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Cisco Bug: CSCvv51048 - Memory leak "AAA SESS ATTR"

Last Modified

Sep 23, 2020

Products (1)

  • Cisco IOS

Known Affected Releases

16.9.2 16.9.5

Description (partial)

The affected device increases its memory usage over time, to monitor memory use:
 - show process memory sorted

The process holding the largest amount of memory is "AAA Server":

<div style="font-family:courier;white-space:pre;">
------------------ show process memory sorted ------------------

 PID TTY  Allocated      Freed    Holding    Getbufs    Retbufs Process
 276   0 6176300808  841005336  568073008          0          0 AAA Server

The 'show tech' output displays the top 100 allocators and the highest total and count value is for "AAA SESS ATTR get":

<div style="font-family:courier;white-space:pre;">
-------------- Top 100 allocator pc summary -----------

Allocator PC Summary for: Processor

   Total      Count     Name               PC
569419600  3426635  AAA SESS ATTR get      iosd_shr_m_uk9_AAA_Core_crb:7F57C3348000+61D214    
220478080  1356762  AAA ID list data       iosd_shr_m_uk9_AAA_Core_crb:7F57C3348000+632A40 

The device is configured with AAA, Radius and PPP.
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