[ovirt-users] LACP Bonding issue

[Konstantin Shalygin]

You should configure your LAG with this options (custom mode on oVirt):

mode=4 miimon=100 xmit_hash_policy=2 lacp_rate=1

An tell to your network admin configure switch:
"Give me lacp timeout short with channel-group mode active. Also set 
port-channel load-balance src-dst-mac-ip (or src-dst-ip\src-dst-mac)".

You also need to understand that LACP balancing works 'per flow'. You 
can take 2 hosts and run "iperf -c xxx.xxx.xxx.xxx -i 0.1 -d",
and on one phy interface you should see 1Gb RX, and on another phy 
interface 1Gb TX.

> Hi,
>
> I discovered an issue with my LACP configuration and i am having trouble
> figuring it out.  I am running 2 Dell Powered 610's with 4 broadcomm nics.
> I am trying to bond them together, however only one of the nics goes active
> no mater how much traffic i push across the links.
>
> I have spoken to my network admin, and says that the switch ports are
> configured and can only see one active link on the switch.
>
> Thanks
> Bryan

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