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Cisco Bug: CSCvu67848 - FIA IPT.Interrupt_Register.LargeLatencyPktDrop Errors on NCS6K

Last Modified

Sep 02, 2020

Products (1)

  • Cisco Network Convergence System 6000 Series Routers

Known Affected Releases


Description (partial)

Recurring IPT.Interrupt_Register.LargeLatencyPktDrop errors (non-errors) of some FIAs on 2T LCs on the NCS6K.

NCS-6000, NC6-20X100GE-L-C, 0/0/CPU0, fia[4]
Name            : IPT.Interrupt_Register.LargeLatencyPktDrop
Leaf ID         : 0x2e034008
Error count     : 7320360
Last clearing   : Mon Apr 27 07:58:25 2020
Last N errors   : 50

Jun  4 04:07:27.727148:              Name  Address     Value
                      Max_Latency1588_Pkt 0x1a000000075c 0x00000000000000000000000000000000

Seen on NCS6K with 2T line cards running versions 6.6.1, 7.0.1, and 7.1.1.
The issue is only seen on line cards that have no interfaces up on them or any traffic flows through the FIA/slice.
There is no impact from these errors.
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Bug Details Include

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