diff --git a/includes/discovery/vlans/avaya-ers.inc.php b/includes/discovery/vlans/avaya-ers.inc.php
new file mode 100644
index 0000000000..16c008da9e
--- /dev/null
+++ b/includes/discovery/vlans/avaya-ers.inc.php
@@ -0,0 +1,40 @@
+<?php
+echo 'RC-VLAN-MIB VLANs: ';
+if ($device['os'] == 'avaya-ers') {
+
+  $vtpdomain_id = '1';
+  $vlans        = snmpwalk_cache_oid($device, 'rcVlanName', array(), 'RC-VLAN-MIB');
+  $tagoruntag   = snmpwalk_cache_oid($device, 'rcVlanPortMembers', array(), 'RC-VLAN-MIB', null, '-OQUs --hexOutputLength=0');
+  $port_pvids   = snmpwalk_cache_oid($device, 'rcVlanPortDefaultVlanId', array(), 'RC-VLAN-MIB');
+  $port_mode    = snmpwalk_cache_oid($device, 'rcVlanPortPerformTagging', array(), 'RC-VLAN-MIB');
+  
+  foreach ($vlans as $vlan_id => $vlan) {
+      d_echo(" $vlan_id");
+      if (is_array($vlans_db[$vtpdomain_id][$vlan_id])) {
+          echo '.';
+      } else {
+          dbInsert(array(
+              'device_id' => $device['device_id'],
+              'vlan_domain' => $vtpdomain_id,
+              'vlan_vlan' => $vlan_id,
+              'vlan_name' => $vlan['rcVlanName'],
+              'vlan_type' => array('NULL')
+          ), 'vlans');
+          echo '+';
+      }
+      $device['vlans'][$vtpdomain_id][$vlan_id] = $vlan_id;    
+      $egress_ids = q_bridge_bits2indices($tagoruntag[$vlan_id]['rcVlanPortMembers']);
+      $untagged_ids = array();
+      
+      foreach ($port_pvids as $port => $port_num) {
+          if ($port_num['rcVlanPortDefaultVlanId'] == $vlan_id && 
+          ($port_mode[$port]['rcVlanPortPerformTagging'] == 'false' || $port_mode[$port]['rcVlanPortPerformTagging'] == 4 )) {              
+              array_push($untagged_ids, $port);
+          }          
+      }
+      foreach ($egress_ids as $port_id) {
+          $ifIndex = $base_to_index[$port_id];
+          $per_vlan_data[$vlan_id][$ifIndex]['untagged'] = (in_array($port_id, $untagged_ids) ? 1 : 0);
+      }
+  }
+}