Hi,
I´m trying to send a message to put a flow from host 1 to host 4 on queue 1
using ofp_flow_mod. The commando I use is:
msg = of.ofp_flow_mod() msg.priority =100
msg.idle_timeout = 0 msg.hard_timeout = 0 msg.match.dl_src =
"00:00:00:00:00:01" msg.match.dl_dst = "00:00:00:00:00:04"
msg.actions.append(of.ofp_action_enqueue(port = 4, queue_id=1))
event.connection.send(msg)
But I´ve got the following error:
ERROR:openflow.of_01:[00-00-00-00-00-01 1] OpenFlow Error:[00-00-00-00-00-01 1]
Error: header:[00-00-00-00-00-01 1] Error: version: 1[00-00-00-00-00-01 1]
Error: type: 1 (OFPT_ERROR)[00-00-00-00-00-01 1] Error: length:
76[00-00-00-00-00-01 1] Error: xid: 7[00-00-00-00-00-01 1] Error: type:
OFPET_BAD_ACTION (2)[00-00-00-00-00-01 1] Error: code: OFPBAC_BAD_LEN
(1)[00-00-00-00-00-01 1] Error: datalen: 64[00-00-00-00-00-01 1] Error: 0000:
01 0e 00 58 00 00 00 07 00 10 00 13 00 00 30 30
|...X..........00|[00-00-00-00-00-01 1] Error: 0010: 3a 30 30 3a 30 30 3a 30
30 3a 30 30 3a 30 31 30 |:00:00:00:00:010|[00-00-00-00-00-01 1] Error: 0020:
30 3a 30 30 3a 30 30 3a 30 30 3a 30 30 3a 30 34
|0:00:00:00:00:04|[00-00-00-00-00-01 1] Error: 0030: 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 |................|
I don´t get it! Does it mean pox is composing a message with a wrong length?
If I try using IP addresses, like
msg = of.ofp_flow_mod() msg.priority =100
msg.idle_timeout = 0 msg.hard_timeout = 0 msg.match.dl_type =
0x0800 msg.match.nw_src = "10.0.0.1" msg.match.nw_dst =
"10.0.0.4" msg.actions.append(of.ofp_action_enqueue(port = 4,
queue_id=1)) event.connection.send(msg)
It works!!!
Any clues?Is that with ovs I can´t modify a flow by MAC addresses?
Henrique Moura
[email protected]
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