Discrepancy Detection Action
The discrepancy detection action is a Network Integrity operation that compares discovery and import scan results, and reports on their differences by generating discrepancies.
A detection action triggers to run immediately following a discovery, import, or assimilation scan run. (Select the Detect Discrepancy check box in the scan configuration to set the trigger.) The entity results from the triggering scan run become the Compare entities for the detection action. The action then uses a matching algorithm to find from the other side, and precedes with the comparisons.
See "About the Compare and Reference Sides" for a fuller description of the two sides of entities of discrepancy detection.
See "About the Base Detection Cartridge and the Default Comparison Algorithm" for a description of the comparison algorithm.
Create a discrepancy detection action whenever new discovery, import, or assimilation actions are created, because every detection action is configured to receive results from specific actions only. See "Result Source" for more information.
Figure 11-1 illustrates a Cisco router discovery action that produces results in 2 categories: Device and VPN. Two separate detection actions are written to compare the results. Each detection action specifies a result source with the same Action, but different result category. For example, the Device Discrepancy Detection Action receives results of Device category only.
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