diff --git a/hardware/devices/hms/ewon/snmp/mode/listtags.pm b/hardware/devices/hms/ewon/snmp/mode/listtags.pm
new file mode 100644
index 000000000..87bb77bfc
--- /dev/null
+++ b/hardware/devices/hms/ewon/snmp/mode/listtags.pm
@@ -0,0 +1,137 @@
+#
+# Copyright 2020 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package hardware::devices::hms::ewon::snmp::mode::listtags;
+
+use base qw(centreon::plugins::mode);
+
+use strict;
+use warnings;
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+    
+    $options{options}->add_options(arguments => {
+        'filter-tag-name:s' => { name => 'filter_tag_name' }
+    });
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::init(%options);
+}
+
+my $mapping = {
+    name  => { oid => '.1.3.6.1.4.1.8284.2.1.3.1.11.1.3' }, # tagCfgName
+    value => { oid => '.1.3.6.1.4.1.8284.2.1.3.1.11.1.4' }  # tagValue
+};
+my $oid_tagEntry = '.1.3.6.1.4.1.8284.2.1.3.1.11.1';
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    my $snmp_result = $options{snmp}->get_table(
+        oid => $oid_tagEntry,
+        start => $mapping->{name}->{oid},
+        end => $mapping->{value}->{oid},
+        nothing_quit => 1
+    );
+
+    my $results = {};
+    foreach my $oid (keys %$snmp_result) {
+        next if ($oid !~ /^$mapping->{name}->{oid}\.(.*)$/);
+        my $instance = $1;
+        my $result = $options{snmp}->map_instance(mapping => $mapping, results => $snmp_result, instance => $instance);
+        
+        if (defined($self->{option_results}->{filter_tag_name}) && $self->{option_results}->{filter_tag_name} ne '' &&
+            $result->{name} !~ /$self->{option_results}->{filter_tag_name}/) {
+            $self->{output}->output_add(long_msg => "skipping '" . $result->{name} . "': no matching filter.", debug => 1);
+            next;
+        }
+        
+        $results->{$instance} = $result;
+    }
+
+    return $results;
+}
+
+sub run {
+    my ($self, %options) = @_;
+  
+    my $results = $self->manage_selection(%options);
+    foreach my $index (sort keys %$results) { 
+        $self->{output}->output_add(
+            long_msg => sprintf(
+                '[name: %s][index: %s][value: %s]',
+                $results->{$index}->{name},
+                $index,
+                $results->{$index}->{value}
+            )
+        );
+    }
+    
+    $self->{output}->output_add(
+        severity => 'OK',
+        short_msg => 'List tags:'
+    );
+    $self->{output}->display(nolabel => 1, force_ignore_perfdata => 1, force_long_output => 1);
+    $self->{output}->exit();
+}
+
+sub disco_format {
+    my ($self, %options) = @_;
+    
+    $self->{output}->add_disco_format(elements => ['index', 'name', 'value']);
+}
+
+sub disco_show {
+    my ($self, %options) = @_;
+
+    my $results = $self->manage_selection(%options);
+    foreach my $index (sort keys %$results) {
+        $self->{output}->add_disco_entry(
+            index => $index,
+            %{$results->{$index}}            
+        );
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+List tags.
+
+=over 8
+
+=item B<--filter-tag-name>
+
+Filter tags by name (can be a regexp).
+
+=back
+
+=cut
+    
diff --git a/hardware/devices/hms/ewon/snmp/plugin.pm b/hardware/devices/hms/ewon/snmp/plugin.pm
new file mode 100644
index 000000000..72bf49c5e
--- /dev/null
+++ b/hardware/devices/hms/ewon/snmp/plugin.pm
@@ -0,0 +1,48 @@
+#
+# Copyright 2020 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package hardware::devices::hms::ewon::snmp::plugin;
+
+use strict;
+use warnings;
+use base qw(centreon::plugins::script_snmp);
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+
+    $self->{version} = '1.0';
+    %{$self->{modes}} = (
+        'list-tags'  => 'hardware::devices::hms::ewon::snmp::mode::listtags'
+    );
+
+    return $self;
+}
+
+1;
+
+__END__
+
+=head1 PLUGIN DESCRIPTION
+
+Check Ewon in SNMP.
+
+=cut