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Cisco Bug: CSCun76030 - PL_Pause before PL_Stop should be enabled for MDS

Last Modified

Feb 11, 2017

Products (1)

  • Cisco MDS 9000 Series Multilayer Switches

Known Affected Releases

6.2(7)S26

Description (partial)

Symptom:
On the 48-Port 10-Gigabit FCoE module (DS-X9848-480K9), packet drop occurs when an FCoE port generates a pause frame during a congestion on a long-distance link.

Conditions:
When the distance between MDS boxes is more than 5km (long-distance) and congestion is present packet drops can be seen.
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