Is there any way I could find out why the controller might be rejecting the
connection? I would appreciate if somebody could give a suggestion.

 Thank you,
Anisha.



>
> On Fri, May 4, 2012 at 12:05 AM, Justin Pettit <[email protected]> wrote:
>
>> It looks like your controller is refusing the connection, since your
>> tcpdump output shows a reset [R] to the connection request.
>>
>> --Justin
>>
>>
>> On May 3, 2012, at 5:39 PM, Anisha Kolasani <[email protected]> wrote:
>>
>>
>> Some lines from the OVS log file are showing:
>>
>> *OVS log file:*
>>
>> May 03 16:40:45|231992|rconn|DBG|br0<->tcp:127.0.0.1:6633: entering
>> BACKOFF
>> May 03 16:40:53|232147|rconn|WARN|br0<->tcp:127.0.0.1:6633: connection
>> failed (Connection refused)
>>
>> May 03 18:46:41|00109|rconn|INFO|br0<->tcp:127.0.0.1:6633: waiting 1
>> seconds before reconnect
>>
>> May 03 18:46:41|00110|rconn|DBG|br0<->tcp:127.0.0.1:6633: entering
>> BACKOFF
>>
>> May 03 18:46:41|00111|connmgr|WARN|br0: unsupported controller
>> "--out-of-band"
>>
>>
>>  When I saw the *tcpdump on lo*, there were requests passing with the
>> controller:
>>
>>
>> localhost.50703 > localhost.6633: Flags [S], cksum 0xfe30 (incorrect ->
>> 0x302d), seq 266318493, win 32792, options [mss 16396,sackOK,TS val 4046000
>> ecr 0,nop,wscale 4], length 0
>> 17:35:04.516841 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto
>> TCP (6), length 40)
>>     localhost.6633 > localhost.50703: Flags [R.], cksum 0x0f58 (correct),
>> seq 0, ack 266318494, win 0, length 0
>> 17:35:12.518817 IP (tos 0x0, ttl 64, id 53647, offset 0, flags [DF],
>> proto TCP (6), length 60)
>>
>>
>>
>> How can the OVS be configured in --out-of-band control mode? Are there
>> any documents I could refer too..?
>>
>> I tried using 'ovs-openflowd' to set controller to the swithch.. but
>> there was not command like that. Any pointers regarding this?
>>
>>
>> Thank you,
>>
>> Anisha.
>>
>>
>>
>> On Thu, May 3, 2012 at 4:51 PM, Ben Pfaff <[email protected]> wrote:
>>
>>> On Thu, May 03, 2012 at 04:44:56PM -0500, Anisha Kolasani wrote:
>>> > My system settings are:
>>> >
>>> > *sudo ovs-vsctl show*
>>> > 12681540-b7fe-4f22-8c25-8371ae195eb5
>>> >     Bridge "br0"
>>> >         Controller "tcp:127.0.0.1:6633"
>>> >         fail_mode: standalone
>>> >         Port "eth0"
>>> >             Interface "eth0"
>>> >         Port "br0"
>>> >             Interface "br0"
>>> >                 type: internal
>>> >         Port "tap0"
>>> >             Interface "tap0"
>>> >         Port "tap1"
>>> >             Interface "tap1"
>>> >
>>> >
>>> > There are no flows that I can see..
>>> > *sudo ovs-ofctl dump-flows br0*
>>> > NXST_FLOW reply (xid=0x4):
>>> >
>>> >
>>> > I am running the controller at the port 6633 in the same
>>> machine...But, the
>>> > following two are the only two message I see when the controller
>>> starts:
>>> >
>>> > *sudo ./nox_core -v -i ptcp:6633 pyswitch*
>>> > 00001|nox|INFO:Starting nox_core
>>> > (/home/anisha/nox/build/src/.libs/lt-nox_core)
>>> > 00002|nox|INFO:nox bootstrap complete
>>> >
>>> > I am not sure why the bridge br0 is not able to connect to the Nox
>>> > controller.
>>> > If anybody has tried this before, could you please let me know any
>>> pointers
>>> > to as to where its going wrong?
>>>
>>> You should probably configure OVS for out-of-band control.
>>>
>>> But what's in the OVS log?
>>>
>>
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>>
>>
>
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