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Cisco Bug: CSCvu06000 - ERSPAN IPv4 header DFBit setting not correct on DNX

Last Modified

Jul 21, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

7.2.1.BASE

Description (partial)

Symptom:
ERSPAN IPv4 header  DFBit setting not correct on DNX . the DNF bit is not set as expected

Conditions:
Without the dnf disable config, the DNF bit is not set in the recieved packet and with the dnf disable config present under tunnel, the DNF bit is set.  this behaviour is reverse of the expected behaviour . 
this is seen on both baseline J and now J2 cards.
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