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WLAN V200R008C10 Typical Configuration Examples

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Example for Configuring Traffic Policing

Example for Configuring Traffic Policing

Networking Requirements

Enterprise users can access the network through WLANs, which is the basic requirement of mobile office. Furthermore, users' services are not affected during roaming in the coverage area.

To prevent STAs from maliciously occupying network resources and reduce network congestion, the administrator requires that the uplink rate limit of each STA be 2 Mbit/s and the total uplink rate limit of all STAs on a VAP be 30 Mbit/s.

Figure 5-63 Networking for configuring traffic policing

Data Planning

Table 5-70 AC data planning

Item

Data

AP group
  • Name: ap-group1
  • Referenced profiles: VAP profile wlan-net
VAP profile
  • Name: wlan-net
  • Referenced profiles: traffic profile wlan-traffic

Traffic profile

  • Name: wlan-traffic

  • Uplink rate limit of a single STA: 2 Mbit/s

  • Uplink rate limit of all STAs on a VAP: 30 Mbit/s

Configuration Roadmap

  1. Configure the uplink rate limits of a single STA and all STAs on a VAP in a traffic profile to achieve traffic policing.

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 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.
    • In direct forwarding mode, you are advised to configure multicast packet suppression on switch interfaces connected to APs.
    • In tunnel forwarding mode, you are advised to configure multicast packet suppression in traffic profiles of the AC.
    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?.
  • Configure port isolation on the interfaces of the device directly connected to APs. If port isolation is not configured and direct forwarding is used, a large number of unnecessary broadcast packets may be generated in the VLAN, blocking the network and degrading user experience.

  • In tunnel forwarding mode, the management VLAN and service VLAN cannot be the same. Only packets from the management VLAN are transmitted between the AC and APs. Packets from the service VLAN are not allowed between the AC and APs.

Procedure

  1. Configure traffic policing.

    Create traffic profile wlan-traffic. Set the uplink rate limit of a single AP to 2 Mbit/s and the total uplink rate limit of all STAs on the VAP to 30 Mbit/s.

    # Choose Configuration > AP Config > AP Group > AP Group.

    # In the AP group list, click ap-group1. Click in front of VAP Configuration. Under it, click in front of wlan-net. Click Traffic Profile. The Traffic Profile page is displayed.

    # Click Create. The Create Traffic Profile page is displayed.

    # Enter the traffic profile name wlan-traffic in Profile name and click OK. The parameter setting page of the new traffic profile is displayed.

    # Set the uplink rate limit to 2 Mbit/s for STAs and to 30 Mbit/s for VAPs.



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

  2. Verify the configuration.
    1. STAs efficiently utilize network resources, reducing network congestion.
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Updated: 2019-03-30

Document ID: EDOC1000184389

Views: 91245

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