On Fri, 24 Aug 2012 16:32:48 +0000 (UTC)
Markus Ose <[email protected]> wrote:

> I´m a Network Engineer and Freelancer and I`m a newbie on both sides,
> Ubuntu and Open vSwitch. My intention is to get a deeper experience in
> network virtualization  and therefore I want to install Open vSwitch
> on my Ubuntu 12.04 host. I followed the installation description from
> this link  *
> http://blog.allanglesit.com/2012/03/linux-kvm-ubuntu-12-04-with-openvswitch/
> *  but I don´t get running the  *brcompat* modul.
> The module seems to be available, but it´s not loaded.

For what purpose do you intend to use this module?

As I understand it, the only thing brcompat enables is to control
openvswitch with native brctl commands. You don't need it if you
simply use the ovs-vsctl program to take care of all the device
management. I think I even remember reading Ben Pfaff's suggestion
somewhere to not use the module at all, unless you really need to. If
you want to learn OpenVSwitch, best to learn it with its own set of
tools.

The man page ovs-vsctl(8) is quite elaborate, I will happily admit that
I (too) still have a long list of questions, much remains unclear for
now. But the effort in learning OpenVSwitch is certainly worth it.

If you still think that you absolutely need (or want) brcompat to be
loaded, do make sure that you have not loaded the bridge module. In
fact, bridge shouldn't even be loaded if you have loaded openvswitch
into the kernel.

Fréderich.

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