Ethtool reports 'unknown' or 'other' port status on Netxen NX3031 Multifunction 1/10-Gigabit Server Adapter

Solution Unverified - Updated -

Issue

  • Ethtool reports the port status of a link is Unknown
# ethtool eth12
Settings for eth12:
    Supported ports: [ TP FIBRE ]
    Supported link modes:   10000baseT/Full 
    Supports auto-negotiation: No
    Advertised link modes:  10000baseT/Full 
    Advertised auto-negotiation: No
    Speed: 10000Mb/s
    Duplex: Full
    Port: Unknown! (255)     <--------------
    PHYAD: 0
    Transceiver: external
    Auto-negotiation: off
    Supports Wake-on: g
    Wake-on: g
    Link detected: no

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • NetXen Incorporated NX3031 Multifunction 1/10-Gigabit Server Adapter

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