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Cisco Router and Security Device Manager Version 2.2 User’s Guide
OL-4015-08
Chapter18 Network Addres s Translation
Network Address Translation Rules
Network Mask
If you want SDM to translate the addresses of a subnet, enter the mask for that
subnet. SDM determines the network/subnet number and the set of addresses
needing translation from the IP address and mask that you supply.
Translate to Interface
This area shows the interfaces out of which packets with translated addresses may
exit the router. It also provides fields in which you can specify the translated
address and other information.
Outside Interface(s)
If you chose From inside to outside for Direction, this area contains the
designated outside interfaces.
Type
•Select IP Address if you want the address to be translated to the address
defined in the IP Addresss field.
•Select Interface if you want the Translate from... address to use the address
of an interface on the router. The Translate from... address will be translated
to the IP address assigned to the interface that you specify in the interface
field.
Interface
This field is enabled if Interface is selected in the Type field. This field lists the
interfaces on the router. Select the interface whose IP address you want the local
inside address translated to.
Note If Interface is selected in the Type field, only redirect port translations are
supported.
IP Address
This field is enabled if you selected IP Address in the Type field. Do one of the
following:
•If you are creating a one-to-one mapping between a single inside local
address and a single inside global address, enter the inside global address in
this field.