On 2014-02-26 05:03, Prasant J wrote:
> Hi,
>
> I'm using linux-3.0.35 on my custom hardware (uses imx6 quad) based on
> sabresd platform. I'm using yocto root filesystem (this is a soft float
> build).
>
> I want to force my system to use 100 mbps ethernet speed even if the network
> supports 1000 mbps link. How can I enable this ?
>
> My custom hardware uses Micrel's Gigabit Ethernet PHY KSZ9021RNI.
>
> I can change the network speed (by ssh-ing into the linux system) using:
> ethtool -s eth0 autoneg off speed 100
> but I want network speed of 100 mbps when network is initialized during
> startup.
>
> Any inputs will be of help.
If you are using init-ifupdown to manage the network, you can
change /etc/network/interfaces to look something like this:
auto eth0
iface eth0 inet dhcp
pre-up ethtool -s eth0 speed 100 duplex full autoneg off
--
------------------------------------------------------------
Gary Thomas | Consulting for the
MLB Associates | Embedded world
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