Hi guys ...

Workstation 10.10.10.10 gets NATed to 20.20.20.20 at R1, traverses the WAN
Link through R2 onto the DMZ, 20.20.20.20 then gets NATed to 30.30.30.30 by
the PIX 515 and traverses onto the Private LAN.


Workstation---------------------R1-----------(WAN)----------------R2---------
----------(DMZ)-----------------PIX--------------(Private
LAN)--------------Server
10.10.10.10   ->      NAT to 20.20.20.20
NAT from 20.20.20.20 to 30.30.30.3                   30.30.30.30

It is required that NAT be used to mask the IP address of 30.30.30.30 upon
return to the workstation 10.10.10.10. I can NAT fine over R1 and into the
DMZ, this works fine. However, the 2nd NAT is not working through the PIX
!!!!! Workstation 10.10.10.10 pings 30.30.30.30 and gets a reply from
20.20.20.20 ??? I guess the reply shoulb be from 30.30.30.30 !!

Are there any pitfalls to be aware of when double NATing ????  I have NAT'de
before on a PIX but not with a router.

I have no idea why the second NAT on the PIX does not work ...

Any input would be greatly appreciated ..

Kind Regards

Paul ...




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