[ovs-dev] [PATCH v7 3/3] ovn: Add "localnet" logical port type.
Ben Pfaff
blp at nicira.com
Tue Sep 1 20:55:38 UTC 2015
On Wed, Aug 26, 2015 at 11:07:54AM -0400, Russell Bryant wrote:
> Introduce a new logical port type called "localnet". A logical port
> with this type also has an option called "network_name". A "localnet"
> logical port represents a connection to a network that is locally
> accessible from each chassis running ovn-controller. ovn-controller
> will use the ovn-bridge-mappings configuration to figure out which
> patch port on br-int should be used for this port.
[...]
> <p>
> + It's possible that a single ingress physical port maps to multiple
> + logical ports with a type of <code>localnet</code>. In that case, an
> + OVN flag is set to indicate that this packet arrived on a <code>localnet</code>
> + port. This flag is used later to help determine what type of output is
> + appropriate. The logical datapath and logical input port fields will be
> + reset and the packet will be resubmitted to table 16 multiple times.
> + </p>
I'm not sure why this is a likely problem that needs to be avoided,
since the structure of logical networks that contain localnet ports is
so simple. Can you explain?
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