Perpetual licenses provide permanent access to Switch Engine software features. Once installed on a switch, perpetual licenses never expire and remain valid for the life of the switch. Perpetual licenses are stored in switch Flash memory and are bound to the switch serial number.
Switch Engine offers three types of perpetual licenses:
Perpetual licenses are supported on all Switch Engine universal platforms:
| Platform Series | Models | Minimum Version |
|---|---|---|
| 4000 Series | 4120, 4220 | 33.1.1 |
| 5100 Series | 5120 | 33.1.1 |
| 5300 Series | 5320 | 33.1.1 |
| 5400 Series | 5420 | 33.1.1 |
| 5500 Series | 5520 | 33.1.1 |
| 5700 Series | 5720 | 33.1.1 |
| 7500 Series | 7520 only | 33.1.1 |
| 7700 Series | 7720 | 33.1.1 |
Perpetual licenses are installed on the switch using a license activation file. See Installing and Uninstalling Licenses on Universal Switches for installation procedures.
Perpetual Software Licenses are stored in Flash memory on the switch. For detailed information on storage mechanism, validation, and recovery procedures, see Perpetual License Characteristics.
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