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Configuration Guide - WLAN-AC

S5700 and S6720 V200R012C00

This document describes the configurations of WLAN, including WLAN Service Configuration, Radio Resource Management, Roaming, WLAN QoS, WLAN Security, WDS, Mesh, Location, Hotspot 2.0, Dual-Link Cold Backup, N+1 Backup.
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Licensing Requirements and Limitations for WLAN

Licensing Requirements and Limitations for WLAN

Involved Network Elements

AP
  • APs mentioned in this document are Huawei AP products. You are advised to use Huawei APs to connect to the AC.
  • You can run the display ap-type all command to check the default AP types supported by the device.
  • When central APs and RUs are used, ensure that their versions are the same. For example, if the central AP version is V200R007C10, the RU version must be V200R007C10.
Table 4-4  Mapping between switch versions and AP versions

Product Software Version

AP Software Version

V200R012C00

V200R009C00

V200R008C10

V200R008C00

V200R007C20

V200R007C10

V200R006C20

V200R006C10

V200R011C10

V200R008C10

V200R008C00

V200R007C20

V200R007C10

V200R006C20

V200R006C10

V200R011C00

V200R007C20

V200R007C10

V200R006C20

V200R006C10

V200R010C00

V200R007C10

V200R006C20

V200R006C10

V200R009C00

V200R006C20

V200R006C10

V200R008C00

V200R005C30

V200R005C20

V200R005C10

V200R007

V200R005C20

V200R005C10

V200R006

V200R005C00

Licensing Requirements

When the device is used as a WLAN AC, the number of online APs supported by the device is controlled by licenses. The device supports a maximum of 16 online APs. To increase the number of online APs supported by the device, apply for and purchase a license from the agent.
  • AP resource license-16AP for WLAN access controller
  • AP resource license-64AP for WLAN access controller
  • AP resource license-128AP for WLAN access controller
  • AP resource license-512AP for WLAN access controller

For details about how to apply for a license, see Obtaining Licenses in the S1720, S5700, and S6720 Series Switches License Usage Guide.

Version Requirements

Table 4-5  Products and minimum version supporting the WLAN service

Series

Product Model

Minimum Version Required

S2700 series switches

-

Not supported

S3700 series switches

-

Not supported

S5700 series switches

S5720HI, S5730HI

S5720HI: V200R006

S5730HI: V200R012

S6700 series switches

S6720HI

V200R012

Feature Limitations

Packets transmitted on a WLAN include management packets and service data packets.
  • It is recommended that you use different VLANs for the management VLAN and service VLAN.

  • You are not advised to use VLAN 1 as the management VLAN or service VLAN.

  • In tunnel forwarding mode, management VLAN and service VLAN must be different.

In actual WLAN networking, management VLANs and service VLANs must be properly planned. The following example assumes that an AP connects to an AC through a Layer 2 network.
  • In direct forwarding mode, ensure that the AP can exchange management VLAN packets with the AC and exchange service VLAN packets with upstream devices.

  • In tunnel forwarding mode, ensure that the AP can exchange management VLAN packets with the AC and the AC can exchange service VLAN packets with upstream devices.

Networking restrictions
  • In tunnel forwarding mode, the AC and AP do not support IP packet fragmentation.

  • In the AC + AP networking, to prevent loops, port flapping, or AP disconnection, do not use Smart Link, equal-cost routing, or port protection services.
  • The AC cannot manage APs through VPNs. That is, the source interface cannot be added to a VPN.
  • APs cannot connect to physical Layer 3 interfaces or subinterfaces on the AC.
  • The AC can manage APs and STAs using IPv4 addresses but not IPv6 addresses.

  • VXLAN is supported from V200R011C10. The VXLAN service cannot be configured on the CAPWAP source interface specified for the AC. Otherwise, the AC cannot manage APs, and APs fail to go online.

The AC and AP exchange CAPWAP packets to communicate with each other. To prevent CAPWAP packet attacks from affecting normal device communication, you can configure local attack defense on devices. To configure local attack defense, specify a trusted AP source address in an ACL rule and then configure a whitelist in the attack defense policy or configure user-defined flows to limit the rate of specified CAPWAP packets. For details, see Local Attack Defense Configuration.

In wireless city scenarios, it is recommended that the STA aging time be reduced. The recommended value is 1 minute.

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Updated: 2018-12-24

Document ID: EDOC1100038361

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