[ovirt-users] Network problem with bonding and Windows guests

[Maxence Sartiaux]

Yep work good !
Adding
ETHTOOL_OPTIONS='-K iface lro off'
to the slave interfaces config file did the job :)
Thank you !
On Wed, 2016-05-25 at 10:37 +0100, Alex Crow wrote:
> On 25/05/16 10:28, Maxence Sartiaux wrote:
> > Hello, 
> > 
> > 
> > I've a problem, all my ovirt hosts are linked with a bonding mode 4
> > (802.3ad LACP) 2x10Gbps
> > Eveything is okay with unix guest but with Windows guest, i can
> > ping but internet browsing is impossible (sometime i have a part of
> > the page, very rare case)
> > 
> > 
> > If i remove the bonding and bridge one interface, windows work
> > good.
> > 
> > 
> > I've tried with windows 7 and windows 10, guest additions are
> > installed
> > VirtIO / rtl3189 tested, same problem
> > 
> > 
> > My bonding opts : mode=4 lacp_rate=1 miimon=100
> > Interface MTU 9000
> > 
> > 
> > Bonding mode 2 also tested
> > 
>  
> On the hosts, try setting LRO off on the members of your bond, see if
> it makes a difference
> 
> eg, 
> 
> ethtool -K ens3f0 lro off
> ethtool -K ens3f1 lro off
> 
> Alex
> 
> 
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