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

  1. Last updated
    Apr 24, 2025
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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 <<<<

 

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