DHCP will not grab ip.

[Michael Magua]

On Thu, Oct 9, 2008 at 12:15 AM, Dave Feustel <dfeustel at mindspring.com>wrote:

> On Wed, Oct 08, 2008 at 10:20:17PM +0100, Laura Speck wrote:
> > Hey all,
> >
> > I am having a problem with a brand new install of Fedora 9. This
> > machine has two nic's, eth0 and eth1. They are both . We currently
> > have eth0 plugged into a router, had eth1 plugged in earlier to try it
> > as well but we have this problem on both nics.
> >
> > Basically, on install we specified that both nics were to be dhcp, and
> > to come up on boot. But neither of them get an ip on boot. I know that
> > it's not a problem with the cable, as we plugged it into a different
> > machine and it works fine. I don't think it's a problem with the nics
> > as I can't see both of them being toast on a new machine.
> >
> > ifconfig eth0 up does nothing. I've gotten someone local to the server
> > to try dhclient eth0 and then tail /var/log/messages. We see
> > DHCPREQUEST, a bunch of DHCPDISCOVER lines and then end with a "No
> > DHCPOFFERS received" message. ifconfig never shows either interface as
> > having an "inet ..." line, but they get an "inet6 ..." line. I know
> > it's not a problem with the dhcp server because it's our isp's, and
> > our other machines can grab an ip fine.
> >
> > I've shut off Networkmanager (service NetworkManager stop) and started
> > the network (service network start).
> >
> > service network start outputs:
> > Bringing up loopback interface [OK]
> > Bringing up interface eth0:
> > Determining IP information for eth0... failed. [FAILED]
> > Bringing up interface eth0:
> > Determining IP information for eth1... failed. No link available.
> > Check cable. [FAILED]
> >
> > Our /etc/sysconfig/network-scripts/ifcfg-eth0 looks like...
> >
> > DEVICE=eth0
> > BOOTPROTO=dhcp
> > ONBOOT=yes
> >
> > Any tips would be greatly appreciated. Thanks in advance!
> >
> > Laura
>
> I have F9 running on a computer with just one nic. Everything worked
> until about a week ago, when the nic suddenly no longer automatically
> got a dhcp address. My work around is to run dhclient etho &. DHCP
> connects then. I still haven't figured out why this happened or what
> the correct fix is.
>

 You're missing the HWADDR= stanzas in your configs. This tells the kernel
which NIC is actually eth0 and eth1 by identifying the MAC address.

-- 
Regards,
Michael Magua

RHCE 805008570430920
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