[tech] hydra (uccrouter 2)

[Leighton Haynes]

On Thu, Sep 21, 2000 at 10:30:00AM +0800, Ian McKellar wrote:
> On Wed, Sep 20, 2000 at 08:44:39PM +0800, Grahame Bowland wrote:
> > 
> > We should allocate some space in the clubroom for this, too. I often get 
> > people asking me to be around so they can install something off the mirror 
> > or ftp.uwa - it'd be nice if they could do this easily.
> 
> Yes - easily, without fucking anything else up. It would also let us set up
> machines without unplugging others.
> > 
> > The diagram seems to imply buying another switch. This is probably a good 
> > idea to get 100Mb to the hosts in the clubroom that support it (when grabbing 
> > ISOs off the mirror, for example). However, should we do what Dunc suggested 
> > and borrow a switch and try it first?
> 
> I'm not convinced we need another switch. I'm not convinced it would make
> things better. We're unlikely to succeed in pushing much more than 10Mbit
> through a PC. Think 33Mhz PCI bus. I believe we have a 100M hub - that
> should do for the "insecure" segment (IMO).
I don't see it as being that useful, but for different reaons. Most of the
things on that second segment either don't generate much traffic, or have
10Mbit cards.
As for the PCI bus... i threw almost 1000Mbit through it. 100Mbit shouldn't
be an issue. (It's only 33MHz, but it's pretty wide.) Wonder if the drivers are
bright enough to work out when a packets just being routed, and transfer 
directly card->card instead of card->main memory->card ;)

Leighton...

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