On Tue, 30 Sep 2025, Goran Mekić wrote:

On 9/30/25 12:39, Goran Mekić wrote:
On 9/30/25 01:05, Bjoern A. Zeeb wrote:
On Mon, 29 Sep 2025, Goran Mekić wrote:

Hello,

After watching bz@ talk at this years EuroBSDCon, I learned that iwlwifi supports 11a, but only on newer chipsets. My laptop connects only to 11ng, but here's the weird thing: I see at least one WiFi network on channel 36 through "ifconfig wlan0 scan". I thought that 11a is required to see channel 36, but as a total WiFi noob, I might be totally wrong. Anyway, my question is how to check if my iwlwifi is new enough and why do I see network on channel 36? Thank you!

s/11a/11n and 11ac/    a != ac

/bz

I used terminology found in ifconfig(8). Search for "mode mode" in that man page, so I really wasn't trying to be smart. Does it mean that man page needs an update?

Anyway, I guess being tired from EuroBSDCon trip back home made me forget post the mandatory data, so I appologize. I run 15.0-RELEASE and the card is
I ment 15.0-ALPHA4, I guess I'm still tired.

if you got your firmware using fwget from packages then you should have a file
/boot/loader.conf.d/ which sets the appropriate tunables for the next boot.

sysctl compat.linuxkpi.80211
sysctl -a compat.linuxkpi | grep iwlifi

Should show 11n and 11ac enabled.

% ifconfig wlan0 | grep media:
        media: IEEE 802.11 Wireless Ethernet VHT mode 11ac


And yes, the AX210 is generally new enough.

/bz

--
Bjoern A. Zeeb                                                     r15:7

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