Re: An Interface with alias

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Thank you Andy,

Why not just use multiple physical network interfaces?

because shortage of interfaces physical.





Em 1 de fevereiro de 2012 17:08, Andrew Beverley <andy@xxxxxxxxxxx> escreveu:
> On Fri, 2012-01-20 at 15:46 -0200, Usuário do Sistema wrote:
>> so... I wonder if is very bad or what can happen when I do alias on a
>> interface for more the one network. for exemplo:
> ...
>> I wish drop any packages between theses network. any traffic between
>> the network 172.16.30.0/30 and 172.16.30.4/30 must dropped by
>> iptables.
>
> That sounds a bit messy, and I don't even know if it's possible. Why not
> just use multiple physical network interfaces?
>
> Even if you got it working, if the computers on the 2 separate networks
> had their netmask incorrectly configured, then you'd get traffic passing
> directly between them without even going to the Linux box.
>
> Andy
>
>
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