[ovs-discuss] Upgraded to openvswitch-1.4.1 and still high load and polluted syslog

[Volkan YAZICI]

Hey Luiz!

Thanks for the tip! It solved the excessive CPU usage problemf.
I always thought STP would have been enabled by default.


Best.

On Thu, 24 May 2012 11:58:31 -0300, Luiz Ozaki writes:
> On 5/24/12 7:21 AM, Volkan YAZICI wrote:
>> Hi Oliver!
>>
>> I have a triangle shaped network topology of 3 ovs 1.4.1
>> switches. When I plug-in a host into the network I immediatly
>> start to observe the same log pollution and excessive CPU usage
>> similar to yours. I either need to un-plug the machine or break
>> the triangle into a straight line by removing one of the
>> connections between the switches. Have you made any progress on
>> your side about the problem? Any clues?
>>
> Try enabling the STP (spanning tree) the traffic might be getting looped causing
> high load.
>
> http://openvswitch.org/cgi-bin/ovsman.cgi?page=utilities%2Fovs-vsctl.8