Netyce is running in virtual box and it connects to some cisco switches (IOU) and routers (IOS) that are running in GNS3. On both switch and router it gives the same result.
Cisco IOS Software, Linux Software (I86BI_LINUX_L2-UPK9-M), Experimental Version 15.0(20121031:162848) [dstivers-oct25-2012-golden_spike 103]
Copyright (c) 1986-2012 by Cisco Systems, Inc.
Compiled Wed 31-Oct-12 09:42 by dstivers
Cisco IOS Software, 7200 Software (C7200-ADVENTERPRISEK9-M), Version 15.2(4)S4, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2013 by Cisco Systems, Inc.
Compiled Sun 01-Sep-13 14:54 by prod_rel_team
GNS3 version: 2.1.11
virtualbox version: VirtualBox Graphical User Interface Version 5.2.18_Ubuntu r123745
Please let me know if you need more info.