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Cisco Bug: CSCul56971 - potential console lockup due to software flowcontrol being enabled

Last Modified

Mar 16, 2016

Products (2)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 9508 Switch

Known Affected Releases


Description (partial)

Symptom:Users are unable to access the switch via the console. The switch otherwise functions normally and is accessible via virtual terminals.

Conditions: A console server is in use, that has software flowcontrol enabled. Under rare conditions the console of the switch may be flowcontrolled and any XON lost, resulting in deadlock.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
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