Skip to main content
NetApp Knowledge Base

CONTAP-184406: CRC/Excessive link Errors on XL710 40GbE port, connected to Mellanox Switch, after ONTAP reboot

  1. Last updated
    Apr 24, 2025
  2. Save as PDF
Views:
90
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
core
Last Updated:
4/24/2025, 2:18:21 PM

Issue

  • ONTAP event messages for CRC errors:
    [vifmgr: vifmgr.cluscheck.hwerrors:alert]: Port e1a on node xxx is reporting a high number (at least 1 per 1000 packets) of observed hardware errors (CRC, length, alignment, dropped).
    [intr: netif.linkErrors:error]: Excessive link errors on network interface e1a. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch.
    [intr: netif.linkErrors:error]: Excessive link errors on network interface e1a. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch.

  • [Ifstat] output with high amount of CRC errors:
    interface e1a (13 hours, 30 minutes, 32 seconds) –
    RECEIVE
    Total frames: 29544k | Frames/second: 608 | Total bytes: 61927m
    Bytes/second: 1273k | Total errors: 4430k | Errors/minute: 5467 <<<<
    Total discards: 0 | Discards/minute: 0 | Multi/broadcast: 87724
    Non-primary u/c: 0 | CRC errors: 4430k | Runt frames: 0 <<<<
    ...
    Noproto: 0 | Error symbol: 0 | Illegal symbol: 708 <<<<

 

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.