[c-nsp] PIX and NAT

Kenny Sallee k_sallee at yahoo.com
Sun Oct 24 23:56:21 EDT 2004


Do you have routers on both sides of the VPN tunnels? 
If so, why not just use GRE tunnels?  

Kenny

--- Vladimir Sulinets <beerer at gmail.com> wrote:

> Hello,
> 
> is it possible to apply on PIX such scheme? - on the
> outside interface
> there are few IPSec-tunneled clients (with /24
> delegated to everyone),
> and they must communicate with each other. Under
> normal circumstances
> it is impossible, but for this purpose I want to use
> router on inside
> interface and want pass it traffic from PIX by using
> NAT. What I mean:
> 
> if destination of traffic, received on outside
> interface, is
> 10.1.1.0/24, then rewrite it as 10.100.1.0/24, which
> is routed to
> router on inside interface. The same is done for
> another networks
> (10.1.2.0 -> 10.100.2.0, etc). Router returns this
> traffic to inside
> interface (through PBR, for example) and PIX do
> reverse NAT -
> 10.100.1.0/24 -> 10.1.1.0/24, which is handled under
> normal way.
> 
> The question - is it possible and, if it, how this
> can be done?
> 
> Thank you.
> 
> -- 
> Vladimir
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