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Fat AP and Cloud AP V200R008C00 CLI-based Configuration Guide

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Configuring an AP with No Configuration to Enable STAs to Access the Public Network Through NAT

Configuring an AP with No Configuration to Enable STAs to Access the Public Network Through NAT

As shown in Figure 9-12, the AP functions as a NAT gateway and connects to external networks. After being powered on, the AP with no configuration can provide WLAN service coverage. After connecting to a WLAN, the AP functions as the gateway for STAs and allows STAs to access the public network through NAT.
Figure 9-12  STAs' access to the public network through NAT

WLAN Service Coverage

After the AP connects to a WLAN, the SSID HUAWEI-XXXX is created by default. XXXX specifies the last four bits of the AP's MAC address. By default, open system authentication is used for WLAN service coverage. After discovering the SSID, STAs can successfully associate with the WLAN without entering the password. The gateway for STAs is VLANIF with the IP address of 100

The pre-configured SSID of an AP before delivery is generated only on the 2.4 GHz frequency band, and the default transmit power of the AP is 20 dBm. After you log in to an AP with no configuration and confirm its country code, the AP automatically generates the pre-configured SSID on another frequency band and changes the default transmit power to 127 dBm.

STAs' Access to the Public Network Through NAT

To enable STAs associated with the WLAN to access the public network through NAT, ensure the following:
  • Network connectivity: The AP communicates with the connected device through VLANIF 1 by default. The DHCP client function is enabled on VLANIF 1 of the AP by default. The DHCP server function is enabled on VLANIF 1 of the device directly connected to the AP for allocating an IP address to the AP. In addition, a default route is created on the VLANIF 1 of the AP and destined for the gateway of the AP.
  • NAT: NAT is implemented in Easy IP mode and the NAT service is configured on VLANIF 1. ACL 2000 is bound to the NAT service, and allows all packets to pass through by default. When STAs access external networks, their private IP addresses are translated into the public IP address of VLANIF 1 for communication with the public network.
Updated: 2019-01-11

Document ID: EDOC1000176006

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