| Feature | Product | Release introduced | 
|---|---|---|
| Secure Shell (SSH) server (IPv4) | 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 | VOSS 8.0.50 | |
| Secure Shell (SSH) client (IPv4) | 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 | VOSS 8.0.50 | |
| Secure Sockets Layer (SSL) certificate management | VSP 4450 Series | VOSS 4.1 | 
| VSP 4900 Series | VOSS 8.1 | |
| VSP 7200 Series | VOSS 4.2.1 | |
| VSP 7400 Series | VOSS 8.0 | |
| VSP 8200 Series | VOSS 4.1 | |
| VSP 8400 Series | VOSS 4.2 | |
| VSP 8600 Series | VSP 8600 4.5 | |
| XA1400 Series | VOSS 8.0.50 | |
| SSH server (IPv6) | VSP 4450 Series | VOSS 4.1 | 
| VSP 4900 Series | VOSS 8.1 | |
| VSP 7200 Series | VOSS 4.2.1 | |
| VSP 7400 Series | VOSS 8.0 | |
| VSP 8200 Series | VOSS 4.1 | |
| VSP 8400 Series | VOSS 4.2 | |
| VSP 8600 Series | VSP 8600 6.2 | |
| XA1400 Series | Not Supported | |
| SSH client (IPv6) | 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 | Not Supported | |
| SSH client disable | 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 4.5 | |
| XA1400 Series | VOSS 8.0.50 | |
| SSH key sizes in multiples of 1024 Note: 
                                     VOSS Releases 6.0 and 6.0.1 do not support this change. | VSP 4450 Series | VOSS 5.1.2 | 
| VSP 4900 Series | VOSS 8.1 | |
| VSP 7200 Series | VOSS 5.1.2 | |
| VSP 7400 Series | VOSS 8.0 | |
| VSP 8200 Series | VOSS 5.1.2 | |
| VSP 8400 Series | VOSS 5.1.2 | |
| VSP 8600 Series | VSP 8600 6.1 | |
| XA1400 Series | VOSS 8.0.50 | |
| SSH rekey | VSP 4450 Series | VOSS 5.1 | 
| VSP 4900 Series | VOSS 8.1 | |
| VSP 7200 Series | VOSS 5.1 | |
| VSP 7400 Series | VOSS 8.0 | |
| VSP 8200 Series | VOSS 5.1 | |
| VSP 8400 Series | VOSS 5.1 | |
| VSP 8600 Series | VSP 8600 6.1 | |
| XA1400 Series | VOSS 8.1 |