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Cisco Bug: CSCuq46668 - VNTAG MGR mem leak on Link flap

Last Modified

Feb 14, 2018

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

15.2(1)IC273.149

Description (partial)

Symptom:
Memory Leak is seen in VNTAG manager process on FEX link flaps

6880-VSS#sh proc mem | inc VNTAG|Pool|PID
Processor Pool Total: 2704684632 Used:  419634740 Free: 2285049892
      I/O Pool Total:  268435456 Used:  209884496 Free:   58550960
 PID TTY  Allocated      Freed    Holding    Getbufs    Retbufs Process
 989   0       2488          0      33072          0        756 VNTAG MGR PROCESS

After flap.. "Holding" increases.

6880-VSS#sh proc mem | inc VNTAG|PID
 PID TTY  Allocated      Freed    Holding    Getbufs    Retbufs Process
 989   0       2488          0      33596          0        756 VNTAG MGR PROCESS


Conditions:
Cat6800 has its FEX link(s) flapping and running one of the affected releases.
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