About the Device Management Page
The page provides you with range of information and options.
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                View By—View devices based on group, licenses, model, version, or access control policy. 
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                Device State—View devices based on state (Error, Warning, etc.). You can click on a state icon to view the devices belonging to it. The number of devices belonging to the states are provided within brackets. 
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                Search Device—Search for a device by device name, host name, or IP address. 
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                Add—Add devices and other manageable components. 
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                Columns—Click the column head to sort by that column. - 
                        Name 
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                        Model 
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                        Version 
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                        Chassis—For supported models, click Manage to bring up the integrated Chassis Manager. For the Firepower 4100/9300, the link cross-launches the Firewall Chassis Manager. 
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                        Licenses 
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                        Access Control Policy—Click on the link in the Access Control Policy column to view the policy that is deployed to the device. 
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                        Auto-Rollback—Shows whether auto-rollback of the configuration is enabled (  ) or disabled ) or disabled ) if the deployment causes the management connection to go down. See
                                Edit Deployment Settings. ) if the deployment causes the management connection to go down. See
                                Edit Deployment Settings.
 
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                Edit—For each device, use the Edit (  ) icon to edit the device settings. ) icon to edit the device settings.You can also just click on the device name or IP address. 
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                More—For each device, click the More (  ) icon to execute other actions: ) icon to execute other actions:- 
                        Packet Tracer—To navigate to the packet tracer page for examining policy configuration on the device by injecting a model packet into the system. 
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                        Packet Capture—To navigate to the packet capture page, where, you can view the verdicts and actions the system takes while processing a packet. 
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                        Revert Upgrade—To revert the upgrade and configuration changes that were made after the last upgrade. This action results in restoring the device to the version that was before the upgrade. 
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                        Health Monitor—To navigate to the device's health monitoring page. 
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                        Troubleshoot Files—Generate troubleshooting files, where you can choose the type of data to be included in the report. 
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                        Generate Template from Device—Generate a new device template from a registered device. The new template has the same configuration as the device from which it is generated. You can generate a new device template from standalone and HA devices. However, if you generate a template from HA devices, the new template will not contain the failover configurations. 
 
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