FreeBSD 10-stable (r274577) LACP / IEEE 802.3ad with TP-Link TL-SG2008 - not working

[Craig Rodrigues]

On Wed, Dec 17, 2014 at 9:08 PM, Craig Rodrigues <rodrigc at freebsd.org>
wrote:
>
>
>
> On Wed, Dec 17, 2014 at 5:36 PM, David P. Discher <dpd at dpdtech.com> wrote:
>>
>>
>> Yeah, Alan - will do ... if I decided to look into more.  That is why I was
>> looking for spec on LACP.  One side is doing it wrong.  FreeBSD is looking
>> for a LACPDU of exactly sizeof ( struct lacpdu ) which is 124 bytes. The
>> TP-Link is sending a PDU of 128 bytes. I was hoping someone would know off
>> hand what the spec says, if the PDU "should be" or "must be".
>>
>
>
> I think you have stumbled across a valid problem in the FreeBSD code.  I
> don't have access
> to 802.3ad-2000, but this might give you some clues:
> http://kb.juniper.net/InfoCenter/index?page=content&id=KB17674
>
> I would also look at the source code of wireshark to be sure.  wireshark
> has a sample capture of LACP packets here:
>
> http://wiki.wireshark.org/LinkAggregationControlProtocol
>
>
And here:

http://www-01.ibm.com/support/docview.wss?uid=isg1VM64842

--
Craig