I have an quirky issue connecting my Linux machine to WiFi router only
on 5Ghz band, whereas on 2.4Ghz everything works fine(, but limiting the
internet bandwidth severly).
I suppose that's not router fault, because I'm able to connect my Galaxy
Note 10 using 5Ghz band at full speed. I suspect that is simply a Linux
configuration problem.
I'm using Ubuntu 20.10 with 5.8.0-41-generic kernel and Broadcom
BCM4360 802.11ac Wireless Network Adapter.
But let's start at the very beginning. I could suspect that the problem
may have someting with switching to Ubuntu 20.10, but I'm not in 100%
certain. I've discovered that *iw reg* setting was erased after some system
updates and retreats to *00* after every reboot:
*# iw reg getglobalcountry 00: DFS-UNSET (2402 - 2472 @ 40), (6, 20),
(N/A) (2457 - 2482 @ 20), (6, 20), (N/A), AUTO-BW, PASSIVE-SCAN (2474
- 2494 @ 20), (6, 20), (N/A), NO-OFDM, PASSIVE-SCAN (5170 - 5250 @ 80),
(6, 20), (N/A), AUTO-BW, PASSIVE-SCAN (5250 - 5330 @ 80), (6, 20), (0
ms), DFS, AUTO-BW, PASSIVE-SCAN (5490 - 5730 @ 160), (6, 20), (0 ms),
DFS, PASSIVE-SCAN (5735 - 5835 @ 80), (6, 20), (N/A), PASSIVE-SCAN
(57240 - 63720 @ 2160), (N/A, 0), (N/A)# iw reg set PL# iw reg
getglobalcountry PL: DFS-ETSI (2400 - 2483 @ 40), (N/A, 20), (N/A)
(5150 - 5250 @ 80), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW (5250 - 5350
@ 80), (N/A, 20), (0 ms), NO-OUTDOOR, DFS, AUTO-BW (5470 - 5725 @ 160),
(N/A, 26), (0 ms), DFS (5725 - 5875 @ 80), (N/A, 13), (N/A) (57000 -
66000 @ 2160), (N/A, 40), (N/A)*
The current settings of my WiFi router are:
*2.4Ghz802.11 Mode: Mixed (802.11b, 802.11g and 802.11n)Channel: Auto
(Current Ch. 1)Bandwidth: AutoPower: 1005Ghz802.11 Mode: Mixed (802.11a and
802.11n/ac)Channel: Auto (Current Ch. 100/80)Bandwidth: Auto*
*Power: 100*
By the way, I don't know why, but router country is fixed to: Irleand
(router was provided by polish cable company).
I think that listing below could be helpful:
*# iw listWiphy phy0 wiphy index: 0 max # scan SSIDs: 1 max scan
IEs length: 0 bytes max # sched scan SSIDs: 0 max # match sets: 0
max # scan plans: 1 max scan plan interval: -1 max scan plan
iterations: 0 Retry short limit: 7 Retry long limit: 4 Coverage
class: 0 (up to 0m) Supported Ciphers: * WEP40 (00-0f-ac:1)
* WEP104 (00-0f-ac:5) * TKIP (00-0f-ac:2) * CCMP-128
(00-0f-ac:4) * CMAC (00-0f-ac:6) Available Antennas: TX 0 RX 0
Supported interface modes: * IBSS * managed Band 1:
Bitrates (non-HT): * 1.0 Mbps * 2.0 Mbps (short
preamble supported) * 5.5 Mbps (short preamble supported)
* 11.0 Mbps (short preamble supported) * 6.0 Mbps
* 9.0 Mbps * 12.0 Mbps * 18.0 Mbps * 24.0
Mbps * 36.0 Mbps * 48.0 Mbps * 54.0 Mbps
Frequencies: * 2412 MHz [1] (20.0 dBm) * 2417
MHz [2] (20.0 dBm) * 2422 MHz [3] (20.0 dBm) * 2427
MHz [4] (20.0 dBm) * 2432 MHz [5] (20.0 dBm) * 2437
MHz [6] (20.0 dBm) * 2442 MHz [7] (20.0 dBm) * 2447
MHz [8] (20.0 dBm) * 2452 MHz [9] (20.0 dBm) * 2457
MHz [10] (20.0 dBm) * 2462 MHz [11] (20.0 dBm) * 2467
MHz [12] (20.0 dBm) * 2472 MHz [13] (20.0 dBm) * 2484
MHz [14] (disabled) Band 2: Bitrates (non-HT): * 6.0
Mbps * 9.0 Mbps * 12.0 Mbps * 18.0 Mbps
* 24.0 Mbps * 36.0 Mbps * 48.0 Mbps
* 54.0 Mbps Frequencies: * 5160 MHz [32] (23.0
dBm) * 5170 MHz [34] (23.0 dBm) * 5180 MHz [36] (23.0
dBm) * 5190 MHz [38] (23.0 dBm) * 5200 MHz [40] (23.0
dBm) * 5210 MHz [42] (23.0 dBm) * 5220 MHz [44] (23.0
dBm) * 5230 MHz [46] (23.0 dBm) * 5240 MHz [48] (23.0
dBm) * 5250 MHz [50] (disabled) * 5260 MHz [52] (20.0
dBm) (radar detection) * 5270 MHz [54] (20.0 dBm) (radar
detection) * 5280 MHz [56] (20.0 dBm) (radar detection)
* 5290 MHz [58] (20.0 dBm) (radar detection) * 5300 MHz
[60] (20.0 dBm) (radar detection) * 5310 MHz [62] (20.0 dBm)
(radar detection) * 5320 MHz [64] (20.0 dBm) (radar detection)
* 5330 MHz [66] (20.0 dBm) (radar detection) * 5340 MHz
[68] (20.0 dBm) (radar detection) * 5350 MHz [70] (disabled)
* 5360 MHz [72] (disabled) * 5370 MHz [74] (disabled)
* 5380 MHz [76] (disabled) * 5390 MHz [78] (disabled)
* 5400 MHz [80] (disabled) * 5410 MHz [82] (disabled)
* 5420 MHz [84] (disabled) * 5430 MHz [86] (disabled)
* 5440 MHz [88] (disabled) * 5450 MHz [90] (disabled)
* 5460 MHz [92] (disabled) * 5470 MHz [94] (disabled)
* 5480 MHz [96] (26.0 dBm) (radar detection) * 5490 MHz
[98] (26.0 dBm) (radar detection) * 5500 MHz [100] (26.0 dBm)
(radar detection) * 5510 MHz [102] (26.0 dBm) (radar
detection) * 5520 MHz [104] (26.0 dBm) (radar detection)
* 5530 MHz [106] (26.0 dBm) (radar detection) * 5540 MHz
[108] (26.0 dBm) (radar detection) * 5550 MHz [110] (26.0 dBm)
(radar detection) * 5560 MHz [112] (26.0 dBm) (radar
detection) * 5570 MHz [114] (26.0 dBm) (radar detection)
* 5580 MHz [116] (26.0 dBm) (radar detection) * 5590 MHz
[118] (26.0 dBm) (radar detection) * 5600 MHz [120] (26.0 dBm)
(radar detection) * 5610 MHz [122] (26.0 dBm) (radar
detection) * 5620 MHz [124] (26.0 dBm) (radar detection)
* 5630 MHz [126] (26.0 dBm) (radar detection) * 5640 MHz
[128] (26.0 dBm) (radar detection) * 5650 MHz [130] (26.0 dBm)
(radar detection) * 5660 MHz [132] (26.0 dBm) (radar
detection) * 5670 MHz [134] (26.0 dBm) (radar detection)
* 5680 MHz [136] (26.0 dBm) (radar detection) * 5690 MHz
[138] (26.0 dBm) (radar detection) * 5700 MHz [140] (26.0 dBm)
(radar detection) * 5710 MHz [142] (26.0 dBm) (radar
detection) * 5720 MHz [144] (disabled) * 5725 MHz
[145] (disabled) * 5730 MHz [146] (disabled) * 5735
MHz [147] (13.0 dBm) * 5740 MHz [148] (13.0 dBm) *
5745 MHz [149] (13.0 dBm) * 5750 MHz [150] (13.0 dBm)
* 5755 MHz [151] (13.0 dBm) * 5760 MHz [152] (13.0 dBm)
* 5765 MHz [153] (13.0 dBm) * 5770 MHz [154] (13.0 dBm)
* 5775 MHz [155] (13.0 dBm) * 5780 MHz [156] (13.0
dBm) * 5785 MHz [157] (13.0 dBm) * 5790 MHz [158]
(13.0 dBm) * 5795 MHz [159] (13.0 dBm) * 5800 MHz
[160] (13.0 dBm) * 5805 MHz [161] (13.0 dBm) * 5810
MHz [162] (13.0 dBm) * 5815 MHz [163] (13.0 dBm) *
5820 MHz [164] (13.0 dBm) * 5825 MHz [165] (13.0 dBm)
* 5830 MHz [166] (13.0 dBm) * 5840 MHz [168] (13.0 dBm)
* 5850 MHz [170] (13.0 dBm) * 5860 MHz [172] (13.0 dBm)
* 5870 MHz [174] (disabled) * 5880 MHz [176]
(disabled) * 5890 MHz [178] (disabled) * 5900 MHz
[180] (disabled) * 5910 MHz [182] (disabled) * 5920
MHz [184] (disabled) * 5930 MHz [186] (disabled) *
5940 MHz [188] (disabled) * 5950 MHz [0] (disabled) *
5960 MHz [2] (disabled) * 5970 MHz [4] (disabled) *
5980 MHz [6] (disabled) * 5990 MHz [8] (disabled) *
6000 MHz [10] (disabled) * 6010 MHz [12] (disabled) *
6020 MHz [14] (disabled) * 6030 MHz [16] (disabled) *
6040 MHz [18] (disabled) * 6050 MHz [20] (disabled) *
6060 MHz [22] (disabled) * 6070 MHz [24] (disabled) *
6080 MHz [26] (disabled) * 6090 MHz [28] (disabled) *
6100 MHz [30] (disabled) * 6110 MHz [32] (disabled) *
6120 MHz [34] (disabled) * 6130 MHz [36] (disabled) *
6140 MHz [38] (disabled) Supported commands: * set_interface
* new_key * join_ibss * set_pmksa *
del_pmksa * flush_pmksa * connect * disconnect
WoWLAN support: * wake up on disconnect * wake up on magic
packet * can do GTK rekeying * wake up on GTK rekey
failure * wake up on EAP identity request software interface
modes (can always be added): interface combinations are not supported
Device supports scan flush.*
* Supported extended features:*
# iwlist wlp8s0 frequency
wlp8s0 32 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Channel 12 : 2.467 GHz
Channel 13 : 2.472 GHz
Channel 14 : 2.484 GHz
Channel 36 : 5.18 GHz
Channel 38 : 5.19 GHz
Channel 40 : 5.2 GHz
Channel 42 : 5.21 GHz
Channel 44 : 5.22 GHz
Channel 46 : 5.23 GHz
Channel 48 : 5.24 GHz
Channel 52 : 5.26 GHz
Channel 56 : 5.28 GHz
Channel 60 : 5.3 GHz
Channel 64 : 5.32 GHz
Channel 100 : 5.5 GHz
Channel 104 : 5.52 GHz
Channel 108 : 5.54 GHz
Channel 112 : 5.56 GHz
Channel 116 : 5.58 GHz
Channel 120 : 5.6 GHz
Channel 124 : 5.62 GHz
Of course, I've tried to assign several channels manually (those without
radar detection), but without any result.
I would appreciate any clues what is happening and how to utilize 5Ghz band.
Your sincerely
Adam Przedniczek
--
--
You received this message because you are subscribed to the Linux Users Group.
To post a message, send email to linuxusersgroup@googlegroups.com
To unsubscribe, send email to linuxusersgroup+unsubscr...@googlegroups.com
For more options, visit our group at
http://groups.google.com/group/linuxusersgroup
References can be found at: http://goo.gl/anqri
Please remember to abide by our list rules (http://tinyurl.com/LUG-Rules)
---
You received this message because you are subscribed to the Google Groups
"Linux Users Group" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to linuxusersgroup+unsubscr...@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/linuxusersgroup/0d7d36b1-26fb-4083-a951-eebd6e5125c0n%40googlegroups.com.
