ASA NAT

Regular Static NAT

static (inside,outside) 192.168.100.100 10.1.1.6 netmask  255.255.255.255



object network obj-10.1.1.6
 host 10.1.1.6
 nat (inside,outside) static 192.168.100.100

Regular Static PAT

static (inside,outside) tcp 192.168.100.100 80 10.1.1.16 8080 netmask  255.255.255.255



object network obj-10.1.1.16
 host 10.1.1.16
 nat (inside,outside) static 192.168.100.100 service tcp 8080 www

Regular Static PAT

static (inside,outside) tcp 192.168.100.100 80 10.1.1.16 8080 netmask  255.255.255.255



object network obj-10.1.1.16
 host 10.1.1.16
 nat (inside,outside) static 192.168.100.100 service tcp 8080 www

Static Policy NAT

access-list NET1 permit ip host 10.1.2.27 10.76.5.0 255.255.255.224
static (inside,outside) 192.168.100.100 access-list NET1



object network obj-10.1.2.27
 host 10.1.2.27

object network obj-192.168.100.100
 host 192.168.100.100

object network obj-10.76.5.0
 subnet 10.76.5.0 255.255.255.224
 nat (inside,outside) source static obj-10.1.2.27 obj-192.168.100.100 destination static obj-10.76.5.0 obj-10.76.5.0

Regular Dynamic PAT

nat (inside) 1 192.168.1.0 255.255.255.0
nat (dmz) 1 10.1.1.0 255.255.255.0
global (outside) 1 192.168.100.100



object network obj-192.168.1.0
 subnet 192.168.1.0 255.255.255.0
 nat (inside,outside) dynamic 192.168.100.100
 
object network obj-10.1.1.0
 subnet 10.1.1.0 255.255.255.0
 nat (dmz,outside) dynamic 192.168.100.100

Regular Dynamic PAT

nat (inside) 1 10.1.2.0 255.255.255.0
global (outside) 1 192.168.100.100
global (dmz) 1 192.168.1.1



object network obj-10.1.2.0
 subnet 10.1.2.0 255.255.255.0
 nat (inside,outside) dynamic 192.168.100.100

object network obj-10.1.2.0-01
 subnet 10.1.2.0 255.255.255.0
 nat (inside,dmz) dynamic 192.168.1.1

Regular Dynamic PAT-3

nat (inside) 1 0 0 
global (outside) 1 interface



object network obj_any
 subnet 0.0.0.0 0.0.0.0
 nat (inside,outside) dynamic interface

Dynamic Policy NAT

object-group network og-net-src
 network-object 192.168.1.0 255.255.255.0
 network-object 192.168.2.0 255.255.255.0
 
object-group network og-net-dst
 network-object 192.168.200.0 255.255.255.0
 
object-group service og-ser-src
 service-object tcp gt 2000
 service-object tcp eq 1500
 
access-list NET6 extended permit object-group og-ser-src object-group og-net-src object-group og-net-dst

nat (inside) 10 access-list NET6
global (outside) 10 192.168.100.100



object network obj-192.168.100.100
 host 192.168.100.100

object service obj-tcp-range-2001-65535
 service tcp destination range 2001 65535

object service obj-tcp-eq-1500
 service tcp destination eq 1500

nat (inside,outside) source dynamic og-net-src obj-192.168.100.100 destination static og-net-dst og-net-dst service obj-tcp-range-2001-65535 obj-tcp-range-2001-65535
nat (inside,outside) source dynamic og-net-src obj-192.168.100.100 destination static og-net-dst og-net-dst service obj-tcp-eq-1500 obj-tcp-eq-1500

Policy Dynamic NAT (with multiple ACEs)

access-list ACL_NAT permit ip 172.29.0.0 255.255.0.0 192.168.1.0 255.255.255.0
access-list ACL_NAT permit ip 172.29.0.0 255.255.0.0 192.168.2.0 255.255.255.0
access-list ACL_NAT permit ip 172.29.0.0 255.255.0.0 192.168.3.0 255.255.255.0
access-list ACL_NAT permit ip 172.29.0.0 255.255.0.0 192.168.4.0 255.255.255.0
nat (inside) 1 access-list ACL_NAT
global (outside) 1 192.168.100.100



object network obj-172.29.0.0
 subnet 172.29.0.0 255.255.0.0

object network obj-192.168.100.100
 host 192.168.100.100

object network obj-192.168.1.0
 subnet 192.168.1.0 255.255.255.0

object network obj-192.168.2.0
 subnet 192.168.2.0 255.255.255.0

object network obj-192.168.3.0
 subnet 192.168.3.0 255.255.255.0

object network obj-192.168.4.0
 subnet 192.168.4.0 255.255.255.0

nat (inside,outside) source dynamic obj-172.29.0.0 obj-192.168.100.100 destination static obj-192.168.1.0 obj-192.168.1.0
nat (inside,outside) source dynamic obj-172.29.0.0 obj-192.168.100.100 destination static obj-192.168.2.0 obj-192.168.2.0
nat (inside,outside) source dynamic obj-172.29.0.0 obj-192.168.100.100 destination static obj-192.168.3.0 obj-192.168.3.0
nat (inside,outside) source dynamic obj-172.29.0.0 obj-192.168.100.100 destination static obj-192.168.4.0 obj-192.168.4.0

Outside NAT

global (inside) 1 10.1.2.30-1-10.1.2.40
nat (dmz) 1 10.1.1.0 255.255.255.0 outside
static (inside,dmz) 10.1.1.5 10.1.2.27 netmask 255.255.255.255 



object network obj-10.1.2.27
 host 10.1.2.27
 nat (inside,dmz) static 10.1.1.5

object network obj-10.1.1.0
 subnet 10.1.1.0 255.255.255.0
 nat (dmz,inside) dynamic obj-10.1.2.30-10.1.2.40

object network obj-10.1.2.30-10.1.2.40
 range 10.1.2.30 10.1.2.40

NAT & Interface PAT together

nat (inside) 1 10.1.2.0 255.255.255.0
global (outside) 1 interface 
global (outside) 1 192.168.100.100-192.168.100.200



object network obj-192.168.100.100_192.168.100.200
 range 192.168.100.100 192.168.100.200

object network obj-10.1.2.0
 subnet 10.1.2.0 255.255.255.0
 nat (inside,outside) dynamic obj-192.168.100.100_192.168.100.200 interface

NAT & Interface PAT with additional PAT together

nat (inside) 1 10.0.0.0 255.0.0.0
global (outside) 1 192.168.100.1-192.168.100.200
global (outside) 1 interface
global (outside) 1 192.168.100.210



object network obj-192.168.100.100_192.168.100.200
 range 192.168.100.100 192.168.100.200

object network obj-10.0.0.0
 subnet 10.0.0.0 255.0.0.0

object network second-pat
 host 192.168.100.210

object-group network dynamic-nat-pat
 network-object object obj-192.168.100.100_192.168.100.200
 network-object object second-pat

nat (inside,outside) dynamic dynamic-nat-pat interface

Twice NAT with both source IP, Dest IP and Source port, Dest port change.

On the inside:
Source IP: 10.30.97.129
Source port: 5300
Dest IP: 10.30.97.200
Dest port: any port

On the outside:
Source IP: Interface IP
Source port: 5300
Dest IP: 172.16.1.10
Dest port: 1022


object network source-real
 host 10.30.97.129
  
object network dest-mapped
 host 10.30.97.200

object network dest-real
 host 172.16.1.10

object service inside-src-dest-port
 service tcp source eq 5300 destination range 0 65535

object service outside-src-dest-port
 service tcp source eq 5300 destination eq 1022

nat (inside,outside) after source static source-real interface destination static dest-mapped dest-real service inside-src-dest-port outside-src-dest-port

Static NAT for a Range of Ports

Not Possible - Need to write multiple Statements or perform a Static one-to-one NAT.



           (in)    (out)

10.1.1.1-------ASA-------xlate-------> 10.2.2.2

Original Ports: 10000 - 10010
Translated ports: 20000 - 20010


object service ports
 service tcp source range 10000 10010

object service ports-xlate
 service tcp source range 20000 20010

object network server
 host 10.1.1.1

object network server-xlate
 host 10.2.2.2
nat (inside,outside) source static server server-xlate service ports ports-xlate