diff --git a/discovery.php b/discovery.php
index e5b012bc98..9558f5dd3c 100755
--- a/discovery.php
+++ b/discovery.php
@@ -20,6 +20,12 @@ if($argv[1] == "--device" && $argv[2]) {
   $where = "AND MOD(device_id,2) = 0";
 } elseif ($argv[1] == "--all") {
   $where = "";
+} elseif ($argv[1] == "--forced") {
+  $sql = mysql_query("SELECT * FROM devices_attribs AS A, `devices` AS D WHERE A.attrib_type = 'discover' AND A.device_id = D.device_id AND D.ignore = '0' AND D.disabled = '0'");
+  while($device = mysql_fetch_array($sql)){
+    shell_exec("./discover --device " . $device['device_id']);
+  }
+  exit;
 } else {
   echo("--device <device id>    Poll single device\n");
   echo("--os <os string>        Poll all devices of a given OS\n");
@@ -65,6 +71,7 @@ while ($device = mysql_fetch_array($device_query)) {
   }
 
   echo("\n"); $devices_polled++;
+  mysql_query("DELETE FROM `devices_attribs` WHERE `device_id` = '".$device['device_id']."' AND `attrib_type` = 'discover'");
 }
 
 $end = utime(); $run = $end - $start;
diff --git a/html/pages/addhost.php b/html/pages/addhost.php
index c1734dfcc8..37b6c7ac2d 100644
--- a/html/pages/addhost.php
+++ b/html/pages/addhost.php
@@ -7,17 +7,17 @@ exit;
 
 }
 
-echo("<h1>Add Device</h1>");
+echo("<h2>Add Device</h2>");
 
 if($_POST['hostname'] && $_POST['community']) {
   if($_SESSION['userlevel'] > '5') {
     $hostname = mres($_POST['hostname']);
     $community = mres($_POST['community']);
     $snmpver = mres($_POST['snmpver']);
+    if($_POST['port']) { $port = mres($_POST['port']); } else { $port = "161"; }
     echo("<p class='messagebox'>");
-    echo("Adding host $hostname community $community</p>");
-    $result = addHost($hostname, $community, $snmpver);  
-    echo("$result");
+    echo("Adding host $hostname community $community port $port</p>");
+    $result = addHost($hostname, $community, $snmpver, $port);  
     echo("</p>");
   } else {
     echo("<p class='errorbox'><b>Error:</b> You don't have the necessary privileges to add hosts.</p>");
@@ -30,7 +30,7 @@ echo("<p class='errorbox'><b>Error:</b> A hostname is required.</p>");
 
 ?>
 
-<form name="form1" method="post" action="?page=addhost">
+<form name="form1" method="post" action="<?php echo($config['base_url']);  ?>/addhost/">
   <p>Devices will be checked for Ping and SNMP reachability before being probed. Only devices with recognised OSes will be added.</p>
 
  <div style="padding: 10px; background: #f0f0f0;">
@@ -48,6 +48,7 @@ echo("<p class='errorbox'><b>Error:</b> A hostname is required.</p>");
           <option value="v1">v1</option>
           <option value="v2c" selected>v2c</option>
         </select>
+	&nbsp;<strong>Port</strong> <input type="text" name="port" size="16">
     </td>
   </tr>
   <tr>
diff --git a/includes/discovery/cisco-vlans.php b/includes/discovery/cisco-vlans.php
index 6f0c415f48..667e32ab02 100755
--- a/includes/discovery/cisco-vlans.php
+++ b/includes/discovery/cisco-vlans.php
@@ -3,7 +3,6 @@
   echo("Cisco VLANs : ");
 
   $vtpversion_cmd = $config['snmpget'] . " -Oqv -" . $device['snmpver'] . " -c " . $device['community'] . " " . $device['hostname'].":".$device['port'] . " .1.3.6.1.4.1.9.9.46.1.1.1.0";
-  echo("$vtpversion_cmd");
   $vtpversion = trim(`$vtpversion_cmd 2>/dev/null`);  
 
   if($vtpversion == '1' || $vtpversion == '2' || $vtpversion == 'two' || $vtpversion == 'three') {