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Cisco Bug: CSCuw36887 - Crash with with Flexible Netflow enabled

Last Modified

Feb 14, 2018

Products (25)

  • Cisco IOS
  • Cisco ASR 901-6CZ-FS-D Router
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ASR 901S-4SG-F-D Router
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco ASR 901S-2SG-F-D Router
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901S-2SG-F-AH Router
  • Cisco ASR 901-6CZ-FT-A Router
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Known Affected Releases

15.4(3)S

Description (partial)

Symptom:
A crash is seen with flexible netflow enabled

Conditions:
The exact conditions are still being investigated. The bellow configs were added when the crash was seen:

flow exporter FlowExporter1
  destination xxx.xxx.xxx.xxx
  transport udp 2055
  export-protocol netflow-v9
  source Loopback0
flow record FlowRecord1
  match ipv4 section payload size 900
  match transport udp destination-port
  match ipv4 destination address
  match ipv4 source address
  collect counter packets
flow monitor FlowMonitor1
  record FlowRecord1
  cache type immediate
  cache entries 1000
  exporter FlowExporter1
interface G0/0/0
  ip flow monitor FlowMonitorFlex input
  ip flow monitor FlowMonitorFlex output
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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