[ovs-discuss] Bonding problems with redundant physical switching
blp at nicira.com
Wed Sep 15 22:39:06 UTC 2010
On Wed, Sep 15, 2010 at 10:37:13PM +0000, Jesse Gross wrote:
> On Wed, Sep 15, 2010 at 4:47 PM, Ben Pfaff <blp at nicira.com> wrote:
> > I was under the impression that those corner cases were problems
> > specific to the type of bonding that OVS already implements; that is,
> > bonding where the first-hop switch was unaware of and not participating
> > in the bond. Doesn't LACP, etc. avoid that kind of problem, acting much
> > more like a single link than SLB does?
> Yes, LACP should be much more resilient to these types of issues.
> However, I don't think that LACP will help in this particular
> situation since the physical switches are cheap and not stacked.
> Linux supports a half dozen different types of bonding though (at
> least some which probably have issues with OVS) and apparently they
> don't work together at all on any released kernel version, so I
> wouldn't say that it is either supported or encouraged.
OK, great, agreed on all points here.
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