[ovirt-users] Network problem with bonding and Windows guests
ehaas at redhat.com
Thu May 26 08:03:38 UTC 2016
On Wed, May 25, 2016 at 2:10 PM, Maxence Sartiaux <contact at makz.me> wrote:
> Yep work good !
> 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:
> 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
> ethtool -K ens3f0 lro off
> ethtool -K ens3f1 lro off
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There was such a bug with the bonding driver not dropping the LRO when bind
to a bridge.
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