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Groups > linux.debian.user > #231594 > unrolled thread
| Started by | Long Wind <longwind2@yahoo.com> |
|---|---|
| First post | 2021-02-10 23:50 +0100 |
| Last post | 2021-02-12 21:00 +0100 |
| Articles | 20 on this page of 26 — 11 participants |
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how to set link/level in wifi configuration? Long Wind <longwind2@yahoo.com> - 2021-02-10 23:50 +0100
Re: how to set link/level in wifi configuration? pioruns2020 <pioruns2020@gmx.com> - 2021-02-11 00:10 +0100
Re: how to set link/level in wifi configuration? Long Wind <longwind2@yahoo.com> - 2021-02-11 02:50 +0100
Re: how to set link/level in wifi configuration? Peter Ehlert <peter@sdi-baja.com> - 2021-02-11 03:40 +0100
Re: how to set link/level in wifi configuration? Long Wind <longwind2@yahoo.com> - 2021-02-11 07:50 +0100
Re: how to set link/level in wifi configuration? didier gaumet <didier.gaumet@gmail.com> - 2021-02-11 11:00 +0100
Re: how to set link/level in wifi configuration? Anssi Saari <as@sci.fi> - 2021-02-11 10:00 +0100
Re: how to set link/level in wifi configuration? Long Wind <longwind2@yahoo.com> - 2021-02-11 10:40 +0100
Re: how to set link/level in wifi configuration? Andrei POPESCU <andreimpopescu@gmail.com> - 2021-02-11 10:40 +0100
Re: how to set link/level in wifi configuration? Long Wind <longwind2@yahoo.com> - 2021-02-11 11:10 +0100
Re: how to set link/level in wifi configuration? pioruns2020 <pioruns2020@gmx.com> - 2021-02-11 11:40 +0100
Re: how to set link/level in wifi configuration? <tomas@tuxteam.de> - 2021-02-11 12:00 +0100
Re: how to set link/level in wifi configuration? pioruns2019 <pioruns2019@gmx.com> - 2021-02-12 23:30 +0100
Re: how to set link/level in wifi configuration? Long Wind <longwind2@yahoo.com> - 2021-02-13 02:20 +0100
Re: how to set link/level in wifi configuration? Long Wind <longwind2@yahoo.com> - 2021-02-13 04:10 +0100
Re: how to set link/level in wifi configuration? Greg Wooledge <wooledg@eeg.ccf.org> - 2021-02-11 13:40 +0100
Re: how to set link/level in wifi configuration? David <bouncingcats@gmail.com> - 2021-02-11 11:30 +0100
Re: how to set link/level in wifi configuration? Long Wind <longwind2@yahoo.com> - 2021-02-11 12:40 +0100
Re: how to set link/level in wifi configuration? David <bouncingcats@gmail.com> - 2021-02-11 13:50 +0100
Re: how to set link/level in wifi configuration? David <bouncingcats@gmail.com> - 2021-02-11 15:10 +0100
Re: how to set link/level in wifi configuration? Long Wind <longwind2@yahoo.com> - 2021-02-11 18:40 +0100
Re: how to set link/level in wifi configuration? David <bouncingcats@gmail.com> - 2021-02-11 22:30 +0100
Re: how to set link/level in wifi configuration? David Wright <deblis@lionunicorn.co.uk> - 2021-02-12 00:30 +0100
Re: how to set link/level in wifi configuration? Long Wind <longwind2@yahoo.com> - 2021-02-12 12:10 +0100
Re: how to set link/level in wifi configuration? David <bouncingcats@gmail.com> - 2021-02-12 14:40 +0100
Re: how to set link/level in wifi configuration? Long Wind <longwind2@yahoo.com> - 2021-02-12 21:00 +0100
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| From | Long Wind <longwind2@yahoo.com> |
|---|---|
| Date | 2021-02-10 23:50 +0100 |
| Subject | how to set link/level in wifi configuration? |
| Message-ID | <BH6t4-3Xy-7@gated-at.bofh.it> |
[Multipart message — attachments visible in raw view] — view raw
auto wlx502b73d50a69 iface wlx502b73d50a69 inet dhcp wireless-essid JHotel i use above to set up wireless connection in stretchbut often link/level is low (about 30) according to xosviewand connection can be easily lostif link/level is about 50, connection is stable buster has same problem ubuntu can easily connect above link/level 60, it's stable
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| From | pioruns2020 <pioruns2020@gmx.com> |
|---|---|
| Date | 2021-02-11 00:10 +0100 |
| Message-ID | <BH6Mr-4jX-31@gated-at.bofh.it> |
| In reply to | #231594 |
On 10/02/2021 22:45, Long Wind wrote: > auto wlx502b73d50a69 > iface wlx502b73d50a69 inet dhcp > wireless-essid JHotel Means nothing. You need to provide full report from inxi or similar tool. > i use above to set up wireless connection in stretch > but often link/level is low (about 30) according to xosview > and connection can be easily lost Okay > if link/level is about 50, connection is stable > buster has same problem That's not a system problem, unless driver uses less power comparing to Ubuntu. > > ubuntu can easily connect above link/level 60, it's stable Move closer to your Access Point. -- Kind regards, pioruns2020
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| From | Long Wind <longwind2@yahoo.com> |
|---|---|
| Date | 2021-02-11 02:50 +0100 |
| Message-ID | <BH9hf-5CW-1@gated-at.bofh.it> |
| In reply to | #231595 |
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i've just installed inxi, but i don't think it's helpful zhou@debian:~$ inxi CPU: Dual Core Pentium E6500 (-MCP-) speed/min/max: 1603/1603/2936 MHz Kernel: 4.9.0-8-686-pae i686 Up: 4m Mem: 390.5/4005.9 MiB (9.7%) Storage: 74.53 GiB (42.2% used) Procs: 103 Shell: bash 4.4.12 inxi: 3.0.32 zhou@debian:~$
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| From | Peter Ehlert <peter@sdi-baja.com> |
|---|---|
| Date | 2021-02-11 03:40 +0100 |
| Message-ID | <BHa3D-67w-1@gated-at.bofh.it> |
| In reply to | #231596 |
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On 2/10/21 5:40 PM, Long Wind wrote: > i've just installed inxi, but i don't think it's helpful try inxi -F > > zhou@debian:~$ inxi > CPU: Dual Core Pentium E6500 (-MCP-) speed/min/max: 1603/1603/2936 MHz > Kernel: 4.9.0-8-686-pae i686 Up: 4m Mem: 390.5/4005.9 MiB (9.7%) > Storage: 74.53 GiB (42.2% used) Procs: 103 Shell: bash 4.4.12 inxi: > 3.0.32 > zhou@debian:~$ > > > > >
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| From | Long Wind <longwind2@yahoo.com> |
|---|---|
| Date | 2021-02-11 07:50 +0100 |
| Message-ID | <BHdXz-6q-1@gated-at.bofh.it> |
| In reply to | #231597 |
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zhou@debian:~$ inxi -F System: Host: debian Kernel: 4.9.0-8-686-pae i686 bits: 32 Desktop: twm Distro: Debian GNU/Linux 9 (stretch) Machine: Type: Desktop System: LENOVO product: ThinkCentre M4250S v: Lenovo serial: <root required> Mobo: LENOVO model: N/A serial: <root required> BIOS: LENOVO v: 90KT16AUS date: 10/21/2010 CPU: Topology: Dual Core model: Pentium E6500 bits: 64 type: MCP L2 cache: 2048 KiB Speed: 1603 MHz min/max: 1603/2936 MHz Core speeds (MHz): 1: 1603 2: 1603 Graphics: Device-1: Intel 4 Series Integrated Graphics driver: i915 v: kernel Display: server: X.Org 1.20.4 driver: i915 resolution: 1366x768~60Hz OpenGL: renderer: Mesa DRI Intel G41 x86/MMX/SSE2 v: 2.1 Mesa 18.3.6 Audio: Device-1: Intel NM10/ICH7 Family High Definition Audio driver: snd_hda_intel Sound Server: ALSA v: k4.9.0-8-686-pae Network: Message: No Device data found. Device-1: Ralink MT7601U Wireless Adapter type: USB driver: mt7601u IF: wlx502b73d50a69 state: up mac: 50:2b:73:d5:0a:69 Drives: Local Storage: total: 74.53 GiB used: 31.48 GiB (42.2%) ID-1: /dev/sda vendor: Maxtor model: 6Y080M0 size: 74.53 GiB Partition: ID-1: / size: 8.09 GiB used: 5.39 GiB (66.6%) fs: ext4 dev: /dev/sda3 Sensors: System Temperatures: cpu: 39.0 C mobo: N/A Fan Speeds (RPM): N/A Info: Processes: 96 Uptime: 6m Memory: 3.91 GiB used: 331.0 MiB (8.3%) Shell: bash inxi: 3.0.32 zhou@debian:~$
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| From | didier gaumet <didier.gaumet@gmail.com> |
|---|---|
| Date | 2021-02-11 11:00 +0100 |
| Message-ID | <BHgVr-1QV-11@gated-at.bofh.it> |
| In reply to | #231598 |
Le 11/02/2021 à 07:42, Long Wind a écrit : > zhou@debian:~$ inxi -F > System: > Host: debian Kernel: 4.9.0-8-686-pae i686 bits: 32 Desktop: twm > Distro: Debian GNU/Linux 9 (stretch) [...] > Topology: Dual Core model: Pentium E6500 bits: 64 type: MCP [...] > Device-1: Ralink MT7601U Wireless Adapter type: USB driver: mt7601u [...] The MT7601U chipset is not a recent one so it should not require a very recent kernel (in case Ubuntu has a more recent kernel that your Debian distros) There is one notable difference, though, between your Ubuntu and Debian distros: there is no more i386 version of Ubuntu, so you are using a amd64 version of it but you are using a i386 architecture version of Debian on your amd64 architecture processor (with PAE). That could be the origin of your problems and I suggest you using an amd64 Debian: nowadays I would say that running a 32bits OS on a 64bits proc probably offers mostly drawbacks...
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| From | Anssi Saari <as@sci.fi> |
|---|---|
| Date | 2021-02-11 10:00 +0100 |
| Message-ID | <BHfZn-1hz-3@gated-at.bofh.it> |
| In reply to | #231594 |
Long Wind <longwind2@yahoo.com> writes: > ubuntu can easily connect above link/level 60, it's stable If you mean with same hardware and same location then why not stick with it since it works better? If you don't mean that then what do you mean?
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| From | Long Wind <longwind2@yahoo.com> |
|---|---|
| Date | 2021-02-11 10:40 +0100 |
| Message-ID | <BHgC5-1JN-7@gated-at.bofh.it> |
| In reply to | #231600 |
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you mean i stick with ubuntu?i'm long-time user of debianubuntu is new to me, i'm not comfortable with it
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| From | Andrei POPESCU <andreimpopescu@gmail.com> |
|---|---|
| Date | 2021-02-11 10:40 +0100 |
| Message-ID | <BHgC5-1JN-13@gated-at.bofh.it> |
| In reply to | #231594 |
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On Mi, 10 feb 21, 22:45:23, Long Wind wrote: > auto wlx502b73d50a69 > iface wlx502b73d50a69 inet dhcp > wireless-essid JHotel > i use above to set up wireless connection in stretchbut often link/level is low (about 30) according to xosviewand connection can be easily lostif link/level is about 50, connection is stable > buster has same problem > > ubuntu can easily connect above link/level 60, it's stable What's the difference between Debian and Ubuntu, in particular kernel and firmware-ralink? Kind regards, Andrei -- http://wiki.debian.org/FAQsFromDebianUser
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| From | Long Wind <longwind2@yahoo.com> |
|---|---|
| Date | 2021-02-11 11:10 +0100 |
| Message-ID | <BHh57-29t-3@gated-at.bofh.it> |
| In reply to | #231602 |
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here is Ubuntu's kernel, according "uname -a" Linux zhou-Lenovo 4.15.0-45-generic #48~16.04.1-Ubuntu SMP Tue Jan 29 18:03:19 UTC 2019 i686 i686 i686 GNU/Linux it's built from stretch/sid according its /etc/debian_version i don't know how to find out firmware, i guess it uses same as debian they say ubuntu is more user-friendly and i know less details
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| From | pioruns2020 <pioruns2020@gmx.com> |
|---|---|
| Date | 2021-02-11 11:40 +0100 |
| Message-ID | <BHhya-2iN-7@gated-at.bofh.it> |
| In reply to | #231604 |
On 11/02/2021 10:04, Long Wind wrote: > here is Ubuntu's kernel, according "uname -a" > Linux zhou-Lenovo 4.15.0-45-generic #48~16.04.1-Ubuntu SMP Tue Jan 29 > 18:03:19 UTC 2019 i686 i686 i686 GNU/Linux > > it's built from stretch/sid according its /etc/debian_version > > i don't know how to find out firmware, i guess it uses same as debian > > they say ubuntu is more user-friendly and i know less details > > You are using 32-bit Ubuntu and Debian on 64-bit processor. Why? Ubuntu uses kernel 4.15. Debian uses kernel 4.9, much older. This could be source of your problem. -- Kind regards, pioruns2020
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| From | <tomas@tuxteam.de> |
|---|---|
| Date | 2021-02-11 12:00 +0100 |
| Message-ID | <BHhRw-2pc-5@gated-at.bofh.it> |
| In reply to | #231606 |
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On Thu, Feb 11, 2021 at 10:18:49AM +0000, pioruns2020 wrote: > On 11/02/2021 10:04, Long Wind wrote: > >here is Ubuntu's kernel, according "uname -a" > >Linux zhou-Lenovo 4.15.0-45-generic #48~16.04.1-Ubuntu SMP Tue Jan 29 > >18:03:19 UTC 2019 i686 i686 i686 GNU/Linux > > > >it's built from stretch/sid according its /etc/debian_version > > > >i don't know how to find out firmware, i guess it uses same as debian > > > >they say ubuntu is more user-friendly and i know less details > > > > > You are using 32-bit Ubuntu and Debian on 64-bit processor. Why? > > Ubuntu uses kernel 4.15. > Debian uses kernel 4.9, much older. This could be source of your problem. FWIW, Debian stable's current kernel is 4.19. Cheers - t
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| From | pioruns2019 <pioruns2019@gmx.com> |
|---|---|
| Date | 2021-02-12 23:30 +0100 |
| Message-ID | <BHP6N-5GW-1@gated-at.bofh.it> |
| In reply to | #231609 |
On 11/02/2021 10:52, tomas@tuxteam.de wrote: > FWIW, Debian stable's current kernel is 4.19. > > Cheers > - t I don't think OP bothered to update his system. -- Kind regards, pioruns2019
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| From | Long Wind <longwind2@yahoo.com> |
|---|---|
| Date | 2021-02-13 02:20 +0100 |
| Message-ID | <BHRLj-7hN-3@gated-at.bofh.it> |
| In reply to | #231677 |
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both my ubuntu and fedora 25 are old, their wifi connection are oki don't think new kernel can solve my problem
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| From | Long Wind <longwind2@yahoo.com> |
|---|---|
| Date | 2021-02-13 04:10 +0100 |
| Message-ID | <BHTtL-8l0-1@gated-at.bofh.it> |
| In reply to | #231680 |
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i've moved to other hotel, wifi is good, it seems closer to APthough freq is still 2412 MHz
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| From | Greg Wooledge <wooledg@eeg.ccf.org> |
|---|---|
| Date | 2021-02-11 13:40 +0100 |
| Message-ID | <BHjqi-3ra-5@gated-at.bofh.it> |
| In reply to | #231604 |
On Thu, Feb 11, 2021 at 10:04:45AM +0000, Long Wind wrote: > i don't know how to find out firmware, i guess it uses same as debian Don't guess. dpkg -l | grep firmware
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| From | David <bouncingcats@gmail.com> |
|---|---|
| Date | 2021-02-11 11:30 +0100 |
| Message-ID | <BHhou-2fu-3@gated-at.bofh.it> |
| In reply to | #231594 |
On Thu, 11 Feb 2021 at 09:46, Long Wind <longwind2@yahoo.com> wrote: > auto wlx502b73d50a69 > iface wlx502b73d50a69 inet dhcp > wireless-essid JHotel > i use above to set up wireless connection in stretch > but often link/level is low (about 30) according to xosview > and connection can be easily lost > if link/level is about 50, connection is stable > buster has same problem > ubuntu can easily connect above link/level 60, it's stable Can you show us the output of the following commands for Ubuntu and also for Debian? # iw dev wlx502b73d50a69 info # iw dev wlx502b73d50a69 link # iw dev wlx502b73d50a69 station dump
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| From | Long Wind <longwind2@yahoo.com> |
|---|---|
| Date | 2021-02-11 12:40 +0100 |
| Message-ID | <BHiud-2Rp-3@gated-at.bofh.it> |
| In reply to | #231605 |
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Thank David! below is your requested output by ubuntu and debianbut link/level in debian is above 50, it's ok, i'm afraid it offer little clue to my problem output by ubuntu:zhou@zhou-Lenovo:~$ iw dev wlx502b73d50a69 info Interface wlx502b73d50a69 ifindex 2 wdev 0x1 addr 50:2b:73:d5:0a:69 ssid JHotel type managed wiphy 0 channel 11 (2462 MHz), width: 20 MHz, center1: 2462 MHz zhou@zhou-Lenovo:~$ iw dev wlx502b73d50a69 link Connected to 06:74:9c:9b:f9:99 (on wlx502b73d50a69) SSID: JHotel freq: 2462 RX: 211078 bytes (2150 packets) TX: 19433 bytes (199 packets) signal: -41 dBm tx bitrate: 58.5 MBit/s MCS 6 bss flags: short-preamble short-slot-time dtim period: 1 beacon int: 100 zhou@zhou-Lenovo:~$ iw dev wlx502b73d50a69 station dump Station 06:74:9c:9b:f9:99 (on wlx502b73d50a69) inactive time: 5404 ms rx bytes: 243537 rx packets: 2486 tx bytes: 21049 tx packets: 225 tx retries: 50 tx failed: 0 signal: -41 [-41] dBm signal avg: -42 [-42] dBm tx bitrate: 65.0 MBit/s MCS 7 rx bitrate: 11.0 MBit/s expected throughput: 31.218Mbps authorized: yes authenticated: yes preamble: long WMM/WME: yes MFP: no TDLS peer: no zhou@zhou-Lenovo:~$ output by debian:root@debian:~# iw dev wlx502b73d50a69 info Interface wlx502b73d50a69 ifindex 2 wdev 0x1 addr 50:2b:73:d5:0a:69 ssid JHotel type managed wiphy 0 channel 1 (2412 MHz), width: 20 MHz, center1: 2412 MHz txpower 20.00 dBm root@debian:~# iw dev wlx502b73d50a69 link Connected to 06:74:9c:6e:ca:6a (on wlx502b73d50a69) SSID: JHotel freq: 2412 RX: 8705059 bytes (16115 packets) TX: 1882637 bytes (7086 packets) signal: -53 dBm rx bitrate: 72.2 MBit/s MCS 7 short GI tx bitrate: 43.3 MBit/s MCS 4 short GI bss flags: short-preamble short-slot-time dtim period: 1 beacon int: 100 root@debian:~# iw dev wlx502b73d50a69 station dump Station 06:74:9c:6e:ca:6a (on wlx502b73d50a69) inactive time: 2440 ms rx bytes: 8724627 rx packets: 16318 tx bytes: 1883412 tx packets: 7089 tx retries: 6356 tx failed: 160 beacon loss: 46 beacon rx: 4071 rx drop misc: 288 signal: -51 [-51] dBm signal avg: -52 [-52] dBm beacon signal avg: -52 dBm tx bitrate: 72.2 MBit/s MCS 7 short GI rx bitrate: 72.2 MBit/s MCS 7 short GI expected throughput: 26.367Mbps authorized: yes authenticated: yes associated: yes preamble: long WMM/WME: yes MFP: no TDLS peer: no DTIM period: 1 beacon interval:100 short preamble: yes short slot time:yes connected time: 623 seconds
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| From | David <bouncingcats@gmail.com> |
|---|---|
| Date | 2021-02-11 13:50 +0100 |
| Message-ID | <BHjzY-3vC-5@gated-at.bofh.it> |
| In reply to | #231612 |
On Thu, 11 Feb 2021 at 22:37, Long Wind <longwind2@yahoo.com> wrote:
>
> Thank David! below is your requested output by ubuntu and debian
> but link/level in debian is above 50, it's ok, i'm afraid it offer little clue to my problem
> output by ubuntu:
> zhou@zhou-Lenovo:~$ iw dev wlx502b73d50a69 link
> Connected to 06:74:9c:9b:f9:99 (on wlx502b73d50a69)
> SSID: JHotel
> freq: 2462
> signal: -41 dBm
> output by debian:
> root@debian:~# iw dev wlx502b73d50a69 link
> Connected to 06:74:9c:6e:ca:6a (on wlx502b73d50a69)
> SSID: JHotel
> freq: 2412
> signal: -53 dBm
It looks like you have 2 access points (AP) near you on the JHotel network.
Ubuntu is connecting to an AP using channel 11 (2462 MHz) at -41dBm
signal strength.
This is a good signal strength.
Debian is connecting to an AP using channel 1 (2412 MHz) at -53dBm
signal strength.
This is weaker than the other channel and will have worse performance.
I suggest you try to configure Debian to use channel 11.
You should look how best to do this on your computer.
On my computer (yours might be different) I would do it like this:
In the file /etc/wpa_supplicant/wpa_supplicant.conf there will be
something like:
network={
ssid="JHotel"
...
}
Add a line to specify the channel frequency like this.
network={
ssid="JHotel"
frequency=2462
...
}
The goal is that when you run
# iw dev wlx502b73d50a69 link
you want to see:
freq: 2462
Do NOT post your wpa_supplicant.conf file here,
because it contains private password information.
Some basic explanation:
https://www.metageek.com/training/resources/why-channels-1-6-11.html
https://www.metageek.com/training/resources/wifi-signal-strength-basics.html
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| From | David <bouncingcats@gmail.com> |
|---|---|
| Date | 2021-02-11 15:10 +0100 |
| Message-ID | <BHkPo-4ro-11@gated-at.bofh.it> |
| In reply to | #231614 |
On Thu, 11 Feb 2021 at 23:43, David <bouncingcats@gmail.com> wrote:
> In the file /etc/wpa_supplicant/wpa_supplicant.conf there will be
> something like:
> network={
> ssid="JHotel"
> ...
> }
>
> Add a line to specify the channel frequency like this.
> network={
> ssid="JHotel"
> frequency=2462
> ...
> }
Sorry, I made an error in the above.
I should have tested it instead of relying
on a random web page :<
The correct version is below, I tested, it works:
Add a line to specify the channel frequency like this.
network={
ssid="JHotel"
freq_list=2462
...
}
WARNING: This will configure your wifi to ONLY work
on channel 11 on this SSID and it will ignore all other channels
on this SSID.
The documentation is in
/usr/share/doc/wpasupplicant/examples/wpa_supplicant.conf
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