Re: Linux router (don't laugh) WAS:Re: test

[John Fraizer <John.Fraizer () EnterZone Net>]

At 11:32 AM 10/28/98 -0800, you wrote:

> You have two problems with this and they're both PC hardware-based.
> 1) IRQs are limited, if you subvert the printer and COM IRQs and have a
> single SCSI card for your disk (and the required SVGA display controller),
> you can use IRQ 3,4,5,7,11,12,14,15. This will max you out at 8 NICs on a
> linux box. Each NIC must have its own IRQ.

Survey says, "BUZZZZZZZZ"

> From http://www.adaptec.com/products/datasheets/quartet.html

"Hardware Interrupts: 
    PCI interrupt A, supports shared interrupts"

> So, if you are only doing 10baseT, you can have a mix of ISA/PCI NICs for a
> maximum total of eight NICs before you start running into serious hardware
> limitations. For 100baseTX you have a maximum of four NICs. Total cost
> should be under $900US, if you are running Linux, plus the time it takes to
> configure this mess (about three daze [call it a week]).

3 hours, includes: unpackaging all raw components, building system,
installing the OS, setting up routing table and ipfwadm rules, installing
ssh, and making the box basically secure.

Then again, I build them on a regular basis.




-------
John Fraizer                      |    __   _
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                     A 486 is a terrible thing to waste...