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Cisco Bug: CSCvs75868 - esg:destination overwhelmed messages are seen on sending high rate TCP traffic leading to iosd crash

Last Modified

Sep 01, 2020

Products (118)

  • Cisco IOS
  • Cisco Catalyst 9410R Switch
  • Cisco Catalyst 9300L-48UXG-4X-A Switch
  • Cisco Catalyst 9300L-48P-4G-E Switch
  • Cisco Catalyst C9500-32QC Switch
  • Cisco Catalyst 9300-48U-A Switch
  • Cisco Catalyst 9200L-48P-4X Switch
  • Cisco Catalyst 9300-48UXM-A Switch
  • Cisco Catalyst 9200L-48PXG-2Y Switch
  • Cisco Catalyst 9300L-48P-4X-A Switch
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Known Affected Releases

Amsterdam-17.2 Amsterdam-17.2.1 cedge-16.10.5

Description (partial)

Symptom:
Multiple notifications from the device seen on vManage mentioning "Connection allocation failed (memory chunk creation failed)" and core-dump files from fman_fp/cpp_cp_svr/ConfdD

Conditions:
With one or more UTD security features configured on the box (IPS/URL-F/AMP), a sudden surge in traffic is seen
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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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