diff --git a/network/ruckus/zonedirector/snmp/mode/accesspoints.pm b/network/ruckus/zonedirector/snmp/mode/accesspoints.pm
new file mode 100644
index 000000000..cff5240fe
--- /dev/null
+++ b/network/ruckus/zonedirector/snmp/mode/accesspoints.pm
@@ -0,0 +1,333 @@
+#
+# 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 network::ruckus::zonedirector::snmp::mode::accesspoints;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+use Digest::MD5 qw(md5_hex);
+use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold catalog_status_calc);
+
+sub custom_status_output {
+    my ($self, %options) = @_;
+
+    return sprintf('zone directory connection status is %s',
+        $self->{result_values}->{zd_connection_status}
+    );
+}
+
+sub ap_long_output {
+    my ($self, %options) = @_;
+
+    return "checking access point '" . $options{instance_value}->{display} . "'";
+}
+
+sub prefix_ap_output {
+    my ($self, %options) = @_;
+
+    return "access point '" . $options{instance_value}->{display} . "' ";
+}
+
+sub custom_usage_output {
+    my ($self, %options) = @_;
+
+    return sprintf(
+        'ram total: %s %s used: %s %s (%.2f%%) free: %s %s (%.2f%%)',
+        $self->{perfdata}->change_bytes(value => $self->{result_values}->{total_absolute}),
+        $self->{perfdata}->change_bytes(value => $self->{result_values}->{used_absolute}),
+        $self->{result_values}->{prct_used_absolute},
+        $self->{perfdata}->change_bytes(value => $self->{result_values}->{free_absolute}),
+        $self->{result_values}->{prct_free_absolute}
+    );
+}
+
+sub set_counters {
+    my ($self, %options) = @_;
+
+    $self->{maps_counters_type} = [
+        { name => 'accesspoints', type => 3, cb_prefix_output => 'prefix_ap_output', cb_long_output => 'ap_long_output',
+          indent_long_output => '    ', message_multiple => 'All access points are ok',
+            group => [
+                { name => 'status', type => 0, skipped_code => { -10 => 1 } },
+                { name => 'cpu', type => 0, skipped_code => { -10 => 1 } },
+                { name => 'memory', type => 0, skipped_code => { -10 => 1 } },
+                { name => 'connection', type => 0, skipped_code => { -10 => 1 } },
+                { name => 'traffic', type => 0, skipped_code => { -10 => 1 } }
+            ]
+        }
+    ];
+
+    $self->{maps_counters}->{status} = [
+        { label => 'status', threshold => 0, set => {
+                key_values => [ { name => 'zd_connection_status' }, { name => 'display' } ],
+                closure_custom_calc => \&catalog_status_calc,
+                closure_custom_output => $self->can('custom_status_output'),
+                closure_custom_perfdata => sub { return 0; },
+                closure_custom_threshold_check => \&catalog_status_threshold
+            }
+        }
+    ];
+
+    $self->{maps_counters}->{cpu} = [
+        { label => 'cpu-utilization', nlabel => 'accesspoint.cpu.utilization.percentage', set => {
+                key_values => [ { name => 'cpu_util' }, { name => 'display' } ],
+                output_template => 'cpu usage: %.2f%%',
+                perfdatas => [
+                    { value => 'cpu_util_absolute', template => '%.2f', unit => '%', 
+                      min => 0, max => 100, label_extra_instance => 1, instance_use => 'display_absolute' }
+                ]
+            }
+        }
+    ];
+
+    $self->{maps_counters}->{memory} = [
+        { label => 'memory-usage', nlabel => 'accesspoint.memory.usage.bytes', set => {
+                key_values => [ { name => 'used' }, { name => 'free' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' }, { name => 'display' } ],
+                closure_custom_output => $self->can('custom_usage_output'),
+                perfdatas => [
+                    { value => 'used_absolute', template => '%d', min => 0, max => 'total_absolute',
+                      unit => 'B', cast_int => 1, label_extra_instance => 1, instance_use => 'display_absolute' }
+                ]
+            }
+        },
+        { label => 'usage-free', display_ok => 0, nlabel => 'accesspoint.memory.free.bytes', set => {
+                key_values => [ { name => 'free' }, { name => 'used' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' }, { name => 'display' } ],
+                closure_custom_output => $self->can('custom_usage_output'),
+                perfdatas => [
+                    { value => 'free_absolute', template => '%d', min => 0, max => 'total_absolute',
+                      unit => 'B', cast_int => 1, label_extra_instance => 1, instance_use => 'display_absolute' }
+                ]
+            }
+        },
+        { label => 'usage-prct', display_ok => 0, nlabel => 'accesspoint.memory.usage.percentage', set => {
+                key_values => [ { name => 'prct_used' }, { name => 'display' } ],
+                output_template => 'ram used: %.2f %%',
+                perfdatas => [
+                    { value => 'prct_used_absolute', template => '%.2f', min => 0, max => 100,
+                      label_extra_instance => 1, instance_use => 'display_absolute' }
+                ]
+            }
+        }
+    ];
+
+    $self->{maps_counters}->{connection} = [
+        { label => 'connection-accesspoints', nlabel => 'accesspoint.connection.accesspoints.count', set => {
+                key_values => [ { name => 'ap' }, { name => 'display' } ],
+                output_template => 'access points connections: %d',
+                perfdatas => [
+                    { value => 'ap_absolute', template => '%d', min => 0 }
+                ]
+            }
+        },
+        { label => 'connection-client-devices-authorized', nlabel => 'accesspoint.connection.client.devices.authorized.count', set => {
+                key_values => [ { name => 'authorized_clients' }, { name => 'display' } ],
+                output_template => 'client devices authorized connections: %d',
+                perfdatas => [
+                    { value => 'authorized_clients_absolute', template => '%d', min => 0, label_extra_instance => 1, instance_use => 'display_absolute' }
+                ]
+            }
+        },
+        { label => 'connection-rogue-devices', nlabel => 'accesspoint.connection.rogue.devices.count', display_ok => 0, set => {
+                key_values => [ { name => 'rogues' }, { name => 'display' } ],
+                output_template => 'rogue devices connections: %d',
+                perfdatas => [
+                    { value => 'rogues_absolute', template => '%d', min => 0, label_extra_instance => 1, instance_use => 'display_absolute' }
+                ]
+            }
+        }
+    ];
+
+    $self->{maps_counters}->{traffic} = [
+        { label => 'traffic-in', nlabel => 'accesspoint.traffic.in.bitspersecond', set => {
+                key_values => [ { name => 'traffic_in', diff => 1 }, { name => 'display' } ],
+                output_template => 'traffic in: %s%s/s',
+                per_second => 1, output_change_bytes => 2,
+                perfdatas => [
+                    { value => 'traffic_in_per_second', template => '%s',
+                      min => 0, unit => 'b/s', label_extra_instance => 1, instance_use => 'display_absolute' }
+                ]
+            }
+        },
+        { label => 'traffic-out', nlabel => 'accesspoint.traffic.out.bitspersecond', set => {
+                key_values => [ { name => 'traffic_out', diff => 1 }, { name => 'display' } ],
+                output_template => 'traffic in: %s%s/s',
+                per_second => 1, output_change_bytes => 2,
+                perfdatas => [
+                    { value => 'traffic_out_per_second', template => '%s',
+                      min => 0, unit => 'b/s', label_extra_instance => 1, instance_use => 'display_absolute' }
+                ]
+            }
+        }
+    ];
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1, force_new_perfdata => 1);
+    bless $self, $class;
+
+    $options{options}->add_options(arguments => {
+        'filter-name:s'     => { name => 'filter_name' },
+        'unknown-status:s'  => { name => 'unknown_status', default => '' },
+        'warning-status:s'  => { name => 'warning_status', default => '' },
+        'critical-status:s' => { name => 'critical_status', default => '' }
+    });
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    $self->change_macros(macros => ['unknown_status', 'warning_status', 'critical_status']);
+}
+
+my $map_zd_connection_status = {
+    0 => 'disconnected', 1 => 'connected', 2 => 'approvalPending', 3 => 'upgradingFirmware', 4 => 'provisioning'
+};
+
+my $mapping = {
+    zd_connection_status  => { oid => '.1.3.6.1.4.1.25053.1.2.2.1.1.2.1.1.3', map => $map_zd_connection_status },  # ruckusZDWLANAPStatus
+    cpu_util              => { oid => '.1.3.6.1.4.1.25053.1.2.2.1.1.2.1.1.29' },  # ruckusZDWLANAPCPUUtil
+    memory_used           => { oid => '.1.3.6.1.4.1.25053.1.2.2.1.1.2.1.1.27' },  # ruckusZDWLANAPMemUtil (% or KB)
+    memory_size           => { oid => '.1.3.6.1.4.1.25053.1.2.2.1.1.2.1.1.28' },  # ruckusZDWLANAPMemTotal (KB)
+    ap                    => { oid => '.1.3.6.1.4.1.25053.1.2.2.1.1.2.1.1.14' },  # ruckusZDWLANAPNumVAP
+    authorized_clients    => { oid => '.1.3.6.1.4.1.25053.1.2.2.1.1.2.1.1.15' },  # ruckusZDWLANAPNumSta
+    rogues                => { oid => '.1.3.6.1.4.1.25053.1.2.2.1.1.2.1.1.16' },  # ruckusZDWLANAPNumRogues
+    traffic_in            => { oid => '.1.3.6.1.4.1.25053.1.2.2.1.1.2.1.1.21' }, # ruckusZDWLANAPLANStatsRXByte
+    traffic_out           => { oid => '.1.3.6.1.4.1.25053.1.2.2.1.1.2.1.1.25' }  # ruckusZDWLANAPLANStatsTXByte
+};
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    my $oid_ruckusZDWLANAPDescription = '.1.3.6.1.4.1.25053.1.2.2.1.1.2.1.1.2';
+    my $oid_ruckusZDWLANAPSerialNumber = '.1.3.6.1.4.1.25053.1.2.2.1.1.2.1.1.5';
+    my $snmp_result = $options{snmp}->get_multiple_table(
+        oids => [
+            { oid => $oid_ruckusZDWLANAPDescription },
+            { oid => $oid_ruckusZDWLANAPSerialNumber }
+        ],
+        return_type => 1,
+        nothing_quit => 1
+    );
+
+    $self->{accesspoints} = {};
+    foreach (keys %$snmp_result) {
+        next if (! /^$oid_ruckusZDWLANAPDescription\.(.*)/);
+        my $instance = $1;
+        my $name = defined($snmp_result->{$_}) && $snmp_result->{$_} ne '' ? 
+            $snmp_result->{$_} : $snmp_result->{$oid_ruckusZDWLANAPSerialNumber . '.' . $instance};
+
+        if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
+            $name !~ /$self->{option_results}->{filter_name}/) {
+            $self->{output}->output_add(long_msg => "skipping access point '" . $name . "'.", debug => 1);
+            next;
+        }
+
+        $self->{accesspoints}->{$instance} = {
+            display => $name,
+            status => { display => $name },
+            cpu => { display => $name },
+            memory => { display => $name },
+            connection => { display => $name },
+            traffic => { display => $name }
+        };
+    }
+
+    return if (scalar(keys %{$self->{accesspoints}}) <= 0);
+
+    $options{snmp}->load(
+        oids => [ map($_->{oid}, values(%$mapping)) ],
+        instances => [ keys %{$self->{accesspoints}} ],
+        instance_regexp => '^(.*)$'
+    );
+    $snmp_result = $options{snmp}->get_leef();
+    foreach (keys %{$self->{accesspoints}}) {
+        my $result = $options{snmp}->map_instance(mapping => $mapping, results => $snmp_result, instance => $_);
+
+        $self->{accesspoints}->{$_}->{status}->{zd_connection_status} = $result->{zd_connection_status};
+        $self->{accesspoints}->{$_}->{cpu}->{cpu_util} = $result->{cpu_util};
+
+        my $memory_total = $result->{memory_size} * 1024;
+        my $memory_used = $result->{memory_used} <= 100 ? ($result->{memory_used} * $memory_total / 100) : $result->{memory_used} * 1024;
+        my $memory_used_prct = $result->{memory_used} <= 100 ? $result->{memory_used} : ($memory_used * 100 / $memory_total);
+        $self->{accesspoints}->{$_}->{memory}->{used} = $memory_used;
+        $self->{accesspoints}->{$_}->{memory}->{free} = $memory_total - $memory_used;
+        $self->{accesspoints}->{$_}->{memory}->{prct_used} = $memory_used_prct;
+        $self->{accesspoints}->{$_}->{memory}->{prct_free} = 100 - $memory_used_prct;
+        $self->{accesspoints}->{$_}->{memory}->{total} = $memory_total;
+
+        $self->{accesspoints}->{$_}->{connection}->{ap} = $result->{ap};
+        $self->{accesspoints}->{$_}->{connection}->{authorized_clients} = $result->{authorized_clients};
+        $self->{accesspoints}->{$_}->{connection}->{rogues} = $result->{rogues};
+
+        $self->{accesspoints}->{$_}->{traffic}->{traffic_in} = $result->{traffic_in} * 8;
+        $self->{accesspoints}->{$_}->{traffic}->{traffic_out} = $result->{traffic_out} * 8;
+    }
+
+    $self->{cache_name} = 'ruckus_zd_' . $options{snmp}->get_hostname()  . '_' . $options{snmp}->get_port() . '_' . $self->{mode} . '_' .
+        (defined($self->{option_results}->{filter_counters_block}) ? md5_hex($self->{option_results}->{filter_counters_block}) : md5_hex('all')) . '_' .
+        (defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all')) . '_' .
+        (defined($self->{option_results}->{filter_name}) ? md5_hex($self->{option_results}->{filter_name}) : md5_hex('all'))
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check access points.
+
+=over 8
+
+=item B<--filter-name>
+
+Filter by access point name (can be a regexp).
+
+=item B<--unknown-status>
+
+Set unknown threshold for status.
+Can used special variables like: %{zd_connection_status}
+
+=item B<--warning-status>
+
+Set warning threshold for status.
+Can used special variables like: %{zd_connection_status}
+
+=item B<--critical-status>
+
+Set critical threshold for status.
+Can used special variables like: %{zd_connection_status}
+
+=item B<--warning-*> B<--critical-*>
+
+Thresholds.
+Can be: 'memory-usage', 'usage-free', 'usage-prct', 'traffic-in', 'traffic-out',
+'cpu-utilization', 'connection-accesspoints', 'connection-client-devices-authorized',
+'connection-rogue-devices'.
+
+=back
+
+=cut
diff --git a/network/ruckus/zonedirector/snmp/mode/listaccesspoints.pm b/network/ruckus/zonedirector/snmp/mode/listaccesspoints.pm
new file mode 100644
index 000000000..93209a57e
--- /dev/null
+++ b/network/ruckus/zonedirector/snmp/mode/listaccesspoints.pm
@@ -0,0 +1,131 @@
+#
+# 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 network::ruckus::zonedirector::snmp::mode::listaccesspoints;
+
+use base qw(centreon::plugins::mode);
+
+use strict;
+use warnings;
+
+my $map_zd_connection_status = {
+    0 => 'disconnected', 1 => 'connected', 2 => 'approvalPending', 3 => 'upgradingFirmware', 4 => 'provisioning'
+};
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+
+    $options{options}->add_options(arguments => {
+    });
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::init(%options);
+}
+
+my $mapping = {
+    description          => { oid => '.1.3.6.1.4.1.25053.1.2.2.1.1.2.1.1.2' }, # ruckusZDWLANAPDescription
+    zd_connection_status => { oid => '.1.3.6.1.4.1.25053.1.2.2.1.1.2.1.1.3', map => $map_zd_connection_status },  # ruckusZDWLANAPStatus
+    model                => { oid => '.1.3.6.1.4.1.25053.1.2.2.1.1.2.1.1.4' },  # ruckusZDWLANAPModel
+    serial_number        => { oid => '.1.3.6.1.4.1.25053.1.2.2.1.1.2.1.1.5' }, # ruckusZDWLANAPSerialNumber
+};
+my $oid_ruckusZDWLANAPEntry = '.1.3.6.1.4.1.25053.1.2.2.1.1.2.1.1';
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    my $snmp_result = $options{snmp}->get_table(
+        oid => $oid_ruckusZDWLANAPEntry,
+        start => $mapping->{description}->{oid},
+        end => $mapping->{serial_number}->{oid},
+        nothing_quit => 1
+    );
+
+    my $accesspoints = {};
+    foreach my $oid (keys %$snmp_result) {
+        next if ($oid !~ /^$mapping->{description}->{oid}\.(.*)$/);
+        my $instance = $1;
+        $accesspoints->{$instance} = $options{snmp}->map_instance(mapping => $mapping, results => $snmp_result, instance => $instance);
+    }
+
+    return $accesspoints;
+}
+
+sub run {
+    my ($self, %options) = @_;
+  
+    my $accesspoints = $self->manage_selection(%options);
+    foreach (sort keys %$accesspoints) {
+        $self->{output}->output_add(
+            long_msg => sprintf(
+                '[description: %s] [serial number: %s] [model: %s] [zonedirector connection status: %s]',
+                $accesspoints->{$_}->{description},
+                $accesspoints->{$_}->{serial_number},
+                $accesspoints->{$_}->{model},
+                $accesspoints->{$_}->{zd_connection_status}
+                
+            )
+        );
+    }
+
+    $self->{output}->output_add(
+        severity => 'OK',
+        short_msg => 'List acess points:'
+    );
+    $self->{output}->display(nolabel => 1, force_ignore_perfdata => 1, force_long_output => 1);
+    $self->{output}->exit();
+}
+
+sub disco_format {
+    my ($self, %options) = @_;
+
+    $self->{output}->add_disco_format(elements => [keys %$mapping]);
+}
+
+sub disco_show {
+    my ($self, %options) = @_;
+
+    my $accesspoints = $self->manage_selection(%options);
+    foreach (sort keys %$accesspoints) { 
+        $self->{output}->add_disco_entry(
+            %{$accesspoints->{$_}}
+        );
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+List acess points.
+
+=over 8
+
+=back
+
+=cut
+    
diff --git a/network/ruckus/zonedirector/snmp/mode/system.pm b/network/ruckus/zonedirector/snmp/mode/system.pm
new file mode 100644
index 000000000..54f0886a6
--- /dev/null
+++ b/network/ruckus/zonedirector/snmp/mode/system.pm
@@ -0,0 +1,292 @@
+#
+# Copyright 2020 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package network::ruckus::zonedirector::snmp::mode::system;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+use Digest::MD5 qw(md5_hex);
+use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold catalog_status_calc);
+
+sub custom_status_output {
+    my ($self, %options) = @_;
+
+    return sprintf('system status is %s [peer status: %s]',
+        $self->{result_values}->{system_status},
+        $self->{result_values}->{peer_connected_status}
+    );
+}
+
+sub system_long_output {
+    my ($self, %options) = @_;
+
+    return 'checking system ';
+}
+
+sub custom_usage_output {
+    my ($self, %options) = @_;
+
+    return sprintf(
+        'ram total: %s %s used: %s %s (%.2f%%) free: %s %s (%.2f%%)',
+        $self->{perfdata}->change_bytes(value => $self->{result_values}->{total_absolute}),
+        $self->{perfdata}->change_bytes(value => $self->{result_values}->{used_absolute}),
+        $self->{result_values}->{prct_used_absolute},
+        $self->{perfdata}->change_bytes(value => $self->{result_values}->{free_absolute}),
+        $self->{result_values}->{prct_free_absolute}
+    );
+}
+
+sub set_counters {
+    my ($self, %options) = @_;
+
+    $self->{maps_counters_type} = [
+        { name => 'system', type => 3, cb_long_output => 'system_long_output',
+          indent_long_output => '    ',
+            group => [
+                { name => 'status', type => 0, skipped_code => { -10 => 1 } },
+                { name => 'cpu', type => 0, skipped_code => { -10 => 1 } },
+                { name => 'memory', type => 0, skipped_code => { -10 => 1 } },
+                { name => 'connection', type => 0, skipped_code => { -10 => 1 } },
+                { name => 'traffic', type => 0, skipped_code => { -10 => 1 } }
+            ]
+        }
+    ];
+
+    $self->{maps_counters}->{status} = [
+        { label => 'status', threshold => 0, set => {
+                key_values => [ { name => 'system_status' }, { name => 'peer_connected_status' } ],
+                closure_custom_calc => \&catalog_status_calc,
+                closure_custom_output => $self->can('custom_status_output'),
+                closure_custom_perfdata => sub { return 0; },
+                closure_custom_threshold_check => \&catalog_status_threshold
+            }
+        }
+    ];
+
+    $self->{maps_counters}->{cpu} = [
+        { label => 'cpu-utilization', nlabel => 'system.cpu.utilization.percentage', set => {
+                key_values => [ { name => 'cpu_util' } ],
+                output_template => 'cpu usage: %.2f%%',
+                perfdatas => [
+                    { value => 'cpu_util_absolute', template => '%.2f', unit => '%', min => 0, max => 100 }
+                ]
+            }
+        }
+    ];
+
+    $self->{maps_counters}->{memory} = [
+        { label => 'memory-usage', nlabel => 'system.memory.usage.bytes', set => {
+                key_values => [ { name => 'used' }, { name => 'free' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' } ],
+                closure_custom_output => $self->can('custom_usage_output'),
+                perfdatas => [
+                    { value => 'used_absolute', template => '%d', min => 0, max => 'total_absolute',
+                      unit => 'B', cast_int => 1 }
+                ]
+            }
+        },
+        { label => 'usage-free', display_ok => 0, nlabel => 'system.memory.free.bytes', set => {
+                key_values => [ { name => 'free' }, { name => 'used' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' } ],
+                closure_custom_output => $self->can('custom_usage_output'),
+                perfdatas => [
+                    { value => 'free_absolute', template => '%d', min => 0, max => 'total_absolute',
+                      unit => 'B', cast_int => 1 }
+                ]
+            }
+        },
+        { label => 'usage-prct', display_ok => 0, nlabel => 'system.memory.usage.percentage', set => {
+                key_values => [ { name => 'prct_used' } ],
+                output_template => 'ram used: %.2f %%',
+                perfdatas => [
+                    { value => 'prct_used_absolute', template => '%.2f', min => 0, max => 100 }
+                ]
+            }
+        }
+    ];
+
+    $self->{maps_counters}->{connection} = [
+        { label => 'connection-accesspoints', nlabel => 'system.connection.accesspoints.count', set => {
+                key_values => [ { name => 'ap' } ],
+                output_template => 'access points connections: %d',
+                perfdatas => [
+                    { value => 'ap_absolute', template => '%d', min => 0 }
+                ]
+            }
+        },
+        { label => 'connection-client-devices-authorized', nlabel => 'system.connection.client.devices.authorized.count', set => {
+                key_values => [ { name => 'authorized_clients' } ],
+                output_template => 'client devices authorized connections: %d',
+                perfdatas => [
+                    { value => 'authorized_clients_absolute', template => '%d', min => 0 }
+                ]
+            }
+        },
+        { label => 'connection-rogue-devices', nlabel => 'system.connection.rogue.devices.count', display_ok => 0, set => {
+                key_values => [ { name => 'rogues' } ],
+                output_template => 'rogue devices connections: %d',
+                perfdatas => [
+                    { value => 'rogues_absolute', template => '%d', min => 0 }
+                ]
+            }
+        }
+    ];
+
+    $self->{maps_counters}->{traffic} = [
+        { label => 'traffic-in', nlabel => 'system.traffic.in.bitspersecond', set => {
+                key_values => [ { name => 'traffic_in', diff => 1 } ],
+                output_template => 'traffic in: %s%s/s',
+                per_second => 1, output_change_bytes => 2,
+                perfdatas => [
+                    { value => 'traffic_in_per_second', template => '%s',
+                      min => 0, unit => 'b/s' }
+                ]
+            }
+        },
+        { label => 'traffic-out', nlabel => 'system.traffic.out.bitspersecond', set => {
+                key_values => [ { name => 'traffic_out', diff => 1 } ],
+                output_template => 'traffic in: %s%s/s',
+                per_second => 1, output_change_bytes => 2,
+                perfdatas => [
+                    { value => 'traffic_out_per_second', template => '%s',
+                      min => 0, unit => 'b/s' }
+                ]
+            }
+        }
+    ];
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1, force_new_perfdata => 1);
+    bless $self, $class;
+
+    $options{options}->add_options(arguments => {
+        'unknown-status:s'  => { name => 'unknown_status', default => '' },
+        'warning-status:s'  => { name => 'warning_status', default => '' },
+        'critical-status:s' => { name => 'critical_status', default => '' }
+    });
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    $self->change_macros(macros => ['unknown_status', 'warning_status', 'critical_status']);
+}
+
+my $map_system_status = {
+    1 => 'master', 2 => 'standby', 3 => 'noredundancy'
+};
+my $map_peer_connected_status = {
+    1 => 'connected', 2 => 'disconnected'
+};
+
+my $mapping = {
+    system_status         => { oid => '.1.3.6.1.4.1.25053.1.2.1.1.1.1.30', map => $map_system_status },  # ruckusZDSystemStatus
+    peer_connected_status => { oid => '.1.3.6.1.4.1.25053.1.2.1.1.1.1.31', map => $map_peer_connected_status },  # ruckusZDSystemPeerConnectedStatus
+    cpu_util              => { oid => '.1.3.6.1.4.1.25053.1.2.1.1.1.5.58' },  # ruckusZDSystemCPUUtil
+    memory_used_prct      => { oid => '.1.3.6.1.4.1.25053.1.2.1.1.1.5.59' },  # ruckusZDSystemMemoryUtil (%)
+    memory_size           => { oid => '.1.3.6.1.4.1.25053.1.2.1.1.1.5.60' },  # ruckusZDSystemMemorySize (MB)
+    ap                    => { oid => '.1.3.6.1.4.1.25053.1.2.1.1.1.15.1' },  # ruckusZDSystemStatsNumAP
+    authorized_clients    => { oid => '.1.3.6.1.4.1.25053.1.2.1.1.1.15.2' },  # ruckusZDSystemStatsNumSta
+    rogues                => { oid => '.1.3.6.1.4.1.25053.1.2.1.1.1.15.3' },  # ruckusZDSystemStatsNumRogue
+    traffic_in            => { oid => '.1.3.6.1.4.1.25053.1.2.1.1.1.15.6' }, # ruckusZDSystemStatsWLANTotalRxBytes
+    traffic_out           => { oid => '.1.3.6.1.4.1.25053.1.2.1.1.1.15.9' }  # ruckusZDSystemStatsWLANTotalTxBytes
+};
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    my $snmp_result = $options{snmp}->get_leef(
+        oids => [ map($_->{oid} . '.0', values(%$mapping)) ],
+        nothing_quit => 1
+    );
+    my $result = $options{snmp}->map_instance(mapping => $mapping, results => $snmp_result, instance => 0);
+
+    my $memory_total = $result->{memory_size} * 1024 * 1024;
+    my $memory_used = $result->{memory_used_prct} * $memory_total / 100;
+    
+    $self->{system}->{global} = {
+        status => {
+            system_status => $result->{system_status},
+            peer_connected_status => $result->{peer_connected_status}
+        },
+        cpu => { cpu_util => $result->{cpu_util} },
+        memory => {
+            used => $memory_used,
+            free => $memory_total - $memory_used,
+            prct_used => $result->{memory_used_prct},
+            prct_free => 100 - $result->{memory_used_prct},
+            total => $memory_total
+        },
+        connection => {
+            ap => $result->{ap},
+            authorized_clients => $result->{authorized_clients},
+            rogues => $result->{rogues}
+        },
+        traffic => {
+            traffic_in => $result->{traffic_in} * 8,
+            traffic_out => $result->{traffic_out} * 8
+        }
+    };
+
+    $self->{cache_name} = 'ruckus_zd_' . $options{snmp}->get_hostname()  . '_' . $options{snmp}->get_port() . '_' . $self->{mode} . '_' .
+        (defined($self->{option_results}->{filter_counters_block}) ? md5_hex($self->{option_results}->{filter_counters_block}) : md5_hex('all')) . '_' .
+        (defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all'));
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check system.
+
+=over 8
+
+=item B<--unknown-status>
+
+Set unknown threshold for status (Default: '').
+Can used special variables like: %{system_status}, %{peer_connected_status}
+
+=item B<--warning-status>
+
+Set warning threshold for status (Default: '').
+Can used special variables like: %{system_status}, %{peer_connected_status}
+
+=item B<--critical-status>
+
+Set critical threshold for status.
+Can used special variables like: %{system_status}, %{peer_connected_status}
+
+=item B<--warning-*> B<--critical-*>
+
+Thresholds.
+Can be: 'memory-usage', 'usage-free', 'usage-prct', 'traffic-in', 'traffic-out',
+'cpu-utilization', 'connection-accesspoints', 'connection-client-devices-authorized',
+'connection-rogue-devices'.
+
+=back
+
+=cut
diff --git a/network/ruckus/zonedirector/snmp/plugin.pm b/network/ruckus/zonedirector/snmp/plugin.pm
new file mode 100644
index 000000000..fceea76f4
--- /dev/null
+++ b/network/ruckus/zonedirector/snmp/plugin.pm
@@ -0,0 +1,50 @@
+#
+# 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 network::ruckus::zonedirector::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;
+
+    $self->{version} = '0.5';
+    %{$self->{modes}} = (
+        'access-points'      => 'network::ruckus::zonedirector::snmp::mode::accesspoints',
+        'list-access-points' => 'network::ruckus::zonedirector::snmp::mode::listaccesspoints',
+        'system'             => 'network::ruckus::zonedirector::snmp::mode::system'
+    );
+
+    return $self;
+}
+
+1;
+
+__END__
+
+=head1 PLUGIN DESCRIPTION
+
+Check Ruckus ZoneDirector in SNMP.
+
+=cut