Messages in this thread | | | Date | Fri, 16 Feb 2001 11:19:21 +0000 (GMT) | From | James Sutherland <> | Subject | Re: 8139 full duplex? |
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On Fri, 16 Feb 2001, Rogier Wolff wrote: > Jeff Garzik wrote: > > On Fri, 16 Feb 2001, Rogier Wolff wrote: > > > I have a bunch of computers with 8139 cards. When I moved the cables > > > over from my hub to my new switch all the "full duplex" lights came on > > > immediately. > > > > > > Would this mean that the driver/card already were in full-duplex? That > > > would explain me seeing way too many collisions on that old hub (which > > > obviously doesn't support full-duplex). > > > > > > (Some machines run 2.2 kernels, others run 2.4 kernels some run the > > > old driver, others run the 8139too driver). > > > > Some versions of the driver bork the LED register, which may lead to > > false assumptions. > > Does the driver control the led on my switch?????
No, the switch does that.
> (My cards just have a "link" led, and a "100Mbps" led)
Ah... Mine have an FD indicator. I think - it's a while since I last looked closely enough at the back of the machine to tell :)
> I'm not going back to the hub after upgrading just to see the > changeover messages. I'm confident that we're running full-duplex now > on the switch and that that's OK with the switch. I was just wondering > wether this confirmed my suspicion that there was something wrong with > the /duplexicity/.
I suppose one machine could have auto-negotiated wrongly - was it a Linux box? I've seen Win2k fail to negotiate the best settings - running HD on a switch - but I haven't seen FD on a hub...
James.
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