| Feature | Product | Release introduced | 
|---|---|---|
| Remote Monitoring 1 (RMON1) for Layer 1 and Layer 2 Note: 
                                     VOSS Release 5.0 and 5.1 do not support RMON1. | VSP 4450 Series | VSP 4000 4.0 | 
| VSP 4900 Series | VOSS 8.1 | |
| VSP 7200 Series | VOSS 4.2.1 | |
| VSP 7400 Series | VOSS 8.0 | |
| VSP 8200 Series | VSP 8200 4.0 | |
| VSP 8400 Series | VOSS 4.2 | |
| VSP 8600 Series | VSP 8600 4.5 | |
| XA1400 Series | Not Supported | |
| Remote Monitoring 2 (RMON2) for network and application layer protocols | VSP 4450 Series | VOSS 4.2 | 
| VSP 4900 Series | VOSS 8.1 | |
| VSP 7200 Series | VOSS 4.2.1 | |
| VSP 7400 Series | VOSS 8.0 | |
| VSP 8200 Series | VOSS 4.2 | |
| VSP 8400 Series | VOSS 4.2 | |
| VSP 8600 Series | Not Supported | |
| XA1400 Series | VOSS 8.2 |