[HECnet] FDDI advice

On Thu, Oct 10, 2013 at 02:36:04PM +0200, Peter Lothberg wrote: FDDI/CDDI is a dual ring token ring bus, with 4470 MTU byte packets, it has 802.-- frames. DEC had a mode where you turned the token off and used it for ptp full duplex. I didn't know about the ptp thing. That's nifty. 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. But you need nothing to build a FDDI ring, its a A and a B ring, you can just plug the cards together with fiber-patch-cables. Unless you have one of those obnoxious single attached station cards. -brian