| Feature | Product | Release introduced | 
|---|---|---|
| Industry Standard Discovery Protocol (ISDP) (CDP compatible) | VSP 4450 Series | VOSS 6.0 | 
| VSP 4900 Series | VOSS 8.1 | |
| VSP 7200 Series | VOSS 6.0 | |
| VSP 7400 Series | VOSS 8.0 | |
| VSP 8200 Series | VOSS 6.0 | |
| VSP 8400 Series | VOSS 6.0 | |
| VSP 8600 Series | Not Supported | |
| XA1400 Series | Not Supported | |
| Link Layer Discovery Protocol (LLDP) | VSP 4450 Series | VOSS 6.0 | 
| VSP 4900 Series | VOSS 8.1 | |
| VSP 7200 Series | VOSS 6.0 | |
| VSP 7400 Series | VOSS 8.0 | |
| VSP 8200 Series | VOSS 6.0 | |
| VSP 8400 Series | VOSS 6.0 | |
| VSP 8600 Series | VSP 8600 6.1 | |
| XA1400 Series | VOSS 8.0.50 | |
| Link Layer Discovery Protocol-Media Endpoint Discovery (LLDP-MED) | VSP 4450 Series | VOSS 7.0 | 
| VSP 4900 Series | VOSS 8.1 | |
| VSP 7200 Series | VOSS 7.0 | |
| VSP 7400 Series | VOSS 8.0 | |
| VSP 8200 Series | VOSS 7.0 | |
| VSP 8400 Series | VOSS 7.0 | |
| VSP 8600 Series | VSP 8600 8.0 | |
| XA1400 Series | VOSS 8.0.50 | 
The following sections describe how to use Link Layer Discovery Protocol (LLDP) and Industry Standard Discovery Protocol (ISDP).