Red Hat Enterprise Linux 上で NIC が勝手にリセットになり、半二重を検出する理由

Solution Verified - Updated -

Issue

  • なぜ Red Hat Enterprise Linux 上で NIC が勝手にリセットになり、半二重を検出するのでしょうか?

    Jan 28 12:49:46 XXX kernel:NETDEV WATCHDOG: eth0: transmit timed out
    Jan 28 12:49:46 XXX kernel: tg3: eth0: transmit timed out, resetting
    Jan 28 12:49:47 XXX kernel: tg3: eth0:Link is down.
    Jan 28 12:49:49 XXX kernel: tg3: eth0:Link is up at 100 Mbps, half duplex.
    Jan 28 12:49:49 XXX kernel: tg3: eth0:Flow control is off for TX and off for RX.

Environment

  • Broadcom Corporation NetXtreme BCM57xx Gigabit Ethernet
  • Red Hat Enterprise Linux

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