[ILUG] Network cards not initialising

[Dermot Hanley]

On Thu, Jun 29, 2000 at 03:26:36PM +0100, Niall O Broin wrote:
> On Thu, Jun 29, 2000 at 02:16:12PM +0100, Dave Airlie wrote:
> 
> > Cards are getting confused in Auto-negotiation, just use the dosutils as
> 
> Problem arose when a new G4 Mac was purchased. This will NOT work on the
> switch, although an iMac works fine. The Mac vendor brought in a 100M hub
> and the G4 works fine connected to the switch cascading through the hub. The
> Mac vendor (of course) claims that the switch must be faulty (despite the
> fact that everything else works fine with it, including the hub he brought -
> shades of "They're all out of step except my Johnny"). Now, I'm safely out
> of the loop here, not having supplied the networking kit, but I'm taking a
> little heat, and I'm just wondering if 10M/100M auto-negotiation problems
> are not unknown. The G4 works also with the old 10M hubs, so I'm presuming
> that what's failing is the speed negotiation  G4 <-> switch.

What autonegotiation modes are supported by *both* the NIC in the G4 and the
switch?  Any decent NIC, swithing hub, or switch will support the IEEE 802.3u
autonegotiating standard. If it doesn't it shows that it's an old piece of kit
or just a crap piece of kit. Check your respective manuals.

Regards,
Dermot
-- 
Dermot Hanley, Systems & Network Administrator
Irish Times New Media - http://www.ireland.com