RE: [Xen-users] XCP and vswitch

[Rob Hoes <Rob.Hoes@xxxxxxxxxx>]

Hi Angel,

With vSwitch, every server still has its own switch, but it allows switches on 
multiple servers to be controlled through a central controller. If you look at 
a collection of xcp servers as a single entity (pool), such a controller is 
able to provide an abstraction for the switches inside the servers, so it looks 
like one big switch. This central controller is not part of the open source xcp 
package.

The implementation of vswitch in xcp is still very new, and unfortunately there 
is not a lot of documentation yet. All the XenAPI networking functionality, 
however, abstracts from the underlying implementation (linux bridging or 
vswitch), so if you use this, you do not have to worry about the details. I 
haven't really looked at the xsconsole extension yet, but I suppose it just 
provides some more fine-grained control for the vSwitch of the server it runs 
on.

Cheers,
Rob

-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Angel L. Mateo
Sent: 18 February 2010 09:37
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] XCP and vswitch

On 16/02/10 22:39, Dave Scott wrote:
>> Try openvswitch.org
>
> :)
>
> To add more colour: XCP uses the vswitch for all guest traffic by default, 
> rather than the vanilla linux bridging code. This means that you should be 
> able to use any vswitch/OpenFlow-capable tool on an XCP host.
>
        But then, what is the configuration under Network and Management 
Interface -> vSwitch of the xsconsole?

        As far as I know (just a little bit) vSwitch (at least, vmware v1000 
and vswitch says it is like v1000) is to create a virtual switch, shared 
by all of the virtualization servers, not just a replacement of vanilla 
bridge (where each virtualization servers has its own and independent 
bridge). Do I have to configure any for this in xcp? How? (I haven't 
found any mention to vswitch in xcp documentation)

-- 
Angel L. Mateo Martínez
Sección de Telemática
Área de Tecnologías de la Información       _o)
y las Comunicaciones Aplicadas (ATICA)      / \\
http://www.um.es/atica                    _(___V
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