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Date:      Sat, 26 Jul 2003 19:37:21 +0300 (WET)
From:      Evren Yurtesen <eyurtese@tekniikka.turkuamk.fi>
To:        Tom Samplonius <tom@sdf.com>
Cc:        freebsd-isp@freebsd.org
Subject:   Re: VLAN with/and NATD
Message-ID:  <Pine.A41.4.10.10307261935400.20186-100000@bessel.tekniikka.turkuamk.fi>
In-Reply-To: <Pine.BSF.4.05.10307260820530.16986-100000@misery.sdf.com>

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Yes but when I will have many vlans behind the machine and many clients,
the natd translation table might get full eventually if I only use 1
external IP address.

I want to use same IP address in different VLANs because I have customers
with same IP addresses which has seperate gateway machines. I will just
combine all the gateway machines in one machine. Thats my plan.

Evren

On Sat, 26 Jul 2003, Tom Samplonius wrote:

> 
> On Sat, 26 Jul 2003, Evren Yurtesen wrote:
> 
> > Hi,
> > I would like to have a machine with 2 ethernets 1 is for outside
> > connection(internet) the other one is for inside connections(VLANs)
> > 
> > Now the problem is that I want to use NAT inside VLANs that, lets say I
> > want to be able to use use 192.168.1.0/24 IP block in every VLAN and in
> > different VLAN's the same IPs should be able to be used.
> 
>   If you use the single 192.168.1.0/24 for all your VLANs, and you do not
> subnet it further, you don't really have multiple VLANs.  You just have
> one.
> 
> > Does anybody have any suggestion how to do this? I would guess that I need
> > multiple IP addresses in the outside interface but how do I map the VLAN
> > interfaces to use those IPs with NAT?
> 
>   No, you can multiple internal interfaces without problem.  natd only
> cares about traffic leaving and entering the external interface.  
> 
> > Evren
> 
> Tom
> 
> 



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