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Speed/duplex mismatch on Ethernet interface or Interface Group (ifgrp)

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Applies to

  • Product Model: All FAS/V-Series models
  • OS: Data ONTAP 7-Mode or clustered Data ONTAP
  • One or more Ethernet interfaces of any speed

Issue

  • The storage system reports on one or more interfaces

    EMS
    Sat Jan 01 00:00:00 GMT [storage01: pvif_monitor: pvif.speedDuplexErr:warning]: ifgrp: vif1: Link e0a Detected speed/duplex mismatch current(1000,1) config(100,1)
    Sat Jan 01 00:00:00 GMT [storage01: vifmgr: vifmgr.portdown:notice]: A link down event was received on node storage01, port e0a.

    VIFMGR
    Sat Jan 01 00:00:00 GMT [kern_vifmgr:info:6555] [0x80a856000] [SkStackMgr::waitForPortStatus] gave up waiting for port e0a operational status to match admin status

    SYSCONFIG
    e0a MAC Address: aa:aa:aa:aa:aa:aa (auto-unknown-fd-down)

    NETWORK PORTS
    e0a link: down

  • The interface might be unreachable or there might be packet loss which could result in low throughput.

  • This might occur immediately after a link is connected, or after a period of time where no issues exist.

 

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