diff --git a/network/lenovo/flexsystem/snmp/mode/components/faultled.pm b/network/lenovo/flexsystem/snmp/mode/components/faultled.pm
new file mode 100644
index 000000000..b987d1162
--- /dev/null
+++ b/network/lenovo/flexsystem/snmp/mode/components/faultled.pm
@@ -0,0 +1,66 @@
+#
+# 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::lenovo::flexsystem::snmp::mode::components::faultled;
+
+use strict;
+use warnings;
+
+my %map_faultled_states = ( 1 => 'on', 2 => 'off' );
+
+sub load {}
+
+sub check_faultled {
+    my ($self, %options) = @_;
+
+    $self->{components}->{faultled}->{total}++;
+        
+    $self->{output}->output_add(long_msg => 
+        sprintf(
+            "Fault LED state is %s",
+             $options{value}
+        )
+    );
+    my $exit = $self->get_severity(section => 'faultled', value => $options{value});
+    if (!$self->{output}->is_status(value => $exit, compare => 'ok', litteral => 1)) {
+        $self->{output}->output_add(
+            severity => $exit,
+            short_msg => sprintf(
+                "Fault LED state is %s",
+                $options{value}
+            )
+        );
+    }
+}
+
+sub check {
+    my ($self) = @_;
+    
+    $self->{output}->output_add(long_msg => "Checking fault LED");
+    $self->{components}->{faultled} = { name => 'faultled', total => 0, skip => 0 };
+    return if ($self->check_filter(section => 'faultled'));
+
+    my $oid_mmspFaultLED = '.1.3.6.1.4.1.20301.2.5.1.3.10.12.0';
+    my $results = $self->{snmp}->get_leef(oids => [$oid_mmspFaultLED], nothing_quit => 1);
+
+    check_faultled($self, value => $map_faultled_states{$results->{$oid_mmspFaultLED}});
+}
+
+1;
diff --git a/network/lenovo/flexsystem/snmp/mode/components/temperature.pm b/network/lenovo/flexsystem/snmp/mode/components/temperature.pm
new file mode 100644
index 000000000..3fb804d38
--- /dev/null
+++ b/network/lenovo/flexsystem/snmp/mode/components/temperature.pm
@@ -0,0 +1,86 @@
+#
+# Copyright 2020 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package network::lenovo::flexsystem::snmp::mode::components::temperature;
+
+use strict;
+use warnings;
+
+sub load {}
+
+sub check {
+    my ($self) = @_;
+    
+    $self->{output}->output_add(long_msg => "Checking temperatures");
+    $self->{components}->{temperature} = { name => 'temperatures', total => 0, skip => 0 };
+    return if ($self->check_filter(section => 'temperature'));
+
+    my $oid_hwTemperatureWarn = '.1.3.6.1.4.1.20301.2.5.1.3.1.22.0';
+    my $oid_hwTemperatureShut = '.1.3.6.1.4.1.20301.2.5.1.3.1.23.0';
+    my $results = $self->{snmp}->get_leef(oids => [$oid_hwTemperatureWarn, $oid_hwTemperatureShut], nothing_quit => 1);
+
+    # .1.3.6.1.4.1.20301.2.5.1.3.1.41.1.1.20.1 = STRING: "44 C (Warning  at 66 C / Recover at 61 C)"
+    # .1.3.6.1.4.1.20301.2.5.1.3.1.41.1.1.21.1 = STRING: "44 C (Shutdown at 72 C / Recover at 67 C)"
+    $results->{$oid_hwTemperatureWarn} =~ /^([.0-9]+)\s*C\s*\(Warn(?:ing)?\s*at\s*([.0-9]+)\s*C/i;
+    my $temperature = $1;
+    my $warning = $2;
+    $results->{$oid_hwTemperatureShut} =~ /^([.0-9]+)\s*C\s*\(Shutdown\s*at\s*([.0-9]+)\s*C/i;
+    if ($1 > $temperature) {
+        $temperature = $1;
+    }
+    my $critical = ($warning + $2) / 2;
+
+    $self->{components}->{temperature}->{total}++;
+        
+    $self->{output}->output_add(long_msg => 
+        sprintf(
+            "Temperature is %.1f C",
+             $temperature
+        )
+    );
+
+    my $exit = 'OK';
+    if ($temperature >= $warning) {
+        $exit = 'WARNING';
+    }
+    if ($temperature >= $critical) {
+        $exit = 'CRITICAL';
+    }
+    if (!$self->{output}->is_status(value => $exit, compare => 'ok', litteral => 1)) {
+        $self->{output}->output_add(
+            severity => $exit,
+            short_msg => sprintf(
+                "Temperature is %.1f C",
+                $temperature
+            )
+        );
+    }
+
+    $self->{output}->perfdata_add(
+        label => 'temperature', unit => 'C',
+        nlabel => 'hardware.temperature.celsius',
+        instances => 'system',
+        value => $temperature,
+        warning => $warning,
+        critical => $critical
+    );
+}
+
+1;
diff --git a/network/lenovo/flexsystem/snmp/mode/cpu.pm b/network/lenovo/flexsystem/snmp/mode/cpu.pm
new file mode 100644
index 000000000..c17707bcb
--- /dev/null
+++ b/network/lenovo/flexsystem/snmp/mode/cpu.pm
@@ -0,0 +1,127 @@
+#
+# Copyright 2020 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package network::lenovo::flexsystem::snmp::mode::cpu;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+
+sub set_counters {
+    my ($self, %options) = @_;
+
+    $self->{maps_counters_type} = [
+        { name => 'cpu', type => 1, cb_prefix_output => 'prefix_message_output', message_multiple => 'All CPU usages are ok' },
+    ];
+
+    $self->{maps_counters}->{cpu} = [
+        { label => 'average', nlabel => 'cpu.utilization.percentage', set => {
+                key_values => [ { name => 'average' }, { name => 'display' } ],
+                output_template => '%.2f %%',
+                perfdatas => [
+                    { label => 'total_cpu_avg', value => 'average_absolute', template => '%.2f',
+                      min => 0, max => 100, unit => '%', label_extra_instance => 1, instance_use => 'display_absolute' },
+                ],
+            }
+        },
+    ];
+}
+
+sub prefix_message_output {
+    my ($self, %options) = @_;
+
+    return "Switch '" . $options{instance_value}->{display} . "' ";
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+
+    $options{options}->add_options(arguments => {
+        'filter:s' => { name => 'filter', default => '.*' }
+    });
+
+    return $self;
+}
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    my $oid_mpCpuSwitchNumberRev = '.1.3.6.1.4.1.20301.2.5.1.2.2.12.1.1.1';
+    my $oid_mpCpuStatsUtil1MinuteSwRev = '.1.3.6.1.4.1.20301.2.5.1.2.2.12.1.1.5';
+
+    my $result = $options{snmp}->get_table(oid => $oid_mpCpuSwitchNumberRev, nothing_quit => 1);
+    my @instance_oids = ();
+    foreach my $oid (keys %$result) {
+        if ($result->{$oid} =~ /$self->{option_results}->{filter}/i) {
+            push @instance_oids, $oid;
+        }
+    }
+
+    if (scalar(@instance_oids) == 0) {
+        $self->{output}->add_option_msg(short_msg => "Cannot find switch number '$self->{option_results}->{filter}'.");
+        $self->{output}->option_exit();
+    }
+
+    $options{snmp}->load(
+        oids => [$oid_mpCpuStatsUtil1MinuteSwRev],
+        instances => \@instance_oids,
+        instance_regexp => "^" . $oid_mpCpuSwitchNumberRev . '\.(.+)'
+    );
+    my $result2 = $options{snmp}->get_leef();
+
+    foreach my $instance (@instance_oids) {
+        $instance =~ /^$oid_mpCpuSwitchNumberRev\.(.+)/;
+        $instance = $1;
+        
+        $self->{cpu}->{$instance} = {
+            display => $result->{$oid_mpCpuSwitchNumberRev . '.' . $instance},
+            average => $result2->{$oid_mpCpuStatsUtil1MinuteSwRev . '.' . $instance},
+        };
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check CPU usage (over the last minute).
+
+=over 8
+
+=item B<--filter>
+
+Filter switch number (Default: '.*').
+
+=item B<--warning-average>
+
+Warning threshold average CPU utilization. 
+
+=item B<--critical-average>
+
+Critical  threshold average CPU utilization. 
+
+=back
+
+=cut
diff --git a/network/lenovo/flexsystem/snmp/mode/disk.pm b/network/lenovo/flexsystem/snmp/mode/disk.pm
new file mode 100644
index 000000000..16ec7a79b
--- /dev/null
+++ b/network/lenovo/flexsystem/snmp/mode/disk.pm
@@ -0,0 +1,104 @@
+#
+# Copyright 2020 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package network::lenovo::flexsystem::snmp::mode::disk;
+
+use base qw(snmp_standard::mode::storage);
+
+use strict;
+use warnings;
+
+sub default_storage_type {
+    my ($self, %options) = @_;
+    
+    return '^(?!(hrStorageRam)$)';
+}
+
+sub prefix_storage_output {
+    my ($self, %options) = @_;
+    
+    return "Disk '" . $options{instance_value}->{display} . "' ";
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+    
+    return $self;
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check disk.
+
+=over 8
+
+=item B<--warning-usage>
+
+Threshold warning.
+
+=item B<--critical-usage>
+
+Threshold critical.
+
+=item B<--units>
+
+Units of thresholds (Default: '%') ('%', 'B').
+
+=item B<--free>
+
+Thresholds are on free space left.
+
+=item B<--storage>
+
+Set the storage (number expected) ex: 1, 2,... (empty means 'check all storage').
+
+=item B<--name>
+
+Allows to use storage name with option --storage instead of storage oid index.
+
+=item B<--regexp>
+
+Allows to use regexp to filter storage (with option --name).
+
+=item B<--regexp-isensitive>
+
+Allows to use regexp non case-sensitive (with --regexp).
+
+=item B<--reload-cache-time>
+
+Time in minutes before reloading cache file (default: 180).
+
+=item B<--show-cache>
+
+Display cache storage datas.
+
+=item B<--filter-storage-type>
+
+Filter storage types with a regexp (Default: '^(?!(hrStorageRam)$)').
+
+=back
+
+=cut
diff --git a/network/lenovo/flexsystem/snmp/mode/environment.pm b/network/lenovo/flexsystem/snmp/mode/environment.pm
new file mode 100644
index 000000000..632d32a71
--- /dev/null
+++ b/network/lenovo/flexsystem/snmp/mode/environment.pm
@@ -0,0 +1,84 @@
+#
+# 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::lenovo::flexsystem::snmp::mode::environment;
+
+use base qw(centreon::plugins::templates::hardware);
+
+use strict;
+use warnings;
+
+sub set_system {
+    my ($self, %options) = @_;
+    
+    $self->{regexp_threshold_overload_check_section_option} = '^(faultled|temperature)$';
+
+    $self->{cb_hook2} = 'snmp_execute';
+    $self->{thresholds} = {
+        'faultled' => [
+            ['on', 'CRITICAL'],
+            ['off', 'OK'],
+        ],
+    };
+
+    $self->{components_path} = 'network::lenovo::flexsystem::snmp::mode::components';
+    $self->{components_module} = ['faultled', 'temperature'];
+}
+
+sub snmp_execute {
+    my ($self, %options) = @_;
+    
+    $self->{snmp} = $options{snmp};
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+    
+    $options{options}->add_options(arguments => { 
+    });
+
+    return $self;
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check hardware.
+
+=over 8
+
+=item B<--component>
+
+Which component to check (Default: '.*').
+Can be: 'faultled', 'temperature'.
+
+=item B<--no-component>
+
+Return an error if no compenents are checked.
+If total (with skipped) is 0. (Default: 'critical' returns).
+
+=back
+
+=cut
diff --git a/network/lenovo/flexsystem/snmp/mode/memory.pm b/network/lenovo/flexsystem/snmp/mode/memory.pm
new file mode 100644
index 000000000..232a2c98e
--- /dev/null
+++ b/network/lenovo/flexsystem/snmp/mode/memory.pm
@@ -0,0 +1,163 @@
+#
+# Copyright 2020 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package network::lenovo::flexsystem::snmp::mode::memory;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+
+sub custom_usage_output {
+    my ($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 => 'memory', type => 1, cb_prefix_output => 'prefix_message_output', message_multiple => 'All memory usages are ok' },
+    ];
+
+    $self->{maps_counters}->{memory} = [
+        { label => 'usage', nlabel => '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 => [
+                    { label => 'used', 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 => 'memory.free.bytes', set => {
+                key_values => [ { name => 'free' }, { name => 'used' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' } ],
+                closure_custom_output => $self->can('custom_usage_output'),
+                perfdatas => [
+                    { label => 'free', value => 'free_absolute', template => '%d', min => 0, max => 'total_absolute',
+                      unit => 'B', cast_int => 1, label_extra_instance => 1, instance_use => 'display_absolute' },
+                ],
+            }
+        },
+        { label => 'usage-prct', display_ok => 0, nlabel => 'memory.usage.percentage', set => {
+                key_values => [ { name => 'prct_used' } ],
+                output_template => 'Used : %.2f %%',
+                perfdatas => [
+                    { label => 'used_prct', value => 'prct_used_absolute', template => '%.2f', min => 0, max => 100,
+                      unit => '%', label_extra_instance => 1, instance_use => 'display_absolute' },
+                ],
+            }
+        },
+    ];
+}
+
+sub prefix_message_output {
+    my ($self, %options) = @_;
+
+    return "Switch '" . $options{instance_value}->{display} . "' ";
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+
+    $options{options}->add_options(arguments => {
+        'filter:s' => { name => 'filter', default => '.*' }
+    });
+
+    return $self;
+}
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    my $oid_switchNumber = '.1.3.6.1.4.1.20301.2.5.1.2.12.9.1.1.1';
+    my $oid_totalMemoryStatsRev = '.1.3.6.1.4.1.20301.2.5.1.2.12.9.1.1.3'; # in bytes
+    my $oid_memoryFreeStatsRev = '.1.3.6.1.4.1.20301.2.5.1.2.12.9.1.1.4'; # in bytes
+
+    my $result = $options{snmp}->get_table(oid => $oid_switchNumber, nothing_quit => 1);
+    my @instance_oids = ();
+    foreach my $oid (keys %$result) {
+        if ($result->{$oid} =~ /$self->{option_results}->{filter}/i) {
+            push @instance_oids, $oid;
+        }
+    }
+
+    if (scalar(@instance_oids) == 0) {
+        $self->{output}->add_option_msg(short_msg => "Cannot find switch number '$self->{option_results}->{filter}'.");
+        $self->{output}->option_exit();
+    }
+
+    $options{snmp}->load(
+        oids => [$oid_totalMemoryStatsRev, $oid_memoryFreeStatsRev],
+        instances => \@instance_oids,
+        instance_regexp => "^" . $oid_switchNumber . '\.(.+)'
+    );
+    my $result2 = $options{snmp}->get_leef();
+
+    foreach my $instance (@instance_oids) {
+        $instance =~ /^$oid_switchNumber\.(.+)/;
+        $instance = $1;
+
+        my $free = $result2->{$oid_memoryFreeStatsRev . '.' . $instance};
+        my $total = $result2->{$oid_totalMemoryStatsRev . '.' . $instance};
+        my $prct_used = ($total - $free) * 100 / $total;
+        $self->{memory}->{$instance} = {
+            display => $result->{$oid_switchNumber . '.' . $instance},
+            total => $total,
+            used => $total - $free,
+            free => $free,
+            prct_used => $prct_used,
+            prct_free => 100 - $prct_used,
+        };
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check memory usage.
+
+=over 8
+
+=item B<--filter>
+
+Filter switch number (Default: '.*').
+
+=item B<--warning-*> B<--critical-*>
+
+Thresholds.
+Can be: 'usage' (B), 'usage-free' (B), 'usage-prct' (%).
+
+=back
+
+=cut
diff --git a/network/lenovo/flexsystem/snmp/plugin.pm b/network/lenovo/flexsystem/snmp/plugin.pm
new file mode 100644
index 000000000..15dfa65b6
--- /dev/null
+++ b/network/lenovo/flexsystem/snmp/plugin.pm
@@ -0,0 +1,55 @@
+#
+# Copyright 2020 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package network::lenovo::flexsystem::snmp::plugin;
+
+use strict;
+use warnings;
+use base qw(centreon::plugins::script_snmp);
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+
+    $self->{version} = '1.0';
+    %{$self->{modes}} = (
+        'cpu'               => 'network::lenovo::flexsystem::snmp::mode::cpu',
+        'disk'              => 'network::lenovo::flexsystem::snmp::mode::disk',
+        'environment'       => 'network::lenovo::flexsystem::snmp::mode::environment',
+        'interfaces'        => 'snmp_standard::mode::interfaces',
+        'list-interfaces'   => 'snmp_standard::mode::listinterfaces',
+        'memory'            => 'network::lenovo::flexsystem::snmp::mode::memory',
+        'time'              => 'snmp_standard::mode::ntp',
+        'uptime'            => 'snmp_standard::mode::uptime',
+    );
+
+    return $self;
+}
+
+1;
+
+__END__
+
+=head1 PLUGIN DESCRIPTION
+
+Check Lenovo Flex System switches in SNMP.
+
+=cut