Linux Go NIC Adaptive

To view network card status:
Ethtool eth0//Query eth* network Port Basic settings can be checked to see if the duplex rate is adaptive and other information

Set the NIC duplex rate to self-adapt:
Ethtool settings can be saved via/etc/sysconfig/network-scripts/ifcfg-eth0 file
To activate the option the next time the device starts, add the following line:
Ethtool_opts= "Speed of duplex full Autoneg off"

If the command line is:
Ethtool-s eth0 Speed-duplex full Autoneg off

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Configuring Gigabit Full Duplex

Ethtool-s eth0 speed, duplex full autoneg on
/etc/sysconfig/network-scripts/ifcfg-eth0
ethtool_opts= "Speed Duplex full Autoneg on"

# sar-n DEV 1 100 See network card traffic

Linux Go NIC Adaptive