Ethernet cards Intel PRO/1000 QP (82571EB) and Intel PRO/1000
QP (82575GB)
Mike Tancsa
mike at sentex.net
Thu Mar 3 15:50:48 UTC 2011
On 3/3/2011 9:38 AM, Mike Tancsa wrote:
> On 3/3/2011 9:27 AM, Patrick Lamaiziere wrote:
>> Hello,
>>
>> I've got two ethernet cards Intel PRO/1000 QP (82571EB) and Intel
>> PRO/1000 QP (82575GB) in one router/firewall. I use OpenBSD 4.8 on
>> this box. That works fine, but I see some input "Ierr" on the interfaces
>> (using netstat), even when the load is not very high.
>>
>> $ netstat -I em2 -w2 (bandwith = 150 Mbits)
>> em2 in
>> packets errs
>> 43263 0
>> 43458 17
>> 39056 0
>> 46648 124
>> 44783 630
>> 42571 0
>> 45338 0
>> 40932 33
>> 43713 84
>> 40193 193
>> 40491 0
>>
>> I would like to know if under FreeBSD, you see this kind of Ierr?
>
> what does
> sysctl -a dev.em
On my RELENG_8 box anywhere from 150-200Mb. Its an i7 920 with HT
disabled. I get the odd error when traffic might burst to ~300Mb, or if
its a high pps DDoS
netstat -I em3 -w2 -b
input (em3) output
packets errs idrops bytes packets errs bytes colls
56679 0 0 47939889 24152 0 9241389 0
54177 0 0 46428216 21228 0 7658356 0
56423 0 0 47128429 21150 0 7504242 0
56355 0 0 48825932 21268 0 7375570 0
51313 0 0 41167876 21769 0 7745953 0
50287 0 0 40457080 20546 0 7636296 0
53996 0 0 44835477 22446 0 8195803 0
56622 0 0 47612493 22716 0 9101322 0
55103 0 0 43807429 23357 0 9618771 0
51373 0 0 40845281 21921 0 7621992 0
51047 0 0 39974391 21696 0 8036735 0
54348 0 0 43621771 21423 0 8145924 0
57291 0 0 47342937 22954 0 7952060 0
53454 0 0 43216991 21437 0 8131857 0
53968 0 0 43914442 21597 0 8433904 0
55069 0 0 46510336 22778 0 7717062 0
53664 0 0 43481854 24254 0 9693232 0
57467 0 0 45683446 25757 0 9747942 0
54721 0 0 43217577 23125 0 9481772 0
62349 0 0 52526624 23861 0 9862234 0
em3 at pci0:3:0:1: class=0x020000 card=0x115e8086 chip=0x105e8086 rev=0x06
hdr=0x00
--
-------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike at sentex.net
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada http://www.tancsa.com/
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