Garmin HM210DP/DI - Manual (Page 77)

Configuring NAT
EN/LZT 108 6492 R2 - October 2003 69
5. In the “Local Address From/To:” fields, type the lowest and highest
IP addresses that define the range of private addresses you want to
be passed without translation.
If you want the PASS rule to act on only one address, type that
address in both fields.
6. When you have completed entering all information, click the Submit
button. A page appears to confirm the changes.
7. Click Close to return to the NAT Configuration page. The new rule
should no be displayed in the NAT Rule table.
8. 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.
9. Select Admin > Commit & Reboot and click the Commit button to
save your changes to permanent storage.