On Fri, Jul 01, 2011 at 02:32:01PM -0700, Neil McKee wrote:
> What does it mean for a bridge to appear in "ovs-vsctl list-br" that
> does not then also appear in "ovs-vsctl list bridge"?

Those are "VLAN bridges" or "fake bridges", see ovs-vsctl(8) under
"Linux VLAN Bridging Compatibility".

> I ran into this problem on a XenServer 5.6FP1 system.  The bridge
> "xapi1" appeared in the first list ("list-br") but not in the second
> one ("list bridge").

Yes, xapi1 is a VLAN bridge.

> I'm looking for a reliable and universal way to get the list of
> bridges that can be given an sFlow config.  Should I avoid "list-br"
> and just parse the more verbose "list bridge" output instead?

The latter is better, yes.  You can use "ovs-vsctl --bare --
--columns=name list bridge" if that makes parsing easier.
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