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the disappear of eth0

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Fabio Berardi

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May 17, 2002, 7:01:33 PM5/17/02
to
Hi all,

Initially the auto configuration for my ethernet card in RH7.2 install
process work properly. All did seem work fine. But when I changed BROADCAST
with ifconfig and restart the computer, I cannot find anymore my eth0
device.
When I type 'ifconfig eth0 up' the response is:
'eth0: unknown interface: No such device'.
What happened to the device? How can I restore the standard configuration?
File /etc/sysconfig/ifcfg-eth0 is present and contains:
DEVICE=eth0
BOOTPROTO=static
BROADCAST=141.29.243.255
IPADDR=141.29.243.97
NETMASK=255.255.252.0
NETWORK=141.29.240.0
ONBOOT=yes
TYPE=Ethernet
USERCTL=no
PEERDNS=no
HWADDR=00:60:97:20:a1:d4

The only interface that appear at 'ifconfig' command is 'lo' and seem work
properly-

Can anyone help me?

Tanks in advance.

Fabio

Michael Kelly

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May 17, 2002, 9:38:08 PM5/17/02
to
Fabio Berardi wrote:

> When I type 'ifconfig eth0 up' the response is:
> 'eth0: unknown interface: No such device'.

Do
/sbin/lsmod

See if the module for the card is loaded.
If not try
modprobe driver (whatever driver module you use for the card)

and see if ifconfig eth0 up
will work.

If not look in your bootup msgs and see if
it sees the hardware on boot.

If none of that works, try
comp.os.linux.networking

where the networking heavies hang out.

--

"Only choice is an oxymoron."

Fabio Berardi

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May 18, 2002, 9:56:18 AM5/18/02
to
Tanx Michael,

your suggestion allow me to solve the problm and understand
something about modules and dynamic configuration of the kernel.

The problem was /usr/bin/neat (KDE menu -> System -> Network Configuration)
that saved irq=Unknown option for the eth0 in /etc/modules.conf.
Only after I removed that option, modprobe loaded the eth0 (3Com 3c59x)
module correctly.

Tanks

Fabio

Michael Kelly

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May 18, 2002, 10:12:45 PM5/18/02
to
Fabio Berardi wrote:

[snip]

> The problem was /usr/bin/neat (KDE menu -> System -> Network
> Configuration) that saved irq=Unknown option for the eth0 in
> /etc/modules.conf. Only after I removed that option, modprobe loaded the
> eth0 (3Com 3c59x) module correctly.
>

Glad you got it going. :)

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