* [9fans] pi3 b+ and 5ghz wifi
@ 2021-01-25 11:42 Steve Simon
2021-01-25 12:09 ` Richard Miller
0 siblings, 1 reply; 6+ messages in thread
From: Steve Simon @ 2021-01-25 11:42 UTC (permalink / raw)
To: 9fans
hi,
does the pi3 b+ support 5ghz wifi?
i have a feeling it doesn’t but i cannot find a message in 8fans passim which states one way of the other,
i understand it will probably be no quicker but i am seeing miserable performance from wifi at the moment which i am fairly sure is due to my neighbours on the 2.4ghz band. 5ghz on the other hand looks fairly free.
on the same topic - is 5ghz supported on the pi4 ?
-Steve
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* Re: [9fans] pi3 b+ and 5ghz wifi
2021-01-25 11:42 [9fans] pi3 b+ and 5ghz wifi Steve Simon
@ 2021-01-25 12:09 ` Richard Miller
2021-01-25 17:46 ` Pouya Tafti
0 siblings, 1 reply; 6+ messages in thread
From: Richard Miller @ 2021-01-25 12:09 UTC (permalink / raw)
To: 9fans
> does the pi3 b+ support 5ghz wifi?
> ...
> on the same topic - is 5ghz supported on the pi4 ?
Yes to both - as regards the hardware.
I can't recall whether the ether4330 driver tries
to connect to 5ghz channels. You could experiment
by giving your router a separate 5ghz-only SSID
and see if you can connect to that.
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* Re: [9fans] pi3 b+ and 5ghz wifi
2021-01-25 12:09 ` Richard Miller
@ 2021-01-25 17:46 ` Pouya Tafti
2021-01-25 20:06 ` Richard Miller
0 siblings, 1 reply; 6+ messages in thread
From: Pouya Tafti @ 2021-01-25 17:46 UTC (permalink / raw)
To: 9fans
On Mon, Jan 25, 2021 at 12:09:36PM +0000, Richard Miller wrote:
> > does the pi3 b+ support 5ghz wifi?
> > ...
> > on the same topic - is 5ghz supported on the pi4 ?
>
> Yes to both - as regards the hardware.
>
> I can't recall whether the ether4330 driver tries
> to connect to 5ghz channels. You could experiment
> by giving your router a separate 5ghz-only SSID
> and see if you can connect to that.
I was trying to do just that last night on a very old pi3b+ and it seemed
to choke on
aux/wpa -2p -s SSID_5G /net/ether1
It was way past my bedtime so I quickly gave up and connected to a 2.4GHz
SSID instead.
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* Re: [9fans] pi3 b+ and 5ghz wifi
2021-01-25 17:46 ` Pouya Tafti
@ 2021-01-25 20:06 ` Richard Miller
2021-01-26 8:10 ` Pouya Tafti
0 siblings, 1 reply; 6+ messages in thread
From: Richard Miller @ 2021-01-25 20:06 UTC (permalink / raw)
To: 9fans
> was trying to do just that last night on a very old pi3b+ and it seemed
> to choke on
>
> aux/wpa -2p -s SSID_5G /net/ether1
Did you bind '#l1' first?
Here's what works for me:
term% bind -a '#l1' /net
term% aux/wpa -2p -s 1d2e12-5GHz /net/ether1
!Adding key: essid=1d2e12-5GHz proto=wpapsk
password:
term% ip/ipconfig ether /net/ether1
term% cat /net/ipselftab
term% ip/ping 9p.io
sending 32 64 byte messages 1000 ms apart to icmp!9p.io!1
0: rtt 32638 µs, avg rtt 32638 µs, ttl = 246
1: rtt 29566 µs, avg rtt 31102 µs, ttl = 246
...
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* Re: [9fans] pi3 b+ and 5ghz wifi
2021-01-25 20:06 ` Richard Miller
@ 2021-01-26 8:10 ` Pouya Tafti
2021-01-31 0:05 ` pouya+lists.9fans
0 siblings, 1 reply; 6+ messages in thread
From: Pouya Tafti @ 2021-01-26 8:10 UTC (permalink / raw)
To: 9fans
On Mon, Jan 25, 2021 at 08:06:05PM +0000, Richard Miller wrote:
>
> Did you bind '#l1' first?
Yes, I did. Basically followed the same instructions as you wrote
below (think I even took them from your reply on an older thread
so thanks!) plus 'ndb/dns -r'. Worked for 2.4GHz but not for 5GHz.
A quick internet search suggests a possibility that the 5GHz band may
need to be enabled by setting the regulatory domain/region. Will give it
another try at some point; a bit hesitant right now since it's a normally
headless setup and I don't want to mess with connectivity too often.
> Here's what works for me:
>
> term% bind -a '#l1' /net
> term% aux/wpa -2p -s 1d2e12-5GHz /net/ether1
>
> !Adding key: essid=1d2e12-5GHz proto=wpapsk
> password:
> term% ip/ipconfig ether /net/ether1
> term% cat /net/ipselftab
> term% ip/ping 9p.io
> sending 32 64 byte messages 1000 ms apart to icmp!9p.io!1
> 0: rtt 32638 µs, avg rtt 32638 µs, ttl = 246
> 1: rtt 29566 µs, avg rtt 31102 µs, ttl = 246
> ...
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2021-01-25 11:42 [9fans] pi3 b+ and 5ghz wifi Steve Simon
2021-01-25 12:09 ` Richard Miller
2021-01-25 17:46 ` Pouya Tafti
2021-01-25 20:06 ` Richard Miller
2021-01-26 8:10 ` Pouya Tafti
2021-01-31 0:05 ` pouya+lists.9fans
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