Message-ID: <1A8904C3797ED411AC2E0008C7E6F88117C74F@nlntmail2b.ats.nld.alcatel.nl> From: "Witvliet, Hans" <Hans.Witvliet@Alcatel.nl> Date: Wed, 24 Jan 2001 18:37:09 +0100 Subject: RE: [suse-sparc] quad ethernet
Ok, Thanx Leif, Joshua,
As it would be a critical part in our network and they are currently $3000
(new) i would like to be sure before ordering them.
so will try to get some second hand to experiment on first, sometimes they
appear on ebay...
Again thanks for the quick reply, Hans.
> -----Original Message-----
> From: Leif Sawyer [SMTP:lsawyer@gci.com]
> Sent: Wednesday, January 24, 2001 6:24 PM
> To: suse-sparc@suse.com; Witvliet, Hans
> Subject: RE: [suse-sparc] quad ethernet
>
> Joshua Uziel [uzi@suse.com] writes:
> > * Witvliet, Hans <Hans.Witvliet@Alcatel.nl> [010124 07:59]:
> > > Question 1) Is this board supported by linux?
> >
> > Yes, a qfe is 4 hme interfaces, and it is supported just fine.
> >
>
> Well, yes. Depends on the kernel rev. versions prior to 2.2.18
> would kernel panic depending on your config.
>
> > > Question 3) Is SUN's estimation correct, that no more than
> > > ONE board per system is advisable?
> >
> > I've not tried it under Linux [...]. Someone was complaining
> > about two not working together in their machine [...]
> > a few months ago.
>
> C'est moi. The problem was that the kernel would ID the board
> correctly from PROM. It would then statically count 4 iterations
> for the 4 interfaces. In theory, this works great.
>
> [Granted, all of this information comes from my experience with
> Linux on an UltraSparc 2, dual-300.. YMMV ]
>
> When you add a second board, PROM doesn't keep track of both boards
> like you would think. Instead of keeping track of 2 separate boards,
> what it does is arrange the interfaces into a single logical segment.
> Thus it looks like an 8-port interface, rather than a 4 port.
> So linux never sees it.
>
> I haven't checked the recent 2.4.0+ kernels (last I checked was 0-test5)
> to see if my patches have made it through. I guess I'll have to
> take some time to re-check it, or possibly redo my patches to support
> more than 4 ports.
>
> Good luck!
This archive was generated by hypermail 2.1.0 : Wed Jun 06 2001 - 11:08:36 PDT