
Configuring Network Address Translation
303528-A Rev 00
12-9
Enabling and Disabling NAT
To enable or disable NAT on an IP interface, proceed as follows:
Enabling NAT alone will not initiate address translation. You must also enable
translation.
NAT can perform either or both of the following types of address translation:
• Static address translation
• Dynamic address translation
Static translation creates a one-to-one translation of an unregistered local host
address to a global address. If you want to preserve a translation entry, use static
translation. Static address translation does not time out during periods when there
is no traffic on the interface. The translation remains configured until you disable
it.
Dynamic translation creates a temporary mapping of an unregistered address to a
global address. NAT software selects a global address from one or more global
address pools that you configure, and maps this address to the unregistered
address. If you enabled the Mapping Entry Timeout parameter, the mapping
remains configured for the time you specify in the Max Timeout parameter.
Otherwise, the mapping remains configured until you disable it.
Site Manager Procedure
You do this System responds
1. In the Configuration Manager window,
choose
Protocols
.
The Protocols menu opens.
2. Choose
IP
. The IP menu opens.
3. Choose
NAT
. The NAT menu opens.
4. Choose
Global
. The NAT Base Group Record window
opens.
5. Set the
Enable
parameter. Site Manager:
Enable parameter: page A-95
6. Click on
OK
. Site Manager returns you to the
Configuration Manager window.
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