Hi,
On 2016年07月21日 02:41, Deepak Jose wrote:
> Hi Iwase,
>
> After including module openvswitch, ryu-manager call is able to move further.
> But it is still not able to complete things.
>
> instantiating app ryu.controller.ofp_handler of OFPHandler
> BRICK SimpleSwitch13
> CONSUMES EventOFPSwitchFeatures
> CONSUMES EventOFPPacketIn
> BRICK ofp_event
> PROVIDES EventOFPSwitchFeatures TO {'SimpleSwitch13': set(['config'])}
> PROVIDES EventOFPPacketIn TO {'SimpleSwitch13': set(['main'])}
> CONSUMES EventOFPPortStatus
> CONSUMES EventOFPSwitchFeatures
> CONSUMES EventOFPErrorMsg
> CONSUMES EventOFPPortDescStatsReply
> CONSUMES EventOFPEchoRequest
> CONSUMES EventOFPEchoReply
> CONSUMES EventOFPHello
> connected socket:<eventlet.greenio.base.GreenSocket object at 0x7fab639f1610>
> address:('127.0.0.1', 32776)
> hello ev <ryu.controller.ofp_event.EventOFPHello object at 0x7fab639eb810>
> move onto config mode
> EVENT ofp_event->SimpleSwitch13 EventOFPSwitchFeatures
> switch features ev
> version=0x4,msg_type=0x6,msg_len=0x20,xid=0xcd66c812,OFPSwitchFeatures(auxiliary_id=0,capabilities=79,datapath_id=1,n_buffers=256,n_tables=254)
> move onto main mode
It seems that Ryu works well from seeing the above log messages.
"move onto main mode" means Ryu could connect to OVS correctly and
is waiting for OpenFlow messages from OVS.
If any packets applied to OVS interfaces, some messages will be shown
from ryu-manager, I think.
>
> In ryu book, it has mentioned that some time will take to get connected to
> OVS. But I have waited for 30 mins and still hung over here.
>
> Following are the last syslog messages I got in the under syslog.
> Jul 20 10:26:29 mininet-vm ovs-vswitchd:
> ovs|00746|rconn|INFO|s1<->tcp:127.0.0.1:6633 <http://127.0.0.1:6633>:
> connected
> Jul 20 10:26:39 mininet-vm ovs-vswitchd:
> ovs|00747|connmgr|INFO|s1<->tcp:127.0.0.1:6633 <http://127.0.0.1:6633>: 1
> flow_mods 10 s ago (1 adds).
These messages show that OVS succeeded to connect to Ryu and one
FlowMod message was received.
I guess this FlowMod message was to install the table-miss flow entry
as following, so Ryu and OVS are working well.
https://github.com/iwaseyusuke/ryu/blob/master/ryu/app/example_switch_13.py#L39-L43
Then, what problem exactly do you mean?
Your hosts connecting to OVS can not communicate each other? or else?
Thanks,
Iwase
>
> If you know the error, Please guide me.
>
> Thanks,
> Deepak
>
>
>
>
>
> On Tue, Jul 19, 2016 at 8:32 AM, Iwase Yusuke <iwase.yusu...@gmail.com
> <mailto:iwase.yusu...@gmail.com>> wrote:
>
> Hi,
>
> On 2016年07月18日 02:11, Deepak Jose wrote:
>
> Hi Team,
>
> I'm trying to learn ryu and followed the ryu documentation for my
> learning. I have created 3 hosts, 1 switch and 1 controller using 'sudo mn
> --topo single,3 --mac --switch ovsk --controller remote -x'. But when I try
> to laucnh ryu-manager from controller, it gets hung as shown in logs below.
> Also ovs-dpctl gave some errors.
> Can someone check the logs and help me to move forward or debug this
> issue?
>
> root@mininet-vm:~# ryu-manager --verbose ryu.app.simple_switch_13
> loading app ryu.app.simple_switch_13
> loading app ryu.controller.ofp_handler
> instantiating app ryu.app.simple_switch_13 of SimpleSwitch13
> instantiating app ryu.controller.ofp_handler of OFPHandler
> BRICK SimpleSwitch13
> CONSUMES EventOFPSwitchFeatures
> CONSUMES EventOFPPacketIn
> BRICK ofp_event
> PROVIDES EventOFPSwitchFeatures TO {'SimpleSwitch13':
> set(['config'])}
> PROVIDES EventOFPPacketIn TO {'SimpleSwitch13': set(['main'])}
> CONSUMES EventOFPErrorMsg
> CONSUMES EventOFPPortDescStatsReply
> CONSUMES EventOFPEchoRequest
> CONSUMES EventOFPEchoReply
> CONSUMES EventOFPHello
> CONSUMES EventOFPPortStatus
> CONSUMES EventOFPSwitchFeatures
> <No processing after this>
>
>
> According the above messages, Ryu seems to be waiting for the connection
> from OVS and working well.
>
>
> root@mininet-vm:~/openvswitch/openvswitch-2.5.0/ovsdb# ovs-dpctl show
> 2016-07-17T17:08:37Z|00001|dpif_netlink|ERR|Generic Netlink family
> 'ovs_datapath' does not exist. The Open vSwitch kernel module is probably not
> loaded.
> 2016-07-17T17:08:37Z|00002|dpif|WARN|failed to enumerate system
> datapaths: No such file or directory
>
>
> It seems that OVS kernel module is not loaded.
> How about trying this command and restarting OVS?
> e.g.)
> sudo depmod
> sudo modprobe openvswitch
>
> Thank,
> Iwase
>
>
> Thanks,
> Deepak
>
>
>
> ------------------------------------------------------------------------------
> What NetFlow Analyzer can do for you? Monitors network bandwidth and
> traffic
> patterns at an interface-level. Reveals which users, apps, and
> protocols are
> consuming the most bandwidth. Provides multi-vendor support for
> NetFlow,
> J-Flow, sFlow and other flows. Make informed decisions using capacity
> planning
> reports.http://sdm.link/zohodev2dev
>
>
>
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>
>
>
>
> ------------------------------------------------------------------------------
> What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic
> patterns at an interface-level. Reveals which users, apps, and protocols are
> consuming the most bandwidth. Provides multi-vendor support for NetFlow,
> J-Flow, sFlow and other flows. Make informed decisions using capacity planning
> reports.http://sdm.link/zohodev2dev
>
>
>
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>
------------------------------------------------------------------------------
What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic
patterns at an interface-level. Reveals which users, apps, and protocols are
consuming the most bandwidth. Provides multi-vendor support for NetFlow,
J-Flow, sFlow and other flows. Make informed decisions using capacity planning
reports.http://sdm.link/zohodev2dev
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