What Cisco device do I need to do ip address and port mapping

What Cisco device do I need to do ip address and port mapping?  I need to translate incoming destinations and ports into internal destination host and port.  Something like this:
-  using Cox IP as our outside static IP address in this example.
map 8443  to 443
map 8080  to 80

With an IN acl like this
permit any

Will a 2921 do this or do I need an ASA firewall?
huffmanaSystem Admin and Network EngineerAsked:
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you will probably do that into the ASA firewall, although it is possible to do it into the router (2921).
It depends on which one is managing NAT; having both it is more likely that you do that on ASA. Besides, 2921 might belong to your ISP.

hope this helps
huffmanaSystem Admin and Network EngineerAuthor Commented:
Thanks max_the_king.  Yes the 2921 is NAT overloading the outside Static IP address.  I am managing the 2921.  The NAT is working but how do I configure the incoming Port Mapping?
something like:

ip nat inside source static tcp 443 8443 extendable
ip nat inside source static tcp 80 8080 extendable

and then you need an acl:

something like:

access-list 100 permit   tcp any eq 8443
access-list 100 permit   tcp any eq 8080


P.S.: my advice is to use ASA for NAT and ACL

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max_the_king's code is OK, except the part that ACL is, most likely, not needed.
Static source NAT is correctly configured (if interfaces are configure with "ip nat inside | ip nat outside" should be OK).
huffmanaSystem Admin and Network EngineerAuthor Commented:
I ended up getting an ASA because it'll be easier manage ports.  The 2921 will NAT and PAT and ACL could close ports....  I'll try anyway, but the ASA5520 has 4 GI ports and things like DMZ.... it was only $130 on ebay.
huffmanaSystem Admin and Network EngineerAuthor Commented:
Great help you guys.  I appreciate your expert advise.
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