Question: Why ain't I getting gigabit speed?

[Damien Fleuriot]

On 8 Feb 2013, at 21:48, "Ronald F. Guilmette" <rfg at tristatelogic.com> wrote:

> 
> In message <F03C262C-E798-4062-8B17-59F045ADB82D at jnielsen.net>, 
> John Nielsen <john at jnielsen.net> wrote:
> 
>> On Feb 7, 2013, at 4:13 PM, Ronald F. Guilmette <rfg at tristatelogic.com> =
>> wrote:
>> 
>>> I just aquired a brand new chepie gigabit PCI ethernet card off eBay.
>>> The main chip on it appears to be an RTL8110S-32.
>>> ...
> 
>> I would suspect the switch ("router"). FYI:
>> http://forum.qnap.com/viewtopic.php?f=3D11&t=3D47421#p213242
>> 
>> I have an re interface on my FreeBSD router and it connects at 1000baseT =
>> no problem.
> 
> Could you please send or post the relevant ifconfig printout for that,
> and also the applicable/relevant dmesg lines?
> 
> This problem is very perplexing, but I don't think that the problem
> is with my Linksys E2000.
> 
> I did some more experiments.  Fortunately, I had a CAT6 crossover cable
> lying around.  So I used that and connected my machine with the RTL8110S-32
> in it directly to two other machines with gigabit interfaces.  One was
> my other server.  The other was a laptop I have here.  The results were
> very strange.
> 
> In the case of connecting to the laptop, all seemed to work correctly,
> however ifconfig showed that my re0 device in this case believed itself
> to be "master".  (I suspect that this may make a difference, and that
> the current FreeBSD re driver may perhaps behave better when it is
> acting as master.)
> 

?????
Come again ?
Master what ?
You never mentioned using lagg.


> In the case of connecting (via CAT6 crossover) direct to my other server,
> things got even more strange.  In this case, after making the connection,
> autonegotiation apparently worked correctly, and I could see "1000baseT"
> in the output from "ifconfig re0", *however* a moment or two later,
> suddenly the connection was entirely dropped, and now the ifconfig
> output said "no carrier".  I reproduced this sequence multiple times.
> It is readily reproducable.  (The other server is running FreeBSD 8.3-
> RELEASE with an on-motherboard Nvidia gigabit ethernet interface, BTW.)
> 
> I am inclined to wonder if perhaps the re driver has some rough edges
> still.
> 
> 
> Regards,
> rfg
> 
> 
> P.S.  Since this card is really not working out for me, has anybody got
> a suggestion and/or link they could send me for an _inexpensive_ gigabit
> PCI nic that works reliably with FreeBSD?  (I am hoping for something under
> $12 

Come on you've got to be kidding here...
Get an intel or a Broadcom, cough up a bit more than duh... $12, and you'll be happy with that card.

FYI I'm getting 1000baseT from built-in NICs.