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Cisco Bug: CSCtb55858 - No qos rewrite on untrusted port in SXI2

Last Modified

Jan 29, 2017

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases


Description (partial)

With QoS enabled globally, interface may incorrectly behave as trust dscp.
- If traffic is ingress untrusted port, dscp may be incorrectly retained on 
- If traffic is ingress trust cos port, packet may be incorrectly treated as 
trust dscp, thus modifying COS on egress per the DSCP->COS mapping table.

- Untrusted interface config and QOS enabled globally.
- Trust Cos interface config and QOS enabled globally.
- This issue is observed in Cat6500 running 12.2(33)SX train and on Cat7600 
running 12.2(33)SR train.
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Bug Details Include

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  • Status
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