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Configuring NAT
64 EN/LZT 108 6492 R2 - October 2003
7. In the “Global Address From/To:” fields, type the starting and
ending IP address that identify the pool of public IP addresses to be
translated to your private IP addresses. Or, type the same IP
address in both fields (if you also specified a single address in the
previous step).
8. When you have completed entering all information, click the Submit
button. A page appears to confirm the changes.
9. Click Close to return to the NAT Configuration page. The new rule
should no be displayed in the NAT Rule table.
10. On the NAT Configuration page, ensure that the Enable radio
button is selected and then click the Submit button. A page appears
to confirm your changes.
11. Select Admin > Commit & Reboot and click the Commit button to
save your changes to permanent storage.
8.5.4 The FILTER Rule
Like the BASIC flavor, the FILTER flavor translates public and private IP
addresses on a one-to-one basis. The FILTER flavor extends the capability
of the BASIC rule.
You can use the FILTER rule if you want an address translation to occur
only when your LAN computers initiate access to specific destinations. The
destinations can be identified by their IP addresses, ser type (such as FTP
or Web server), or both.
To create a FILTER rule, proceed as follows:
1. Select Services > NAT > NAT Rule Entry > Add. The NAT Rule –
Add page appears: