View a license revocation code

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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.

Other related questions:
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 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.

How do I obtain the license revocation code of an AR
When you adjust the license between devices or want to change the license when the original license is incompatible on the upgraded device, run the license revoke command to revoke the existing license. The system then returns a license revocation code. Then use the license revocation code to apply for a new license file, and activate the new license file to the device during the trial period. You can use the following methods to obtain a license revocation code: 1. Run the license revoke command. Then obtain the license revocation code in the displayed message. Before running the license revoke command, note the following points: (1) Contact agents and check whether the license can be replaced. For example, determine whether the new license file can be obtained. (2) Contact Huawei technical support personnel. (3) Running the license revoke command causes the license file to be in trial state. The trial period is 60 days. If the trial period is reached, services are interrupted. Exercise caution when you run the license revoke command. 2. After the license is revoked, run the display license revoke-ticket command to view 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.

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