[systemd-devel] Setting bonding parameters

[Tom Gundersen]

On Sun, Jul 13, 2014 at 8:33 PM, poma <pomidorabelisima at gmail.com> wrote:
> On 26.06.2014 15:30, Lukáš Nykrýn wrote:
>>
>> poma píše v Pá 20. 06. 2014 v 13:36 +0200:
>>>
>>> On 20.06.2014 13:31, Tom Gundersen wrote:
>>>>
>>>> On Thu, Jun 19, 2014 at 1:37 PM, Vladimir Elisseev <vovan at vovan.nl>
>>>> wrote:
>>>>>
>>>>> Simple question: is there a way to set bridge parameters (bridge
>>>>> forward delay, bridge hello time, etc) using systemd networking units?
>>>>
>>>>
>>>> This is still on the TODO. Last I heard Lukas was looking into this,
>>>> so maybe we'll get that soon :)
>>>>
>>>> Cheers,
>>>>
>>>> Tom
>>>
>>>
>>> Ping.
>>> Simple question: was Lukas looking into bonding params also? :)
>>>
>>>
>>> poma
>>
>>
>> I have started with bonding params, but it's not looking promising.
>> Except mode all calls end with something like "Could not append
>> IFLA_BOND_PRIMARY_RESELEC attribute: Operation not supported", even on
>> latest kernel which is in rawhide.
>> And setting mode does not show any error, but does not work either.
>> If anybody wants to look at it, here is my patch for mode
>> http://pastebin.com/qz1XQ9DA
>>
>> and here is a earlier version which tried to setup everything.
>> http://pastebin.com/dzsDQqYF
>>
>> Lukas
>>
>>
>
>
> Yep, ain't workin,
> http://cgit.freedesktop.org/systemd/systemd/commit/?id=fe8ac65
>
> systemd-215-4.git3864c28.20140711.fc21.x86_64
>
> man 5 systemd.netdev
> ...
> [BOND] SECTION OPTIONS
>         The "[Bond]" section accepts the following key:
>
>         Mode=
>             Specifies one of the bonding policies. The default is balance-rr
> (round robin).
>
> "balance-rr""active-backup""balance-xor""broadcast""802.3ad""balance-tlb""balance-alb"
>
>
> /etc/systemd/network/bond0mode.netdev
> [NetDev]
> Name=bond0

We will not change the settings of pre-existing bonds created by
someone else (bond0 is created by the kernel when the module is
loaded). I added this to the man-page.

Using an unused bond name should make this work.

Please let us know if it does not.

Cheers,

Tom

> Kind=bond
>
> [Bond]
> Mode=active-backup
>
>
> bondctl detail bond0
> Bonding Master: bond0
>      Oper State:     up
>      Slaves:         enp3s0 enp1s9
>      Active Slave:
>      Mode:           balance-rr 0
>      Monitor:        No monitoring enabled
>
>
> poma
>
>
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