Linksys E8450 - WiFi 6 only turns on for Panama region

Installing and Using OpenWrt Network and Wireless Configuration
1

I was initially on 22.03.2 and had no issues. After upgrading to 22.03.5, WiFi 6 only turns on for Panama region. Router is in the India region and AX never turns on with India.

I upgraded, reset the router and then uploaded my backup to be sure, it is not an issue on my end. All my router settings are the same as in my previous post in my profile here -- Low speed on LAN on Dumb AP Linksys E8450

2

What channel are you trying to use?

Please copy the output of the following commands and post it here using the "Preformatted text </> " button:
grafik
Remember to redact passwords, MAC addresses and any public IP addresses you may have:

cat /etc/config/wireless
4 
config wifi-device 'radio0'
        option type 'mac80211'
        option path 'platform/18000000.wmac'
        option band '2g'
        option htmode 'HT40'
        option channel 'auto'
        option cell_density '0'
        option txpower '28'
        option country 'PA'

config wifi-iface 'default_radio0'
        option device 'radio0'
        option network 'lan'
        option mode 'ap'
        option encryption 'psk2'
        option ssid 'M4'
        option key '988'
        option ieee80211r '1'
        option mobility_domain '789D'
        option ft_over_ds '0'
        option ft_psk_generate_local '1'

config wifi-device 'radio1'
        option type 'mac80211'
        option path '1a143000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0'
        option band '5g'
        option htmode 'HE160'
        option cell_density '0'
        option channel 'auto'
        option he_su_beamformee '1'
        option he_bss_color '8'
        option country 'US'

config wifi-iface 'default_radio1'
        option device 'radio1'
        option network 'lan'
        option mode 'ap'
        option ssid 'Ma'
        option key '333'
        option encryption 'psk2'
        option ieee80211r '1'
        option mobility_domain '123F'
        option ft_over_ds '0'
        option ft_psk_generate_local '1'

config wifi-iface 'wifinet3'
        option device 'radio1'
        option mode 'ap'
        option ssid 'Mad'
        option encryption 'psk2'
        option key '988'
        option network 'guest'
        option ieee80211r '1'
        option mobility_domain '321F'
        option ft_over_ds '0'
        option ft_psk_generate_local '1'

config wifi-iface 'wifinet4'
        option device 'radio0'
        option mode 'ap'
        option ssid 'Mad'
        option encryption 'psk2'
        option key '98'
        option network 'guest'
        option ieee80211r '1'
        option mobility_domain '321F'
        option ft_over_ds '0'
        option ft_psk_generate_local '1'

I redacted SSID and password, so they should look off. Please ignore them. Right now it is in panama region. I am in India region and wifi AX is not working with India. I would like to use it with India for stability. And I noticed, Its a hit or miss with US region (most times dont work) but if it works with US region, its stable. Settings above are are from US region.

5

Your country code is different here than it is for your other radio. Fix that.
Try using 40MHz with a manually specified channel that is not subject to DFS regulations in your area (see the table on this page). I'd also remove the beamforming and color fields for now.

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6

Works only with channel 36 and 80 MHZ for my region (India) and the wifi performance is not so great like 160 Mhz. I have 160 Mhz devices and the difference can be experienced. I never faced this issue with 22.03.2. Is this something to do with my region, channel etc or openwrt update issue?

7

There was a recent change in the regulatory database that affects India. Namely, DFS is now required. Please set the channel to 100 (the only permitted 160 MHz channel according to the new rules), set the country on both radios to IN, set the power to 24 dBm (the maximum permitted) on 5 GHz, reboot the router, wait one minute for DFS to determine that there are indeed no radars, and enjoy 160 MHz WiFi.

EDIT: the above applies to routers other than Linksys E8450. For Linksys E8450, 160 MHz was disabled for some time due to a compatibility issue with iPhones, see this commit, which was then partially reverted.

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