setting IP address manually

[Tim]

Mike McGrath

>> Though I believe the issue you may be having is that you're trying to
>> assign the same IP address to both interfaces.  They should have a
>> different IP address (and ideally be on a different network)  for
>> example, eth0: 192.168.1.250,  eth1: 192.168.2.250.

Bruno Wolff III:

> No that isn't it. You can use the same IP address on different interfaces.

That's asking for problems.  IP addresses relate to interfaces, not
machines.  Each interface should have an unique address.  You'd be
relying on your system trying to sort out problems for you with the same
IP on different interfaces, and that's never a good thing.

> The message about an IP address already in use, means some other system on
> the same network is using that address.

How's it going to do that, then?  My computer has no idea about another
computer on my network unless it talks to it, and they don't do that
unless I deliberately try something between the two of them.

I *can* set two PCs on a network with the same IP address, it's an
accident that happens time and time again on any network that has
visiting PCs.  Of course I'm going to have lots of problems, but nothing
stops me from doing so in the first place.

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