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Cisco Bug: CSCvt47393 - PTP packets don’t seem to follow IEEE Std 1588-2008

Last Modified

May 15, 2020

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

ANNOUNCE, FOLLOWUP, Pdelay_Resp_Follow_Up   packets TWO_STEP flag is set.
Setting TWO_STEP flag in ANNOUNCE, FOLLOWUP, Pdelay_Resp_Follow_Up doesn't impact
any PTP functionality, How this violates  ieee1588_2008  specification.

Siwthc configured with below PTP modes
Boundary mode:  Default and Power profile.
TC mode :  When Packets ingresses with single  step and egress out with two step
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