[HECnet] FDDI advice

[Hans Vlems]

A hu is two inches, right?


Van: Brian Hechinger
Verzonden: donderdag 10 oktober 2013 16:35
Aan: hecnet at Update.UU.SE
Beantwoorden: hecnet at Update.UU.SE
Onderwerp: Re: [HECnet] FDDI advice


On Thu, Oct 10, 2013 at 02:32:26PM +0000, Paul_Koning at Dell.com wrote:
> > 
> > On Oct 10, 2013, at 8:44 AM, Brian Hechinger <wonko at 4amlunch.net> wrote:
> > 
> >> On Thu, Oct 10, 2013 at 02:36:04PM +0200, Peter Lothberg wrote:
> >>> ...
> >>> For example cisco/cabletron/crecendo had ethnernet switches with a
> >>> FDDI uplink, that you could use.
> >> 
> >> DEC made one as well, it was that large modular thingie. I used to have
> >> one. Never got it powered on as it was enormous.
> 
> The original one is the DECbridge 500, a 3U rack mounted device, 3 or 4 cards, 3 Ethernets (10 Mb/s) to FDDI. See the DTJ issue I mentioned in my previous note.
> 
> The other two: the DECbridge 900, which plugged into the 900 series modular enclosure. It's about the side of a 400 page hardcover book, FDDI to 6 Ethernet ports, 60,000 packets per second using a MC68040 at 25 MHz. I'm still proud of that. (I wrote the "fast path" packet forwarding firmware.)

Neat!

> Then there is the Gigaswitch, a large modular chassis with lots of line cards, some FDDI, some Ethernet, possibly some with other stuff I don't remember.

I think this is the one I had. Big modular thing. Maybe (and going by
really fuzzy memory here) 8U high?

-brian