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Cisco Bug: CSCvj14664 - BFD CoS markings are not preserved from its DSCP

Last Modified

Jun 07, 2018

Products (1)

  • Cisco Nexus 6000 Series Switches

Known Affected Releases

7.1(3)N1(1) 7.3(2)N1(1)

Description (partial)

Symptom:
BFD traffic egresses the N6k with CoS 0 despite being marked for DSCP CS6. This can result in the traffic getting dropped in the default queue within the transit network during times of congestion (assuming transit network is trusting CoS marking only),

Conditions:
BFD feature enabled on N6k. CoS 0 tagging will occur regardless of enabled interface type.
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