Intel 82580 lagg(4) problem

[Adrian Chadd]

Oh wait a sec - you mean that you're running freebsd-8.4 but with the
freebsd-8.3 driver (and freebsd-8.4 lagg?)


-adrian



On 18 October 2013 01:25, Andriy Kopystyansky <anri at polynet.lviv.ua> wrote:

>
> Цитую mybsd <mybsd at hotmail.com>:
>
>
>  Set net.link.lagg.0.use_flowid=0 not solve the problem.
>>
>> My system is freebsd 8.4, use the e1000 driver from freebsd 8.3 solves
>> this problem .
>> Should confirm that the problem is driver
>>
>> I have already submitted the BUG.
>> http://www.freebsd.org/cgi/**query-pr.cgi?pr=182917<http://www.freebsd.org/cgi/query-pr.cgi?pr=182917>
>>
>>
> I can confirm, e1000 driver from freebsd 8.3 works as expected, i've got
> almost 1.8 Gb/s over lagg(4) interface, whereas using default driver from
> 9.1 couldnt get more than 1.2Gb/s.
> Trying iperf test to two different dst:
> 1) [SUM]  0.0-54.5 sec  5.50 GBytes   867 Mbits/sec
> 2) [SUM]  0.0-90.1 sec  9.25 GBytes   882 Mbits/sec
>
> ifstat on lagg,igb using 8.3 driver:
> anri at host:[11:01]~#ifstat -i lagg1,igb0,igb2
>       lagg1                igb0                igb2
>
>  KB/s in  KB/s out   KB/s in  KB/s out   KB/s in  KB/s out
> 21748.67  221021.3  10419.36  122968.5  11442.13  150645.1
> 22010.81  222652.2  10954.49  125154.8  11161.90  150698.2
>
> Test above was performed with net.link.lagg.1.use_flowid=1
> Setting this to =0 leads to slightly less throughput, and noticable cpu
> overhead. (I havent any non-ip traffic).
>
> --
>
>
>
>
>
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