Re: DHCP Problems with 3com 3c905C Tornado

[Andrew Morton]

Christian Loth wrote:
> 
> Hello all,

Hi, Christian.

>   I recently installed a system with the 3c905C
> NIC on RedHat 6.2. In our network, IP adresses
> are granted via DHCP, although every host has
> a fixed IP instead of a dynamic IP pool. The IP
> is statically coupled with the MAC adresses of
> our network.

hmm..  I've heard of this once before.  Running
pump from the RH initscripts?

>   The freshly installed RedHat 6.2 worked nice
> and flawlessly, and the IP was handed out correctly
> to the new machine. However after upgrading
> to the 2.2.16 RedHat Kernel RPMS, the DHCP negotiation
> no longer worked! Okay, I said, maybe it is a RedHat
> thing (they included modules both for the 90x and for the 59x
> cards, and I tried both),

Did _both_ 3c90x and 3c59x fail, or only 3c59x?

> so I downloaded 2.2.18 proper.
> I compiled in the support for the card, but also: same
> result. The old 2.2.14 RedHat kernel worked, but the
> newer kernels did not.
> 
>   Unfortunately the machine had to go on the net, so I had
> to switch the NIC for a DEC Tulip one, which worked flawlessly
> under 2.2.18 again. Therfore I unfortunately can't volunteer
> for testing :(, all I can say is that something happened
> between 2.2.14 and 2.2.16/2.2.18 which made DHCP inoperable
> for the 3c905C.

Thanks.  I'll try to reproduce this (fat chance :().
Is there any chance you can set this arrangement up
again in the future?