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Cisco Bug: CSCuj05988 - Port interface moves to pause frame error-disable

Last Modified

Jan 29, 2017

Products (3)

  • Cisco Nexus 4000 Series Switches
  • Cisco Nexus 4001I Switch Module for IBM BladeCenter
  • Cisco NX-OS Software

Known Affected Releases

4.1(2)E1(1j) 4.1(2)E1(1k)

Description (partial)

Symptom:
Frequent error disabling of port because of excessive pause frames.

Conditions:
The (new) Qlogic adapter can send pause frames every microsecond and consequently, can send 1000 pause frames in 1 millisecond. In the worst case scenario, this can occur for 3 seconds.
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