Re: NAT and NAT

[Jason Dixon <jasondixon_(_at_)_myrealbox_(_dot_)_com>]

On Mon, 2002-12-16 at 12:21, Derick Siddoway wrote:
> Internet <--> RouterA + NAT for 192.168.1.x <--> RouterB + NAT for 10.x.x.x
> 
> That is, RouterA has a Real IP Address (tm), and is doing nat for
> the 192.168.1.x subnet to that IP address.  RouterB has one of those
> 192.168.1.x addresses and is doing nat on that for 10.x.x.x.  Now, I
> don't think that you can have nat on routers two deep like this, but
> I'm looking for confirmation.

Of course you can.  I do it all the time in lab environments.  RouterB
nat's all traffic from 10.x.x.x to 192.168.1.x, and RouterA nat's all of
THAT traffic to the real ext_if.  Works fine.

-J.