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WLAN V200R008C10 Typical Configuration Examples

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Example for Configuring Fat AP Layer 3 Networking

Example for Configuring Fat AP Layer 3 Networking

Networking Requirements

As shown in Figure 5-9, a Fat AP is connected to the Internet in wired mode and connected to STAs in wireless mode. An enterprise branch needs to deploy basic WLAN services for mobile office so that enterprise employees can access the enterprise internal network anywhere, anytime.

The requirements are as follows:
  • A WLAN named wlan-net is available.
  • The Fat AP functions as a DHCP server to assign IP addresses to STAs.
Figure 5-9 Networking diagram for configuring basic Layer 3 WLAN services

Data planning

Item Data

Service VLAN for STAs

VLAN 101

DHCP server

The AP functions as a DHCP server to assign IP addresses to STAs.

IP address pool for STAs to

SSID profile

  • Name: wlan-net

  • SSID name: wlan-net

Security profile

  • Name: wlan-net

  • Security policy: WPA-WPA2+PSK+AES

  • Password: a1234567

VAP profile

  • Name: wlan-net

  • Service VLAN: VLAN 101

  • Referenced profiles: SSID profile wlan-net and security profile wlan-net

Configuration Roadmap

The configuration roadmap is as follows:
  1. Configure Router to communicate with the AP.
  2. Configure basic WLAN services using the WLAN configuration wizard.
  3. Configure the AP channel and transmit power.
  4. Associate STAs to the WLAN to verify services.

You are advised to log in to the Fat AP in wireless mode for service configuration. You can also log in to the Fat AP by directly connecting a PC to the Fat AP using network cables and then connect the Fat AP to the upstream device after services are configured and saved.

Configuration Notes

No ACK mechanism is provided for multicast packet transmission on air interfaces. In addition, wireless links are unstable. To ensure stable transmission of multicast packets, they are usually sent at low rates. If a large number of such multicast packets are sent from the network side, the air interfaces may be congested. You are advised to configure multicast packet suppression on switch interfaces connected to APs to reduce impact of a large number of low-rate multicast packets on the wireless network. Exercise caution when configuring the rate limit; otherwise, the multicast services may be affected. For details on how to configure traffic suppression, see How Do I Configure Multicast Packet Suppression to Reduce Impact of a Large Number of Low-Rate Multicast Packets on the Wireless Network?.


  1. Configure the network devices.

    # Set the IP address of GE1/0/0 on Router to Configure a static route from the Router to the STAs.
    <Huawei> system-view
    [Huawei] sysname Router
    [Router] interface gigabitethernet 1/0/0
    [Router-GigabitEthernet1/0/0] ip address 24
    [Router-GigabitEthernet1/0/0] quit
    [Router] ip route-static

  2. Configure basic WLAN services.
    1. Choose Wizard > Config Wizard. The Configure Wi-Fi Signals page is displayed.
    2. Configure Wi-Fi signals.

      # Click Create. The Basic Information page is displayed.

      # Configure basic information about an SSID.

      # Click Next. The IP and Rate page is displayed.

      # Set IP address parameters.

      Configure the DNS server address as required.

      # Click Finish.

    3. Configure Internet connections.

      # Click Next. The Configure Internet Connection page is displayed.

      # Add an interface to VLAN 200 in tagged mode.

      If the PC connects to the AP through GE0/0/0, modifying the interface may cause a network interruption. In this case, you need to change the PC's IP address to 10.23.200.x and access the AP' new IP address to log in to the AP again for further operations.

      # Click Finish.

  3. Set the AP channel and power.
    1. Disable automatic channel and power calibration functions of AP radios, and manually configure the AP channel and power.


      Automatic channel and power calibration functions are enabled by default. The manual channel and power configurations take effect only when these two functions are disabled.

      # Choose Configuration > WLAN Service > WLAN Config > Radio0. The Radio0 page is displayed.

      # Click Radio Management. The Radio 0 Setting(2.4G) page is displayed.

      # On the Radio 0 Setting(2.4G) page, disable automatic channel and power calibration functions, and set the AP channel to 20-MHz channel 6 and transmit power to 127 dBm.

      # The configuration of Radio 1 is similar to that of Radio0. Disable automatic channel and power calibration functions of Radio 1, and set the AP channel to 20-MHz channel 149 and transmit power to 127 dBm.

      # Click Apply. In the dialog box that is displayed, click OK.

  4. Configure a default route.

    # Choose Configuration > IP Service > Route. The Route page is displayed.

    # Click Create in Static Route Configuration Table and create a static route.

    # Click OK.

  5. Verify the configuration.
    1. The WLAN with the SSID wlan-net is available.
    2. The STA can associate with the WLAN and obtain an IP address 10.23.101.x/24 and its gateway address is

    3. Choose Monitoring > Terminal Manage > STA Management. In User, you can see that STAs go online properly and obtain IP addresses.
Updated: 2019-03-30

Document ID: EDOC1000184389

Views: 94858

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