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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)

Frequent error disabling of port because of excessive pause frames.

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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