Method used to check the license revocation code on firewalls

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You can check the license revocation code as follows:
Run the display license revoke-ticket command.

Other related questions:
View a license revocation code
Run the following command in any view to view a license revocation code: On CE12800 series switches, run the display license revoke-ticket [ chassis chassis-number ] command. On CE8800&7800&6800&5800 series switches, run the display license revoke-ticket [ slot slot-id ] command. chassis-number indicates a stacked chassis ID, and slot-id indicates a switch's slot ID. display license revoke-ticket Info: The revoke ticket is: LIC20121103006100:27C1B773ED11D9F877855CDAEE74ABFE60E07126.

How to obtain a license revocation code on the AC
A license revocation code is a character string generated after you run the license revoke command. The revocation code determines whether a license file is invalid. To obtain the revocation code, perform the following steps: - Run the license revoke command to make the current license enter the Trial state, and obtain the license revocation code. - After the license enters the Trial state, you can also run the display license revoke-ticket command to obtain the license revocation code.

How can I display license revocation codes on the SC?
To display license revocation codes on the SC, perform the following operations: 1. Run the display command to go to the display view. 2. Run the revoke-ticket command to display license revocation codes. For details, see HUAWEI SMC2.0 V500R002C00 SC Command Reference Guide.

How to query the revocation code of the U1900 license?
To query the revocation code of the U1900 license, do as follows: Run the show disabled license information command. The revocation code is displayed in the command output.

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