diff --git a/centreon-plugins/cloud/azure/network/vpngateway/mode/sitetraffic.pm b/centreon-plugins/cloud/azure/network/vpngateway/mode/sitetraffic.pm
new file mode 100644
index 000000000..21390865e
--- /dev/null
+++ b/centreon-plugins/cloud/azure/network/vpngateway/mode/sitetraffic.pm
@@ -0,0 +1,283 @@
+#
+# Copyright 2019 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 cloud::azure::network::vpngateway::mode::sitetraffic;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+
+my $instance_mode;
+
+sub prefix_metric_output {
+    my ($self, %options) = @_;
+    
+    return "VPN Gateway '" . $options{instance_value}->{display} . "' " . $options{instance_value}->{stat} . " ";
+}
+
+sub custom_metric_calc {
+    my ($self, %options) = @_;
+    
+    $self->{result_values}->{stat} = $options{new_datas}->{$self->{instance} . '_stat'};
+    $self->{result_values}->{metric_perf} = lc($options{extra_options}->{metric_perf});
+    $self->{result_values}->{metric_label} = lc($options{extra_options}->{metric_label});
+    $self->{result_values}->{metric_name} = $options{new_datas}->{$self->{instance} . '_' . $self->{result_values}->{metric_perf} . '_' . $self->{result_values}->{stat} . '_name'};
+    $self->{result_values}->{timeframe} = $options{new_datas}->{$self->{instance} . '_timeframe'};
+    $self->{result_values}->{value} = $options{new_datas}->{$self->{instance} . '_' . $self->{result_values}->{metric_perf} . '_' . $self->{result_values}->{stat}};
+    $self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
+    return 0;
+}
+
+sub custom_metric_threshold {
+    my ($self, %options) = @_;
+
+    my $exit = $self->{perfdata}->threshold_check(value => $self->{result_values}->{value},
+                                                  threshold => [ { label => 'critical-' . $self->{result_values}->{metric_label} . "-" . $self->{result_values}->{stat}, exit_litteral => 'critical' },
+                                                                 { label => 'warning-' . $self->{result_values}->{metric_label} . "-" . $self->{result_values}->{stat}, exit_litteral => 'warning' } ]);
+    return $exit;
+}
+
+sub custom_traffic_perfdata {
+    my ($self, %options) = @_;
+
+    my $extra_label = '';
+    $extra_label = '_' . lc($self->{result_values}->{display}) if (!defined($options{extra_instance}) || $options{extra_instance} != 0);
+
+    $self->{output}->perfdata_add(label => $self->{result_values}->{metric_perf} . "_" . $self->{result_values}->{stat} . $extra_label,
+				                  unit => 'B/s',
+                                  value => sprintf("%.2f", $self->{result_values}->{value}),
+                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $self->{result_values}->{metric_label} . "-" . $self->{result_values}->{stat}),
+                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{result_values}->{metric_label} . "-" . $self->{result_values}->{stat}),
+                                  min => 0
+                                 );
+}
+
+sub custom_traffic_output {
+    my ($self, %options) = @_;
+
+    my ($value, $unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{value});
+    my $msg = $self->{result_values}->{metric_name}  . ": " . $value . $unit . "/s";
+    return $msg;
+}
+
+sub set_counters {
+    my ($self, %options) = @_;
+    
+    $self->{maps_counters_type} = [
+        { name => 'metric', type => 1, cb_prefix_output => 'prefix_metric_output', message_multiple => "All traffic metrics are ok", skipped_code => { -10 => 1 } },
+    ];
+
+    foreach my $aggregation ('average') {
+        foreach my $metric ('AverageBandwidth', 'P2SBandwidth') {
+            my $metric_perf = lc($metric);
+            my $metric_label = lc($metric);
+            $metric_perf =~ s/ /_/g;
+            $metric_label =~ s/ /-/g;
+            my $entry = { label => $metric_label . '-' . $aggregation, set => {
+                                key_values => [ { name => $metric_perf . '_' . $aggregation }, { name => 'display' },
+                                    { name => 'stat' }, { name => $metric_perf . '_' . $aggregation . '_name' }, { name => 'timeframe' } ],
+                                closure_custom_calc => $self->can('custom_metric_calc'),
+                                closure_custom_calc_extra_options => { metric_perf => $metric_perf,
+                                    metric_label => $metric_label },
+                                closure_custom_output => $self->can('custom_traffic_output'),
+                                closure_custom_perfdata => $self->can('custom_traffic_perfdata'),
+                                closure_custom_threshold_check => $self->can('custom_metric_threshold'),
+                            }
+                        };
+            push @{$self->{maps_counters}->{metric}}, $entry;
+        }
+    }
+    foreach my $aggregation ('maximum') {
+        foreach my $metric ('P2SConnectionCount') {
+            my $metric_perf = lc($metric);
+            my $metric_label = lc($metric);
+            $metric_perf =~ s/ /_/g;
+            $metric_label =~ s/ /-/g;
+            my $entry = { label => $metric_label . '-' . $aggregation, set => {
+                                key_values => [ { name => $metric_perf . '_' . $aggregation }, { name => 'display' },
+                                    { name => $metric_perf . '_' . $aggregation . '_name' }, { name => 'stat' } ],
+                                output_template => 'P2S Connection Count: %d',
+                                perfdatas => [
+                                    { label => $metric_perf . '_' . $aggregation, value => $metric_perf . '_' . $aggregation . '_absolute', 
+                                      template => '%d', label_extra_instance => 1, instance_use => 'display_absolute',
+                                      min => 0 },
+                                ],
+                            }
+                        };
+            push @{$self->{maps_counters}->{metric}}, $entry;
+        }
+    }
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+    
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+                                {
+                                    "resource:s@"           => { name => 'resource' },
+                                    "resource-group:s"      => { name => 'resource_group' },
+                                    "filter-metric:s"       => { name => 'filter_metric' },
+                                });
+    
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    if (!defined($self->{option_results}->{resource})) {
+        $self->{output}->add_option_msg(short_msg => "Need to specify either --resource <name> with --resource-group option or --resource <id>.");
+        $self->{output}->option_exit();
+    }
+    
+    $self->{az_resource} = $self->{option_results}->{resource};
+    $self->{az_resource_group} = $self->{option_results}->{resource_group} if (defined($self->{option_results}->{resource_group}));
+    $self->{az_resource_type} = 'virtualNetworkGateways';
+    $self->{az_resource_namespace} = 'Microsoft.Network';
+    $self->{az_timeframe} = defined($self->{option_results}->{timeframe}) ? $self->{option_results}->{timeframe} : 900;
+    $self->{az_interval} = defined($self->{option_results}->{interval}) ? $self->{option_results}->{interval} : "PT5M";
+    $self->{az_aggregations} = ['Average', 'Maximum'];
+    if (defined($self->{option_results}->{aggregation})) {
+        $self->{az_aggregations} = [];
+        foreach my $stat (@{$self->{option_results}->{aggregation}}) {
+            if ($stat ne '') {
+                push @{$self->{az_aggregations}}, ucfirst(lc($stat));
+            }
+        }
+    }
+
+    foreach my $metric ('AverageBandwidth', 'P2SBandwidth', 'P2SConnectionCount') {
+        next if (defined($self->{option_results}->{filter_metric}) && $self->{option_results}->{filter_metric} ne ''
+            && $metric !~ /$self->{option_results}->{filter_metric}/);
+
+        push @{$self->{az_metrics}}, $metric;
+    }
+
+    $instance_mode = $self;
+}
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    my %metric_results;
+    foreach my $resource (@{$self->{az_resource}}) {
+        my $resource_group = $self->{az_resource_group};
+        my $resource_name = $resource;
+        if ($resource =~ /^\/subscriptions\/.*\/resourceGroups\/(.*)\/providers\/Microsoft\.Network\/virtualNetworkGateways\/(.*)$/) {
+            $resource_group = $1;
+            $resource_name = $2;
+        }
+
+        ($metric_results{$resource_name}, undef) = $options{custom}->azure_get_metrics(
+            resource => $resource_name,
+            resource_group => $resource_group,
+            resource_type => $self->{az_resource_type},
+            resource_namespace => $self->{az_resource_namespace},
+            metrics => $self->{az_metrics},
+            aggregations => $self->{az_aggregations},
+            timeframe => $self->{az_timeframe},
+            interval => $self->{az_interval},
+        );
+        
+        foreach my $metric (@{$self->{az_metrics}}) {
+            my $metric_name = lc($metric);
+            $metric_name =~ s/ /_/g;
+            foreach my $aggregation (@{$self->{az_aggregations}}) {
+                next if (!defined($metric_results{$resource_name}->{$metric_name}->{lc($aggregation)}) && !defined($self->{option_results}->{zeroed}));
+
+                $self->{metric}->{$resource_name . "_" . lc($aggregation)}->{display} = $resource_name;
+                $self->{metric}->{$resource_name . "_" . lc($aggregation)}->{timeframe} = $self->{az_timeframe};
+                $self->{metric}->{$resource_name . "_" . lc($aggregation)}->{stat} = lc($aggregation);
+                $self->{metric}->{$resource_name . "_" . lc($aggregation)}->{$metric_name . "_" . lc($aggregation) . '_name'} = $metric_results{$resource_name}->{$metric_name}->{name};
+                $self->{metric}->{$resource_name . "_" . lc($aggregation)}->{$metric_name . "_" . lc($aggregation)} = defined($metric_results{$resource_name}->{$metric_name}->{lc($aggregation)}) ? $metric_results{$resource_name}->{$metric_name}->{lc($aggregation)} : 0;
+            }
+        }
+    }
+
+    if (scalar(keys %{$self->{metric}}) <= 0) {
+        $self->{output}->add_option_msg(short_msg => 'No metrics. Check your options or use --zeroed option to set 0 on undefined values');
+        $self->{output}->option_exit();
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check VPN gateway tunnels traffic metrics.
+
+Example:
+
+Using resource name :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::vpngateway::plugin --custommode=azcli --mode=tunnel-traffic
+--resource=MyResource --resource-group=MYRGROUP --aggregation='total' --critical-tunnelingressbytes-total='10'
+--verbose
+
+Using resource id :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::vpngateway::plugin --custommode=azcli --mode=tunnel-traffic
+--resource='/subscriptions/xxx/resourceGroups/xxx/providers/Microsoft.Network/virtualNetworkGateways/xxx'
+--aggregation='total' --critical-tunnelingressbytes-total='10' --verbose
+
+Default aggregation: 'total' / All aggregations are valid.
+
+=over 8
+
+=item B<--resource>
+
+Set resource name or id (Required).
+
+=item B<--resource-group>
+
+Set resource group (Required if resource's name is used).
+
+=item B<--filter-metric>
+
+Filter metrics (Can be: 'TunnelIngressBytes', 'TunnelEgressBytes', 'TunnelIngressPackets',
+'TunnelEgressPackets', 'TunnelIngressPacketDropTSMismatch', 'TunnelEgressPacketDropTSMismatch')
+(Can be a regexp).
+
+=item B<--warning-$metric$-$aggregation$>
+
+Thresholds warning ($metric$ can be: 'tunnelingressbytes', 'tunnelegressbytes',
+'tunnelingresspackets', 'tunnelegresspackets', 'tunnelingresspacketdroptsmismatch',
+'tunnelegresspacketdroptsmismatch', $aggregation$ can be: 'total', 'minimum', 'maximum', 'average').
+
+=item B<--critical-$metric$-$aggregation$>
+
+Thresholds critical ($metric$ can be: 'tunnelingressbytes', 'tunnelegressbytes',
+'tunnelingresspackets', 'tunnelegresspackets', 'tunnelingresspacketdroptsmismatch',
+'tunnelegresspacketdroptsmismatch', $aggregation$ can be: 'total', 'minimum', 'maximum', 'average').
+
+=item B<--per-sec>
+
+Change the data to be unit/sec.
+
+=back
+
+=cut
diff --git a/centreon-plugins/cloud/azure/network/vpngateway/mode/tunneltraffic.pm b/centreon-plugins/cloud/azure/network/vpngateway/mode/tunneltraffic.pm
index 480e41106..954a44861 100644
--- a/centreon-plugins/cloud/azure/network/vpngateway/mode/tunneltraffic.pm
+++ b/centreon-plugins/cloud/azure/network/vpngateway/mode/tunneltraffic.pm
@@ -139,7 +139,7 @@ sub set_counters {
                         };
             push @{$self->{maps_counters}->{metric}}, $entry;
         }
-        foreach my $metric ('TunnelIngressPackets', 'TunnelEgressPackets') {
+        foreach my $metric ('TunnelIngressPackets', 'TunnelEgressPackets', 'TunnelIngressPacketDropTSMismatch', 'TunnelEgressPacketDropTSMismatch') {
             my $metric_perf = lc($metric);
             my $metric_label = lc($metric);
             $metric_perf =~ s/ /_/g;
@@ -202,7 +202,8 @@ sub check_options {
         }
     }
 
-    foreach my $metric ('TunnelIngressBytes', 'TunnelEgressBytes', 'TunnelIngressPackets', 'TunnelEgressPackets') {
+    foreach my $metric ('TunnelIngressBytes', 'TunnelEgressBytes', 'TunnelIngressPackets', 'TunnelEgressPackets',
+        'TunnelIngressPacketDropTSMismatch', 'TunnelEgressPacketDropTSMismatch') {
         next if (defined($self->{option_results}->{filter_metric}) && $self->{option_results}->{filter_metric} ne ''
             && $metric !~ /$self->{option_results}->{filter_metric}/);
 
@@ -293,19 +294,20 @@ Set resource group (Required if resource's name is used).
 =item B<--filter-metric>
 
 Filter metrics (Can be: 'TunnelIngressBytes', 'TunnelEgressBytes', 'TunnelIngressPackets',
-'TunnelEgressPackets') (Can be a regexp).
+'TunnelEgressPackets', 'TunnelIngressPacketDropTSMismatch', 'TunnelEgressPacketDropTSMismatch')
+(Can be a regexp).
 
 =item B<--warning-$metric$-$aggregation$>
 
 Thresholds warning ($metric$ can be: 'tunnelingressbytes', 'tunnelegressbytes',
-'tunnelingresspackets', 'tunnelegresspackets', $aggregation$ can be: 'total',
-'minimum', 'maximum', 'average').
+'tunnelingresspackets', 'tunnelegresspackets', 'tunnelingresspacketdroptsmismatch',
+'tunnelegresspacketdroptsmismatch', $aggregation$ can be: 'total', 'minimum', 'maximum', 'average').
 
 =item B<--critical-$metric$-$aggregation$>
 
 Thresholds critical ($metric$ can be: 'tunnelingressbytes', 'tunnelegressbytes',
-'tunnelingresspackets', 'tunnelegresspackets', $aggregation$ can be: 'total',
-'minimum', 'maximum', 'average').
+'tunnelingresspackets', 'tunnelegresspackets', 'tunnelingresspacketdroptsmismatch',
+'tunnelegresspacketdroptsmismatch', $aggregation$ can be: 'total', 'minimum', 'maximum', 'average').
 
 =item B<--per-sec>
 
diff --git a/centreon-plugins/cloud/azure/network/vpngateway/plugin.pm b/centreon-plugins/cloud/azure/network/vpngateway/plugin.pm
index 34cf9e737..bad6e1082 100644
--- a/centreon-plugins/cloud/azure/network/vpngateway/plugin.pm
+++ b/centreon-plugins/cloud/azure/network/vpngateway/plugin.pm
@@ -31,8 +31,9 @@ sub new {
 
     $self->{version} = '0.1';
     %{ $self->{modes} } = (
-        'vpn-gateway-status'        => 'cloud::azure::network::vpngateway::mode::vpngatewaystatus',
+        'site-traffic'              => 'cloud::azure::network::vpngateway::mode::sitetraffic',
         'tunnel-traffic'            => 'cloud::azure::network::vpngateway::mode::tunneltraffic',
+        'vpn-gateway-status'        => 'cloud::azure::network::vpngateway::mode::vpngatewaystatus',
     );
 
     $self->{custom_modes}{azcli} = 'cloud::azure::custom::azcli';