diff --git a/network/cisco/vcs/restapi/mode/alerts.pm b/network/cisco/vcs/restapi/mode/alerts.pm
new file mode 100644
index 000000000..66aac0854
--- /dev/null
+++ b/network/cisco/vcs/restapi/mode/alerts.pm
@@ -0,0 +1,135 @@
+#
+# 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::cisco::vcs::restapi::mode::alerts;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+
+sub prefix_output_global {
+    my ($self, %options) = @_;
+
+    return 'Alerts ';
+}
+
+sub set_counters {
+    my ($self, %options) = @_;
+
+    $self->{maps_counters_type} = [
+        { name => 'global', type => 0, cb_prefix_output => 'prefix_output_global' }
+    ];
+
+    $self->{maps_counters}->{global} = [
+        { label => 'total', nlabel => 'alerts.total.count', set => {
+                key_values => [ { name => 'total' } ],
+                output_template => 'total: %d',
+                perfdatas => [
+                    { template => '%d', min => 0 }
+                ]
+            }
+        },
+        { label => 'acknowledged', nlabel => 'alerts.acknowledged.current.count', set => {
+                key_values => [ { name => 'acknowledged' }, { name => 'total' } ],
+                output_template => 'acknowledged: %d',
+                perfdatas => [
+                    { template => '%d', min => 0, max => 'total' }
+                ]
+            }
+        },
+        { label => 'unacknowledged', nlabel => 'alerts.unacknowledged.current.count', set => {
+                key_values => [ { name => 'unacknowledged' }, { name => 'total' } ],
+                output_template => 'unacknowledged: %d',
+                perfdatas => [
+                    { template => '%d', min => 0, max => 'total' }
+                ]
+            }
+        }
+    ];
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
+    bless $self, $class;
+
+    $options{options}->add_options(arguments => {
+        'filter-reason:s' => { name => 'filter_reason' },
+        'display-alerts'  => { name => 'display_alerts' }
+    });
+
+    return $self;
+}
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    my $results = $options{custom}->get_endpoint(
+        endpoint => '/getxml?location=/Status/Warnings',
+        force_array => ['Warning']
+    );
+
+    $self->{global} = { total => 0, acknowledged => 0, unacknowledged => 0 };
+    foreach my $alert (@{$results->{Warnings}->{Warning}}) {
+        next if (defined($self->{option_results}->{filter_reason}) && $self->{option_results}->{filter_reason} ne '' 
+            && $alert->{Reason}->{content} !~ /$self->{option_results}->{filter_reason}/);
+
+        $self->{global}->{ lc($alert->{State}->{content}) }++;
+        $self->{global}->{total}++;
+        if (defined($self->{option_results}->{display_alerts})) {
+            $self->{output}->output_add(
+                long_msg => sprintf(
+                    'alert [id: %s] [state: %s]: %s',
+                    $alert->{ID}->{content},
+                    lc($alert->{State}->{content}),
+                    $alert->{Reason}->{content}
+                )
+            );
+        }
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check alerts.
+
+=over 8
+
+=item B<--filter-reason>
+
+Filter alerts by reason (Can use regexp).
+
+=item B<--display-alerts
+
+Display alerts in verbose output.
+
+=item B<--warning-*> B<--critical-*> 
+
+Thresholds.
+Can be: 'total', 'acknowledged', 'unacknowledged'.
+
+=back
+
+=cut
diff --git a/network/cisco/vcs/restapi/plugin.pm b/network/cisco/vcs/restapi/plugin.pm
index 0db336550..1129d15a0 100644
--- a/network/cisco/vcs/restapi/plugin.pm
+++ b/network/cisco/vcs/restapi/plugin.pm
@@ -31,6 +31,7 @@ sub new {
 
     $self->{version} = '1.0';
     $self->{modes} = {
+        'alerts'           => 'network::cisco::vcs::restapi::mode::alerts',
         'calls'            => 'network::cisco::vcs::restapi::mode::calls',
         'http-proxy-stats' => 'network::cisco::vcs::restapi::mode::httpproxystats',
         'zones'            => 'network::cisco::vcs::restapi::mode::zones'