When the radio type of the AR router is set to pure 80211.11n and the encryption mode is set to TKIP, why does the wireless device fail to connect to the AP

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TKIP is insecure, so 802.11n does not support TKIP encryption.
When the radio type is set to pure 802.11n, the following encryption modes are supported:
-open
-wpa-psk ccmp
-wpa2-psk ccmp
-wapi
-wpa dot1x ccmp
-wpa2 dot1x ccmp

Other related questions:
When the radio type of the AR router is set to pure 802.11n and the encryption mode is set to WEP, why does the wireless device fail to connect to the AP
WEP is insecure, so 802.11n does not support WEP encryption. When the radio type is set to pure 802.11n, the following encryption modes are supported: -open -wpa-psk ccmp -wpa2-psk ccmp -wapi -wpa dot1x ccmp -wpa2 dot1x ccmp

Why cannot a STA associate with an AP when the radio type is set to pure 802.11n and the encryption mode is set to TKIP
TKIP is insecure, so 802.11n does not support TKIP encryption.

Why does a STA fail to associate with an AP when WEP and TKIP encryption is configured in 802.11n mode
The 802.11n does not define the WEP or TKIP encryption mode. When the two encryption modes are used, STAs may fail to associate with the AP.

Convergence fails on the Huawei switch connected to the wireless CG device in STP mode. Why
When the switch encapsulates STP BPDUs, the Length field in the 802.3 Ethernet frame header contains 8-byte filling bits. However, the wireless CG device performs strict check for the Length field, and directly discards STP BPDUs sent by the switch. Convergence fails.

Why can IS-IS neighbors not be established
This has the following possible causes: -Point-to-multipoint (P2MP) interfaces do not support the Intermediate System to Intermediate System routing protocol (IS-IS). -The MTU of the Ethernet Interface is smaller than the max-size of IS-IS LSP packets plus 3. -The MTU of the point-to-point (P2P) interface is less than the length of the IS-IS LSP packet. -The two ends have different parameter configurations.

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