quick network interface renegotiation script and helper

[email protected]

# Install in /etc/systemd/system
# enable as '[email protected]'  or other interface(s)
#
[Unit]
Description=ethtool configuration to enable 2500mbps speed for the specified card
After=network-online.target
Wants=network-online.target

[Service]
ExecStart=/usr/local/sbin/renegotiate-eth %i
Type=oneshot

[Install]
WantedBy=multi-user.target

renegotiate-eth

#!/bin/bash
# put this in /usr/local/sbin
# make sure ethtool is installed and in the basic path

if [ -n "$1" ]
then
        ethtool -s "$1" autoneg off
        ethtool -s "$1" autoneg on
#       ethtool --negotiate "$1" 
        ethtool "$1" | grep Speed
else
        echo "which interface?"
        exit 1
fi