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Date:      Fri, 6 Jul 2012 05:27:35 +1200
From:      Andrew Thompson <thompsa@FreeBSD.org>
To:        Vyacheslav Kulikovskyy <coolsysop@gmail.com>
Cc:        freebsd-net@freebsd.org
Subject:   Re: lagg speed trouble
Message-ID:  <CAFAOGNSLfPp0DptdmEioOTk=hTyn9YPA5zpOSzOsqBcsGjo8fw@mail.gmail.com>
In-Reply-To: <CABj7HZ-YGZbAKMts9dHa7T615cTMMq4tZemt6MYOFJp2vGunDQ@mail.gmail.com>
References:  <CABj7HZ8dnbpwhgpQ9pE=M2xJh_LFp2oYdPqvXke0GF%2B4rt7sgg@mail.gmail.com> <CAFAOGNR7cz5se8xF0i4ruxxOzp6R3oW%2BPH0=cxZWfLit-g-M6A@mail.gmail.com> <CABj7HZ-YGZbAKMts9dHa7T615cTMMq4tZemt6MYOFJp2vGunDQ@mail.gmail.com>

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On 6 July 2012 04:43, Vyacheslav Kulikovskyy <coolsysop@gmail.com> wrote:
> 2012/7/4 Andrew Thompson <thompsa@freebsd.org>
>>
>> On 4 July 2012 23:30, Vyacheslav Kulikovskyy <coolsysop@gmail.com> wrote:
>> > i have sever with two 1G links (em) aggregated by lagg0
>> >
>> > after 1700Megabits i have collisions/errors on lagg0 port, but not on
>> > em0
>> > or em1
>> >
>> > I'm using nginx in own CDN. and server don't limited my mbufs, irq, or
>> > anything else.. only lagg0 errors (
>>
>> > netstat -w 1 -I lagg0
>> >             input        (lagg0)           output
>> >    packets  errs idrops      bytes    packets  errs      bytes colls
>> >      87964     0     0    5474019      78172  1964  222220549     0
>> >      88842     0     0    5533987      78852  1811  222578109     0
>> >      87687     0     0    5454717      77279  2416  222286391     0
>> >      87995     0     0    5471653      78090  2040  223488046     0
>> >      88314     0     0    5493348      78495  1994  222548964     0
>> >      88411     0     0    5502818      78228  1949  222214374     0
>> >
>> > how i can get full link speed on this server?
>>
>> This probably means the packet could not be queued on the lagg
>> interface send queue.  Please try this patch.
>>
> this patch don't help (, on switch errors not found.
>

Can you be more specific. Did the patch fail to work or was there no
change in the speed? I don't know what you mean by "on switch errors
not found"


Andrew



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