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Cisco Bug: CSCun88815 - Memory usage and FIB adjacency not synchronized between line cards

Last Modified

May 08, 2020

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

12.2(33)SXI11.1

Description (partial)

Symptom:
-----------------------------------------------------------------------------
# show platform hardware capacity

  Processor memory: Module   Bytes:       Total           Used           %Used
                    1                 179413600      142219200             79%
                    2                 179413600      141966956             79%
                    3                 179413600      142159760             79%
                    4                 179413600      143472416             80%
                    5  RP             891876240      198709372             22%
                    5  SP             859106156      169764272             20%
                    6  RP             891884752      162104416             18%
                    6  SP             859122540      163645200             19%
                    7                 179413600      143270408             80%
                    8                 179413600      127873168             71% <<<< ~9% less than other LC
                    9                 179413600      142755784             80%

-----------------------------------------------------------------------------

#sh mls cef adjacency usage module <...>
1          Total adjacency usage:    61740
2          Total adjacency usage:    61741
3          Total adjacency usage:    61741
4          Total adjacency usage:    61741
5          Total adjacency usage:    61744
6          Total adjacency usage:    61742
7          Total adjacency usage:    61741
8          Total adjacency usage:    61512 <--- linecard 8 has ~200 adjacencies less
9          Total adjacency usage:    61741
-----------------------------------------------------------------------------

Conditions:
Whole switch was up and running for several months. After reloading Line Card 8 memory usage and number of adjacencies was different than on other line cards.
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