how to change the auto-negotiation to yes in linux servers
14,610
The
/etc/sysconfig/network-scripts/ifcfg-eth0
files can have the ethtool settings added to them so that the settings are saved and used every time the device is activated.
Config file option
ETHTOOL_OPTS="speed <100|1000|10000> duplex <half|full> autoneg <on|off>"
Add this line at the end of your configuration file :
ETHTOOL_OPTS="speed 1000 duplex full autoneg on"
and
/etc/init.d/network restart
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Author by
dandan
Updated on September 18, 2022Comments
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dandan almost 2 years
when I run the ethtool command on eth0 ( on VM machine redhat version 6.7 )
I see Supports auto-negotiation: No
can we change this to - auto-negotiation: yes ? , is it configurable?
ethtool eth0 Settings for eth0: Supported ports: [ TP ] Supported link modes: 1000baseT/Full 10000baseT/Full Supported pause frame use: No Supports auto-negotiation: No Advertised link modes: Not reported Advertised pause frame use: No Advertised auto-negotiation: No Speed: 10000Mb/s Duplex: Full Port: Twisted Pair PHYAD: 0 Transceiver: internal Auto-negotiation: off MDI-X: Unknown Supports Wake-on: uag Wake-on: d Link detected: yes