Network changing from eth0 to eth1

[Bill Davidsen]

Mikkel L. Ellertson wrote:
> Bill Davidsen wrote:
>> Mikkel L. Ellertson wrote:
>>> If you are using the network service and DHCP, ifcfg-eth0 should
>>> look something like this:
>>>
>>> DEVICE=eth0
>>> BOOTPROTO=dhcp
>>> ONBOOT=yes
>>> HWADDR=<MAC address>
>>> DHCP_HOSTNAME=<something>
>>> TYPE=Ethernet
>>> IPV6INIT=no
>>> NM_CONTROLLED=no
>>> USERCTL=no
>>>
>>> You don't need all of this - you could get by with:
>>>
>>> DEVICE=eth0
>>> BOOTPROTO=dhcp
>>> ONBOOT=yes
>>> NM_CONTROLLED=no
>>>
>> I really suggest using the MAC field, it prevents learning about
>> Plauger's Law (law of least astonishment) the hard way... Of course the
>> O.P. was using the MAC field (I suspect) and didn't know it.
>>
>>> You should also be able to create it using system-config-network.
>>>
>> Indeed. And I believe that should be part of the default install again.
>>
>>> Mikkel
>>>
> With /etc/udev/rules.d/70-persistent-net.rules, you are probably not
> going to run into it if you do not use HWADDR in ifcfg-eth? On the
> other hand, I do tend to use something like the first example I gave
> - you don't need to, but it can prevent surprises.
> 
There are valid arguments both ways, as long as you have only one NIC. After 
that you really want to have them called by the same names.  ;-)

-- 
Bill Davidsen <davidsen at tmr.com>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot