netdev - Re: VLAN filtering/VLAN aware bridge problems

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Date:	Fri, 30 Aug 2013 17:01:04 +0200
From:	Stefan Priebe - Profihost AG <s.priebe@...fihost.ag>
To:	"vyasevic@...hat.com" <vyasevic@...hat.com>
Cc:	David Miller <davem@...emloft.net>,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: VLAN filtering/VLAN aware bridge problems

Yes

Stefan

This mail was sent with my iPhone.

Am 30.08.2013 um 16:13 schrieb Vlad Yasevich <vyasevic@...hat.com>:

> On 08/30/2013 03:24 AM, Stefan Priebe - Profihost AG wrote:
>> Am 29.08.2013 22:45, schrieb Vlad Yasevich:
>>> On 08/29/2013 08:50 AM, Stefan Priebe - Profihost AG wrote:
>> 
>>>> The packets never reach the TAP device.
>>>> 
>>>> Here is an output of ip a l (vlan 3021):
>>> 
>>> Can you provide output of brctl show?
>> 
>> Sure:
>> # brctl show
>> bridge name     bridge id               STP enabled     interfaces
>> vmbr0           8000.00259084dea8       no              bond0
>>                                                         tap320i0
>> vmbr1           8000.00259084deaa       no              bond1
>> vmbr1v3021              8000.00259084deaa       no              tap320i1
>>                                                         vmbr1.3021
> 
> so let me see if I can understand this configuration.
> 
>          vmbr1v3021 (bridge)
>           /          \
>       tap320i1       vmbr1.3021 (vlan)
>                          \
>                          vmbr1 (bridge)
>                             \
>                            bond1
>                               \
>                             eth X
> 
> 
> Is that right? Is this the setup that has the problem you are
> describing?
> 
> Thanks
> -vlad
> 
>>> On the off chance that you are actually trying to configure vlan
>>> filtering, can you give this patch a try (net-2.6 tree):
>>> 
>>> Author: Toshiaki Makita <makita.toshiaki@....ntt.co.jp>
>>> Date:   Tue Aug 20 17:10:18 2013 +0900
>>> 
>>>     bridge: Use the correct bit length for bitmap functions in the VLAN
>>> code
>>> 
>>> I don't think it made it to stable yet.
>> 
>> I addd that patch and now the vlan stuff works at least on the host
>> node. But my tap devices still don't work.
>> 
>> I also tried to attach the tap device on top of a vlan attached to bond1
>> but then gvrp does not work anymore. The kernel announces gvrp once and
>> then does not answer the query packets from the switch.
>> 
>> Stefan
> 
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