how 2 address&port map outbound traffic to multiple/different IPs on a single intfc?

[Vasily Ivanov]

Hello.

On 12 June 2007 09:20, snowcrash+freebsd wrote:
[- snip -]

> (2) from the POOLS discussion, 'simple' outbound NAT:
>
> 	nat on $ext_if from z.z.z.102 port 25 to any -> ($ext_if)
> 	nat on $ext_if from z.z.z.102 port 25 to any -> ($ext_if)
>
> doesn't do it either - i dno't think -- as $ext_if picks up the
> "primary IP" assigned via the pppoe startup, x.x.x.1.

You can specify required IP explicitly, like 

	nat on $ext_if from z.z.z.102 port 25 to any -> x.x.x.2

You don't even need aliases on interface (at least it works for my ethernet 
connection, dunno about pppoe). Just make sure your upstream routes traffic 
to your x.x.x.x/29 into your box.

>
> so, i think i'm in the right ballpark with *nat of some sort, but how
> do i get this done correctly?
>
> cheers!
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-- 
wbr, 
Vasily
http://www.academ.org
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