Re: [Xen-users] can't get multiple VLANs to work

[Tomasz Chmielewski <mangoo@xxxxxxxx>]

Sébastien CRAMATTE wrote:
> Angel L. Mateo a écrit :
> > Hello,
> >
> >     I have Xen running with domUs in different VLAN's. I have xen on a
> > debian sarge server. My configuration is:
> >
> > * In dom0, I have a bridge for each vlan (different than the native vlan
> > of interface eth0, that I don't need to tag). For each vlan the
> > configuration is (for vlan 302):
> >
> > vconfig add eth0 302
> > /etc/xen/scripts/network-bridge start netdev=eth0.302 bridge=xen-br302
> > antispoof=no
> > /sbin/ifconfig eth0.302 up
> >
> > * In the domU the configuration I have is:
> >
> > vif = [ 'bridge=xen-br302' ]
> >
> > * The only problem is that un domU I have to run "/usr/sbin/ethtool -K
> > eth0 tx off" after bring it up.
> >           
> You don't have problem with UDP ?
> Have you DNS or DHCP services running in your  VMs ?
Maybe I have a problem with UDP, but even bigger problem with TCP, as 
pings are not working (with IP address); not even arpings are working, 
even with very small packet sizes.

> For my own  I loose UDP  traffic If I try to setup one vlan per bridge 
> in the DOM0
> To resolve this I must setup VLAN in each  VM
>
> Have you test bonding + vlans ?
No, I didn't try bonding with Xen yet.


--
Tomasz Chmielewski
http://wpkg.org


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