Why does the NIC resets itself and detects half duplex in Red Hat Enterprise Linux?

Solution Verified - Updated -

Issue

Why does the NIC resets itself and detects half duplex in Red Hat Enterprise Linux?

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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