diff --git a/gns3converter/converter.py b/gns3converter/converter.py
index 9db23a3..4699bfc 100644
--- a/gns3converter/converter.py
+++ b/gns3converter/converter.py
@@ -43,6 +43,7 @@ def __init__(self, topology, debug=False):
         self.port_id = 1
         self.links = []
         self.configs = []
+        self.datas = []
         self.images = []
 
         logging.getLogger(__name__)
@@ -230,6 +231,12 @@ def generate_nodes(self, topology):
                         and tmp_node.device_info['chassis'] == '3660':
                     tmp_node.node['properties']['slot0'] = 'Leopard-2FE'
 
+                for name in ['rom', 'nvram', 'bootflash', 'disk0', 'disk1', 'slot0', 'slot1']:
+                    self.datas.append({
+                        'old': os.path.join('working', tmp_node.device_info['model'] + '_' + device + '_' + name),
+                        'new':  tmp_node.device_info['model'] + '_i' + str(tmp_node.node['router_id']) + '_' + name
+                    })
+
                 # Calculate the router links
                 tmp_node.calc_device_links()
 
diff --git a/gns3converter/main.py b/gns3converter/main.py
index 57567c7..f4d8854 100644
--- a/gns3converter/main.py
+++ b/gns3converter/main.py
@@ -252,6 +252,9 @@ def save(output_dir, converter, json_topology, snapshot, quiet):
         config_err = copy_configs(converter.configs, old_topology_dir,
                                   topology_files_dir)
 
+        copy_datas(converter.datas, old_topology_dir,
+                                  topology_files_dir)
+
         # Copy any VPCS configurations to the the new topology
         copy_vpcs_configs(old_topology_dir, topology_files_dir)
 
@@ -292,6 +295,30 @@ def save(output_dir, converter, json_topology, snapshot, quiet):
         logging.error(error)
 
 
+def copy_datas(datas, source, target):
+    """
+    Copy dynamips data to converted topology
+
+    :param datas: Configs to copy
+    :param str source: Source topology directory
+    :param str target: Target topology files directory
+    :return: True when a data cannot be found, otherwise false
+    :rtype: bool
+    """
+    data_err = False
+    if len(datas) > 0:
+        data_dir = os.path.join(target, 'dynamips')
+        os.makedirs(data_dir, exist_ok=True)
+        for data in datas:
+            old_data_file = os.path.join(source, data['old'])
+            new_data_file = os.path.join(data_dir, data['new'])
+            if os.path.isfile(old_data_file):
+                # Copy and rename the data
+                shutil.copy(old_data_file, new_data_file)
+    return data_err
+
+
+
 def copy_configs(configs, source, target):
     """
     Copy dynamips configs to converted topology
diff --git a/tests/test_converter.py b/tests/test_converter.py
index 8ab52e7..a364d7e 100644
--- a/tests/test_converter.py
+++ b/tests/test_converter.py
@@ -72,5 +72,47 @@ def test_generate_notes(self):
         res = self.app.generate_notes(notes)
         self.assertListEqual(res, exp_res)
 
+    def test_generate_nodes(self):
+        topology = {}
+        topology['conf'] = [
+            {'sparsemem': True,
+             'ghostios': True,
+             'idlepc': '0x60bec828',
+             'ram': 128,
+             'model': 'c3725',
+             'image': 'c3725-adventerprisek9-mz.124-15.T5.image'
+            }
+        ]
+        topology['devices'] = {
+            'GooglISP': {
+                'model': 'c7200',
+                'aux': 2512,
+                'hx': 19.5,
+                'z': 1.0,
+                'type': 'Router',
+                'node_id': 11,
+                'p1/0': 'VerISPon p1/0',
+                'hv_id': 3,
+                'x': -261.643648086,
+                'cnfg': 'configs\\GooglISP.cfg',
+                'f0/0': 'SW1 f0/0',
+                'y': -419.773080371,
+                'console': 2012,
+                'from': 'ROUTER',
+                'hy': -25.0,
+                'slot0': 'C7200-IO-FE',
+                'desc': 'Router',
+                'slot1': 'PA-POS-OC3'
+            }
+        }
+
+        config = self.app.generate_nodes(topology)
+        self.assertEqual(self.app.datas, [
+            {'new': 'c7200_i11_rom', 'old': 'working/c7200_GooglISP_rom'},
+            {'new': 'c7200_i11_nvram', 'old': 'working/c7200_GooglISP_nvram'},
+            {'new': 'c7200_i11_bootflash', 'old': 'working/c7200_GooglISP_bootflash'},
+            {'new': 'c7200_i11_disk0', 'old': 'working/c7200_GooglISP_disk0'}
+        ])
+
 if __name__ == '__main__':
     unittest.main()