Ubuntu 7.10 networking problem - SOLVED

[Alexandru Stan]

Thanks for the reply Derek!

The problem was that i was not sending the DHCP server good info

I had to use 1:<my_mac> (and NOT 1:0:<my_mac> aka uncommenting the line 
already present in dhclinet.conf)

alex

Derek Broughton wrote:
> Alex wrote:
>
>   
>> Hi,
>>
>> Please help a noob to get his internet connection going in this Gutsy !!!
>>
>> ok so i am in an internal network where i get ip address assigned from a
>> dhcp server based on my mac.
>> in the previous release of ubuntu i used to edit /etc/dhcp3/dhclient.conf
>> : ...
>> send dhcp-client-identifier 1:0:<my mac>  (1:0: or 10: ... not sure
>> which one worked)
>> ...
>>
>> now in gutsy i additionally changed /etc/network/interfaces so that it
>> contains the following lines:
>> ...
>> auto eth0
>> iface eth0 inet dhcp
>> ...
>>
>> still ifup eth0 gives me no ip from the dhcp server.
>> More background:  <my mac> was set using ifconfig eth0 hw ether <my
>> mac>  (becuase <my mac> on which i am granted an IP is not actually my
>> nic's MAC)
>>
>>
>> Any suggestions on what i am doing wrong?
>>     
>
> Do you have an /etc/iftab?  Does it tie some other MAC to eth0?  I found
> that after a fresh install, my real NIC's MAC was tied to eth1 and eth0 was
> tied to a MAC that consisted of the first half of the real MAC for my
> wireless NIC (which is really on wlan0, anyway).  I just commented
> everything out of there, and now it works fine.
>