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Cisco Bug: CSCvv16921 - IE4010 Unmatched-PdelFwUp and Unmatched-PdelResp errors increasing on uplinks with PTP enabled.

Last Modified

Sep 03, 2020

Products (1)

  • Cisco Industrial Ethernet 4010 Series Switches

Known Affected Releases

15.2(7)E

Description (partial)

Symptom:
Unmatched-PdelFwUp and Unmatched-PdelResp errors increasing constantly in uplinks.

show ptp port counters errors gigabitEthernet 1/26
       Port             Sanity               Blkd               Vlan             Domain          Timestamp          Parent-Id

     Gi1/26                  0                  0                  0                  0               1220                  0

       Port             Gmc-Id             Seq-Id         Sync-Fault     Unmatched-FwUp  Unmatched-DelResp     Duplicate-Sync

     Gi1/26                  0                  0                  0                  0                  0                  0

       Port Unmatched-PdelFwUp Duplicate-Announce Unmatched-PdelResp         Send-Error         Misc-Error

     Gi1/26                192                  0                192                  0                  0

#show ptp time-property
 PTP CLOCK TIME PROPERTY
  Clock Syntonized: FALSE
  Domain Syntonized: FALSE
  Scaled Fractional Frequency Offset: Unknown

Conditions:
PTP enabled on interface Gi1/26 and PTP is disabled under interface Gi1/27

Issue will also seen with PTP enabled on Gi1/25 and disabled on Gi1/28
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