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Cisco Bug: CSCuj36504 - Stack overrun with RTP traffic: Stack for process IP Input running low

Last Modified

Jul 26, 2020

Products (1)

  • Cisco IOS

Known Affected Releases

15.2(4)M4.3

Description (partial)

Symptom:
A crash is seen due to the IP Input's stack being consumed:

%SYS-6-STACKLOW: Stack for process IP Input running low, 0/12000

%Software-forced reload

Conditions:
This issue is seen with RTP traffic. A media/voice loop causes the stack to be consumed resulting in a crash. The exact conditions is still being investigated.
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