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Re: Network changing from eth0 to eth1



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


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