Re: Can't seem to use 5GHz APs with Intel wireless

hm. Which country are you in? india?

It seems to think you're in the FCC4 regdomain and DE country, which
if I read it right won't give you 5G. So somehow it determined you're
in the "wrong" country?



-adrian

On Mon, 4 Jun 2018 at 07:15, Adam <amvandemore_at_gmail.com> wrote:
>
> On Sun, Jun 3, 2018 at 9:50 PM, Dhananjay Balan <mail_at_dbalan.in> wrote:
>
> > On Sun, Jun 03, 2018 at 07:33:30PM +0200, Christoph Moench-Tegeder wrote:
> >
> > > Is the regdomain/country setting correct for your area and matches your
> > > AP? Especially in the 5GHz band there are some "gaps" - not all channels
> > > may be used in all countries (because of possible interference with
> > > radar equipment and other stuff). See:
> > > https://en.wikipedia.org/wiki/List_of_WLAN_channels#5_GHz_(
> > 802.11a/h/j/n/ac/ax)
> > >
> >
> > Thanks for taking time to explain.
> >
> > Turns out PEBKAC. I had this offending line burried in rc.conf
> >
> > create_args_wlan0="country DE regdomain FCC4"
> >
> > According to regdomain(5) <!-- FCC4 is 2.4GHz FCC w/ Public Safety Band
> > (PSB) -->
> >
> > So I was forcing my card to do 2.4Ghz it seems, removed it - everything
> > worked like charm. I can see and connect to 5GHz 11a aps.
> >
> > wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
> > 1500
> >         ether xxxx
> >         inet 192.168.1.13 netmask 0xffffff00 broadcast 192.168.1.255
> >         nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> >         media: IEEE 802.11 Wireless Ethernet MCS mode 11na
> >         status: associated
> >         ssid xxxx channel 36 (5180 MHz 11a ht/40+) bssid xxxxxxxx
> >         regdomain FCC country US authmode WPA2/802.11i privacy ON
> >         deftxkey UNDEF TKIP 2:128-bit txpower 17 bmiss 10 mcastrate 6
> >         mgmtrate 6 scanvalid 60 ampdulimit 64k ampdudensity 4 -amsdutx
> > amsdurx
> >         shortgi -stbc -ldpc wme roaming MANUAL
> >
> >
> Thanks for the posting.  It appears I made some errors in my previous
> response.  I'm using an iwm, not iwn.  And after your pointer I changed my
> country to NO which then allows me to see, but not associate to 5gz.
>
> Good yours is working.
>
> --
> Adam
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