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Cisco Bug: CSCvs08086 - IP precedence propagation to mpls exp not working at label imposition

Last Modified

Sep 08, 2020

Products (11)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco ASR 9910 Router
  • Cisco ASR 9922 Router
  • Cisco IOS XR Software
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9901 Router
  • Cisco ASR 9912 Router
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Known Affected Releases

6.3.3.FWDG 6.5.3.MPLS

Description (partial)

IP precedence value is not copied into mpls experimental field in case of label imposition.

The problem occurs when LFA /TI-LFA FRR is enabled and the destination prefix is protected.
RP/0/RP0/CPU0:ASR)k#show mpls forw prefix
Thu Jul 30 10:23:51.575 UTC
Local  Outgoing    Prefix             Outgoing     Next Hop        Bytes       
Label  Label       or ID              Interface                    Switched    
------ ----------- ------------------ ------------ --------------- ------------
24023  917   Hu0/1/0/3   6087442     
       917   Hu0/0/0/1   159528      
       21378   Hu0/0/0/0    0            (!) <------------- protected
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