Re: [Xen-API] XCP 1.1 OVS and active-backup mode seeing traffic on both interfaces

[brooks@xxxxxxxxxxx]

Thank you.  Why was active-backup architected to accept packets on all 
interfaces?  Depending on your physical architecture that has the 
potential to play havoc with the ARP tables in the switches.
I'll try installing a newer version of OVS tomorrow.

Thanks again.  I really appreciate your help.

On Sun, 22 Jan 2012, Ben Pfaff wrote:

> Yes, you can install a newer version of OVS on XCP.  The
> instructions you need are in INSTALL.XenServer.
>
> I wouldn't say that active-backup bonding in XCP 1.1 is
> "useless".  It works fine in many use cases, just not in yours.
>
> brooks@xxxxxxxxxxx writes:
>
> > Thank you.  Now the question is, can a newer version of OVF be
> > installed into XCP 1.1?  If not active-backup bonding in XCP 1.1 is
> > useless.
> >
> >
> > On Sat, 21 Jan 2012, Ben Pfaff wrote:
> >
> > > brooks@xxxxxxxxxxx writes:
> > >
> > > > I'm seeing traffic on both interfaces of an active-backup bond. This
> > > > is a bond of eth0 and eth1 with both management and vm traffic.  Given
> > > > the requirement that a bonded management interface be in active-backup
> > > > mode and since balance-slb doesn't work unless the ports are connected
> > > > to the same switch (or stack) I have the bond in active-backup mode:
> > > The version of OVS in XCP 1.x accepts incoming packets on all
> > > interfaces of active-backup bonds.  We changed this behavior in
> > > newer versions of OVS.
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