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Cisco Bug: CSCun86848 - Large no of RST/FIN-ACK on the Firewall behind the ISR from CWS Tower.

Last Modified

Feb 02, 2017

Products (74)

  • Cisco IOS
  • Cisco 1905 Serial Integrated Services Router
  • Cisco 812 CiFi Integrated Services Router
  • Cisco 861W Integrated Services Router
  • Cisco 886VA-CUBE Integrated Services Router
  • Cisco 819 Hardened Integrated Services Router
  • Cisco 888W Integrated Services Router
  • Cisco C897VA Integrated Services Router
  • Cisco 892W Integrated Services Router
  • Cisco 886VAG 3G Integrated Services Router
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Known Affected Releases

15.3(3)M

Description (partial)

Symptom:
Large no of RST/FIN-ACK received on the Firewall behind the ISR-G2 Connector from the  Primary CWS Tower.

Conditions:
When there is a Firewall behind the ISR-G2 connector.
Zone Based Firewall (ZBF) is not enabled on the CWS router.
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Bug Details Include

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