[RndTbl] Network performance tuning

Sean Walberg swalberg at gmail.com
Wed Apr 7 06:28:34 CDT 2010


Before you go switching hardware, try swapping cables and switch ports.

Sean

On Wed, Apr 7, 2010 at 12:00 AM, Adam Thompson <athompso at athompso.net>wrote:

>  Actually, I was mainly hoping to verify that it was, indeed, a hardware
> problem.  One person (Trevor) reporting similar results has fairly
> decent-quality GigE NICs on both sides – or at least what I **assumed** to
> be fairly decent-quality NICs!
>
>
>
> In your case, I’d say yes, it’s time to test different NICs.  Obviously one
> of your NICs is OK – although I wouldn’t want to put much money on which one
> until I tested thoroughly.
>
>
>
> I’d also not be willing to put money on whether it’s the NIC hardware or
> the software (i.e. device driver) – even though you tested under two OSes,
> the Linux drivers and the Windows drivers share a lot of code for both Intel
> and Realtek NICs nowadays.
>
>
>
> -Adam Thompson
>
>  <athompso at athompso.net>
>
>  (204) 291-7950
>
>
>
> *From:* roundtable-bounces at muug.mb.ca [mailto:
> roundtable-bounces at muug.mb.ca] *On Behalf Of *Kevin McGregor
> *Sent:* Tuesday, April 06, 2010 18:37
> *To:* Continuation of Round Table discussion
> *Subject:* Re: [RndTbl] Network performance tuning
>
> [...]
>
> The source hardware seems to be having a problem sending. Receiving, less
> so:
>
> [...]
>
> ...Although push the bandwidth (UDP) too high, and a lot of packets get
> lost.
> [...]
> Any further thoughts?
>
>
>
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>
>


-- 
Sean Walberg <sean at ertw.com>    http://ertw.com/
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