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NAT

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This section describes the operation of the "NAT" screen.

This section describes the operation of dynamic SNAT, static SNAT, and DNAT.

NOTE

Tabs that are not authorized in the group settings will not be displayed.

Click [Network] > [NAT] on the side menu to open the "NAT" screen.

Display a list of NAT settings #

The "NAT Settings" screen displays a list of registered NAT settings.
The "Dynamic SNAT," "Static SNAT," and "DNAT" tabs at the top of the screen allow you to navigate through the various settings (the Dynamic SNAT screen is shown below).

Add NAT settings #

Set Dynamic SNAT, Static SNAT, and DNAT. Dynamic SNAT is used here as an example.

［Click Add New.

The Add Dynamic SNAT Configuration screen appears.

For basic information on NAT settings, set the following items (1) to (4) and click [Next].

Specify the index number.

The index number is specified in the range of 1 to 1000.

Click the toggle to enable or disable.
Set the output interface to which each NAT is applied.
Set the source port number for each NAT or set the range by IP address.

Set the source/destination IP address and interface as follows (1) to (4), then click Next.

(1) Click the toggle to enable/disable "Advanced Settings".

［The output interface can be set only when [Advanced] is enabled.

Set the source IP address.
Set the destination IP address.

Set the output interface.

Select a protocol from the pull-down menu.
Configure the settings according to the protocol selected in step 6 and click Next.
Set the following items (1) to (3) for settings related to Contrack and click [Next].

(1) Set the source IP address, source port number or range, destination address, and destination port number or range before rewriting.

(2) Set the source IP address, source port number or range, destination address, and destination port number or range for the response.

(iii) Set packet protocol, packet direction, connection state, and connection status.

Enter the settings related to the individual limit (hashlimit) and click Next.
Enter settings related to the overall limit and click Next.
Enter the settings related to logging and click Next.

Select the log output level and specify the string to be appended to the beginning of the log.

Confirm the information entered and click "Setup".

Add NAT settings.

Edit NAT settings #

Edit NAT settings.
Editing is possible for dynamic SNAT, static SNAT, and DNAT. Here we use dynamic SNAT as an example.

Click [...] to the right of the rule you wish to edit and select Edit.

The Edit Dynamic SNAT Settings screen appears.

Edit Dynamic SNAT Settings After configuring the settings in the "Edit Dynamic SNAT Settings" window, click "Configure" to complete editing of the dynamic SNAT settings.

Delete NAT settings #

There are two ways to delete registered NAT settings: individually from the operation menu of each NAT setting, or by selecting multiple targets and then deleting them.
Deletion is possible for dynamic SNATs, static SNATs, and DNATs. This section uses dynamic SNAT as an example.

Delete individual NAT settings #

This method is to select Delete from the operation menu of each NAT setting.

Click [...] to the right of the NAT setting you wish to delete and select [Delete] from the menu that appears.
［Click Delete.

NAT settings are deleted.

Delete multiple selections of NAT settings #

This is a method of deleting NAT settings after checking the check boxes of the NAT settings to be deleted.
This is useful for deleting multiple NAT settings at once, or you can select a single NAT setting to delete.

Click the checkbox to the left of the NAT setting you wish to delete, place a checkmark in the checkbox, and click the [ Delete ] button.
［Click the "Delete" button.

NAT settings are deleted.

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