netdev - Re: how to mix bridges and bonding inc. vlans correctly on Kernel

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Message-ID: <20131113143410.GN19702@redhat.com>
Date:	Wed, 13 Nov 2013 15:34:10 +0100
From:	Veaceslav Falico <vfalico@...hat.com>
To:	Stefan Priebe - Profihost AG <s.priebe@...fihost.ag>
Cc:	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: how to mix bridges and bonding inc. vlans correctly on Kernel >
 3.10

On Wed, Nov 13, 2013 at 03:20:56PM +0100, Stefan Priebe - Profihost AG wrote:
>Hi Falico,
>Am 13.11.2013 15:12, schrieb Veaceslav Falico:
>> On Wed, Nov 13, 2013 at 02:58:40PM +0100, Stefan Priebe - Profihost AG
>> wrote:
>>> Hello,
>>>
>>> while my vlans, bridging and bonding stuff was working until 3.9 i never
>>> thought about how it is right. So maybe i was always wrong.
>>>
>>> I've this:
>>>
>>> eth2
>>>     \
>>>      -- bond1 -- vmbr1
>>>     /
>>> eth3
>>>
>>> This works fine and as expected now i want to have a vlan using the
>>> bonding and using a bridge.
>>>
>>> I the past i had this:
>>> eth2
>>>     \
>>>      -- bond1 -- vmbr1
>>>     /              \
>>> eth3                 \ vmbr1.3000
>>>                           \ ---- tap114i1
>>>
>>> This was working fine until 3.9.X since 3.10. Right now using 3.10 i
>>> need to put eth2 and eth3 into promisc mode to get it working ;-( this
>>> is bad!
>>
>> As a guess - do you use arp monitoring for bonding? Try using miimon -
>> there were some issues with it in 3.10, which were fixed by some huge
>> patchsets that will never hit 3.10 stable.
>> Also, the bonding configuration would be welcome.
>
>Debian Bonding konfiguration looks like this:
>auto bond1
>iface bond1 inet manual
>        slaves eth2 eth3
>        bond-mode 802.3ad
>        bond_miimon 100
>        bond_updelay 200
>        bond_downdelay 0
>
>This should be miimon using lacp and not arp isn't it?
>Anything more needed?

Yeah, it's miimon, so nothing here...

I'll try to set up a reproducer in the nearest future, a bit burdened now.

Are you using 3.10.X stable? Which version exactly? And at what version did
it work - 3.9.?

Thank you!

>
>One thing i forgot the one with vmbr1.3000 does not work at all eben not
>with promisc mode. The one below works fine if i set eth2 and eth3 into
>promisc mode.
>
>Stefan
>
>>> I also tried this one without success:
>>> eth2
>>>     \
>>>      -- bond1 -- vmbr1
>>>     /     \
>>> eth3        ----- bond1.3000 --- vmbr1v3000
>>>                                     \ ---- tap114i1
>>>
>>>
>>>
>>> Greets,
>>> Stefan
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