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IPv4 NAT is applied for IPv4 environments to perform NAT translation for IPv4 addresses, including Source NAT, Destination NAT, and Bidirectional NAT. Administrators can perform the following IPv4 NAT operations.
| Operation |
Note |
| Delete |
Delete the checked policy. |
| Enable/Disable |
Enable or disable the checked policy. |
| Move To |
Move the position of policies to adjust the priority. The policy that tops the list has the highest priority. |
| Reset Hit Count |
Clear the matching data of the selected policy and return it to 0. |
| Test Policy Match |
Simulate the source and destination data packets to see whether they match the relevant policies. |
| Import/Export |
Support policy import or export. |
| Refresh |
Refresh the page to display the latest data. |
| Search keywords |
Search by policy name. |
| Add Filter |
Add a display filter. |
Table 11:IPv4 NAT Operation Options
The following topology is used in all examples in this section: The LAN user-side network segment is 192.168.1.0/24, the server-side network segment is 172.16.1.0/24, Athena NGFW is deployed at the internet egress as a gateway, the IP address of ETH1 interface is 1.2.1.1/24, and the IP address of ETH2 interface is 10.10.10.1/24, as shown in the following figure.
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