diff --git a/os/linux/local/mode/listinterfaces.pm b/os/linux/local/mode/listinterfaces.pm
index 4f258fd7c..333086038 100644
--- a/os/linux/local/mode/listinterfaces.pm
+++ b/os/linux/local/mode/listinterfaces.pm
@@ -62,6 +62,7 @@ sub new {
                                   "filter-name:s"     => { name => 'filter_name', },
                                   "filter-state:s"    => { name => 'filter_state', },
                                   "no-loopback"       => { name => 'no_loopback', },
+                                  "skip-novalues"     => { name => 'skip_novalues', },
                                 });
     $self->{result} = {};
     return $self;
@@ -101,6 +102,12 @@ sub manage_selection {
             $self->{output}->output_add(long_msg => "Skipping interface '" . $interface_name . "': no matching filter state");
             next;
         }
+        
+        $values =~ /RX bytes:(\S+).*?TX bytes:(\S+)/msi;
+        if (defined($self->{option_results}->{skip_novalues}) && !defined($1)) {
+            $self->{output}->output_add(long_msg => "Skipping interface '" . $interface_name . "': no values");
+            next;
+        }
         $self->{result}->{$interface_name} = {state => $states};
     }    
 }
@@ -110,7 +117,7 @@ sub run {
 	
     $self->manage_selection();
     foreach my $name (sort(keys %{$self->{result}})) {
-        $self->{output}->output_add(long_msg => "'" . $name . "' [state = " . $self->{result}->{$name}->{state} . ']');
+        $self->{output}->output_add(long_msg => "'" . $name . "' [state = '" . $self->{result}->{$name}->{state} . "']");
     }
     
     $self->{output}->output_add(severity => 'OK',
@@ -200,6 +207,10 @@ Can be: 'R' (running), 'U' (up).
 
 Don't display loopback interfaces.
 
+=item B<--skip-novalues>
+
+Filter interface without in/out byte values.
+
 =back
 
 =cut
\ No newline at end of file
diff --git a/os/linux/local/mode/traffic.pm b/os/linux/local/mode/traffic.pm
index ce491318c..49883de20 100644
--- a/os/linux/local/mode/traffic.pm
+++ b/os/linux/local/mode/traffic.pm
@@ -61,7 +61,7 @@ sub new {
                                   "command:s"         => { name => 'command', default => 'ifconfig' },
                                   "command-path:s"    => { name => 'command_path', default => '/sbin' },
                                   "command-options:s" => { name => 'command_options', default => '-a 2>&1' },
-                                  "filter-state:s"    => { name => 'filter_state', default => 'RU' },
+                                  "filter-state:s"    => { name => 'filter_state', },
                                   "warning-in:s"      => { name => 'warning_in' },
                                   "critical-in:s"     => { name => 'critical_in' },
                                   "warning-out:s"     => { name => 'warning_out' },
@@ -72,6 +72,7 @@ sub new {
                                   "regexp-isensitive"   => { name => 'use_regexpi' },
                                   "speed:s"             => { name => 'speed' },
                                   "no-loopback"         => { name => 'no_loopback', },
+                                  "skip"                => { name => 'skip' },
                                 });
     $self->{result} = {};
     $self->{hostname} = undef;
@@ -173,6 +174,31 @@ sub run {
     
     foreach my $name (sort(keys %{$self->{result}})) {
  
+        if ($self->{result}->{$name}->{state} !~ /RU/) {
+            if (!defined($self->{option_results}->{skip})) {
+                $self->{output}->output_add(severity => 'CRITICAL',
+                                            short_msg => "Interface '" . $name . "' is not up or/and running");
+            } else {
+                # Avoid getting "buffer creation..." alone
+                if (defined($self->{option_results}->{name}) && !defined($self->{option_results}->{use_regexp})) {
+                    $self->{output}->output_add(severity => 'OK',
+                                                short_msg => "Interface '" . $name . "' is not up or/and running (normal state)");
+                }
+                $self->{output}->output_add(long_msg => "Skip interface '" . $name . "': not up or/and running.");
+            }
+            next;
+        }
+        
+        # Some interface are running but not have bytes in/out
+        if (!defined($self->{result}->{$name}->{in})) {
+            if (defined($self->{option_results}->{name}) && !defined($self->{option_results}->{use_regexp})) {
+                    $self->{output}->output_add(severity => 'OK',
+                                                short_msg => "Interface '" . $name . "' is up and running but can't get traffic (no values)");
+            }
+            $self->{output}->output_add(long_msg => "Skip interface '" . $name . "': can't get traffic.");
+            next;
+        }
+ 
         $new_datas->{'in_' . $name} = $self->{result}->{$name}->{in} * 8;
         $new_datas->{'out_' . $name} = $self->{result}->{$name}->{out} * 8;
         
@@ -344,7 +370,11 @@ Allows to use regexp non case-sensitive (with --regexp).
 
 =item B<--filter-state>
 
-Filter interfaces type (regexp can be used. Default: 'RU').
+Filter interfaces type (regexp can be used).
+
+=item B<--skip>
+
+Skip errors on interface status (not up and running).
 
 =item B<--speed>