def _convert_2_0_0(topo, topo_path):
    """
    Convert topologies from GNS3 2.0.0 to 2.1

    Changes:
     * Remove startup_script_path from VPCS and base config file for IOU and Dynamips
    """
    topo['revision'] = 8
    for node in topo.get('topology', {}).get('nodes', []):
        if 'properties' in node:
            if node['node_type'] == 'vpcs':
                if 'startup_script_path' in node['properties']:
                    del node['properties']['startup_script_path']
                if 'startup_script' in node['properties']:
                    del node['properties']['startup_script']
            elif node['node_type'] == 'dynamips' or node['node_type'] == 'iou':
                if 'startup_config' in node['properties']:
                    del node['properties']['startup_config']
                if 'private_config' in node['properties']:
                    del node['properties']['private_config']
                if 'startup_config_content' in node['properties']:
                    del node['properties']['startup_config_content']
                if 'private_config_content' in node['properties']:
                    del node['properties']['private_config_content']
    return topo
