30 3A 15 78 = 78 15 3A 30 = 78153A30 Refer to the original discussion, we need to put inverted value of the license type mark (AES+DES+UR = 0x00000039) to the beginning of the SN we have just converted. The following message includes the specific time-based activation key that is about to expire:%ASA-4-444005: Timebased license key 0x8c9911ff 0x715d6ce9 0x590258cb 0xc74c922b 0x17fc9a will expire in 29 days.ĭEC( 809112952)=HEX( 0x 30 3A 15 78) Secondly, we need to make the inversion of the digits. Time-Based Key Expiration When a time-base key is within 30 days of expiration, ASA generates daily system log messages to alert you of that fact. Time-based features show the remaining number of days before expiration even if you enable one of these features via the permanent key later on, the countdown will continue until the applicable time-based key expires or becomes deactivated manually. Features denoted as perpetual come from the permanent activation key these licenses never expire. Both activation keys appear at the top of the output. Example 3-1 illustrates a Cisco ASA that derives its feature set from the permanent and one time-based activation keys. This way, you can configure a total of 22 virtual contexts by adding a time-based license for 20 contexts to a Cisco ASA 5515-X with the permanent Base License for 2 contexts. Even though these core features do not require an explicit activation key, one usually comes installed anyway. Permanent and Time-Based Activation Keys Every Cisco ASA model comes with a certain set of basic features and capacities enabled by default the Base License permanently activates these features on the particular platform.

All features encoded in a particular key always have the same licensed duration, so activation keys can be classified as permanent or time-based.

You can request and apply another key with a different set of features to the same Cisco ASA device at any future point in time. After Cisco generates a key for a given device, you cannot separate individual features from this licensed package.

The complete set of activation keys resides in a hidden partition of the built-in flash device of a Cisco ASA other nonvolatile internal memory structures maintain a backup copy of that information. Each activation key is only valid for the particular hardware platform with the specific encoded serial number.

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