Re: [MirageOS-devel] Xen VIF configuration for tap devices

[Masoud Koleini <masoud.koleini@xxxxxxxxxxxxxxxx>]

I have defined 3 vifs with 3 different mac addresses for the 3 tap 
devices that I am using, and switch shows the same mac address (mac 
address of the first defined vif) assigned to both tap2 and tap3.
Another issue that I faced is, although I can ping switch vm, nothing 
appears on vifs and xenbr0 when switch starts a TCP connection to a 
remote controller (using TCPV4 create_connection function). This 
function works well for unix config.
On 26/10/14 11:43, Anil Madhavapeddy wrote:
> On 25 Oct 2014, at 11:36, Masoud Koleini <masoud.koleini@xxxxxxxxxxxxxxxx> 
> wrote:
> > Hi all,
> >
> > I have a switch with three tap devices tap0 (for the controller connection), 
> > tap1, and tap 2 running on Xen.
> >
> > What would be the right VIF configuration for Xen?
> It would be pretty much the same configuration as your tap setup.  The Xen 
> networking model is to expose a VIF ('virtual interface') in the guest and 
> dom0.  Everything else from there is host setup and can be customised -- most 
> commonly by adding a bridge to the outside world and adding the VIFs from the 
> guests to that bridge so they can communication externally.
>
> The xl setup fragment looks like:
>
>      vif = [ 'bridge=xenbr0' ]
> or
>      vif = [ 'mac=c0:ff:ee:c0:ff:ee,bridge=br0' ]
>
> -anil
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