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Cisco Bug: CSCuo44164 - PRSM "top N" reports are truncated at 50 entries. This is too small.

Last Modified

Sep 11, 2015

Products (1)

  • Cisco ASA Next-Generation Firewall Services

Known Affected Releases

9.2(0)

Description (partial)

Symptom:
Top N reports may contain fewer results than expected. At most 50 unique report rows in any 5 minute period are saved for long term storage. 

Top N reports are saved every 5 minutes starting at the top of each hour. No more than the top 50 unique rows for a given top N report are saved, the rest are discarded. 

For example, if events for application1 - application100 are detected between 05:10 and 05:15, then at 05:15 only the 50 applications with the most events are saved for the top N application report. If events for application50-application150 are detected between 05:15 and 05:20, then only 50 of these applications will be saved. As a result there may be anywhere from 50 - 100 total records saved, instead of 150. This restriction does not apply to the event viewer, so it is possible that an event can be found in the viewer but not appear in the reports. Users should be aware that top N reports may not show all of the events which have occurred.

Conditions:
Affects all standalone ASA CX and PRSM off-box management versions.
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