Hello,
I was wondering if someone could help me with a specific issue that I
have ran into. I'm running a virtual switch with two interfaces:
system@sw:
lookups: frags:0, hit:296581, missed:355, lost:12
flows: 0
port 0: sw (internal)
port 1: tap0
All I'm doing here is forwarding traffic between those two interfaces.
Things are working perfectly fine if I set the action to
ofp_action_output. However, same does not hold true when flows are
enqueued on the internal interfaces. The NOX controller returns the
following error:
penflow-event|ERR:received Openflow error packet from dpid=001517df7bc9:
type=2, code=4, 64 bytes of data
... which indicates that the output port is incorrect.
Are there any specific reasons as to why it is not possible to enqueue
flows on the internal interfaces? I'm running a slight modification
of NOX's switch module. Here is the relevant part:
ofp_action_enqueue& action = *((ofp_action_enqueue*) ofm->actions);
memset(&action, 0, sizeof(ofp_action_enqueue));
action.type = htons(OFPAT_ENQUEUE);
action.len = htons(sizeof(ofp_action_enqueue));
action.port = htons(out_port);
action.queue_id = htonl(queue_id);
Thanks,
Vjeko
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