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Cisco Bug: CSCvt69314 - EXP copied into IP DSCP on PHP on NCS5500

Last Modified

May 29, 2020

Products (1)

  • Cisco Network Convergence System 5500 Series

Known Affected Releases


Description (partial)

MPLS EXP copied into IP DSCP on PHP on NCS5500 platform. This behavior is quite different with ASR9K platform.Although NCS5500 QoS document has explain it, but the workaround "mpls ip-ttl-propagate disable" also has side effect on traceroute result.

plain MPLS network with only one layer label
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