On Sun, Aug 29, 2010 at 11:40 AM, Nadav Har'El <n...@math.technion.ac.il>wrote:
> On Sun, Aug 29, 2010, shimi wrote about "Re: Can there be an Ethernet > Switch that doesn't work with Linux???": > > > It could be that there's an Ethernet negotiation problem, in such a way > that > > your MAC doesn't get registered on the switch (?). Not necessarily a > Linux > > problem. Maybe a NIC problem, or an Ethernet cable problem. Of course > that > > with a Hub that would work anyways, because a Hub broadcasts to all > ports, > > regardless of negotiation... > > Like I said on a previous mail, the speed negotiation works. The guess that > the switch has a bug and forgets my computer's MAC address makes sense, but > how come it forgets the Linux computer's and remembers the Windows one? :( > > > I didn't mention 'speed' in my message. I don't have really deep knowledge in this, but what I do know (and of course stand to be corrected...), is that part of 'switching', when an Ethernet link goes up, both sides "announce" their MACs to the other end; This data is then stored, and used to decide to which physical port should the Ethernet frame be sent. That's what SWITCHing is all about. What I was suggesting is that something went wrong there, this is regardless to speed, MDI-X, etc. etc. and perhaps the wrong MAC was registered, or something similar. That would cause traffic destined to your MAC to not arrive to your port. Theoretically it fits ;) -- Shimi
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