diff --git a/discovery.php b/discovery.php
index 509d41a7a..10fb3bb29 100755
--- a/discovery.php
+++ b/discovery.php
@@ -68,7 +68,7 @@ while ($device = mysql_fetch_array($device_query)) {
   }
 
 
-  if($device['os'] == "IOS" || $device['os'] == "IOS XE") {
+  if($device['os'] == "IOS" || $device['os'] == "IOS XE" || $device['os'] == "CatOS") {
     include("includes/discovery/cisco-vlans.php");
     include("includes/discovery/cisco-physical.php");
     include("includes/discovery/bgp-peers.php");
diff --git a/html/graph.php b/html/graph.php
index 8565596cc..2dd22d8ab 100644
--- a/html/graph.php
+++ b/html/graph.php
@@ -148,7 +148,8 @@ if($_GET['debug']) {
       $graph = cpugraphUnix ($hostname . "/cpu.rrd", $graphfile, $from, $to, $width, $height, $title, $vertical);
     } elseif($os == "IOS" || $os == "IOS XE") {
       $graph = graph_device_cpmCPU ($device_id, $graphfile, $from, $to, $width, $height, $title, $vertical);     
-      #$graph = cpugraph ($hostname . "/cpu.rrd", $graphfile, $from, $to, $width, $height, $title, $vertical);
+    } elseif($os == "CatOS") {
+      $graph = cpugraph ($hostname . "/cpu.rrd", $graphfile, $from, $to, $width, $height, $title, $vertical);
     } elseif($os == "Windows") {
       $graph = cpugraphwin ($hostname . "/cpu.rrd", $graphfile, $from, $to, $width, $height, $title, $vertical);
     } elseif($os == "ProCurve") {
@@ -183,7 +184,8 @@ if($_GET['debug']) {
       $graph = memgraphUnix ($hostname . "/mem.rrd", $graphfile, $from, $to, $width, $height, $title, $vertical);
     } elseif($os == "IOS" || $os == "IOS XE") {
       $graph = graph_device_cempMemPool ($device_id, $graphfile, $from, $to, $width, $height, $title, $vertical);
-      #$graph = memgraph ($hostname . "/mem.rrd", $graphfile, $from, $to, $width, $height, $title, $vertical);
+    } elseif($os == "CatOS") {
+      $graph = memgraph ($hostname . "/mem.rrd", $graphfile, $from, $to, $width, $height, $title, $vertical);
     } elseif($os == "Windows") {
     } elseif($os == "ProCurve") {
       $graph = memgraphHP ($hostname . "/mem.rrd", $graphfile, $from, $to, $width, $height, $title, $vertical);
diff --git a/html/includes/dev-overview-data.inc.php b/html/includes/dev-overview-data.inc.php
index f2d45e59c..b4586476e 100644
--- a/html/includes/dev-overview-data.inc.php
+++ b/html/includes/dev-overview-data.inc.php
@@ -12,11 +12,13 @@
 
   
 
+    if ($device['features']) { $device['features'] = "(".$device['features'].")"; }
+
     echo("$ddev_img
       <table width=100%>
         <tr>
           <td class=list-bold>Operating System</td>
-          <td>" . $device['os'] . " " . $device['version'] . " ( " . $device['features'] . " )</td>
+          <td>" . $device['os'] . " " . $device['version'] . " " . $device['features'] . " </td>
         </tr>");
 	
     if($device['hardware']) {echo("<tr>
diff --git a/html/pages/device/graphs.inc.php b/html/pages/device/graphs.inc.php
index 8c1fa4199..fbc446bab 100644
--- a/html/pages/device/graphs.inc.php
+++ b/html/pages/device/graphs.inc.php
@@ -168,6 +168,10 @@ while($device = mysql_fetch_array($device_query)) {
         echo("<br />");
       }
       break;
+
+   case "CatOS":
+      break;
+
    case "IOS":
    case "IOS XE":
       break;
diff --git a/html/pages/device/overview.inc.php b/html/pages/device/overview.inc.php
index 0b687386b..173ba89ba 100644
--- a/html/pages/device/overview.inc.php
+++ b/html/pages/device/overview.inc.php
@@ -199,7 +199,7 @@ echo("
 
   echo("<div style='margin: 8px; font-size: 11px; font-weight: bold;'>");
 
-  $sql = "SELECT * FROM interfaces WHERE `device_id` = '" . $device['device_id'] . "'";
+  $sql = "SELECT * FROM interfaces WHERE `device_id` = '" . $device['device_id'] . "' AND deleted != '1'";
   $query = mysql_query($sql);
   while($data = mysql_fetch_array($query)) {
     $data = ifNameDescr($data);
diff --git a/includes/discovery/cisco-physical.php b/includes/discovery/cisco-physical.php
index 833c0f1d9..a7ba299ca 100755
--- a/includes/discovery/cisco-physical.php
+++ b/includes/discovery/cisco-physical.php
@@ -72,7 +72,7 @@
         $sql .= " entSensorMeasuredEntity = '$entSensorMeasuredEntity'";
         $sql .= " WHERE device_id = '".$device['device_id']."' AND entPhysicalIndex = '$entPhysicalIndex'";
       } else {
-        echo("!$entSensorType");
+        echo("!");
         $sql =  "UPDATE `entPhysical` SET entSensorType = '', entSensorScale = '', entSensorPrecision = '', entSensorMeasuredEntity = ''";
         $sql .= " WHERE device_id = '".$device['device_id']."' AND entPhysicalIndex = '$entPhysicalIndex'";
       }
diff --git a/includes/discovery/interfaces.php b/includes/discovery/interfaces.php
index 8602a6779..21ab26023 100755
--- a/includes/discovery/interfaces.php
+++ b/includes/discovery/interfaces.php
@@ -30,15 +30,12 @@
     if(!strstr($entry, "irtual")) {
       $if = trim(strtolower($ifDescr));
       $nullintf = 0;
-      foreach($config['bad_if'] as $bi) {
-      if (strstr($if, $bi)) {
-          $nullintf = 1;
-        }
-      }
+      foreach($config['bad_if'] as $bi) { if (strstr($if, $bi)) { $nullintf = 1; } }
+      if($device['os'] == "CatOS" && strstr($if, "vlan") ) { $nullintf = 1; } 
       $ifDescr = fixifName($ifDescr);
-      if (preg_match('/serial[0-9]:/', $if)) { $nullintf = '1'; }
+      if (preg_match('/serial[0-9]:/', $if)) { $nullintf = 1; }
       if(!$config['allow_ng']) {
-       if (preg_match('/ng[0-9]+$/', $if)) { $nullintf = '1'; }
+       if (preg_match('/ng[0-9]+$/', $if)) { $nullintf = 1; }
       }
       if ($nullintf == 0) {
         if(mysql_result(mysql_query("SELECT COUNT(*) FROM `interfaces` WHERE `device_id` = '".$device['device_id']."' AND `ifIndex` = '$ifIndex'"), 0) == '0') {
@@ -46,8 +43,8 @@
           # Add Interface
            echo("+");
         } else {
-          mysql_query("UPDATE `interfaces` SET `deleted` = '0', `ifDescr` = '$ifDescr' WHERE `device_id` = '".$device['device_id']."' AND `ifIndex` = '$ifIndex'"); 
-          if(mysql_affected_rows()) { 
+          if($interface['deleted']) {
+            mysql_query("UPDATE `interfaces` SET `deleted` = '0' WHERE `device_id` = '".$device['device_id']."' AND `ifIndex` = '$ifIndex'"); 
             echo("*"); 
           } else {
             echo(".");
diff --git a/includes/osdiscovery/discover-catos.php b/includes/osdiscovery/discover-catos.php
new file mode 100755
index 000000000..51798db15
--- /dev/null
+++ b/includes/osdiscovery/discover-catos.php
@@ -0,0 +1,9 @@
+<?php
+
+if(!$os) {
+
+  if(strstr($sysDescr, "Cisco Catalyst Operating System Software")) { $os = "CatOS"; }
+
+}
+
+?>
diff --git a/includes/polling/interfaces.inc.php b/includes/polling/interfaces.inc.php
index 955f22f87..d3643387b 100644
--- a/includes/polling/interfaces.inc.php
+++ b/includes/polling/interfaces.inc.php
@@ -38,7 +38,7 @@ while ($interface = mysql_fetch_array($interface_query)) {
    $ifDescr = trim(str_replace("\"", "", $ifDescr));
    $ifDescr = trim($ifDescr);
 
-#   if(!$ifDescr) { $ifDescr = $ifName; }
+   if($config[ifname][$device[os]]) { $ifDescr = $ifName; }
 
    $rrdfile = $host_rrd . "/" . $interface['ifIndex'] . ".rrd"; 
 
@@ -64,20 +64,19 @@ while ($interface = mysql_fetch_array($interface_query)) {
 
    if( file_exists("includes/polling/interface-" . $device['os'] . ".php") ) { include("includes/polling/interface-" . $device['os'] . ".php"); }
 
-   if ( $interface['ifDescr'] != $ifDescr ) {
+   if ( $interface['ifDescr'] != $ifDescr && $ifDescr != "" ) {
      $update .= $seperator . "`ifDescr` = '$ifDescr'";
      $seperator = ", ";
      mysql_query("INSERT INTO eventlog (`host`, `interface`, `datetime`, `message`) VALUES ('" . $interface['device_id'] . "', '" . $interface['interface_id'] . "', NOW(), 'ifDescr -> $ifDescr')");
    }
 
-
-   if ( $interface['ifName'] != $ifName ) {
+   if ( $interface['ifName'] != $ifName && $ifName != "" ) {
      $update .= $seperator . "`ifName` = '$ifName'";
      $seperator = ", ";
      mysql_query("INSERT INTO eventlog (`host`, `interface`, `datetime`, `message`) VALUES ('" . $interface['device_id'] . "', '" . $interface['interface_id'] . "', NOW(), 'ifName -> $ifName')");
    }
  
-   if ( $interface['ifAlias'] != $ifAlias ) {
+   if ( $interface['ifAlias'] != $ifAlias && $ifAlias != "" ) {
      $update .= $seperator . "`ifAlias` = '$ifAlias'";
      $seperator = ", ";
      mysql_query("INSERT INTO eventlog (`host`, `interface`, `datetime`, `message`) VALUES ('" . $interface['device_id'] . "', '" . $interface['interface_id'] . "', NOW(), 'ifAlias -> $ifAlias')");
@@ -98,7 +97,7 @@ while ($interface = mysql_fetch_array($interface_query)) {
      $update_query  = "UPDATE `interfaces` SET ";
      $update_query .= $update;
      $update_query .= " WHERE `interface_id` = '" . $interface['interface_id'] . "'";
-#     echo("Updating : " . $device['hostname'] . " $ifDescr\nSQL :$update_query\n\n");
+     echo("Updating : " . $device['hostname'] . " $ifDescr\nSQL :$update_query\n\n");
      $update_result = mysql_query($update_query);
    } else {
 #     echo("Not Updating : " . $device['hostname'] ." $ifDescr ( " . $interface['ifDescr'] . " )\n\n");
diff --git a/includes/rewrites.php b/includes/rewrites.php
index 29abc2af8..a7f9cba85 100644
--- a/includes/rewrites.php
+++ b/includes/rewrites.php
@@ -7,7 +7,8 @@ function formatMac($mac) {
 
 
 function ifNameDescr ($interface, $device) {
-  echo($device['os']);
+#  echo($device['os']);
+
   if(!$config['ifname'][$device['os']]) {
     $interface['label'] = $interface['ifDescr'];
   } else {
diff --git a/includes/static-config.php b/includes/static-config.php
index ef8e9835d..e2c16ad36 100644
--- a/includes/static-config.php
+++ b/includes/static-config.php
@@ -4,6 +4,8 @@
 $config['ifdescr']['IOS'] = true;
 $config['ifdescr']['IOS XE'] = true;
 $config['ifname']['ASA'] = true;
+$config['ifname']['CatOS'] = true;
+
 
 ## AFI / SAFI pairs for BGP (and other stuff, perhaps)
 $config['afi']['ipv4']['unicast']    = "IPv4";
diff --git a/poll-device.php b/poll-device.php
index b66586feb..5295ae0dd 100755
--- a/poll-device.php
+++ b/poll-device.php
@@ -124,6 +124,10 @@ while ($device = mysql_fetch_array($device_query)) {
       include("includes/polling/device-ios.inc.php");
       break;
 
+    case "CatOS":
+      include("includes/polling/device-catos.inc.php");
+      break;
+
     case "ProCurve":
       $sysDescr = str_replace(", ", ",", $sysDescr);
       list($hardware, $features, $version) = explode(",", $sysDescr);
@@ -133,12 +137,15 @@ while ($device = mysql_fetch_array($device_query)) {
       }
       include("includes/polling/device-procurve.inc.php");
       break;
+
     case "BCM96348":
       include("includes/polling/adslline.inc.php");
     break;
+
     case "Snom":
       include("includes/polling/device-snom.inc.php");
       break;
+
     default:
       pollDevice();
     }