Re: DHCP will not grab ip.

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Mark Haney wrote:
Laura Speck wrote:
2008/10/9 Michael Magua <[email protected]>:
On Thu, Oct 9, 2008 at 12:15 AM, Dave Feustel <[email protected]>
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...


Any tips would be greatly appreciated. Thanks in advance!

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
which NIC is actually eth0 and eth1 by identifying the MAC address.
Thanks, but nothing seems to change when I add the HWADDR to both
eth's configs, so the problem is still existing.


Just for fun, have you checked to see if you have any available IP
addresses on your router?
We had this problem a while back and it turned out our leases were
permanent and once the pool was used up, no one could get a lease.

No, they plugged in another computer to the router and according to them it worked fine. My guess is the drivers for both net cards are not correct. Who is the manufacturer of the cards?
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