librenms-librenms/includes/discovery/vlans/cisco-vtp.inc.php

<?php

if ($device['os_group'] == "cisco")
{
  echo("Cisco VLANs : ");

  // Not sure why we check for VTP, but this data comes from that MIB, so...
  $vtpversion = snmp_get($device, "vtpVersion.0"  , "-OnvQ", "CISCO-VTP-MIB");
  if ($vtpversion == '1' || $vtpversion == '2' || $vtpversion == '3' || $vtpversion == 'one' ||  $vtpversion == 'two' || $vtpversion == 'three' || $vtpversion == 'none')
  {

    // FIXME - can have multiple VTP domains.
    $vtpdomains = snmpwalk_cache_oid($device, "vlanManagementDomains", array(), "CISCO-VTP-MIB");
    $vlans = snmpwalk_cache_twopart_oid($device, "vtpVlanEntry", array(), "CISCO-VTP-MIB");

    foreach ($vtpdomains as $vtpdomain_id => $vtpdomain)
    {
      echo("VTP Domain  ".$vtpdomain_id." ".$vtpdomain['managementDomainName']." ");
      foreach ($vlans[$vtpdomain_id] as $vlan_id => $vlan)
      {
        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['vtpVlanName'], 'vlan_type' => $vlan['vtpVlanType']), 'vlans');
          echo("+");
        }
        $device['vlans'][$vtpdomain_id][$vlan_id] = $vlan_id;
      }
    }
  }

  echo("\n");
}

?>