diff -urb orig/etc/inc/services.inc new/etc/inc/services.inc
--- orig/etc/inc/services.inc	2010-07-12 13:13:21.668373561 +0300
+++ new/etc/inc/services.inc	2010-07-12 13:25:12.450445328 +0300
@@ -338,6 +338,8 @@
 					$dhhostname = str_replace(".", "_", $dhhostname);
 					$dhcpdconf .= "	option host-name {$dhhostname};\n";
 				}
+				if ($sm['netbootfile'])
+					$dhcpdconf .= "	filename \"{$sm['netbootfile']}\";\n";
 
 				$dhcpdconf .= "}\n";
 				$i++;
diff -urb orig/usr/local/www/services_dhcp_edit.php new/usr/local/www/services_dhcp_edit.php
--- orig/usr/local/www/services_dhcp_edit.php	2010-07-12 12:42:52.596975827 +0300
+++ new/usr/local/www/services_dhcp_edit.php	2010-07-12 12:56:37.172811936 +0300
@@ -73,7 +73,7 @@
 }
 
 $static_map_enabled=isset($config['dhcpd'][$if]['staticarp']);
-
+$netboot_enabled=isset($config['dhcpd'][$if]['netboot']);
 $a_maps = &$config['dhcpd'][$if]['staticmap'];
 $ifcfgip = get_interface_ip($if);
 $ifcfgsn = get_interface_subnet($if);
@@ -87,10 +87,12 @@
         $pconfig['mac'] = $a_maps[$id]['mac'];
 		$pconfig['hostname'] = $a_maps[$id]['hostname'];
         $pconfig['ipaddr'] = $a_maps[$id]['ipaddr'];
+	$pconfig['netbootfile'] = $a_maps[$id]['netbootfile'];
         $pconfig['descr'] = $a_maps[$id]['descr'];
 } else {
         $pconfig['mac'] = $_GET['mac'];
 		$pconfig['hostname'] = $_GET['hostname'];
+	$pconfig['netbootfile'] = $_GET['netbootfile'];
         $pconfig['descr'] = $_GET['descr'];
 }
 
@@ -156,6 +158,7 @@
 		$mapent['ipaddr'] = $_POST['ipaddr'];
 		$mapent['hostname'] = $_POST['hostname'];
 		$mapent['descr'] = $_POST['descr'];
+		$mapent['netbootfile'] = $_POST['netbootfile'];
 
 		if (isset($id) && $a_maps[$id])
 			$a_maps[$id] = $mapent;
@@ -219,6 +222,14 @@
                     <input name="hostname" type="text" class="formfld unknown" id="hostname" size="20" value="<?=htmlspecialchars($pconfig['hostname']);?>">
                     <br> <span class="vexpl">Name of the host, without domain part.</span></td>
                 </tr>				
+                <?php if($netboot_enabled) { ?>
+		<tr>
+		  <td width="22%" valign="top" class="vncell">Netboot filename</td>
+		  <td width="78%" class="vtable">
+		    <input name="netbootfile" type="text" class="formfld unknown" id="netbootfile" size="20" value="<?=htmlspecialchars($pconfig['netbootfile']);?>">
+		    <br> <span class="vexpl">Name of the file that should be loaded when this host boots off of the network, overrides setting on main page.</span></td>
+		</tr>
+		<?php } ?>
                 <tr> 
                   <td width="22%" valign="top" class="vncell">Description</td>
                   <td width="78%" class="vtable"> 
Only in orig/usr/local/www: services_dhcp.php