[Bridge] bond-mode 4 bridge-utils 3.x kernel not fully working

Wilco Baan Hofman wilco at baanhofman.nl
Wed May 29 07:29:03 UTC 2013

On Wed, 2013-05-29 at 01:10 +0200, Jelle de Jong wrote:

> Traffic comes out the KVM quests but doesn?t come in. If I disable
> bonding everything just works again.

> auto bond0
>   iface bond0 inet manual
>   slaves eth0 eth1
>   bond-mode 4
>   bond-miimon 100
>   pre-up /sbin/ifconfig bond0 mtu 9000

> auto eth0
>   iface eth0 inet manual
>   mtu 900

Does this one really say mtu 900 instead of 9000? 
Is your eth1 up? 
Did you try non-kvm traffic over the bonding interface?
Is the switch in LACP mode?


Wilco Baan Hofman

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