283ViewsSystem viewPredefined user rolesnetwork-adminParametersfile-name: Specifies the file name, a case-sensitive string of 1 to 127 characters. The activation filemust be valid and stored on the device.slot slot-number: Specifies the member ID of an IRF member device.Usage guidelinesTo install a license activation file successfully, make sure the SN and DID used for registering thefeature license matches the current SN and DID of the device.You can install the activation files of multiple licenses for a feature. The feature can be used as longas one of the licenses is valid.Activation files are device locked. A licensed feature can run on the entire system even after an MPUreplacement.Examples# Install the activation file 20110812.ak to IRF member device 2. system-view[Sysname] license activation-file install flash:\license\20110812.ak slot 2This operation might take some time. Do not perform any other operations until the operationis completed or a failure message is displayed. Please wait...Related commands• display license activation-file• display license device-id• license activation-file uninstalllicense activation-file uninstallUse license activation-file uninstall to uninstall an activation file.Syntaxlicense activation-file uninstall file-name slot slot-numberViewsSystem viewPredefined user rolesnetwork-adminParametersfile-name: Specifies the file name, a case-sensitive string of 1 to 127 characters. The activation filemust not be expired.slot slot-number: Specifies the member ID of an IRF member device.Usage guidelinesIf the activation files for all licenses for a feature are uninstalled or expired, the feature is unavailable.