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ASA 8.3 Multiple NAT for one network object ?

dclee
Level 1
Level 1

Currently migrating old PIX to new ASA 8.3 and I have a question re: multiple NATs for one object group.

So I have an ASA with 4 live interfaces, inside, outside, WEBDMZ1 and WEBDMZ2.

I need all outbound connections from inside network 192.168.10.0 / 24

so object network PROD_192.168.10.0

     subnet 192.168.10.0 255.255.255.0

My NAT requirements are I need to PAT all outbound to internet.

     so

     nat (inside,outside) dynamic interface

BUT I need to bypass NAT for any internal connections to webdmz1

     nat (inside,webdmz1) static PROD_192.168.10.0   

and webdmz2

     nat (inside,webdmz2) static PROD_192.168.10.0

I only seem to be able to add one NAT statement per object group What am I missing ?

Would I have to create 3 network objects with identical IP info and apply each NAT statement to each ?

             

Any help would be appreciated.

Cheers


Dave

1 Reply 1

Stuart Gall
Level 1
Level 1

You need a twice nat statement

Nat (inside,webdmz1) source static PROD_192.168.10.0 PROD_192.168.10.0 destination static DMZ DMZ
This goes outside the object blocks
You also need to define
Object network DMZ
subnet x.x.x.x M.M.M.M.M

And similarly for inside,webdmz2

Stuart

Review Cisco Networking products for a $25 gift card