802.11ac and its configuration

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802.11ac and its configuration (for V200R005 and later versions).
1. Prerequisites:
Software version: V200R005 and later versions
Hardware model: AP3030DN, AP4030DN, AP4130DN, AP8030DN, AP8130DN, AP9130DN, AP5030DN, AP5130DN, AP2030DN, AP7030DE, AP9330DN
STA: 802.11ac-compliant

2. Configuration:
[Huawei] wlan
[Huawei-wlan-view] radio-profile name test
[Huawei-wlan-radio-prof-test] channel-mode fixed //Manually configure the channel.
[Huawei-wlan-radio-prof-test] 80211ac guard-interval-mode short //Change the mode to short preamble to increase rate.
[Huawei-wlan-radio-prof-test] undo legacy-station enable //Reject access of traditional 802.11a/b/g STAs (supported in V200R005).
[Huawei-wlan-view] quit
[Huawei-wlan-view] ap xx radio 1 //Enter the AP view.
Or,
[Huawei] interface wlan-radio 0/0/1 //Enter the radio interface for Fat APs.
[Huawei-Wlan-Radio0/0/1] channel 80mhz xx
xx can be set to 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, or 161.
Radio 0 of the AP2010 and AP8130DN supports the 2.4 GHz and 5 GHz frequency bands but can only work on one frequency band at a time.

Other related questions:
802.11n and its configuration
802.11n and its configuration. As the core of the 802.11n physical layer, multiple-input multiple-output (MIMO) technology enables 802.11n to send multiple radio signals during wireless transmission and form multiple spatial streams using multipath effect. Therefore, the data transmission speed is greatly increased. In addition, MIMO helps 802.11n obtain diversity gain and multiplexing gain, effectively extending the coverage distance and improving the transmission rate. The 802.11n standard defines one to four spatial streams for MIMO technology. For example, two spatial streams improve the transmission rate by two times, and four spatial streams by four times, reaching 600 Mbit/s. The number of spatial streams varies on different products. 802.11n can operate on both 2.4 GHz and 5 GHz frequency bands. Delay will occur at the receiving end when wireless signals are transmitted in space because of multipath. If subsequent data blocks are transmitted fast, these data blocks will interfere with original ones. The general inverter (GI) is used to avoid such interference. The common GI is 800 us, while the short GI defined in the 802.11n standard is 400 us, which increases the physical connection rate by 11%. Currently, the mainstream AP products are all 802.11n-compliant. Configuration: [HUAWEI]wlan [HUAWEI-WLAN-view]radio-profile name test [HUAWEI-WLAN-radio-prof-test]channel-mode fixed //Manually configure the channel. [HUAWEI-WLAN-radio-prof-test]80211n guard-interval-mode short //Change the mode to short preamble to increase rate [HUAWEI-WLAN-radio-prof-test]undo legacy-station enable //Reject access of traditional 802.11a/b/g STAs (supported in V200R005). [HUAWEI-WLAN-radio-prof-test]quit [HUAWEI-WLAN-view]ap xx radio 1 //Enter the AP view. Or, [HUAWEI]interface wlan-radio 0/0/1 //Enter the radio interface for Fat APs. [HUAWEI-WLAN-radio-0/0/1]channel 40mhz xx xx can be set to 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, or 161. Note: 1. You are not advised to configure the 40 MHz mode on the 2.4 GHz frequency band. 2. The security profile must be configured as WPA2 + CCMP, because WEP is incompatible with 802.11n, and TKIP may affect the user access rate.

From which version does the AR router support 80211ac
Currently, the AR does not support 802.11ac.

Setting the super password for the USG2000&5000
When a lower-level user is switched to a higher-level user, user identity authentication is required to prevent unauthorized access. That is, the password of the higher-level user is required. The super password command can be used to set the password used to switch a lower-level user to a higher-level user. An example is provided for setting the super password. # Configure the password to Abcd@1234 for switching from a lower-level user to a level-3 user. system-view [sysname] super password level 3 cipher Abcd@1234 Note: A configured password cannot be retrieved from the system. You should carefully keep the password in case that you may forget or lose it.

If mirroring is configured on the main interface, will traffic of its sub-interface be mirrored
If mirroring is configured on the main interface, traffic of its sub-interface will be mirrored.

Configuring an S series switch to save the configuration file to a server periodically
To enable an S series switch (except the S1700) to periodically save its configuration file to a server, perform the following configurations: 1. Set information about the server to which the configuration file is to be automatically saved. Set the file transfer mode to FTP, FTP server IP address to 1.1.1.1, user name to admin1234, and password to Helloworld@6789. system-view [HUAWEI] set save-configuration backup-to-server server 1.1.1.1 transport-type ftp user admin1234 password Helloworld@6789 2. Set the interval for the system to save new configurations automatically to 60 minutes. [HUAWEI] set save-configuration interval 60

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