Re: [Xen-users] Virtual switches

[Geoff Kirk <geoff.k@xxxxxxxxxxxxxxxxxxx>]

Hi,

Could this be what your asking? This sounds like something i've just 
setup with vlans using this guide and scripts
http://renial.net/weblog/2007/02/27/xen-vlan/

I edited the script "scripts/network-multi-vlan" to look like

   dir=$(dirname "$0")
   "$dir/network-bridge" "$@" vifnum=0
   "$dir/network-bridge-vlan" "$@" vlan=2

i then removed  eth0.2 from the vlanbr2 which prevents the rest of my 
physical machines reaching the ip's and created a domU named gateway 
with 2 vifs one connected to xenbr0 and one connected to vlanbr2 like this.
   vif = [ 'mac=00:16:3E:00:00:26, bridge=xenbr0, 
vifname=gateway.0','mac=00:16:3E:00:02:10, bridge=vlanbr2, 
vifname=gateway.1' ]
then i have 2 more domU's connected to the vlanbr2 that appear only to 
be accessible from by passing through the gateway or internally. Its all 
new to me though and i dare not say its secure any further advice would 
be welcome on that.
xen5etch:~# brctl show
bridge name     bridge id               STP enabled     interfaces
vlanbr2         8000.feffffffffff       no              gateway.1
                                                                       
netserv.0
                                                                       
net1.0
xenbr0          8000.feffffffffff       no              vif0.0
                                                                       
peth0
                                                                       
gateway.0
Hopefuly this is helpful.

Geoff

karhong.ng@xxxxxxx wrote:
> Hi,
>
> [1]
> Are there guides for setting up a virtual switch for use in between 
> guest domains in Xen ?
> [2]
> In Xen, is it possible for a guest domain to perform a initial dhcp IP 
> lookup from another guest domain ?
> How are the configurations like ?
>
> Are there references or step procedures ?
>
> Kindly advice.
> Thanks.
>
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