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NAT using different IP range than on outside interface

clark.d
Level 1
Level 1

I have a need to use another class C subnet for outbound NAT purposes, but this new range isn't bound to the outside interface. Is this possible?

Outside interface IP: 1.1.1.1/24

Inside interfac ip: 10.1.1.x/24

New block: 192.168.1.0/24

New inside hosts needing nat on new range: 10.14.1.x/24

So basically I want to use a range of ip's not bound to and interface to use as the PAT'd address when the packet leaves the ASA. What would this config look like?

Thx

1 Reply 1

hobbe
Level 7
Level 7

Yes it is possible (atleast with 8.2) but only for inbound connections, otherwise you would have a routing problem since it does not support policy based routing.

Just configure it as you would do a normal static but with the address from the other net and it will work just fine.

do not forget to allow the traffic in an ACL

Good luck

HTH

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