Hi Ben, Thanks for your reply. I tried on my ubuntu. The ethtool also doesn't work.
Here is the output. sudo ethtool -s s1-eth1 speed 100 Cannot set new settings: Operation not supported not setting speed Does this mean the virtual NIC doesn't support changing the link speed? I asked one of my friends he said the command works fine with his physical NIC. Cause I'm using ubuntu as the virtual machine with my Mac, I don't have any physical NIC to test it out. My ubuntu is 12.04.0. Many thanks On Sat, Sep 20, 2014 at 2:26 PM, Ben Pfaff <b...@nicira.com> wrote: > On Sat, Sep 20, 2014 at 02:22:18PM -0400, tim huang wrote: > > Is there any way to change to link_speed ? I tried a lot command like > > sudo ovs-vsctl add-port s1 eth0 link_speed=10000. It doesn't work. I also > > found some mails 1 or 2 years ago asking same question, the reply for the > > question at that time is no way to change it. How about now? If we can't > > change the link_speed from the CLI, how about changing it from the > source > > code? Any hint for this question. > > OVS only reports link speed. Use normal system tools (ifconfig, > ethtool, whatever) to change link speed > -- Thanks Tim
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