[ovs-dev] [PATCH] OVS: add some tips for kvm guest env

[Zhi Yong Wu]

Yes

# ovs-vsctl show
a9dc55a3-6755-4b91-957a-75cd9f27692e
    Bridge "br0"
        Port "em1"
            Interface "em1"
        Port "br0"
            Interface "br0"
                type: internal


On Fri, May 31, 2013 at 6:17 AM, Ben Pfaff <blp at nicira.com> wrote:
> Is em1 on bridge br0?
>
> On Fri, May 31, 2013 at 05:59:32AM +0800, Zhi Yong Wu wrote:
>> I tried to install OVS on my workstation, before starting kvm guest,
>> its route table is below:
>> default via 9.115.122.1 dev em1
>> 9.115.122.0/24 dev em1  scope link
>>
>> then i started kvm guest:
>> qemu-system-x86_64 -drive
>> file=/home/zwu/misc/image/debian_squeeze_i386_desktop.qcow2,if=virtio
>> -kernel arch/x86/boot/bzImage -append root=/dev/vda1 rw console=ttyS0
>> -drive file=/btrfs.img,if=virtio -drive file=/btrfs1.img,if=virtio
>> -drive file=/btrfs2.img,if=virtio -drive file=/btrfs3.img,if=virtio
>> -nographic -S -s -m 10240M
>>
>> After kvm guest is started up, i tried to ping the host in kvm guest,
>> but it failed.
>> After i changed its route on the host as below:
>> default via 9.115.122.1 dev br0
>> 9.115.122.0/24 dev br0  scope link
>> I again tried the host in kvm guest, and it can work.
>>
>> Is it clear to you?
>>
>>
>> On Fri, May 31, 2013 at 5:47 AM, Ben Pfaff <blp at nicira.com> wrote:
>> > I don't know.  I think that you would have to describe your scenario,
>> > before we can say what (if anything) you are doing wrong.
>> >
>> > On Fri, May 31, 2013 at 05:45:06AM +0800, Zhi Yong Wu wrote:
>> >> If i don't add such a route, it seem to not work, do i miss other something?
>> >>
>> >> On Fri, May 31, 2013 at 2:23 AM, Ben Pfaff <blp at nicira.com> wrote:
>> >> > On Thu, May 30, 2013 at 06:40:26PM +0800, zwu.kernel at gmail.com wrote:
>> >> >> From: Zhi Yong Wu <wuzhy at linux.vnet.ibm.com>
>> >> >>
>> >> >>   Add some tips for kvm guest; You know, it is a bit difficult
>> >> >> to play for one starter if no such tips exist.
>> >> >>
>> >> >> Signed-off-by: Zhi Yong Wu <wuzhy at linux.vnet.ibm.com>
>> >> >
>> >> > It isn't normally necessary to add such a route.
>> >>
>> >>
>> >>
>> >> --
>> >> Regards,
>> >>
>> >> Zhi Yong Wu
>>
>>
>>
>> --
>> Regards,
>>
>> Zhi Yong Wu



-- 
Regards,

Zhi Yong Wu