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Cisco Bug: CSCum54276 - IO Buffer leak at SCTP

Last Modified

Apr 18, 2019

Products (74)

  • Cisco IOS
  • Cisco 886VA-CUBE Integrated Services Router
  • Cisco VG204XM Analog Voice Gateway
  • Cisco C897VA Integrated Services Router
  • Cisco C892FSP Integrated Services Router
  • Cisco 881SRSTW Integrated Services Router
  • Cisco 1905 Serial Integrated Services Router
  • Cisco 886VAG 3G Integrated Services Router
  • Cisco 892W Integrated Services Router
  • Cisco 2951 Integrated Services Router
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Known Affected Releases

15.3(3)M

Description (partial)

Symptom:
Cisco router may experience an I/O memory leak used by SCTP.

Conditions:
The issue is seen when ip sla auto register / discovery is configured.  Here are a few ways to trigger the leak.

1) The issue can be reproduced easily when the auto register / discovery destination is not reachable address
2) It also was seen when the link between sender/responder is brought down and brought up again (shut/no shut)
3) It is also seen when you unconfigure and reconfigure either sender or responder
4) The leak was not prominent when auto register destination was reachable provided steps 2 & 3 do not happen often
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Known Fixed Releases
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