| Feature | Product | Release introduced | 
|---|---|---|
| MACsec 2AN mode (static) Note: 
                                     VOSS 5.0 officially removed the replay protection commands. Do not use replay protection in earlier releases. | VSP 4450 Series | VSP 4000 4.0 | 
| VSP 4900 Series | VOSS 8.5 | |
| VSP 7200 Series | VOSS 4.2.1 VSP 7254XTQ only | |
| VSP 7400 Series | Not Supported | |
| VSP 8200 Series | VOSS 4.1 | |
| VSP 8400 Series | VOSS 4.2 | |
| VSP 8600 Series | Not Supported | |
| XA1400 Series | Not Supported | |
| MACsec 4AN mode (static) | VSP 4450 Series | VOSS 6.0 | 
| VSP 4900 Series | VOSS 8.1 | |
| VSP 7200 Series | VOSS 6.0 VSP 7254XTQ only | |
| VSP 7400 Series | Not Supported | |
| VSP 8200 Series | VOSS 6.0 | |
| VSP 8400 Series | VOSS 6.0 | |
| VSP 8600 Series | VSP 8600 4.5 | |
| XA1400 Series | Not Supported | |
| MACsec encryption cipher suites | VSP 4450 Series | VOSS 8.1 128 bits only | 
| VSP 4900 Series | VOSS 8.1 
 | |
| VSP 7200 Series | VOSS 8.1 128 bits only | |
| VSP 7400 Series | Not Supported | |
| VSP 8200 Series | VOSS 8.1 128 bits only | |
| VSP 8400 Series | VOSS 8.1 128 bits only | |
| VSP 8600 Series | VSP 8600 6.2 8624XS supports 128 bits only. 8606CQ supports 128 bits and 256 bits. | |
| XA1400 Series | Not Supported | |
| MACsec Key Agreement (MKA) | VSP 4450 Series | Not Supported | 
| VSP 4900 Series | VOSS 8.5 | |
| VSP 7200 Series | Not Supported | |
| VSP 7400 Series | Not Supported | |
| VSP 8200 Series | Not Supported | |
| VSP 8400 Series | VOSS 8.1 | |
| VSP 8600 Series | VSP 8600 8.1 | |
| XA1400 Series | Not Supported |