[ovs-discuss] mode_bond balance-tcp and question

Ben Pfaff blp at nicira.com
Tue Sep 18 16:56:32 UTC 2012


On Tue, Sep 18, 2012 at 04:35:08PM +0200, r po wrote:
> In the documentation i read, balance-tcp : balances among interface based on L2, L3 and L4 and MAC and IP.
> 
> But when i'm try to test the troughput (i used iperf) i don't up to 2Go on communication between two same IP witch two différent TCP port : 
> 
> here is my test : 
> 
> on ovs 1 : (i configured a fake bridge with IP, work well)
> 
> iperf -c 10.10.10.10 -p 1000 
> 
> (on other console but always in ovs1 )
> 
> iperf -c 10.10.10.10 -p 7000
> 
> on ovs2 (in two different console)
> 
> iperf -s -p 1000
> iperf -s -p 7000
> 
> i got about 500Mbps on each transfert.

The initial choice of interface for a given stream is essentially
random.  Every 10 seconds, streams get rebalanced.  If you have
exactly 2 streams, and each one lasts only a few seconds, whether you
see a benefit is a matter of luck.



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