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How Do I Disable PFC Through One Click When a Fault Occurs?
If you want to globally disable PFC after a PFC-triggered fault, for example, a PFC deadlock, occurs, run the dcb pfc global disable command.
<HUAWEI> system-view [~HUAWEI] dcb pfc global disable Warning: This command will disable PFC on all ports. Continue? [Y/N]: y [*HUAWEI] commit
By default, PFC is enabled globally. You can enable PFC on a specified interface only after PFC has been enabled globally. After the dcb pfc global disable command is run to disable PFC globally, PFC is also disabled on the interface where it has been enabled. In this case, the PFC configuration on the interface cannot be added or changed. However, you can run the undo dcb pfc enable command to disable PFC on an interface. After you run the undo dcb pfc global disable command to enable PFC globally, PFC will take effect on interfaces where the dcb pfc enable command has been configured.