Network changing from eth0 to eth1

[Bill Davidsen]

Mikkel L. Ellertson wrote:
> Roberto Ragusa wrote:
>> FWIW, I just discovered how useful can be a manually modified
>> 70-persistent-net.rules file.
>>
>> You can map MAC addresses to interface names and completely remove
>> the HWADDR from ifcfg-eth? files.
>>
>> In my case this is perfect because I want to have *two* different
>> NICs as eth0 (not at the same time, obviously), two NICs as eth1,
>> two NICs as eth2.
>>
>> I didn't think it could be so easy to have a configuration with
>> 3 NICs (it's a firewall machine) and have the ability, in case of
>> a hardware problem, to just remove the disk from the failed machine,
>> put it into a backup machine and have the new 3 NICs automatically
>> assigned to the correct interface names so everything works with
>> no reconfiguration.
>>
> Thanks - that is one I didn't think of. I can use that on my USB
> drive so that it uses eth0 on any known computer I plug it in to. I
> will have to try doing the same thing for CD/DVD drives.
> 
Interesting thought, I could put my firewall install on the USB key, and for 
failover just move it to another machine.

-- 
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