5 NAT Configuration
About This Chapter
Network Address Translation (NAT) translates private addresses into public addresses. It
conserves IPv4 addresses and improves network security by shielding the private network
topology.
5.1 NAT Overview
NAT enables hosts on a private network to access the public network.
5.2 NAT Features Supported by the AR150/200
The AR150/200 supports the following NAT features: static NAT, port address translation
(PAT), internal server, NAT Application Level Gateway (ALG), NAT filtering, NAT mapping,
Easy IP, twice NAT, and NAT multi-instance.
5.3 Configuring NAT
To implement communication between the private network and the public network through
NAT, use Easy IP for a single user and an address pool for multiple users.
5.4 Configuration Examples
This section provides several configuration examples of NAT.
Huawei AR150&200 Series Enterprise Routers
Configuration Guide - IP Service 5 NAT Configuration
Issue 02 (2012-03-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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