps_lwap b/packages/inv_cisco_wlc_aps_lwap
index 0a56736f9058c1089bf269ceb583e44898bfe8fc..94f0e6deb2cb4a23ca94f301c4821eabd0af3e2b 100644
--- a/packages/inv_cisco_wlc_aps_lwap
+++ b/packages/inv_cisco_wlc_aps_lwap
@@ -12,7 +12,7 @@
  'name': 'inv_cisco_wlc_aps_lwap',
  'num_files': 3,
  'title': 'inventory for CISCO-LWAPP-AP-MIB',
- 'version': '20210711.v0.4',
+ 'version': '20210715.v0.4a',
  'version.min_required': '2.0.0',
- 'version.packaged': '2021.04.10',
+ 'version.packaged': '2021.07.14',
  'version.usable_until': None}
\ No newline at end of file
diff --git a/web/plugins/views/inv_cisco_wlc_aps_lwap.py b/web/plugins/views/inv_cisco_wlc_aps_lwap.py
index 67974dd4596768470e6778f43935800e8d77cd3d..f18c1f4cb683ccbd912446543a8c0309a7733354 100644
--- a/web/plugins/views/inv_cisco_wlc_aps_lwap.py
+++ b/web/plugins/views/inv_cisco_wlc_aps_lwap.py
@@ -8,20 +8,27 @@ from cmk.gui.plugins.views.inventory import declare_invtable_view
 
 
 inventory_displayhints.update({
-    '.networking.wlan.controller.accesspoints_lwap:': {'title'   : _('Access Points LWAP info'),
-                                                       'keyorder': ['name', 'if_mac_address', ],
-                                                        'view'    : 'invwlcapslwap_of_host',
-                                                     },
+    '.networking.wlan.controller.accesspoints_lwap:': {
+        'title': _('Access Points LWAP info'),
+        'keyorder': [
+            'name', 'if_mac_address', 'admin', 'power_status', 'led_state', 'last_reboot_reason', 'telnet', 'ssh',
+            'encryption_supported', 'encryption', 'data_encryption', 'wips',
+        ],
+        'view': 'invwlcapslwap_of_host',
+    },
     '.networking.wlan.controller.accesspoints_lwap:*.name'                         : {'title': _('Name')},
     '.networking.wlan.controller.accesspoints_lwap:*.if_mac_address'               : {'title': _('MAC Address')},
     '.networking.wlan.controller.accesspoints_lwap:*.admin'                        : {'title': _('Admin state')},
-    '.networking.wlan.controller.accesspoints_lwap:*.last_reboot_reason'           : {'title': _('Last reboot reason')},
     '.networking.wlan.controller.accesspoints_lwap:*.power_status'                 : {'title': _('Power status')},
+    '.networking.wlan.controller.accesspoints_lwap:*.led_state'                    : {'title': _('LED state')},
+    '.networking.wlan.controller.accesspoints_lwap:*.last_reboot_reason'           : {'title': _('Last reboot reason')},
     '.networking.wlan.controller.accesspoints_lwap:*.telnet'                       : {'title': _('Telnet enabled'), 'short': _('Telnet')},
     '.networking.wlan.controller.accesspoints_lwap:*.ssh'                          : {'title': _('SSH enabled'), 'short': _('SSH')},
     '.networking.wlan.controller.accesspoints_lwap:*.encryption_supported'         : {'title': _('Encryption supported')},
     '.networking.wlan.controller.accesspoints_lwap:*.encryption'                   : {'title': _('Encryption enabled')},
     '.networking.wlan.controller.accesspoints_lwap:*.data_encryption'              : {'title': _('Data encryption')},
+    '.networking.wlan.controller.accesspoints_lwap:*.wips'                         : {'title': _('wireless IPS,')},
+
     '.networking.wlan.controller.accesspoints_lwap:*.rogue_detection'              : {'title': _('Rogue detection enabled'), 'short': _('Rouge detection')},
     '.networking.wlan.controller.accesspoints_lwap:*.pwr_injector_state'           : {'title': _('Pow. inj. state')},
     '.networking.wlan.controller.accesspoints_lwap:*.pwr_injector_selection'       : {'title': _('Pow. inj. selection')},
@@ -30,11 +37,9 @@ inventory_displayhints.update({
     '.networking.wlan.controller.accesspoints_lwap:*.wlc_primary_address'          : {'title': _('primary WLC')},
     '.networking.wlan.controller.accesspoints_lwap:*.wlc_secondary_address'        : {'title': _('secondary WLC')},
     '.networking.wlan.controller.accesspoints_lwap:*.wlc_tertiary_address'         : {'title': _('tertiary WLC')},
-
     '.networking.wlan.controller.accesspoints_lwap:*.max_#_of_dot11_slots'         : {'title': _('max # of dot11 slots')},
     '.networking.wlan.controller.accesspoints_lwap:*.max_#_of_ethernet_slots'      : {'title': _('max # of ethernet slots')},
     '.networking.wlan.controller.accesspoints_lwap:*.failover_priority'            : {'title': _('failover priority')},
-    '.networking.wlan.controller.accesspoints_lwap:*.wips'                         : {'title': _('wireless IPS,')},
     '.networking.wlan.controller.accesspoints_lwap:*.monitor_mode_optimization'    : {'title': _('monitor mode optimization')},
     '.networking.wlan.controller.accesspoints_lwap:*.amsdu'                        : {'title': _('Aggregate MAC Service Data Unit'), 'short': _('AMSDU')},
     '.networking.wlan.controller.accesspoints_lwap:*.tcp_mss'                      : {'title': _('TCP MSS')},
@@ -43,7 +48,6 @@ inventory_displayhints.update({
     '.networking.wlan.controller.accesspoints_lwap:*.venue_config_venue_type'      : {'title': _('Venue type')},
     '.networking.wlan.controller.accesspoints_lwap:*.venue_config_venue_name'      : {'title': _('Venue name')},
     '.networking.wlan.controller.accesspoints_lwap:*.venue_config_language'        : {'title': _('Venue language')},
-    '.networking.wlan.controller.accesspoints_lwap:*.led_state'                    : {'title': _('LED state')},
     '.networking.wlan.controller.accesspoints_lwap:*.trunk_vlan'                   : {'title': _('Mgmt VLAN ID')},
     '.networking.wlan.controller.accesspoints_lwap:*.trunk_vlan_status'            : {'title': _('Mgmt VLAN tagged state')},
     '.networking.wlan.controller.accesspoints_lwap:*.location'                     : {'title': _('Location')},
diff --git a/web/plugins/wato/inv_cisco_wlc_aps_lwap.py b/web/plugins/wato/inv_cisco_wlc_aps_lwap.py
index 4d6be49b996b12a9086d212c2c0567b99683a9e2..30a64718ae53e9ae615005f60699c8c64f2e0ea2 100644
--- a/web/plugins/wato/inv_cisco_wlc_aps_lwap.py
+++ b/web/plugins/wato/inv_cisco_wlc_aps_lwap.py
@@ -16,9 +16,21 @@ from cmk.gui.plugins.wato.inventory import (
     RulespecGroupInventory,
 )
 
-_removecolumns = [
+_removecolumns_cisco_wlc_aps_lwap = [
+    # ('name', 'Name'),
+    # (if_mac_address', 'MAC Address'),
+    # ('admin', 'Admin state'),
+    # ('power_status', 'Power status'),
+    # ('led_state', 'LED state'),
+    # ('last_reboot_reason', 'Last reboot reason'),
+    # ('telnet', 'Telnet enabled'),
+    # ('ssh', 'SSH enabled'),
+    # ('encryption_supported', 'Encryption supported'),
+    # ('data_encryption', 'Data encryption'),
+    # ('encryption', 'Encryption enabled'),
+    # ('wips', 'wireless IPS,'),
+
     ('adj_channel_rogue_enabled', 'Adj. channel rogue'),
-    ('admin', 'Admin state'),
     ('amsdu', 'Aggregate MAC Service Data Unit'),
     ('antenna_band_mode', 'Antenna band mode'),
     ('is_master', 'AP is master'),
@@ -26,13 +38,8 @@ _removecolumns = [
     ('submode', 'AP submode'),
     ('universal_prime_status', 'AP universal prime status'),
     ('ble_fw_download_status', 'Ble FW downaload status'),
-    ('data_encryption', 'Data encryption'),
-    ('encryption', 'Encryption enabled'),
-    ('encryption_supported', 'Encryption supported'),
     ('failover_priority', 'failover priority'),
     ('floor_label', 'Floor label'),
-    ('last_reboot_reason', 'Last reboot reason'),
-    ('led_state', 'LED state'),
     ('location', 'Location'),
     ('max_#_of_dot11_slots', 'max # of dot11 slots'),
     ('max_#_of_ethernet_slots', 'max # of ethernet slots'),
@@ -45,17 +52,14 @@ _removecolumns = [
     ('module_inserted', 'Module inserted'),
     ('monitor_mode_optimization', 'monitor mode optimization'),
     ('port_number', 'Port number'),
-    ('power_status', 'Power status'),
     ('pwr_injector_selection', 'Pow. inj. selection'),
     ('pwr_injector_state', 'Pow. inj. state'),
     ('pwr_injector_sw_mac_addr', 'Pow. inj. MAC address'),
     ('pwr_pre_std_state', 'PoE pre standard'),
     ('real_time_stats_mode_enabled', 'Real time stats'),
     ('rogue_detection', 'Rogue detection enabled'),
-    ('ssh', 'SSH enabled'),
     ('sys_net_id', 'Sys net ID'),
     ('tcp_mss', 'TCP MSS'),
-    ('telnet', 'Telnet enabled'),
     ('upgrade_failure_cause', 'Upgrade failure cause'),
     ('upgrade_from_version', 'Upgrade from version'),
     ('upgrade_to_version', 'Upgrade to version'),
@@ -63,12 +67,23 @@ _removecolumns = [
     ('venue_config_venue_group', 'Venue group'),
     ('venue_config_venue_name', 'Venue name'),
     ('venue_config_venue_type', 'Venue type'),
-    ('wips', 'wireless IPS,'),
     ('wlc_primary_address', 'primary WLC'),
     ('wlc_secondary_address', 'secondary WLC'),
     ('wlc_tertiary_address', 'tertiary WLC'),
 ]
 
+_removecolumns_defaul_cisco_wlc_aps_lwap = [
+    'adj_channel_rogue_enabled', 'amsdu', 'is_master', 'is_universal', 'submode',
+    'universal_prime_status', 'max_client_limit_cause', 'ble_fw_download_status', 'antenna_band_mode',
+    'module_inserted', 'floor_label', 'max_client_limit_set', 'enable_module',
+    'pwr_injector_sw_mac_addr', 'pwr_injector_selection', 'pwr_injector_state', 'pwr_pre_std_state',
+    'trunk_vlan', 'trunk_vlan_status', 'tcp_mss', 'monitor_mode_optimization', 'sys_net_id',
+    'upgrade_failure_cause', 'upgrade_from_version', 'upgrade_to_version', 'venue_config_language',
+    'venue_config_venue_group', 'venue_config_venue_name', 'port_number', 'venue_config_venue_type',
+    'max_#_of_dot11_slots', 'max_#_of_ethernet_slots', 'failover_priority', 'wlc_primary_address',
+    'wlc_secondary_address', 'wlc_tertiary_address'
+]
+
 
 def _valuespec_inv_cisco_wlc_aps_lwap():
     return Dictionary(
@@ -78,18 +93,8 @@ def _valuespec_inv_cisco_wlc_aps_lwap():
              ListChoice(
                  title=_('list of columns to remove'),
                  help=_('information to remove from inventory'),
-                 choices=_removecolumns,
-                 default_value=[
-                     'adj_channel_rogue_enabled', 'amsdu', 'is_master', 'is_universal', 'submode',
-                     'universal_prime_status', 'max_client_limit_cause', 'ble_fw_download_status', 'antenna_band_mode',
-                     'module_inserted', 'floor_label', 'max_client_limit_set', 'enable_module',
-                     'pwr_injector_sw_mac_addr', 'pwr_injector_selection', 'pwr_injector_state', 'pwr_pre_std_state',
-                     'trunk_vlan', 'trunk_vlan_status', 'tcp_mss', 'monitor_mode_optimization', 'sys_net_id',
-                     'upgrade_failure_cause', 'upgrade_from_version', 'upgrade_to_version', 'venue_config_language',
-                     'venue_config_venue_group', 'venue_config_venue_name', 'port_number', 'venue_config_venue_type',
-                     'max_#_of_dot11_slots', 'max_#_of_ethernet_slots', 'failover_priority', 'wlc_primary_address',
-                     'wlc_secondary_address', 'wlc_tertiary_address'
-                 ],
+                 choices=_removecolumns_cisco_wlc_aps_lwap,
+                 default_value=_removecolumns_defaul_cisco_wlc_aps_lwap,
              )),
         ],
     )