On 9/6/13 9:14 AM, Carlos Guimarães wrote:
Hi,
Using the 1.3.2 OpenFlow specification, is it possible to define an
action that whenever the OpenFlow switch receives a packet to a specific
DST to add the INGRESS_PORT to a group table? The objective is to send
the response from the DST towards all ports that received the request
message to the DST (like a multicast response).
From my understanding of OpenFlow specification, I can send the
incoming packets destined to a specific DST to the OpenFlow Controller,
and then the OpenFlow Controller is responsible for updating the group
table. But I would like to avoid doing this using the OpenFlow
Controller everytime I received a packet from a different port.
It sounds like you're talking about some kind of learning. OpenFlow
doesn't have learning (yet). OVS has a learning extension, but I think
it can only create normal flow mods, not group table entries.
--
Wes Felter
IBM Research - Austin
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