Configuring static NAT444

1. Enter system view.

system-view

N/A

2. Create a NAT port block group, and enter its view.

nat port-block-group group-id

By default, no port block groups exist.

3. Add a private IP address range to the port block group.

local-ip-address start-address end-address [ vpn-instance vpn-instance-name ]

By default, no private IP address ranges exist.

You can add multiple private IP address ranges to one port block group, but they cannot overlap.

4. Add a public IP address range to the port block group.

global-ip-pool start-address end-address

By default, no public IP address ranges exist.

You can add multiple public IP address ranges to one port block group, but they cannot overlap.

5. Configure the port range for the public IP addresses.

port-range start-port-number end-port-number

By default, the port range is 1 to 65535.

6. Set the port block size.

block-size block-size

By default, the port block size is 256.

7. Return to system view.

quit

N/A

8. Enter interface view.

interface interface-type interface-number

N/A

9. Apply the port block group to the outbound direction of the interface.

nat outbound port-block-group group-id

By default, no port block group is applied to the interface.

You can apply multiple port block groups to one interface.

10. Return to system view.

quit

N/A

11. (Optional.) Configure a PAT mapping mode.

nat mapping-behavior endpoint-independent [ acl { ipv4-acl-number | name ipv4-acl-name } ]

The default mapping mode is Address and Port-Dependent Mapping.