Hello,
On servers with VLAN interfaces I have to configure the bridges
manually in rc.local and disable the mechanism in xend-config.sxp, for
example:
/usr/sbin/brctl addbr xenbr1
/usr/sbin/brctl addif xenbr1 bond1.14
/sbin/ifconfig xenbr1 up
/usr/sbin/brctl addbr xenbr2
/usr/sbin/brctl addif xenbr2 bond2.15
/sbin/ifconfig xenbr2 up
etc.
Regards,
Daniel
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Matthias Saou
Sent: Tuesday, March 18, 2008 12:35 PM
To: [email protected]
Subject: Re: [rhelv5-list] Persistent naming for eth devices
Luke S Crawford wrote :
> Matthias Saou
<[EMAIL PROTECTED]>
writes:
>
> > ...slighty OT, but worth mentioning ;-)
> >
> > Now the other problem I'm having is to get Xen to use VLAN
> > interfaces on top of the bonded interfaces... not working as
> > expected either yet, and the Xen network scripts don't make that
> > easy at all! ;-)
>
> I believe the correct foo (if you are using network-bridge) is in
> /etc/xen/xend-config.sxp:
>
> (network-script 'network-bridge netdev=[device]')
>
> then in the xm config files,
>
> vif=["bridge=xenbr0"]
>
> (with, of course, your other vif options)
This works fine with ethX or even bondX interfaces, but not with vlanX
or ethX.Y VLAN interfaces, as the Xen scripts break them pretty badly
with their shuffling around.
My current "solution" to keep things mostly reliable is to let the
default script create xenbr0 from bond0, but then I run a custom script
that creates xenbr1 with a vlanX interface inside it, which is a VLAN on
top of bond0.
But it's a somewhat ugly mix of untagged and tagged VLAN traffic...
Matthias
--
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