How to configure channels and power for WLAN devices

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Configure radio channels and power for WLAN devices manually or by configuring radio calibration.
-Manual configuration
Take the configuration on the AC as an example. Users can adjust the channel and power using the channel 20mhz xx and power-level commands.
[AC6005-wlan-radio-0/0]display this
#
radio-profile id 0
channel 20MHz 13
power-level 2
#
return
Configure channels and power for Fat AP devices in the radio interface view.

Other related questions:
Channel planning for WLAN devices
There are limited non-overlapping channels on the 2.4 GHz frequency band. If channels of neighboring APs conflict, channel interference occurs and user access experience is degraded. You are advised to plan channels as follows: - Make an AP channel plan before performing data configurations. You are advised to manually configure AP channels. Automatic channel adjustment is not recommended. - If channels of neighboring APs from other vendors conflict with those of Huawei APs, negotiate with the vendors to change overlapping channels. - Use spatial staggered channels to increase network capacity. - Channels of neighboring APs are staggered. For example, the 2.4 GHz radio channels are deployed in a fixed sequence of 1-6-11-1-6-11. - The 5 GHz frequency band is preferred when it is allowed. On the 5 GHz frequency band, non-overlapping channels in HT20 mode include channels 149, 153, 157, 161, and 165.

WLAN channel bandwidth
WLAN channel bandwidth. The channel bandwidth in HT20 mode is 20 MHz, and the channel bandwidth in HT40 mode is 40 MHz. Two neighboring 20 MHz channels are bundled to form a 40 MHz channel. One channel functions as the main channel, and the other as the auxiliary channel. The main channel sends Beacon packets and data packets, and the auxiliary channel sends other packets. When the HT40 mode is used in the 2.4 GHz frequency band, there is only one non-overlapping channel. Therefore, HT40 is not recommended in the 2.4 GHz frequency band. During channel bundling of two neighboring 20 MHz channels, if the center frequency of the auxiliary 20 MHz channel is lower than that of the main channel, plus is marked; otherwise, minus is marked. For example, 149plus indicates that the 20 MHz channel where the center frequency 149 resides and the 20 MHz channel where the center frequency 153 resides are bundled to form a 40 MHz channel. For 802.11ac, you can also configure 80 MHz and 160 MHz channels.

PoE power supply distance of a WLAN device
According to IEEE 802.3af/at standards, Category 5 cables provide a maximum of 100 m power supply distance.

Can Huawei WLAN devices automatically select channels with higher quality
Huawei APs support automatic channel selection. However, in large-scale AP deployment, channels are planned before deployment. Changing one AP's channel will cause channel switching on other APs, affecting wireless services on the entire network. Therefore, automatic channel selection is not recommended.

How to configure the STA blacklist on WLAN devices
A STA blacklist contains MAC addresses of STAs that are not allowed to connect to the WLAN. To forbid some STAs from connecting to the WLAN, you can configure a STA blacklist. You can configure a global STA blacklist for APs, and the blacklist takes effect on all VAPs. You can also configure a STA blacklist for specified VAPs. If an AP and a VAP are configured with the blacklist or whitelist function, a STA can connect to the WLAN only when it is permitted by both the configuration on the AP and VAP. - For V200R003 and V200R005, you can perform the following steps to configure a STA blacklist for specified APs on an AC or a Fat AP: 1. Run the sta-blacklist mac-address command in the WLAN view to add specified MAC addresses to the STA blacklist. The variable mac-address specifies the MAC addresses in the STA blacklist. 2. For ACs: run the sta-access-mode ap { { start-id [ to end-id ] } &<1-10> | all } blacklist command in the WLAN view to set the access control mode to the STA blacklist for a specified AP. The variable start-id and end-id specify the AP ID range. For Fat APs: Run the sta-access-mode blacklist command in the WLAN view to set the access control mode to the STA blacklist. 3. Run the commit { all | ap ap-id } command in the WLAN view to deliver configurations to the APs (applicable only to the AC). The variable ap-id specifies the AP ID. - For V200R003 and V200R005, you can perform the following steps to configure a STA blacklist for specified VAPs on an AC or a Fat AP: 1. Run the sta-blacklist-profile { name list-name | id list-id } command in the WLAN view to create a STA blacklist profile and display the STA blacklist profile view. The variable list-name specifies the STA blacklist profile name, and list-id specifies the STA blacklist profile ID. 2. Run the sta-mac mac-address command in the STA blacklist profile view to add the MAC address of a STA to the STA blacklist profile. The variable mac-address specifies the MAC addresses in the STA blacklist. 3. Run the service-set { id profile-id | name profile-name } * command in the WLAN view to display the service set view. The variable profile-id specifies the service set ID, and profile-name specifies the service set name. 4. Run the sta-access-mode blacklist command in the service set view to set the access control mode for VAPs to the STA blacklist. 5. Run the set view sta-blacklist-profile { name list-name | id list-id } command in the service set view to bind a STA blacklist profile for the service set. The variable list-name specifies the STA blacklist profile name, and list-id specifies the STA blacklist profile ID. 6. Run the commit { all | ap ap-id } command in the WLAN view to deliver configurations to the APs (applicable only to the AC). The variable ap-id specifies the AP ID.

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