[rhelv6-list] Adding ethtool options to ifcfg-ethX

[Bill Nottingham]

carlopmart (carlopmart at gmail.com) said: 
> On 04/04/2011 08:02 PM, Bill Nottingham wrote:
> >carlopmart (carlopmart at gmail.com) said:
> >>  I need to add some ethtool options to a specific interface. I see
> >>in /etc/sysconfig/network-scripts/ifup-eth file that I could do it
> >>using ETHTOOL_OPTS variable under ifcfg-ethX config file. But I only
> >>see to pass ethtool options with "-s" flag and I need to pass "-G"
> >>options like:
> >>
> >>"ethtool -G eth1 rx 1024 tx 1024".
> >>
> >>  Is it possible to do with ifcfg-ethX config file or do I need to
> >>put ethtool command under rc.local??
> >
> >It is not currently possible with ifcfg-ethX... you can do it in
> >a udev rule, or rc.local, or your own custom init script. A udev
> >rule would be my preference, as that's conceptually the right place
> >for it (ties it to the device, etc.)
> 
> Thanks Bill. Where can I find some sample to do this under RHEL6??

An example:

/etc/udev/rules.d/71-ethtool.rules:
...
SUBSYSTEM=="net", ACTION=="add", NAME=="eth0", RUN+="/sbin/ethtool -G eth1 rx 1024 tx 1024"
SUBSYSTEM=="net", ACTION=="add", NAME=="eth3", RUN+="/sbin/ethtool eth1 -s wol a"

Bill