diff --git a/network/3com/snmp/mode/cpu.pm b/network/3com/snmp/mode/cpu.pm
new file mode 100644
index 000000000..8804ac90b
--- /dev/null
+++ b/network/3com/snmp/mode/cpu.pm
@@ -0,0 +1,229 @@
+#
+# Copyright 2015 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::3com::snmp::mode::cpu;
+
+use base qw(centreon::plugins::mode);
+
+use strict;
+use warnings;
+use centreon::plugins::values;
+
+my $instance_mode;
+
+my $maps_counters = {
+    cpu => {
+        '000_5s'   => {
+            set => {
+                key_values => [ { name => 'display' }, { name => 'usage_5s' } ],
+                output_template => '%s %% (5sec)', output_error_template => "%s (5sec)",
+                perfdatas => [
+                    { label => 'cpu_5s', value => 'usage_5s_absolute', template => '%d',
+                      unit => '%', min => 0, max => 100 },
+                ],
+            },
+        },
+        '001_1m'   => {
+            set => {
+                key_values => [ { name => 'display' }, { name => 'usage_1m' } ],
+                output_template => '%s %% (1m)', output_error_template => "%s (1min)",
+                perfdatas => [
+                    { label => 'cpu_1m', value => 'usage_1m_absolute', template => '%d',
+                      unit => '%', min => 0, max => 100 },
+                ],
+            },
+        },
+        '002_5m'   => {
+            set => {
+                key_values => [ { name => 'display' }, { name => 'usage_5m' } ],
+                output_template => '%s %% (5min)', output_error_template => "%s (5min)",
+                perfdatas => [
+                    { label => 'cpu_5m', value => 'usage_5m_absolute', template => '%d',
+                      unit => '%', min => 0, max => 100 },
+                ],
+            },
+        },
+    }
+};
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+    
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+                                { 
+                                });
+                                
+    foreach my $key (('cpu')) {
+        foreach (keys %{$maps_counters->{$key}}) {
+            my ($id, $name) = split /_/;
+            if (!defined($maps_counters->{$key}->{$_}->{threshold}) || $maps_counters->{$key}->{$_}->{threshold} != 0) {
+                $options{options}->add_options(arguments => {
+                                                            'warning-' . $name . ':s'    => { name => 'warning-' . $name },
+                                                            'critical-' . $name . ':s'    => { name => 'critical-' . $name },
+                                               });
+            }
+            $maps_counters->{$key}->{$_}->{obj} = centreon::plugins::values->new(output => $self->{output}, perfdata => $self->{perfdata},
+                                                      label => $name);
+            $maps_counters->{$key}->{$_}->{obj}->set(%{$maps_counters->{$key}->{$_}->{set}});
+        }
+    }
+    
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::init(%options);
+    
+    foreach my $key (('cpu')) {
+        foreach (keys %{$maps_counters->{$key}}) {
+            $maps_counters->{$key}->{$_}->{obj}->init(option_results => $self->{option_results});
+        }
+    }
+    $instance_mode = $self;
+}
+
+sub run_instances {
+    my ($self, %options) = @_;
+    
+    my $multiple = 1;
+    if (scalar(keys %{$self->{cpu}}) == 1) {
+        $multiple = 0;
+    }
+    
+    if ($multiple == 1) {
+        $self->{output}->output_add(severity => 'OK',
+                                    short_msg => 'All CPU usages are ok');
+    }
+    
+    foreach my $id (sort keys %{$self->{cpu}}) {     
+        my ($short_msg, $short_msg_append, $long_msg, $long_msg_append) = ('', '', '', '');
+        my @exits = ();
+        foreach (sort keys %{$maps_counters->{cpu}}) {
+            my $obj = $maps_counters->{cpu}->{$_}->{obj};
+            $obj->set(instance => $id);
+        
+            my ($value_check) = $obj->execute(values => $self->{cpu}->{$id});
+
+            if ($value_check != 0) {
+                $long_msg .= $long_msg_append . $obj->output_error();
+                $long_msg_append = ', ';
+                next;
+            }
+            my $exit2 = $obj->threshold_check();
+            push @exits, $exit2;
+
+            my $output = $obj->output();
+            $long_msg .= $long_msg_append . $output;
+            $long_msg_append = ', ';
+            
+            if (!$self->{output}->is_status(litteral => 1, value => $exit2, compare => 'ok')) {
+                $short_msg .= $short_msg_append . $output;
+                $short_msg_append = ', ';
+            }
+            
+            $obj->perfdata(extra_instance => $multiple);
+        }
+
+        my $prefix = '';
+        if ($multiple == 1) {
+            $prefix = sprintf("CPU '%s' ", $self->{cpu}->{$id}->{display});
+        }
+        $self->{output}->output_add(long_msg => "${prefix}$long_msg");
+        my $exit = $self->{output}->get_most_critical(status => [ @exits ]);
+        if (!$self->{output}->is_status(litteral => 1, value => $exit, compare => 'ok')) {
+            $self->{output}->output_add(severity => $exit,
+                                        short_msg => "${prefix}$short_msg"
+                                        );
+        }
+        
+        if ($multiple == 0) {
+            $self->{output}->output_add(short_msg => "${prefix}$long_msg");
+        }
+    }
+}
+
+sub run {
+    my ($self, %options) = @_;
+
+    $self->manage_selection(%options);
+    $self->run_instances();
+     
+    $self->{output}->display();
+    $self->{output}->exit();
+}
+
+my $mapping = {
+    hwCpuCostRate           => { oid => '.1.3.6.1.4.1.43.45.1.6.1.1.1.2' },
+    hwCpuCostRatePer1Min    => { oid => '.1.3.6.1.4.1.43.45.1.6.1.1.1.3' },
+    hwCpuCostRatePer5Min    => { oid => '.1.3.6.1.4.1.43.45.1.6.1.1.1.4' },
+};
+
+sub manage_selection {
+    my ($self, %options) = @_;
+    
+    # a3com-huawei-splat-devm.mib
+    my $oid_hwCpuEntry = '.1.3.6.1.4.1.43.45.1.6.1.1.1';
+    my $results = $options{snmp}->get_table(oid => $oid_hwCpuEntry, nothing_quit => 1);
+    $self->{cpu} = {};
+    foreach my $oid (keys %{$results}) {
+        next if ($oid !~ /^$mapping->{hwMemSize}->{oid}\.(.*)/);
+        my $instance = $1;
+        my $result = $options{snmp}->map_instance(mapping => $mapping, results => $results, instance => $instance);
+        
+        $self->{cpu}->{$instance} = { display => $instance, 
+                                      usage_5s => $result->{hwCpuCostRate},
+                                      usage_1m => $result->{hwCpuCostRatePer1Min},
+                                      usage_5m => $result->{hwCpuCostRatePer5Min},
+                                    }; 
+    }
+    
+    if (scalar(keys %{$self->{cpu}}) <= 0) {
+        $self->{output}->add_option_msg(short_msg => "No entry found.");
+        $self->{output}->option_exit();
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check cpu usages.
+
+=over 8
+
+=item B<--warning-*>
+
+Threshold warning.
+Can be: '5s', '1m', '5m'.
+
+=item B<--critical-*>
+
+Threshold critical.
+Can be: '5s', '1m', '5m'.
+
+=back
+
+=cut
diff --git a/network/3com/snmp/mode/memory.pm b/network/3com/snmp/mode/memory.pm
new file mode 100644
index 000000000..d0e92264b
--- /dev/null
+++ b/network/3com/snmp/mode/memory.pm
@@ -0,0 +1,250 @@
+#
+# Copyright 2015 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::3com::snmp::mode::memory;
+
+use base qw(centreon::plugins::mode);
+
+use strict;
+use warnings;
+use centreon::plugins::values;
+
+my $instance_mode;
+
+my $maps_counters = {
+    mem => {
+        '000_usage'   => {
+            set => {
+                key_values => [ { name => 'display' }, { name => 'total' }, { name => 'used' } ],
+                closure_custom_calc => \&custom_usage_calc,
+                closure_custom_output => \&custom_usage_output,
+                closure_custom_perfdata => \&custom_usage_perfdata,
+                closure_custom_threshold_check => \&custom_usage_threshold,
+            },
+        },
+    }
+};
+
+sub custom_usage_perfdata {
+    my ($self, %options) = @_;
+    
+    my $extra_label = '';
+    if (!defined($options{extra_instance}) || $options{extra_instance} != 0) {
+        $extra_label .= '_' . $self->{result_values}->{display};
+    }
+    $self->{output}->perfdata_add(label => 'used' . $extra_label, unit => 'B',
+                                  value => $self->{result_values}->{used},
+                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $self->{label}, total => $self->{result_values}->{total}, cast_int => 1),
+                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{label}, total => $self->{result_values}->{total}, cast_int => 1),
+                                  min => 0, max => $self->{result_values}->{total});
+}
+
+sub custom_usage_threshold {
+    my ($self, %options) = @_;
+    
+    my $exit = $self->{perfdata}->threshold_check(value => $self->{result_values}->{prct_used}, threshold => [ { label => 'critical-' . $self->{label}, exit_litteral => 'critical' }, { label => 'warning-' . $self->{label}, exit_litteral => 'warning' } ]);
+    return $exit;
+}
+
+sub custom_usage_output {
+    my ($self, %options) = @_;
+    
+    my ($total_size_value, $total_size_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{total});
+    my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{used});
+    my ($total_free_value, $total_free_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{free});
+    
+    my $msg = sprintf("Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)",
+                      $total_size_value . " " . $total_size_unit,
+                      $total_used_value . " " . $total_used_unit, $self->{result_values}->{prct_used},
+                      $total_free_value . " " . $total_free_unit, $self->{result_values}->{prct_free});
+    return $msg;
+}
+
+sub custom_usage_calc {
+    my ($self, %options) = @_;
+
+    $self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
+    $self->{result_values}->{total} = $options{new_datas}->{$self->{instance} . '_total'};
+    $self->{result_values}->{used} = $options{new_datas}->{$self->{instance} . '_used'};
+    $self->{result_values}->{free} = $self->{result_values}->{total} - $self->{result_values}->{used};
+    $self->{result_values}->{prct_free} = $self->{result_values}->{free} * 100 / $self->{result_values}->{total};
+    $self->{result_values}->{prct_used} = $self->{result_values}->{used} * 100 / $self->{result_values}->{total};
+    return 0;
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+    
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+                                { 
+                                });
+                                
+    foreach my $key (('mem')) {
+        foreach (keys %{$maps_counters->{$key}}) {
+            my ($id, $name) = split /_/;
+            if (!defined($maps_counters->{$key}->{$_}->{threshold}) || $maps_counters->{$key}->{$_}->{threshold} != 0) {
+                $options{options}->add_options(arguments => {
+                                                            'warning-' . $name . ':s'    => { name => 'warning-' . $name },
+                                                            'critical-' . $name . ':s'    => { name => 'critical-' . $name },
+                                               });
+            }
+            $maps_counters->{$key}->{$_}->{obj} = centreon::plugins::values->new(output => $self->{output}, perfdata => $self->{perfdata},
+                                                      label => $name);
+            $maps_counters->{$key}->{$_}->{obj}->set(%{$maps_counters->{$key}->{$_}->{set}});
+        }
+    }
+    
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::init(%options);
+    
+    foreach my $key (('mem')) {
+        foreach (keys %{$maps_counters->{$key}}) {
+            $maps_counters->{$key}->{$_}->{obj}->init(option_results => $self->{option_results});
+        }
+    }
+    $instance_mode = $self;
+}
+
+sub run_instances {
+    my ($self, %options) = @_;
+    
+    my $multiple = 1;
+    if (scalar(keys %{$self->{mem}}) == 1) {
+        $multiple = 0;
+    }
+    
+    if ($multiple == 1) {
+        $self->{output}->output_add(severity => 'OK',
+                                    short_msg => 'All memory usages are ok');
+    }
+    
+    foreach my $id (sort keys %{$self->{mem}}) {     
+        my ($short_msg, $short_msg_append, $long_msg, $long_msg_append) = ('', '', '', '');
+        my @exits = ();
+        foreach (sort keys %{$maps_counters->{mem}}) {
+            my $obj = $maps_counters->{mem}->{$_}->{obj};
+            $obj->set(instance => $id);
+        
+            my ($value_check) = $obj->execute(values => $self->{mem}->{$id});
+
+            if ($value_check != 0) {
+                $long_msg .= $long_msg_append . $obj->output_error();
+                $long_msg_append = ', ';
+                next;
+            }
+            my $exit2 = $obj->threshold_check();
+            push @exits, $exit2;
+
+            my $output = $obj->output();
+            $long_msg .= $long_msg_append . $output;
+            $long_msg_append = ', ';
+            
+            if (!$self->{output}->is_status(litteral => 1, value => $exit2, compare => 'ok')) {
+                $short_msg .= $short_msg_append . $output;
+                $short_msg_append = ', ';
+            }
+            
+            $obj->perfdata(extra_instance => $multiple);
+        }
+
+        my $prefix = '';
+        if ($multiple == 1) {
+            $prefix = sprintf("Memory '%s' ", $self->{mem}->{$id}->{display});
+        }
+        $self->{output}->output_add(long_msg => "${prefix}$long_msg");
+        my $exit = $self->{output}->get_most_critical(status => [ @exits ]);
+        if (!$self->{output}->is_status(litteral => 1, value => $exit, compare => 'ok')) {
+            $self->{output}->output_add(severity => $exit,
+                                        short_msg => "${prefix}$short_msg"
+                                        );
+        }
+        
+        if ($multiple == 0) {
+            $self->{output}->output_add(short_msg => "${prefix}$long_msg");
+        }
+    }
+}
+
+sub run {
+    my ($self, %options) = @_;
+
+    $self->manage_selection(%options);
+    $self->run_instances();
+     
+    $self->{output}->display();
+    $self->{output}->exit();
+}
+
+my $mapping = {
+    hwMemSize       => { oid => '.1.3.6.1.4.1.43.45.1.6.1.2.1.1.2' },
+    hwMemFree       => { oid => '.1.3.6.1.4.1.43.45.1.6.1.2.1.1.3' },
+};
+
+sub manage_selection {
+    my ($self, %options) = @_;
+    
+    # a3com-huawei-splat-devm.mib
+    my $oid_hwMemEntry = '.1.3.6.1.4.1.43.45.1.6.1.2.1.1';
+    my $results = $options{snmp}->get_table(oid => $oid_hwMemEntry, nothing_quit => 1);
+    $self->{mem} = {};
+    foreach my $oid (keys %{$results}) {
+        next if ($oid !~ /^$mapping->{hwMemSize}->{oid}\.(.*)/);
+        my $instance = $1;
+        my $result = $options{snmp}->map_instance(mapping => $mapping, results => $results, instance => $instance);
+        
+        my $total = $result->{hwMemSize};
+        my $used = $result->{hwMemSize} - $result->{hwMemFree};
+        $self->{mem}->{$instance} = { display => $instance, used => $used, total => $total }; 
+    }
+    
+    if (scalar(keys %{$self->{mem}}) <= 0) {
+        $self->{output}->add_option_msg(short_msg => "No entry found.");
+        $self->{output}->option_exit();
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check memory usages.
+
+=over 8
+
+=item B<--warning-usage>
+
+Threshold warning (in percent).
+
+=item B<--critical-usage>
+
+Threshold critical (in percent).
+
+=back
+
+=cut
diff --git a/network/3com/snmp/plugin.pm b/network/3com/snmp/plugin.pm
new file mode 100644
index 000000000..2a591a9d3
--- /dev/null
+++ b/network/3com/snmp/plugin.pm
@@ -0,0 +1,51 @@
+#
+# Copyright 2015 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package network::3com::snmp::plugin;
+
+use strict;
+use warnings;
+use base qw(centreon::plugins::script_snmp);
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+
+    $self->{version} = '1.0';
+    %{$self->{modes}} = (
+                         'cpu'              => 'network::3com::snmp::mode::cpu',
+                         'interfaces'       => 'snmp_standard::mode::interfaces',
+                         'list-interfaces'  => 'snmp_standard::mode::listinterfaces',
+                         'memory'           => 'network::3com::snmp::mode::memory',
+                         );
+
+    return $self;
+}
+
+1;
+
+__END__
+
+=head1 PLUGIN DESCRIPTION
+
+Check 3com equipment (old legacy. Maybe you should use 'network::h3c' plugin) in SNMP.
+
+=cut