Figure 5-5 Network diagram for configuring outbound NAT
Eth0/0/0 Eth2/0/0
Area B
PC 1...PC n
10.0.0.0/24
Eth0/0/1
Area A
PC 1...PC n
192.168.20.0/24
Router
Configuration Roadmap
The configuration roadmap is as follows:
1. Configure IP addresses for interfaces.
2. Configure a default route.
3. Configure outbound NAT on the WAN-side interface to allow internal hosts to access
external networks.
Procedure
Step 1 Configure IP addresses for the interfaces of the AR150/200.
<Huawei> system-view
[Huawei] vlan 100
[Huawei-vlan100] quit
[Huawei] interface vlanif 100
[Huawei-Vlanif100] ip address 192.168.20.1 24
[Huawei-Vlanif100] quit
[Huawei] interface Ethernet 0/0/0
[Huawei-Ethernet0/0/0] port link-type access
[Huawei-Ethernet0/0/0] port default vlan 100
[Huawei-Ethernet0/0/0] quit
[Huawei] vlan 200
[Huawei-vlan200] quit
[Huawei] interface vlanif 200
[Huawei-Vlanif200] ip address 10.0.0.1 24
[Huawei-Vlanif200] quit
[Huawei] interface Ethernet 0/0/1
[Huawei-Ethernet0/0/1] port link-type access
[Huawei-Ethernet0/0/1] port default vlan 200
[Huawei-Ethernet0/0/1] quit
[Huawei] interface ethernet 2/0/0
[Huawei-Ethernet2/0/0] ip address 202.169.10.1 24
[Huawei-Ethernet2/0/0] quit
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.
120
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