About FXOS Security Modules/Security Engine
From the Security Modules/Security Engine page of the Firepower Chassis Manager, you can view the status of a security module/engine and can perform various functions on the security module/engine:
The Security Modules/Security Engine page provides the following information:
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Hardware State—Shows the state of the security module/engine hardware.
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Up—The security module/engine has powered up successfully and is not showing any hardware faults.
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Booting Up—The security module/engine is in the process of powering up.
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Down—The security module/engine is not powered on or a hardware fault is preventing the security module/engine from starting successfully.
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Unassociated—The security module/engine does not have a logical device associated with it.
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Mismatch—The security module has been decommissioned or a new security module was installed into the slot. Use the Recommission or Acknowledge function to return the security module to a functioning state.
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Service State—Shows the state of the software on the security module/engine:
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Not-available—The security module has been removed from the chassis slot. Reinstall the security module to return it to its normal operational state.
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Offline—The security module/engine is installed but has been decommissioned, has been powered off, or is still in the process of powering up.
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Online—The security module/engine is installed and is in normal operation mode.
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Not Responding—The security module/engine is unresponsive.
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Token Mismatch—Indicates that a security module other than the one previously configured has been installed into the chassis slot. This could also be caused by a software installation error. Use the Reinitialize function to return the security module to a functioning state.
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Fault—The security module/engine is in a fault state. Review the system fault listing for more information about what might be causing the fault state.
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Power—Shows the power status of the security module/engine:
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On—Use the Power off/on function to toggle the power status for the security module/engine.
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Off—Use the Power off/on function to toggle the power status for the security module/engine.
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Application—Shows the logical device type that is installed on the security module/engine.
From the Security Modules/Security Engine page of the Firepower Chassis Manager, you can perform the following functions on a security module/engine:
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Decommission/Recommission (security modules only)—Decommissioning a security module places the security module into maintenance mode. You can also decommission and then recommission a security module in order to correct certain fault states. See Decommissioning/Recommissioning a Security Module.
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Acknowledge—Brings newly installed security modules online. See Acknowledging a Security Module/Engine.
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Power Cycle—Restarts the security module/engine. See Resetting a Security Module/Engine.
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Reinitialize—Reformats the security module/engine hard disk, removing all deployed applications and configurations from the security module/engine, and then restarts the system. After reinitialization is complete, if a logical device is configured for the security module/engine, the Firepower eXtensible Operating System will reinstall the application software, redeploy the logical device, and auto start the application. See Reinitializing a Security Module/Engine.
Warning
All application data on the security module/engine is deleted during reinitialization. Please back up all application data before reinitializing a security module/engine.
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Power off/on—Toggles the power state for the security module/engine. See Power Off/On an Installed Module/Engine.