Re: [Xen-users] Xen Networking

[Vinicius Kwiecien Ruoso <vinicius.ruoso@xxxxxxxxx>]

Perfect. Thanks a lot for this explanation Simon!

2012/9/14 Simon Hobson <linux@xxxxxxxxxxxxxxxx>:
> Vinicius Kwiecien Ruoso wrote:
>
>> Assume I'm going to create a new VM,
>> and it will have the same parameters as this one (bridge eth0). I
>> should create another bridge (xenbr1), or it will automatically use
>> the existing bridge (xenbr0)?
>
>
> Normally you would want to be using the same network setup. So when
> specifying the VIF entry for the new VM, specify the same xenbr0.
>
> It may help to take a step back and consider what all this represents. The
> bridge is analogous to a physical switch. The VM is analogous to a physical
> box. And if you don't do anything special in the Dom0 then that isn't really
> analogous to anything - but if doing NAT, then it's analogous to a
> standalone router doing NAT.
>
> So having got your standalone router doing NAT, and a physical switch
> allowing devices to be connected to it, you can connect multiple servers to
> that same switch. In the same way, once you've got the Dom0 with NAT and a
> bridge running, you can connect multiple VMs to the one bridge.
>
> --
> Simon Hobson
>
> Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
> author Gladys Hobson. Novels - poetry - short stories - ideal as
> Christmas stocking fillers. Some available as e-books.
>
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