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

  • To: xen-api@xxxxxxxxxxxxxxxxxxx
  • From: Ben Pfaff <blp@xxxxxxxxxxxxxxx>
  • Date: Sun, 22 Jan 2012 21:29:00 -0800
  • Cancel-lock: sha1:VvzL0RBcAc0Ce/VQcZXnoK0Dutg=
  • Delivery-date: Mon, 23 Jan 2012 05:34:48 +0000
  • List-id: Discussion of API issues surrounding Xen <xen-api.lists.xensource.com>

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.

Ben Pfaff 

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