diff --git a/network/ruckus/scg/snmp/mode/apstatus.pm b/network/ruckus/scg/snmp/mode/apstatus.pm
new file mode 100644
index 000000000..9582a3e9f
--- /dev/null
+++ b/network/ruckus/scg/snmp/mode/apstatus.pm
@@ -0,0 +1,205 @@
+#
+# Copyright 2018 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::scg::snmp::mode::apstatus;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+use Digest::MD5 qw(md5_hex);
+
+my $instance_mode;
+
+sub custom_status_threshold {
+    my ($self, %options) = @_; 
+    my $status = 'ok';
+    my $message;
+    
+    eval {
+        local $SIG{__WARN__} = sub { $message = $_[0]; };
+        local $SIG{__DIE__} = sub { $message = $_[0]; };
+        
+        if (defined($instance_mode->{option_results}->{critical_status}) && $instance_mode->{option_results}->{critical_status} ne '' &&
+            eval "$instance_mode->{option_results}->{critical_status}") {
+            $status = 'critical';
+        } elsif (defined($instance_mode->{option_results}->{warning_status}) && $instance_mode->{option_results}->{warning_status} ne '' &&
+            eval "$instance_mode->{option_results}->{warning_status}") {
+            $status = 'warning';
+        }
+    };
+    if (defined($message)) {
+        $self->{output}->output_add(long_msg => 'filter status issue: ' . $message);
+    }
+
+    return $status;
+}
+
+sub custom_status_output {
+    my ($self, %options) = @_;
+    
+    my $msg = "connection status is '" . $self->{result_values}->{connection_status} . "'";
+    $msg .= ", registration status is '" . $self->{result_values}->{registration_status} . "'";
+    $msg .= ", configuration status is '" . $self->{result_values}->{configuration_status} . "'";
+    return $msg;
+}
+
+sub custom_status_calc {
+    my ($self, %options) = @_;
+    
+    $self->{result_values}->{connection_status} = $options{new_datas}->{$self->{instance} . '_ruckusSCGAPConnStatus'};
+    $self->{result_values}->{registration_status} = $options{new_datas}->{$self->{instance} . '_ruckusSCGAPRegStatus'};
+    $self->{result_values}->{configuration_status} = $options{new_datas}->{$self->{instance} . '_ruckusSCGAPConfigStatus'};
+    $self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
+    return 0;
+}
+
+sub set_counters {
+    my ($self, %options) = @_;
+    
+    $self->{maps_counters_type} = [
+        { name => 'ap', type => 1, cb_prefix_output => 'prefix_ap_output', message_multiple => 'All APs are ok' }
+    ];
+    
+    $self->{maps_counters}->{ap} = [
+        { label => 'status', threshold => 0, set => {
+                key_values => [ { name => 'ruckusSCGAPConnStatus' }, { name => 'ruckusSCGAPRegStatus' },
+                    { name => 'ruckusSCGAPConfigStatus' }, { name => 'display' } ],
+                closure_custom_calc => $self->can('custom_status_calc'),
+                closure_custom_output => $self->can('custom_status_output'),
+                closure_custom_perfdata => sub { return 0; },
+                closure_custom_threshold_check => $self->can('custom_status_threshold'),
+            }
+        },
+    ];
+}
+
+sub prefix_ap_output {
+    my ($self, %options) = @_;
+    
+    return "AP '" . $options{instance_value}->{display} . "' ";
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+    
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+                                {
+                                  "filter-name:s"       => { name => 'filter_name' },
+                                  "warning-status:s"    => { name => 'warning_status', default => '%{configuration_status} !~ /^Up-to-date$/i' },
+                                  "critical-status:s"   => { name => 'critical_status', default => '%{connection_status} =~ /^Disconnect$/i' },
+                                });
+    
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    $instance_mode = $self;
+    $self->change_macros();
+}
+
+sub change_macros {
+    my ($self, %options) = @_;
+    
+    foreach (('warning_status', 'critical_status')) {
+        if (defined($self->{option_results}->{$_})) {
+            $self->{option_results}->{$_} =~ s/%\{(.*?)\}/\$self->{result_values}->{$1}/g;
+        }
+    }
+}
+
+my $oid_ruckusSCGAPName = '.1.3.6.1.4.1.25053.1.3.2.1.1.2.2.1.5',
+my $mapping = {
+    ruckusSCGAPConnStatus   => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.2.2.1.16' },
+    ruckusSCGAPRegStatus    => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.2.2.1.17' },
+    ruckusSCGAPConfigStatus => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.2.2.1.18' },
+};
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    $self->{ap} = {};
+    my $snmp_result = $options{snmp}->get_table(oid => $oid_ruckusSCGAPName, nothing_quit => 1);
+    foreach my $oid (keys %{$snmp_result}) {
+        $oid =~ /^$oid_ruckusSCGAPName\.(.*)$/;
+        my $instance = $1;
+        if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
+            $snmp_result->{$oid} !~ /$self->{option_results}->{filter_name}/) {
+            $self->{output}->output_add(long_msg => "skipping '" . $snmp_result->{$oid} . "'.", debug => 1);
+            next;
+        }
+        
+        $self->{ap}->{$instance} = { display => $snmp_result->{$oid} };
+    }
+    
+    $options{snmp}->load(oids => [ $mapping->{ruckusSCGAPConnStatus}->{oid},
+                                   $mapping->{ruckusSCGAPRegStatus}->{oid},
+                                   $mapping->{ruckusSCGAPConfigStatus}->{oid} ],
+                         instances => [ keys %{$self->{ap}} ],
+                         instance_regexp => '^(.*)$');
+    $snmp_result = $options{snmp}->get_leef(nothing_quit => 1);
+    
+    foreach (keys %{$self->{ap}}) {
+        my $result = $options{snmp}->map_instance(mapping => $mapping, results => $snmp_result, instance => $_);        
+                
+        foreach my $name (keys %$mapping) {
+            $self->{ap}->{$_}->{$name} = $result->{$name};
+        }
+    }
+    
+    if (scalar(keys %{$self->{ap}}) <= 0) {
+        $self->{output}->add_option_msg(short_msg => "No AP found.");
+        $self->{output}->option_exit();
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check AP status.
+
+=over 8
+
+=item B<--filter-name>
+
+Filter by AP name (can be a regexp).
+
+=item B<--warning-status>
+
+Set warning threshold for status (Default: '%{configuration_status} !~ /^Up-to-date$/i').
+Can used special variables like: %{connection_status}, %{registration_status}, %{configuration_status}, %{display}
+
+=item B<--critical-status>
+
+Set critical threshold for status (Default: '%{connection_status} =~ /^Disconnect$/i').
+Can used special variables like: %{connection_status}, %{registration_status}, %{configuration_status}, %{display}
+
+=back
+
+=cut
diff --git a/network/ruckus/scg/snmp/mode/apusage.pm b/network/ruckus/scg/snmp/mode/apusage.pm
new file mode 100644
index 000000000..db4318e5d
--- /dev/null
+++ b/network/ruckus/scg/snmp/mode/apusage.pm
@@ -0,0 +1,174 @@
+#
+# Copyright 2018 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package network::ruckus::scg::snmp::mode::apusage;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+use Digest::MD5 qw(md5_hex);
+
+sub set_counters {
+    my ($self, %options) = @_;
+
+    $self->{maps_counters_type} = [
+        { name => 'ap', type => 1, cb_prefix_output => 'prefix_ap_output', message_multiple => 'All APs are ok' },
+    ];
+    
+    $self->{maps_counters}->{ap} = [
+        { label => 'users-count', set => {
+                key_values => [ { name => 'ruckusSCGAPNumSta' }, { name => 'display' } ],
+                output_template => 'Users count: %s',
+                perfdatas => [
+                    { label => 'users_count', value => 'ruckusSCGAPNumSta_absolute', template => '%s',
+                      unit => 'users', min => 0, label_extra_instance => 1, instance_use => 'display_absolute' },
+                ],
+            }
+        },
+        { label => 'traffic-in', set => {
+                key_values => [ { name => 'ruckusSCGAPRXBytes', diff => 1 }, { name => 'display' } ],
+                output_template => 'Traffic In: %s %s/s',
+                per_second => 1, output_change_bytes => 2,
+                perfdatas => [
+                    { label => 'traffic_in', value => 'ruckusSCGAPRXBytes_absolute', template => '%s',
+                      min => 0, unit => 'b/s', label_extra_instance => 1, instance_use => 'display_absolute' },
+                ],
+            }
+        },
+        { label => 'traffic-out', set => {
+                key_values => [ { name => 'ruckusSCGAPTXBytes', diff => 1 }, { name => 'display' } ],
+                output_template => 'Traffic Out: %s %s/s',
+                per_second => 1, output_change_bytes => 2,
+                perfdatas => [
+                    { label => 'traffic_out', value => 'ruckusSCGAPTXBytes_absolute', template => '%s',
+                      min => 0, unit => 'b/s', label_extra_instance => 1, instance_use => 'display_absolute' },
+                ],
+            }
+        },
+    ];
+}
+
+sub prefix_ap_output {
+    my ($self, %options) = @_;
+
+    return "AP '" . $options{instance_value}->{display} . "' ";
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1);
+    bless $self, $class;
+    
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+                                {
+                                  "filter-name:s"    => { name => 'filter_name' },
+                                });
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+}
+
+my $oid_ruckusSCGAPName = '.1.3.6.1.4.1.25053.1.3.2.1.1.2.2.1.5',
+my $mapping = {
+    ruckusSCGAPNumSta       => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.2.2.1.15' },
+    ruckusSCGAPRXBytes      => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.2.2.1.30' },
+    ruckusSCGAPTXBytes      => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.2.2.1.31' },
+};
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    if ($options{snmp}->is_snmpv1()) {
+        $self->{output}->add_option_msg(short_msg => "Need to use SNMP v2c or v3.");
+        $self->{output}->option_exit();
+    }
+
+    $self->{ap} = {};
+    my $snmp_result = $options{snmp}->get_table(oid => $oid_ruckusSCGAPName, nothing_quit => 1);
+    foreach my $oid (keys %{$snmp_result}) {
+        $oid =~ /^$oid_ruckusSCGAPName\.(.*)$/;
+        my $instance = $1;
+        if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
+            $snmp_result->{$oid} !~ /$self->{option_results}->{filter_name}/) {
+            $self->{output}->output_add(long_msg => "skipping '" . $snmp_result->{$oid} . "'.", debug => 1);
+            next;
+        }
+        
+        $self->{ap}->{$instance} = { display => $snmp_result->{$oid} };
+    }
+    
+    $options{snmp}->load(oids => [ $mapping->{ruckusSCGAPNumSta}->{oid},
+                                   $mapping->{ruckusSCGAPRXBytes}->{oid},
+                                   $mapping->{ruckusSCGAPTXBytes}->{oid} ],
+                         instances => [ keys %{$self->{ap}} ],
+                         instance_regexp => '^(.*)$');
+    $snmp_result = $options{snmp}->get_leef(nothing_quit => 1);
+    
+    foreach (keys %{$self->{ap}}) {
+        my $result = $options{snmp}->map_instance(mapping => $mapping, results => $snmp_result, instance => $_);        
+                
+        foreach my $name (keys %{$mapping}) {
+            $self->{ap}->{$_}->{$name} = $result->{$name};
+        }
+    }
+
+    if (scalar(keys %{$self->{ap}}) <= 0) {
+        $self->{output}->add_option_msg(short_msg => "No AP found.");
+        $self->{output}->option_exit();
+    }
+
+    $self->{cache_name} = "ruckus_scg_" . $options{snmp}->get_hostname() . '_' . $options{snmp}->get_port() . '_' . $self->{mode} . '_' .
+        (defined($self->{option_results}->{filter_name}) ? md5_hex($self->{option_results}->{filter_name}) : md5_hex('all'));
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check AP connected users and traffic.
+
+=over 8
+
+=item B<--filter-name>
+
+Filter by AP name (can be a regexp).
+
+=item B<--warning-*>
+
+Threshold warning.
+Can be: 'users-count', 'traffic-in', 'traffic-out'.
+
+=item B<--critical-*>
+
+Threshold critical.
+Can be: 'users-count', 'traffic-in', 'traffic-out'.
+
+=back
+
+=cut
+    
diff --git a/network/ruckus/scg/snmp/mode/listaps.pm b/network/ruckus/scg/snmp/mode/listaps.pm
new file mode 100644
index 000000000..1cfab462a
--- /dev/null
+++ b/network/ruckus/scg/snmp/mode/listaps.pm
@@ -0,0 +1,158 @@
+#
+# Copyright 2018 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package network::ruckus::scg::snmp::mode::listaps;
+
+use base qw(centreon::plugins::mode);
+
+use strict;
+use warnings;
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+    
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+                                {
+                                  "filter-name:s"    => { name => 'filter_name' },
+                                });
+    $self->{ap} = {};
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::init(%options);
+}
+
+my $mapping = {
+    ruckusSCGAPGroup        => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.2.2.1.2' },
+    ruckusSCGAPZone         => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.2.2.1.3' },
+    ruckusSCGAPDomain       => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.2.2.1.4' },
+    ruckusSCGAPName         => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.2.2.1.5' },
+    ruckusSCGAPModel        => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.2.2.1.8' },
+    ruckusSCGAPConnStatus   => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.2.2.1.16' },
+    ruckusSCGAPLocation     => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.2.2.1.19' },
+    ruckusSCGAPDescription  => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.2.2.1.22' },
+};
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    my $snmp_result = $options{snmp}->get_multiple_table(oids => [ { oid => $mapping->{ruckusSCGAPGroup}->{oid} },
+                                                                   { oid => $mapping->{ruckusSCGAPZone}->{oid} },
+                                                                   { oid => $mapping->{ruckusSCGAPDomain}->{oid} },
+                                                                   { oid => $mapping->{ruckusSCGAPName}->{oid} },
+                                                                   { oid => $mapping->{ruckusSCGAPModel}->{oid} },
+                                                                   { oid => $mapping->{ruckusSCGAPConnStatus}->{oid} },
+                                                                   { oid => $mapping->{ruckusSCGAPLocation}->{oid} },
+                                                                   { oid => $mapping->{ruckusSCGAPDescription}->{oid} },
+                                                                 ],
+                                                         return_type => 1, nothing_quit => 1);
+    foreach my $oid (keys %$snmp_result) {
+        next if ($oid !~ /^$mapping->{ruckusSCGAPName}->{oid}\.(.*)$/);
+        my $instance = $1;
+        my $result = $options{snmp}->map_instance(mapping => $mapping, results => $snmp_result, instance => $instance);
+        
+        if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
+            $result->{ruckusSCGAPName} !~ /$self->{option_results}->{filter_name}/) {
+            $self->{output}->output_add(long_msg => "skipping '" . $result->{ruckusSCGAPName} . "': no matching filter.", debug => 1);
+            next;
+        }
+        
+        $self->{ap}->{$instance} = { 
+            name => $result->{ruckusSCGAPName},
+            group => $result->{ruckusSCGAPGroup},
+            zone => $result->{ruckusSCGAPZone},
+            domain => $result->{ruckusSCGAPDomain},
+            model => $result->{ruckusSCGAPModel},
+            status => $result->{ruckusSCGAPConnStatus},
+            location => $result->{ruckusSCGAPLocation},
+            description => $result->{ruckusSCGAPDescription}
+        };
+    }
+}
+
+sub run {
+    my ($self, %options) = @_;
+  
+    $self->manage_selection(%options);
+    foreach my $instance (sort keys %{$self->{ap}}) { 
+        $self->{output}->output_add(long_msg => '[name = ' . $self->{ap}->{$instance}->{name} .
+            "] [group = " . $self->{ap}->{$instance}->{group} .
+            "] [zone = " . $self->{ap}->{$instance}->{zone} .
+            "] [domain = " . $self->{ap}->{$instance}->{domain} .
+            "] [model = " . $self->{ap}->{$instance}->{model} .
+            "] [status = " . $self->{ap}->{$instance}->{status} .
+            "] [location = " . $self->{ap}->{$instance}->{location} .
+            "] [description = " . $self->{ap}->{$instance}->{description} . "]"
+        );
+    }
+    
+    $self->{output}->output_add(severity => 'OK',
+                                short_msg => 'List APs:');
+    $self->{output}->display(nolabel => 1, force_ignore_perfdata => 1, force_long_output => 1);
+    $self->{output}->exit();
+}
+
+sub disco_format {
+    my ($self, %options) = @_;
+    
+    $self->{output}->add_disco_format(elements => ['name', 'group', 'zone', 'domain', 'model', 'status', 'location', 'description']);
+}
+
+sub disco_show {
+    my ($self, %options) = @_;
+
+    $self->manage_selection(%options);
+    foreach my $instance (sort keys %{$self->{ap}}) {
+        $self->{output}->add_disco_entry(
+            name => $self->{ap}->{$instance}->{name},
+            group => $self->{ap}->{$instance}->{group},
+            zone => $self->{ap}->{$instance}->{zone},
+            domain => $self->{ap}->{$instance}->{domain},
+            model => $self->{ap}->{$instance}->{model},
+            status => $self->{ap}->{$instance}->{status},
+            location => $self->{ap}->{$instance}->{location},
+            description => $self->{ap}->{$instance}->{description});
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+List APs.
+
+=over 8
+
+=item B<--filter-name>
+
+Filter by AP name (can be a regexp).
+
+=back
+
+=cut
+    
diff --git a/network/ruckus/scg/snmp/mode/listssids.pm b/network/ruckus/scg/snmp/mode/listssids.pm
new file mode 100644
index 000000000..cf5e53ba4
--- /dev/null
+++ b/network/ruckus/scg/snmp/mode/listssids.pm
@@ -0,0 +1,138 @@
+#
+# Copyright 2018 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::scg::snmp::mode::listssids;
+
+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;
+    
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+                                {
+                                  "filter-name:s"    => { name => 'filter_name' },
+                                });
+    $self->{ssid} = {};
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::init(%options);
+}
+
+my $mapping = {
+    ruckusSCGWLANSSID       => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.1.2.1.1' },
+    ruckusSCGWLANZone       => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.1.2.1.2' },
+    ruckusSCGWLANDomain     => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.1.2.1.3' },
+    ruckusSCGWLANAuthType   => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.1.2.1.17' },
+};
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    my $snmp_result = $options{snmp}->get_multiple_table(oids => [ { oid => $mapping->{ruckusSCGWLANSSID}->{oid} },
+                                                                   { oid => $mapping->{ruckusSCGWLANZone}->{oid} },
+                                                                   { oid => $mapping->{ruckusSCGWLANDomain}->{oid} },
+                                                                   { oid => $mapping->{ruckusSCGWLANAuthType}->{oid} },
+                                                                 ],
+                                                         return_type => 1, nothing_quit => 1);
+    foreach my $oid (keys %$snmp_result) {
+        next if ($oid !~ /^$mapping->{ruckusSCGWLANSSID}->{oid}\.(.*)$/);
+        my $instance = $1;
+        my $result = $options{snmp}->map_instance(mapping => $mapping, results => $snmp_result, instance => $instance);
+        
+        if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
+            $result->{ruckusSCGWLANSSID} !~ /$self->{option_results}->{filter_name}/) {
+            $self->{output}->output_add(long_msg => "skipping '" . $result->{ruckusSCGWLANSSID} . "': no matching filter.", debug => 1);
+            next;
+        }
+        
+        $self->{ssid}->{$instance} = { 
+            name => $result->{ruckusSCGWLANSSID},
+            zone => $result->{ruckusSCGWLANZone},
+            domain => $result->{ruckusSCGWLANDomain},
+            authentication => $result->{ruckusSCGWLANAuthType}
+        };
+    }
+}
+
+sub run {
+    my ($self, %options) = @_;
+  
+    $self->manage_selection(%options);
+    foreach my $instance (sort keys %{$self->{ssid}}) { 
+        $self->{output}->output_add(long_msg => '[name = ' . $self->{ssid}->{$instance}->{name} .
+            "] [zone = " . $self->{ssid}->{$instance}->{zone} .
+            "] [domain = " . $self->{ssid}->{$instance}->{domain} .
+            "] [authentication = " . $self->{ssid}->{$instance}->{authentication} . "]"
+        );
+    }
+    
+    $self->{output}->output_add(severity => 'OK',
+                                short_msg => 'List SSIDs:');
+    $self->{output}->display(nolabel => 1, force_ignore_perfdata => 1, force_long_output => 1);
+    $self->{output}->exit();
+}
+
+sub disco_format {
+    my ($self, %options) = @_;
+    
+    $self->{output}->add_disco_format(elements => ['name', 'zone', 'domain', 'authentication']);
+}
+
+sub disco_show {
+    my ($self, %options) = @_;
+
+    $self->manage_selection(%options);
+    foreach my $instance (sort keys %{$self->{ssid}}) {
+        $self->{output}->add_disco_entry(
+            name => $self->{ssid}->{$instance}->{name},
+            zone => $self->{ssid}->{$instance}->{zone},
+            domain => $self->{ssid}->{$instance}->{domain},
+            authentication => $self->{ssid}->{$instance}->{authentication});
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+List SSIDs.
+
+=over 8
+
+=item B<--filter-name>
+
+Filter by SSID name (can be a regexp).
+
+=back
+
+=cut
+    
diff --git a/network/ruckus/scg/snmp/mode/ssidusage.pm b/network/ruckus/scg/snmp/mode/ssidusage.pm
new file mode 100644
index 000000000..9e7611423
--- /dev/null
+++ b/network/ruckus/scg/snmp/mode/ssidusage.pm
@@ -0,0 +1,174 @@
+#
+# Copyright 2018 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::scg::snmp::mode::ssidusage;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+use Digest::MD5 qw(md5_hex);
+
+sub set_counters {
+    my ($self, %options) = @_;
+
+    $self->{maps_counters_type} = [
+        { name => 'ssid', type => 1, cb_prefix_output => 'prefix_ssid_output', message_multiple => 'All SSIDs are ok' },
+    ];
+    
+    $self->{maps_counters}->{ssid} = [
+        { label => 'users-count', set => {
+                key_values => [ { name => 'ruckusSCGWLANNumSta' }, { name => 'display' } ],
+                output_template => 'Users count: %s',
+                perfdatas => [
+                    { label => 'users_count', value => 'ruckusSCGWLANNumSta_absolute', template => '%s',
+                      unit => 'users', min => 0, label_extra_instance => 1, instance_use => 'display_absolute' },
+                ],
+            }
+        },
+        { label => 'traffic-in', set => {
+                key_values => [ { name => 'ruckusSCGWLANRxBytes', diff => 1 }, { name => 'display' } ],
+                output_template => 'Traffic In: %s %s/s',
+                per_second => 1, output_change_bytes => 2,
+                perfdatas => [
+                    { label => 'traffic_in', value => 'ruckusSCGWLANRxBytes_absolute', template => '%s',
+                      min => 0, unit => 'b/s', label_extra_instance => 1, instance_use => 'display_absolute' },
+                ],
+            }
+        },
+        { label => 'traffic-out', set => {
+                key_values => [ { name => 'ruckusSCGWLANTxBytes', diff => 1 }, { name => 'display' } ],
+                output_template => 'Traffic Out: %s %s/s',
+                per_second => 1, output_change_bytes => 2,
+                perfdatas => [
+                    { label => 'traffic_out', value => 'ruckusSCGWLANTxBytes_absolute', template => '%s',
+                      min => 0, unit => 'b/s', label_extra_instance => 1, instance_use => 'display_absolute' },
+                ],
+            }
+        },
+    ];
+}
+
+sub prefix_ssid_output {
+    my ($self, %options) = @_;
+
+    return "SSID '" . $options{instance_value}->{display} . "' ";
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1);
+    bless $self, $class;
+    
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+                                {
+                                  "filter-name:s"    => { name => 'filter_name' },
+                                });
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+}
+
+my $oid_ruckusSCGAPName = '.1.3.6.1.4.1.25053.1.3.2.1.1.1.2.1.1',
+my $mapping = {
+    ruckusSCGWLANNumSta     => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.1.2.1.12' },
+    ruckusSCGWLANRxBytes    => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.1.2.1.14' },
+    ruckusSCGWLANTxBytes    => { oid => '.1.3.6.1.4.1.25053.1.3.2.1.1.1.2.1.16' },
+};
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    if ($options{snmp}->is_snmpv1()) {
+        $self->{output}->add_option_msg(short_msg => "Need to use SNMP v2c or v3.");
+        $self->{output}->option_exit();
+    }
+
+    $self->{ssid} = {};
+    my $snmp_result = $options{snmp}->get_table(oid => $oid_ruckusSCGAPName, nothing_quit => 1);
+    foreach my $oid (keys %{$snmp_result}) {
+        $oid =~ /^$oid_ruckusSCGAPName\.(.*)$/;
+        my $instance = $1;
+        if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
+            $snmp_result->{$oid} !~ /$self->{option_results}->{filter_name}/) {
+            $self->{output}->output_add(long_msg => "skipping '" . $snmp_result->{$oid} . "'.", debug => 1);
+            next;
+        }
+        
+        $self->{ssid}->{$instance} = { display => $snmp_result->{$oid} };
+    }
+    
+    $options{snmp}->load(oids => [ $mapping->{ruckusSCGWLANNumSta}->{oid},
+                                   $mapping->{ruckusSCGWLANRxBytes}->{oid},
+                                   $mapping->{ruckusSCGWLANTxBytes}->{oid} ],
+                         instances => [ keys %{$self->{ssid}} ],
+                         instance_regexp => '^(.*)$');
+    $snmp_result = $options{snmp}->get_leef(nothing_quit => 1);
+    
+    foreach (keys %{$self->{ssid}}) {
+        my $result = $options{snmp}->map_instance(mapping => $mapping, results => $snmp_result, instance => $_);        
+                
+        foreach my $name (keys %{$mapping}) {
+            $self->{ssid}->{$_}->{$name} = $result->{$name};
+        }
+    }
+
+    if (scalar(keys %{$self->{ssid}}) <= 0) {
+        $self->{output}->add_option_msg(short_msg => "No SSID found.");
+        $self->{output}->option_exit();
+    }
+
+    $self->{cache_name} = "ruckus_scg_" . $options{snmp}->get_hostname() . '_' . $options{snmp}->get_port() . '_' . $self->{mode} . '_' .
+        (defined($self->{option_results}->{filter_name}) ? md5_hex($self->{option_results}->{filter_name}) : md5_hex('all'));
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check SSID connected users and traffic.
+
+=over 8
+
+=item B<--filter-name>
+
+Filter by SSID name (can be a regexp).
+
+=item B<--warning-*>
+
+Threshold warning.
+Can be: 'users-count', 'traffic-in', 'traffic-out'.
+
+=item B<--critical-*>
+
+Threshold critical.
+Can be: 'users-count', 'traffic-in', 'traffic-out'.
+
+=back
+
+=cut
+    
diff --git a/network/ruckus/scg/snmp/mode/systemstats.pm b/network/ruckus/scg/snmp/mode/systemstats.pm
new file mode 100644
index 000000000..c062c5b92
--- /dev/null
+++ b/network/ruckus/scg/snmp/mode/systemstats.pm
@@ -0,0 +1,226 @@
+#
+# Copyright 2018 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package network::ruckus::scg::snmp::mode::systemstats;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+use Digest::MD5 qw(md5_hex);
+
+sub set_counters {
+    my ($self, %options) = @_;
+
+    $self->{maps_counters_type} = [
+        { name => 'global', type => 0 },
+    ];
+    
+    $self->{maps_counters}->{global} = [
+        { label => 'aps-count', set => {
+                key_values => [ { name => 'ruckusSystemStatsNumAP' } ],
+                output_template => 'APs count: %s',
+                perfdatas => [
+                    { label => 'aps_count', value => 'ruckusSystemStatsNumAP_absolute', template => '%s',
+                      unit => 'aps', min => 0 },
+                ],
+            }
+        },
+        { label => 'users-count', set => {
+                key_values => [ { name => 'ruckusSystemStatsNumSta' } ],
+                output_template => 'Users count: %s',
+                perfdatas => [
+                    { label => 'users_count', value => 'ruckusSystemStatsNumSta_absolute', template => '%s',
+                      unit => 'users', min => 0 },
+                ],
+            }
+        },
+        { label => 'total-traffic-in', set => {
+                key_values => [ { name => 'ruckusSystemStatsWLANTotalRxBytes', diff => 1 } ],
+                output_template => 'Total Traffic In: %s %s/s',
+                per_second => 1, output_change_bytes => 2,
+                perfdatas => [
+                    { label => 'total_traffic_in', value => 'ruckusSystemStatsWLANTotalRxBytes_absolute', template => '%s',
+                      min => 0, unit => 'b/s' },
+                ],
+            }
+        },
+        { label => 'total-traffic-out', set => {
+                key_values => [ { name => 'ruckusSystemStatsWLANTotalTxBytes', diff => 1 } ],
+                output_template => 'Total Traffic Out: %s %s/s',
+                per_second => 1, output_change_bytes => 2,
+                perfdatas => [
+                    { label => 'total_traffic_out', value => 'ruckusSystemStatsWLANTotalTxBytes_absolute', template => '%s',
+                      min => 0, unit => 'b/s' },
+                ],
+            }
+        },
+        { label => 'total-packets-in', set => {
+                key_values => [ { name => 'ruckusSystemStatsWLANTotalRxPkts', diff => 1 } ],
+                output_template => 'Total Packets In: %s packets/s',
+                per_second => 1,
+                perfdatas => [
+                    { label => 'total_packets_in', value => 'ruckusSystemStatsWLANTotalRxPkts_absolute', template => '%s',
+                      min => 0, unit => 'packets/s' },
+                ],
+            }
+        },
+        { label => 'total-mcast-packets-in', set => {
+                key_values => [ { name => 'ruckusSystemStatsWLANTotalRxMulticast', diff => 1 } ],
+                output_template => 'Total Multicast Packets In: %s packets/s',
+                per_second => 1,
+                perfdatas => [
+                    { label => 'total_mcast_packets_in', value => 'ruckusSystemStatsWLANTotalRxMulticast_absolute', template => '%s',
+                      min => 0, unit => 'packets/s' },
+                ],
+            }
+        },
+        { label => 'total-packets-out', set => {
+                key_values => [ { name => 'ruckusSystemStatsWLANTotalTxPkts', diff => 1 } ],
+                output_template => 'Total Packets Out: %s packets/s',
+                per_second => 1,
+                perfdatas => [
+                    { label => 'total_packets_out', value => 'ruckusSystemStatsWLANTotalTxPkts_absolute', template => '%s',
+                      min => 0, unit => 'packets/s' },
+                ],
+            }
+        },
+        { label => 'total-mcast-packets-out', set => {
+                key_values => [ { name => 'ruckusSystemStatsWLANTotalTxMulticast', diff => 1 } ],
+                output_template => 'Total Multicast Packets Out: %s packets/s',
+                per_second => 1,
+                perfdatas => [
+                    { label => 'total_mcast_packets_out', value => 'ruckusSystemStatsWLANTotalTxMulticast_absolute', template => '%s',
+                      min => 0, unit => 'packets/s' },
+                ],
+            }
+        },
+        { label => 'total-fail-packets-out', set => {
+                key_values => [ { name => 'ruckusSystemStatsWLANTotalTxFail', diff => 1 } ],
+                output_template => 'Total Fail Packets Out: %s packets/s',
+                per_second => 1,
+                perfdatas => [
+                    { label => 'total_fail_packets_out', value => 'ruckusSystemStatsWLANTotalTxFail_absolute', template => '%s',
+                      min => 0, unit => 'packets/s' },
+                ],
+            }
+        },
+        { label => 'total-retry-packets-out', set => {
+                key_values => [ { name => 'ruckusSystemStatsWLANTotalTxRetry', diff => 1 } ],
+                output_template => 'Total Retry Packets Out: %s packets/s',
+                per_second => 1,
+                perfdatas => [
+                    { label => 'total_retry_packets_out', value => 'ruckusSystemStatsWLANTotalTxRetry_absolute', template => '%s',
+                      min => 0, unit => 'packets/s' },
+                ],
+            }
+        },
+    ];
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1);
+    bless $self, $class;
+    
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+                                {
+                                });
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+}
+
+my $oid_ruckusSystemStatsNumAP = '.1.3.6.1.4.1.25053.1.3.1.1.1.15.1.0';
+my $oid_ruckusSystemStatsNumSta = '.1.3.6.1.4.1.25053.1.3.1.1.1.15.2.0';
+my $oid_ruckusSystemStatsWLANTotalRxPkts = '.1.3.6.1.4.1.25053.1.3.1.1.1.15.5.0';
+my $oid_ruckusSystemStatsWLANTotalRxBytes = '.1.3.6.1.4.1.25053.1.3.1.1.1.15.6.0';
+my $oid_ruckusSystemStatsWLANTotalRxMulticast = '.1.3.6.1.4.1.25053.1.3.1.1.1.15.7.0';
+my $oid_ruckusSystemStatsWLANTotalTxPkts = '.1.3.6.1.4.1.25053.1.3.1.1.1.15.8.0';
+my $oid_ruckusSystemStatsWLANTotalTxBytes = '.1.3.6.1.4.1.25053.1.3.1.1.1.15.9.0';
+my $oid_ruckusSystemStatsWLANTotalTxMulticast = '.1.3.6.1.4.1.25053.1.3.1.1.1.15.10.0';
+my $oid_ruckusSystemStatsWLANTotalTxFail = '.1.3.6.1.4.1.25053.1.3.1.1.1.15.11.0';
+my $oid_ruckusSystemStatsWLANTotalTxRetry = '.1.3.6.1.4.1.25053.1.3.1.1.1.15.12.0';
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    if ($options{snmp}->is_snmpv1()) {
+        $self->{output}->add_option_msg(short_msg => "Need to use SNMP v2c or v3.");
+        $self->{output}->option_exit();
+    }
+
+    my $result = $options{snmp}->get_leef(oids => [ $oid_ruckusSystemStatsNumAP, $oid_ruckusSystemStatsNumSta,
+                                                    $oid_ruckusSystemStatsWLANTotalRxPkts, $oid_ruckusSystemStatsWLANTotalRxBytes,
+                                                    $oid_ruckusSystemStatsWLANTotalRxMulticast, $oid_ruckusSystemStatsWLANTotalTxPkts,
+                                                    $oid_ruckusSystemStatsWLANTotalTxBytes, $oid_ruckusSystemStatsWLANTotalTxMulticast,
+                                                    $oid_ruckusSystemStatsWLANTotalTxFail, $oid_ruckusSystemStatsWLANTotalTxRetry ], 
+                                          nothing_quit => 1);
+
+    $self->{global} = {
+        ruckusSystemStatsNumAP => $result->{$oid_ruckusSystemStatsNumAP},
+        ruckusSystemStatsNumSta => $result->{$oid_ruckusSystemStatsNumSta},
+        ruckusSystemStatsWLANTotalRxPkts => $result->{$oid_ruckusSystemStatsWLANTotalRxPkts},
+        ruckusSystemStatsWLANTotalRxBytes => $result->{$oid_ruckusSystemStatsWLANTotalRxBytes},
+        ruckusSystemStatsWLANTotalRxMulticast => $result->{$oid_ruckusSystemStatsWLANTotalRxMulticast},
+        ruckusSystemStatsWLANTotalTxPkts => $result->{$oid_ruckusSystemStatsWLANTotalTxPkts},
+        ruckusSystemStatsWLANTotalTxBytes => $result->{$oid_ruckusSystemStatsWLANTotalTxBytes},
+        ruckusSystemStatsWLANTotalTxMulticast => $result->{$oid_ruckusSystemStatsWLANTotalTxMulticast},
+        ruckusSystemStatsWLANTotalTxFail => $result->{$oid_ruckusSystemStatsWLANTotalTxFail},
+        ruckusSystemStatsWLANTotalTxRetry => $result->{$oid_ruckusSystemStatsWLANTotalTxRetry},
+    };
+
+    $self->{cache_name} = "ruckus_scg_" . $options{snmp}->get_hostname() . '_' . $options{snmp}->get_port() . '_' . $self->{mode} . '_' .
+        (defined($self->{option_results}->{filter_name}) ? md5_hex($self->{option_results}->{filter_name}) : md5_hex('all'));
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check system statistics.
+
+=over 8
+
+=item B<--warning-*>
+
+Threshold warning.
+Can be: 'aps-count', 'users-count', 'total-traffic-in', 'total-traffic-out', 'total-packets-in',
+'total-mcast-packets-in', 'total-packets-out', 'total-mcast-packets-out', 'total-fail-packets-in',
+'total-retry-packets-out'.
+
+=item B<--critical-*>
+
+Threshold critical.
+Can be: 'aps-count', 'users-count', 'total-traffic-in', 'total-traffic-out', 'total-packets-in',
+'total-mcast-packets-in', 'total-packets-out', 'total-mcast-packets-out', 'total-fail-packets-in',
+'total-retry-packets-out'.
+
+=back
+
+=cut
+    
diff --git a/network/ruckus/scg/snmp/plugin.pm b/network/ruckus/scg/snmp/plugin.pm
new file mode 100644
index 000000000..e620b3665
--- /dev/null
+++ b/network/ruckus/scg/snmp/plugin.pm
@@ -0,0 +1,60 @@
+#
+# Copyright 2018 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package network::ruckus::scg::snmp::plugin;
+
+use strict;
+use warnings;
+use base qw(centreon::plugins::script_snmp);
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+
+    $self->{version} = '1.0';
+    %{$self->{modes}} = (
+                         'ap-status'        => 'network::ruckus::scg::snmp::mode::apstatus',
+                         'ap-usage'         => 'network::ruckus::scg::snmp::mode::apusage',
+                         'cpu'              => 'snmp_standard::mode::cpu',
+                         'cpu-detailed'     => 'snmp_standard::mode::cpudetailed',
+                         'interfaces'       => 'snmp_standard::mode::interfaces',
+                         'list-aps'         => 'network::ruckus::scg::snmp::mode::listaps',
+                         'list-interfaces'  => 'snmp_standard::mode::listinterfaces',
+                         'list-ssids'       => 'network::ruckus::scg::snmp::mode::listssids',
+                         'load'             => 'snmp_standard::mode::loadaverage',
+                         'memory'           => 'snmp_standard::mode::memory',
+                         'ssid-usage'       => 'network::ruckus::scg::snmp::mode::ssidusage',
+                         'system-stats'     => 'network::ruckus::scg::snmp::mode::systemstats',
+                         'uptime'           => 'snmp_standard::mode::uptime',
+                         );
+
+    return $self;
+}
+
+1;
+
+__END__
+
+=head1 PLUGIN DESCRIPTION
+
+Check Ruckus SmartCell Gateway (SCG) in SNMP.
+
+=cut