Hi, Thanks Ben for you answers on the bonding. It's really helpfull.
I have another question but not on the same part. I'd like to supervise my hypervisor (which hold my VM) with a cacti-like. It's works fine and i see all vnet, bridge and fake-bridge associate on the hypervisor. But there's the problems : is it possible to set a vnet number to a VM or associate an alias ? i explain, when i stop many VM and reboot it but not in the same order, the vnet number will change (for each VM) so i got to reconfigure correctly my cacti-like for specify which vnet is for which VM and so which graph is for which VM. (or i must connect to hypervisor see which vnet is for which VM, it's not pratical .. ) it's possible to do this ? or implement ? Thank's Aeron > Date: Tue, 18 Sep 2012 10:18:30 -0700 > From: [email protected] > To: [email protected] > CC: [email protected] > Subject: Re: [ovs-discuss] mode_bond balance-tcp and question > > There is definitely a difference. If you use balance-slb, then > streams from a particular host (that is, all streams, if you are not > using VMs) will use the same interface. If you use balance-tcp, then > streams from a particular host will be spread (statistically) across > the available interfaces. > > On Tue, Sep 18, 2012 at 07:20:08PM +0200, r po wrote: > > Ok ! Tanks a lot for this quickly answer that conforte me in my config. > > Can you explain me if there are à real difference on balance TCP and > > balance slb > > If the choice is mostly random ? > > > > Thanks again ! > > > > > Date: Tue, 18 Sep 2012 09:56:32 -0700 > > > From: [email protected] > > > To: [email protected] > > > CC: [email protected] > > > Subject: Re: [ovs-discuss] mode_bond balance-tcp and question > > > > > > 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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