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CONTAP-53314: Tx total errors count of an interface group port in "ifstat" output might not correlate with respective counts of member ports

  1. Last updated
    Apr 2, 2025
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303
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
core
Last Updated:
4/2/2025, 10:41:44 AM

Issue

  • Output of ifstat in section TRANSMIT indicates increasing Total Errors for interface group, but not for its underlying physical member ports.

Example:
RECEIVE
Total frames: 72688k | Frames/second: 266 | Total bytes: 207g
Bytes/second: 760k | Total errors: 0 | Errors/minute: 0
[...]
TRANSMIT
Total frames: 397m | Frames/second: 55169 | Total bytes: 512g
Bytes/second: 71122k | Total errors: 2720 | Errors/minute: 23
Note: Total errors on TRANSMIT increased
  • EMS finds ifgrp interface generate alert vifmgr.cluscheck.crcerrors.
    nodename::*> event log show -message-name vifmgr.cluscheck.crcerrors
    Time Node Severity Event
    • ---------------- ------------- ---------------------------
      4/22/2021 00:42:39 nodename
      ALERT vifmgr.cluscheck.crcerrors: Port a0a on nodename
      is reporting a high number of observed hardware errors, possibly CRC errors.

or
ALERT vifmgr.cluscheck.hwerrors: Port a1a on node ***** is reporting a high number (at least 1 per 1000 packets) of observed　hardware errors (CRC, length, alignment, dropped).

 

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