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The Adaptive Filter Configuration (AFC) state enables the Threat Suppression Engine to automatically manage a device. This feature protects against the potential adverse effects of a filter that interacts poorly with the network environment.
At the filter level, you have the option to disable adaptive filtering so that a filter is never impacted by the adaptive filter settings on a device. Learn more: Adaptive filtering.
You can also view the filters most recently affected by adaptive filtering in the Adaptive Filter List, and re-enable the filter state. Learn more: View AFC filters.
  1. Select Devices → All Devices → device, and then click Device Configuration.
  2. Select AFC Settings.
  3. Select the AFC setting:
    • Auto — This setting enables the device to automatically disable the defective filter and generate a system message.
    • Manual — This setting enables the device to generate a system message regarding the filter. However, the filter is not disabled.
  4. Select the severity of the system log message that is automatically generated when a filter triggers the AFC setting configured on a filter.
  5. Click OK.