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Cisco Bug: CSCtf04996 - 3750 silently drops packet after enable trust DSCP on the uplink

Last Modified

Jan 23, 2017

Products (1)

  • Cisco Catalyst 3750 Series Switches

Known Affected Releases

12.2(44)SE2

Description (partial)

Symptom:
voice signalling packet got dropped silently and intermittently

Conditions:
issue happened after marking all the signally traffic to EF and have mls trust DSCP on the uplink
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