Hi, corey
Please keep mailing list :)
Sorry, I don't know whether the cause is in Ryu app or Mininet.
The software you seem to use
(https://github.com/muzixing/ryu/tree/master/ryu/app/network_awareness)
was forked more than 3 years ago,
and committed more than 100 times from this point.
I don't know this so much, so I think you should ask the support team of
this software.
Thanks,
Fujimoto
On 2017年10月21日 18:15, corey ross wrote:
Hello Fujimoto,
Sorry for the delay. I have installed OVS 2.7.2 and it seems the
problem was not due to OVS, I realized if I run my Mininet topology
and wait for few seconds before starting the Ryu app then there wont
be any switch reconnection in the app. This behavior happens in
looped networks. Would you tell me if this is due to the Ryu app or
the Mininet?
BTW I have attached the app I am using in this mail ( just in case you
require it). I am usingthis
<https://github.com/muzixing/ryu/tree/master/ryu/app/network_awareness>
app and modified the network-aware module to send and receive
flow-table features.
Thank You very much for your time.
Regards,
Corey
On Sun, Oct 1, 2017 at 5:02 PM, corey ross <coreyvr...@gmail.com
<mailto:coreyvr...@gmail.com>> wrote:
Hi, Fujimoto
Yes, I installed OVS 2,.8 but It was talking long time for the
controller to get the switches, then I saw this bug.
Sure I will install OVS 2.7.2 and then I will email you my
finding. However at the moment I don't have access to my system so
it might take some times....
Thank You for your reply :)
On Thu, Sep 28, 2017 at 6:39 AM, Fujimoto Satoshi
<satoshi.fujimo...@gmail.com <mailto:satoshi.fujimo...@gmail.com>>
wrote:
Hi, corey
Sorry, OVS 2.8.0 has a problem so it may be difficult to run it...
OVS 2.8.0 can not work with passive controller connection, it
will crash.
The fix has been merged to master, but it is not released yet:
https://github.com/openvswitch/ovs/commit/1ea2184501d43352ec40764f5eaa3cbd07e3fee3
<https://github.com/openvswitch/ovs/commit/1ea2184501d43352ec40764f5eaa3cbd07e3fee3>
I think it is better to try with OVS 2.7.2. It is stable .
Could you try with it?
Thanks,
Fujimoto
On 2017年09月27日 20:00, corey ross wrote:
Mr Fujimoto I am using Ryu 4.17 and OVS 2.6. I have some
difficulties in installing OVS 2.8 as soon as I fix this
problem I will share the results with you.
On Tue, Sep 26, 2017 at 7:12 AM, Fujimoto Satoshi
<satoshi.fujimo...@gmail.com
<mailto:satoshi.fujimo...@gmail.com>> wrote:
Hi, corey
Sorry, I couldn't see the reconnection with your code, it
seems to work.
Please confirm the followings:
* Using the latest version of Ryu(4.17)
* (If you use OVS,) Using the latest version of OVS(2.8.0)
If confirmed, would you send me the whole of your code?
Thanks,
Fujimoto
On 2017年09月25日 20:24, corey ross wrote:
Hello,
I am trying to send and parse table feature message.
This is my code:
@set_ev_cls(ofp_event.EventOFPSwitchFeatures,
CONFIG_DISPATCHER)
def switch_features_handler(self, ev):
"""
Send miss-table flow entry to datapaths and
send the table feature request.
"""
datapath = ev.msg.datapath
ofproto = datapath.ofproto
parser = datapath.ofproto_parser
msg = ev.msg
self.logger.info
<http://self.logger.info>("switch:%s connected",
datapath.id <http://datapath.id>)
# install table-miss flow entry
match = parser.OFPMatch()
actions =
[parser.OFPActionOutput(ofproto.OFPP_CONTROLLER,
ofproto.OFPCML_NO_BUFFER)]
self.add_flow(datapath, 0, match, actions)
# send_table feature request
stats =
parser.OFPTableFeaturesStatsRequest(datapath, 0, [])
datapath.send_msg(stats)
@set_ev_cls(ofp_event.EventOFPTableFeaturesStatsReply,
MAIN_DISPATCHER)
def _table_features_handler(self, ev):
"""
It get the max entries for a table and
store it in max_table_capacity.
"""
msg = ev.msg
datapath = msg.datapath
# print(msg.body)
for stat in msg.body:
if stat.table_id == 0:
self.table_body[datapath.id
<http://datapath.id>]['body'] = stat
self.logger.debug('table_body: %s',
self.table_body[datapath.id <http://datapath.id>])
but as you can see when I run the program it causes the
switches to reconnect:
switch:2 connected
switch:6 connected
switch:7 connected
switch:4 connected
switch:1 connected
switch:3 connected
switch:5 connected
switch:7 connected
switch:6 connected
switch:1 connected
switch:4 connected
switch:5 connected
switch:3 connected
switch:2 connected
What could be wrong? What is the correct way to request
for table features (during) handshake?
Thank you
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