FW: [Malvern] More Networking Questions

[Ian Pascoe]

Hi Renyk

Thanks for that.

I can see your arguement about the interrupts, but in my simplistic mind
surely the quantity would be the same whether they came from a dual port
card or two single ones?

And for a really stupid questin .... do you need a GHz processor to
successfully deal with gigabit ethernet?  IMO yes to stop from getting
buffer overflow situations.

E


-----Original Message-----
From: Renyk Devandre [mailto:rdevandre at wortech.ac.uk]
Sent: 19 September 2007 20:41
To: ianpascoe at btinternet.com
Subject: RE: [Malvern] More Networking Questions


Hi Ian,

There is a definitive answer, at twinport will share a single irq/iomem
range two single cards will have the benefit of separate IRQ/iomem and
nmi as well as independent frame processing and stacks as the twinports
often are simplified switching arrangements sharing the same processor
frame rewrite engine etc...

Regards,

Renyk

-----Original Message-----
From: malvern-bounces at mailman.lug.org.uk
[mailto:malvern-bounces at mailman.lug.org.uk] On Behalf Of Ian Pascoe
Sent: 19 September 2007 20:37
To: Malvern at mailman.lug.org.uk
Subject: [Malvern] More Networking Questions

Hi Folks

Simple one this!

I've found plenty of resource on the net regarding this question, but
most
of it appears to be personal opinion, and I wondered if anyone out there
had
a definitive answer.

Apart from cost, and storage space in a PC, which is better, to have a
twin
port PCI ethernet card., or two single cards?

E



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