diff --git a/network/silverpeak/snmp/mode/alarms.pm b/network/silverpeak/snmp/mode/alarms.pm
new file mode 100644
index 000000000..525ded718
--- /dev/null
+++ b/network/silverpeak/snmp/mode/alarms.pm
@@ -0,0 +1,228 @@
+#
+# 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::silverpeak::snmp::mode::alarms;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+use POSIX;
+use centreon::plugins::misc;
+use centreon::plugins::statefile;
+
+
+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 = sprintf("alarm [severity: %s] [source: %s] [text: %s] %s", $self->{result_values}->{severity},
+        $self->{result_values}->{source}, $self->{result_values}->{text}, $self->{result_values}->{generation_time});
+    return $msg;
+}
+
+sub custom_status_calc {
+    my ($self, %options) = @_;
+    
+    $self->{result_values}->{source} = $options{new_datas}->{$self->{instance} . '_spsActiveAlarmSource'};
+    $self->{result_values}->{text} = $options{new_datas}->{$self->{instance} . '_spsActiveAlarmDescr'};
+    $self->{result_values}->{severity} = $options{new_datas}->{$self->{instance} . '_spsActiveAlarmSeverity'};
+    $self->{result_values}->{since} = $options{new_datas}->{$self->{instance} . '_since'};
+    $self->{result_values}->{generation_time} = $options{new_datas}->{$self->{instance} . '_spsActiveAlarmLogTime'};
+    return 0;
+}
+
+
+sub set_counters {
+    my ($self, %options) = @_;
+    
+    $self->{maps_counters_type} = [
+        { name => 'alarms', type => 2, message_multiple => '0 problem(s) detected', display_counter_problem => { label => 'alerts', min => 0 },
+          group => [ { name => 'alarm', skipped_code => { -11 => 1 } } ] 
+        }
+    ];
+    
+    $self->{maps_counters}->{alarm} = [
+        { label => 'status', threshold => 0, set => {
+                key_values => [ { name => 'spsActiveAlarmSource' }, { name => 'spsActiveAlarmDescr' }, { name => 'since' }, { name => 'spsActiveAlarmSeverity' }, { name => 'spsActiveAlarmLogTime' } ],
+                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 => $self->can('custom_status_threshold'),
+            }
+        },
+    ];
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+    
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+                                {
+                                  "filter-msg:s"        => { name => 'filter_msg' },
+                                  "warning-status:s"    => { name => 'warning_status', default => '%{severity} =~ /minor|warning/i' },
+                                  "critical-status:s"   => { name => 'critical_status', default => '%{severity} =~ /critical|major/i' },
+                                  "memory"              => { name => 'memory' },
+                                });
+    
+    centreon::plugins::misc::mymodule_load(output => $self->{output}, module => 'Date::Parse',
+                                           error_msg => "Cannot load module 'Date::Parse'.");
+    $self->{statefile_cache} = centreon::plugins::statefile->new(%options);
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    $instance_mode = $self;
+    $self->change_macros();
+    if (defined($self->{option_results}->{memory})) {
+        $self->{statefile_cache}->check_options(%options);
+    }
+}
+
+sub change_macros {
+    my ($self, %options) = @_;
+    
+    foreach (('warning_status', 'critical_status')) {
+        if (defined($self->{option_results}->{$_})) {
+            $self->{option_results}->{$_} =~ s/%\{(.*?)\}/\$self->{result_values}->{$1}/g;
+        }
+    }
+}
+
+my %map_severity = (0 => 'info', 1 => 'warning', 2 => 'minor', 3 => 'major',
+    4 => 'critical', 5 => 'cleared', 6 => 'acknowledged', 7 => 'unacknowledged', 8 => 'indeterminate');
+
+my $mapping = {
+    spsActiveAlarmSource        => { oid => '.1.3.6.1.4.1.23867.3.1.1.2.1.1.6' },
+    spsActiveAlarmDescr         => { oid => ' 1.3.6.1.4.1.23867.3.1.1.2.1.1.5' },
+    spsActiveAlarmLogTime       => { oid => '.1.3.6.1.4.1.23867.3.1.1.2.1.1.11' }, # timestamp
+    spsActiveAlarmSeverity      => { oid => '.1.3.6.1.4.1.23867.3.1.1.2.1.1.3', map => \%map_severity },
+};
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    $self->{alarms}->{global} = { alarm => {} };
+    my $snmp_result = $options{snmp}->get_multiple_table(oids => [
+            { oid => $mapping->{spsActiveAlarmSource}->{oid} },
+            { oid => $mapping->{spsActiveAlarmDescr}->{oid} },
+            { oid => $mapping->{spsActiveAlarmLogTime}->{oid} },
+            { oid => $mapping->{spsActiveAlarmSeverity}->{oid} },
+        ], return_type => 1);
+
+    my $last_time;
+    if (defined($self->{option_results}->{memory})) {
+        $self->{statefile_cache}->read(statefile => "cache_silverpeak_" . $options{snmp}->get_hostname()  . '_' . $options{snmp}->get_port(). '_' . $self->{mode});
+        $last_time = $self->{statefile_cache}->get(name => 'last_time');
+    }
+    
+    my ($i, $current_time) = (1, time());
+    foreach my $oid (keys %{$snmp_result}) {
+        next if ($oid !~ /^$mapping->{spsActiveAlarmSeverity}->{oid}\.(.*)$/);
+        my $instance = $1;
+        my $result = $options{snmp}->map_instance(mapping => $mapping, results => $snmp_result, instance => $instance);
+        
+	my $create_time = $result->{spsActiveAlarmLogTime};
+        if (!defined($create_time)) {
+            $self->{manager}->{output}->output_add(severity => 'UNKNOWN',
+                                                   short_msg => "Can't get date '" . $result->{spsActiveAlarmLogTime} . "'");
+            next;
+        }
+        
+        next if (defined($self->{option_results}->{memory}) && defined($last_time) && $last_time > $create_time);
+        if (defined($self->{option_results}->{filter_msg}) && $self->{option_results}->{filter_msg} ne '' &&
+            $result->{spsActiveAlarmDescr} !~ /$self->{option_results}->{filter_msg}/) {
+            $self->{output}->output_add(long_msg => "skipping '" . $result->{spsActiveAlarmDescr} . "': no matching filter.", debug => 1);
+            next;
+        }
+        
+        my $diff_time = $current_time - $create_time;
+        
+        $self->{alarms}->{global}->{alarm}->{$i} = { %$result, since => $diff_time };
+        $i++;
+    }
+    
+    if (defined($self->{option_results}->{memory})) {
+        $self->{statefile_cache}->write(data => { last_time => $current_time });
+    }
+}
+        
+1;
+
+__END__
+
+=head1 MODE
+
+Check alarms.
+
+=over 8
+
+=item B<--filter-msg>
+
+Filter by message (can be a regexp).
+
+=item B<--warning-status>
+
+Set warning threshold for status (Default: '%{severity} =~ /minor|warning/i')
+Can used special variables like: %{severity}, %{text}, %{source}, %{since}
+
+=item B<--critical-status>
+
+Set critical threshold for status (Default: '%{severity} =~ /critical|major/i').
+Can used special variables like: %{severity}, %{text}, %{source}, %{since}
+
+=item B<--memory>
+
+Only check new alarms.
+
+=back
+
+=cut
diff --git a/network/silverpeak/snmp/mode/status.pm b/network/silverpeak/snmp/mode/status.pm
new file mode 100644
index 000000000..1dfe34d7f
--- /dev/null
+++ b/network/silverpeak/snmp/mode/status.pm
@@ -0,0 +1,148 @@
+#
+# 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::silverpeak::snmp::mode::status;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+
+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 = "Operational state: '" . $self->{result_values}->{operStatus} . "' ";
+    return $msg;
+}
+
+sub custom_status_calc {
+    my ($self, %options) = @_;
+    $self->{result_values}->{operStatus} = $options{new_datas}->{$self->{instance} . '_operStatus'};
+    return 0;
+}
+
+sub set_counters {
+    my ($self, %options) = @_;
+
+    $self->{maps_counters_type} = [
+        { name => 'operationnal_state', type => 0 },
+    ];
+    $self->{maps_counters}->{operationnal_state} = [
+        { label => 'status', threshold => 0,  set => {
+                key_values => [ { name => 'operStatus' } ],
+                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 => $self->can('custom_status_threshold'),
+            }
+        },
+    ];
+}
+
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+                                {
+                                "warning-status:s"      => { name => 'warning_status', default => '' },
+                                "critical-status:s"     => { name => 'critical_status', default => '%{operStatus} !~ /(Normal)/' },
+                                });
+
+    return $self;
+}
+
+sub change_macros {
+    my ($self, %options) = @_;
+
+    foreach ('warning_status', 'critical_status') {
+        if (defined($self->{option_results}->{$_})) {
+            $self->{option_results}->{$_} =~ s/%\{(.*?)\}/\$self->{result_values}->{$1}/g;
+        }
+    }
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    $instance_mode = $self;
+    $self->change_macros();
+}
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    $self->{operationnal_state} = {};
+
+    my $oid_spsOperStatus = '.1.3.6.1.4.1.23867.3.1.1.1.3.0';
+
+    my $result = $options{snmp}->get_leef(oids => [ $oid_spsOperStatus ],
+                                          nothing_quit => 1);
+
+    $self->{operationnal_state} = { operStatus => $result->{$oid_spsOperStatus}};
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check operational state of the Silverpeak appliance.
+
+=item B<--warning-status>
+
+Trigger warning on %{operStatus} values
+
+=item B<--critical-status>
+
+Trigger critical on %{operStatus} values
+(default: '%{operStatus} !~ /(Normal)/')
+
+=back
+
+=cut
diff --git a/network/silverpeak/snmp/mode/uptime.pm b/network/silverpeak/snmp/mode/uptime.pm
new file mode 100644
index 000000000..72a28f5ee
--- /dev/null
+++ b/network/silverpeak/snmp/mode/uptime.pm
@@ -0,0 +1,160 @@
+#
+# 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::silverpeak::snmp::mode::uptime;
+
+use base qw(centreon::plugins::mode);
+
+use strict;
+use warnings;
+use POSIX;
+use centreon::plugins::misc;
+use centreon::plugins::statefile;
+use Time::HiRes qw(time);
+
+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 =>
+                                { 
+                                  "warning:s"       => { name => 'warning' },
+                                  "critical:s"      => { name => 'critical' },
+                                  "force-oid:s"     => { name => 'force_oid' },
+                                  "check-overload"  => { name => 'check_overload' },
+                                });
+    
+    $self->{statefile_cache} = centreon::plugins::statefile->new(%options);
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::init(%options);
+
+    if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
+       $self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
+       $self->{output}->option_exit();
+    }
+    if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
+       $self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
+       $self->{output}->option_exit();
+    }
+    
+    $self->{statefile_cache}->check_options(%options);
+}
+
+sub check_overload {
+    my ($self, %options) = @_;
+    
+    return $options{timeticks} if (!defined($self->{option_results}->{check_overload}));
+    
+    my $current_time = floor(time() * 100);
+    $self->{new_datas} = { last_time => $current_time, uptime => $options{timeticks}, overload => 0 };
+    $self->{statefile_cache}->read(statefile => "cache_" . $self->{snmp}->get_hostname()  . '_' . $self->{snmp}->get_port() . '_' . $self->{mode});
+    my $old_uptime = $self->{statefile_cache}->get(name => 'uptime');
+    my $last_time = $self->{statefile_cache}->get(name => 'last_time');
+    my $overload = $self->{statefile_cache}->get(name => 'overload');
+    
+    if (defined($old_uptime) && $old_uptime < $current_time) {
+        my $diff_time = $current_time - $last_time;
+        my $overflow = ($old_uptime + $diff_time) % 4294967296;
+        my $division = ($old_uptime + $diff_time) / 4294967296;
+        if ($division >= 1 && 
+            $overflow >= ($options{timeticks} - 5000) &&
+            $overflow <= ($options{timeticks} + 5000)) {
+            $overload++;
+        }
+        
+        $options{timeticks} += ($overload * 4294967296);
+    }
+    $self->{new_datas}->{overload} = $overload if (defined($overload));
+    
+    $self->{statefile_cache}->write(data => $self->{new_datas});
+    return $options{timeticks};
+}
+
+sub run {
+    my ($self, %options) = @_;
+    $self->{snmp} = $options{snmp};
+    
+    # spsSystemUptime from  SILVERPEAK-MGMT-MIB 8.0
+    my $oid_hrSystemUptime = '.1.3.6.1.4.1.23867.3.1.1.1.5.0';
+    my ($result, $value);
+    
+    if (defined($self->{option_results}->{force_oid})) {
+        $result = $self->{snmp}->get_leef(oids => [ $self->{option_results}->{force_oid} ], nothing_quit => 1);
+        $value = $result->{$self->{option_results}->{force_oid}};
+    } else {
+        $result = $self->{snmp}->get_leef(oids => [ $oid_hrSystemUptime ], nothing_quit => 1);
+        $value = $result->{$oid_hrSystemUptime};
+    }
+    
+    $value = $self->check_overload(timeticks => $value);
+    $value = floor($value / 100);
+    
+    my $exit_code = $self->{perfdata}->threshold_check(value => $value, 
+                              threshold => [ { label => 'critical', exit_litteral => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);    
+    $self->{output}->perfdata_add(label => 'uptime', unit => 's',
+                                  value => $value,
+                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
+                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
+                                  min => 0);
+
+    $self->{output}->output_add(severity => $exit_code,
+                                short_msg => sprintf("System uptime is: %s",
+                                                     centreon::plugins::misc::change_seconds(value => $value, start => 'd')));
+
+    $self->{output}->display();
+    $self->{output}->exit();
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check system uptime.
+
+=over 8
+
+=item B<--warning>
+
+Threshold warning in seconds.
+
+=item B<--critical>
+
+Threshold critical in seconds.
+
+=item B<--force-oid>
+
+Can choose your oid (numeric format only).
+
+=item B<--check-overload>
+
+Uptime counter limit is 4294967296 and overflow.
+With that option, we manage the counter going back. But there is a few chance we can miss a reboot.
+
+=back
+
+=cut
diff --git a/network/silverpeak/snmp/plugin.pm b/network/silverpeak/snmp/plugin.pm
new file mode 100644
index 000000000..e030c5fb7
--- /dev/null
+++ b/network/silverpeak/snmp/plugin.pm
@@ -0,0 +1,52 @@
+#
+# Copyright 2018 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package network::silverpeak::snmp::plugin;
+
+use strict;
+use warnings;
+use base qw(centreon::plugins::script_snmp);
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+
+    $self->{version} = '1.0';
+    %{$self->{modes}} = (
+                         'interfaces'           => 'snmp_standard::mode::interfaces', 
+                         'list-interfaces'      => 'snmp_standard::mode::listinterfaces',
+                         'uptime'               => 'network::silverpeak::snmp::mode::uptime',
+                         'status'               => 'network::silverpeak::snmp::mode::status',
+                         'alarms'               => 'network::silverpeak::snmp::mode::alarms',
+                         );
+
+    return $self;
+}
+
+1;
+
+__END__
+
+=head1 PLUGIN DESCRIPTION
+
+Check Silverpeak SD-WAN in SNMP.
+
+=cut