I just reran the test again.  I still receive about 600Mbps using iPerf
however using

client
# dd if=/dev/zero bs=1000 count=1000000 | nc -v 172.16.2.2 12345

server
# nc -v -l 12345 > /dev/null

I get numbers around 350Mbps.  I tend to think iPerf is more reliable in
this situation. 
Any ideas why the tests vary so much?
-Jim

On 9/28/12 9:18 PM, Ryan McBride wrote:
> 600Mbps seems about right, I tested a pair of E5649-based boxes to
> 550Mbps last year (with aes-128-gcm):
>
> http://marc.info/?l=openbsd-misc&m=134033767126930
>
> You'll probably get slightly more than 600 with with multiple TCP
> streams. 
>
> Assuming PF was enabled for your test (the default configuration), the
> performance should be about the same with a proper ruleset. Traffic for
> existing states won't hit the ruleset at all.
>
>
> On Fri, Sep 28, 2012 at 06:39:14PM -0400, Jim Miller wrote:
>> Yes.  Let me double check everything again on Monday.  Keep in mind that
>> all devices had 1Gb ethernet interfaces and everything was directly
>> cabled.  No pf rules either.  w/o ipsec I could get 900mbps through the
>> openbsd boxes.
>>
>> Now you've got me thinking I need to recheck everything.
>>
>> -Jim
>>
>> On 9/28/12 5:19 PM, Hrvoje Popovski wrote:
>>> Hi,
>>>
>>> On 28.9.2012 22:09, Jim Miller wrote:
>>>> So using another Mac w/ 1Gb ethernet adapter to a Linux box w/ 1Gb eth I
>>>> was able to achieve approx. 600Mbps performance through the test setup
>>>> (via iperf and my dd method).  
>>>>
>>> 600Mbps via ipsec between two Intel E31220 ?

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