Method used to configure the source NAT on the USG2000

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By means of the source NAT function, the system can translate the source IP address in an IP packet from a private IP address to a valid public IP address. The configuration method is as follows:
1. Choose Firewall > NAT > Source NAT > Source NAT.
2. In Source NAT Policy List, click New.
3. Enter or select parameters, and click Apply.

The page displays the new source NAT.

Other related questions:
Meaning of the source NAT on the USG2000 and USG5000
The source NAT indicates that the source address in a packet is converted. The source NAT modes implemented in different application scenarios are different.

Method used to configure static NAT on the AR
Huawei AR routers support static NAT. Use either of the following methods to configure static NAT: Method 1: Configure static mapping in the interface view. Translate the combination of the public IP address 202.10.10.1 and port 200 in TCP packets to the combination of the private IP address 10.10.10.1 and port 300. [Huawei] interface gigabitethernet 1/0/0 [Huawei-GigabitEthernet1/0/0] nat static protocol tcp global 202.10.10.1 200 inside 10.10.10.1 300 Method 2: Configure static mapping in the system view. Translate the combination of Loopback 4 interface address and port 43 in TCP packets to private address 192.168.2.55. [Huawei] nat static protocol tcp global interface loopback 4 43 inside 192.168.2.55 netmask 255.255.255.255 For details on the static NAT configuration, see "NAT Configuration->Configuring NAT->Configuring Static NAT" in Configuration Guide - IP Service.

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