Is it possible to do NAT on 4500 with Sup6?

[jaime.pedraza]

If yes, what IOS should I use to achieve it?

[Edison Ortiz]

Not supported. NAT is only supported on the 6500 line.

[Amit Singh]

No. NAT is not supported on Cat4500 with any Sup engine as  of now. The future SUP engines might have this feature.

Cheers,

-amit singh

[Ganesh Hariharan]

If yes, what IOS should I use to achieve it?

NAT is not supported in 4500 series switches !!

Check out the below link hope that clear.

http://www.cisco.com/en/US/tech/tk648/tk361/technologies_tech_note09186a008011c629.shtml#topic1

If helpful do rate the post

Ganesh.H