bonjour je suis nouveau sur ubuntu et je remarque des debit instable contrairement a quand jetais sur windows donc j'ai fais un wifi checks log
>> lsb_release -a
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Codename: focal
>> lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 04f2:b627 Chicony Electronics Co., Ltd HP Wide Vision HD Camera
Bus 001 Device 003: ID 0bda:b00b Realtek Semiconductor Corp. Bluetooth Radio
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8822BE 802.11a/b/g/n/ac WiFi adapter [10ec:b822]
DeviceName: WLAN
Subsystem: Hewlett-Packard Company Realtek RTL8822BE 802.11ac 2 × 2 Wi-Fi + Bluetooth 4.2 Combo Adapter (MU-MIMO supported) [103c:831b]
Kernel driver in use: rtw_pci
--
05:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 16)
DeviceName: Realtek Gaming GBE Family Controller
Subsystem: Hewlett-Packard Company RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [103c:8478]
Kernel driver in use: r8169
Kernel modules: r8169
>> sudo lshw -C network
*-network
description: Interface réseau sans fil
produit: RTL8822BE 802.11a/b/g/n/ac WiFi adapter
fabricant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:02:00.0
nom logique: wlo1
version: 00
numéro de série: c0:b5:d7:91:4e:c1
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration : broadcast=yes driver=rtw_pci driverversion=5.4.0-53-generic firmware=N/A ip=192.168.1.31 latency=0 link=yes multicast=yes wireless=IEEE 802.11
ressources : irq:142 portE/S:4000(taille=256) mémoire:b4500000-b450ffff
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabricant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:05:00.0
nom logique: eno1
version: 16
numéro de série: c4:65:16:93:cd:85
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration : autonegotiation=on broadcast=yes driver=r8169 firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=MII
ressources : irq:16 portE/S:3000(taille=256) mémoire:b4204000-b4204fff mémoire:b4200000-b4203fff
>> lsmod | sort
ac97_bus 16384 1 snd_soc_core
acpi_pad 184320 0
acpi_thermal_rel 16384 1 int3400_thermal
aesni_intel 372736 8
af_alg 24576 6 algif_hash,algif_skcipher
ahci 40960 1
algif_hash 16384 1
algif_skcipher 16384 1
autofs4 45056 2
bluetooth 548864 31 btrtl,btintel,btbcm,bnep,btusb,rfcomm
bnep 24576 2
btbcm 16384 1 btusb
btcoexist 155648 1 rtl8723be
btintel 24576 1 btusb
btrtl 24576 1 btusb
btusb 57344 0
ccm 20480 6
cfg80211 704512 3 rtlwifi,mac80211,rtw88
cmac 16384 3
coretemp 20480 0
crc32_pclmul 16384 0
crct10dif_pclmul 16384 1
cryptd 24576 3 crypto_simd,ghash_clmulni_intel
crypto_simd 16384 1 aesni_intel
drm 491520 10 drm_kms_helper,i915,ttm,nouveau
drm_kms_helper 184320 2 i915,nouveau
ecc 28672 1 ecdh_generic
ecdh_generic 16384 2 bluetooth
fb_sys_fops 16384 1 drm_kms_helper
ghash_clmulni_intel 16384 0
glue_helper 16384 1 aesni_intel
hp_accel 28672 0
hp_wireless 16384 0
hp_wmi 16384 0
i2c_algo_bit 16384 2 i915,nouveau
i2c_i801 32768 0
i915 1986560 20
input_leds 16384 0
input_polldev 20480 1 lis3lv02d
int3400_thermal 20480 0
int3403_thermal 20480 0
int340x_thermal_zone 16384 2 int3403_thermal,processor_thermal_device
intel_cstate 20480 0
intel_pch_thermal 16384 0
intel_powerclamp 20480 0
intel_rapl_common 24576 2 intel_rapl_msr,processor_thermal_device
intel_rapl_msr 20480 0
intel_soc_dts_iosf 20480 1 processor_thermal_device
intel_wmi_thunderbolt 20480 0
ip_tables 32768 0
joydev 24576 0
kvm 663552 0
ledtrig_audio 16384 3 snd_hda_codec_generic,snd_hda_codec_realtek,snd_sof
libahci 32768 1 ahci
libarc4 16384 1 mac80211
lis3lv02d 24576 1 hp_accel
lp 20480 0
mac80211 843776 5 rtl_pci,rtwpci,rtl8723be,rtlwifi,rtw88
mac_hid 16384 0
mc 53248 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
mei 106496 3 mei_hdcp,mei_me
mei_hdcp 24576 0
mei_me 40960 1
Module Size Used by
mxm_wmi 16384 1 nouveau
nls_iso8859_1 16384 1
nouveau 1949696 1
nvme 49152 2
nvme_core 102400 4 nvme
parport 53248 3 parport_pc,lp,ppdev
parport_pc 40960 0
pinctrl_cannonlake 36864 0
pinctrl_intel 28672 1 pinctrl_cannonlake
ppdev 24576 0
processor_thermal_device 24576 0
psmouse 155648 0
r8169 90112 0
rapl 20480 0
realtek 24576 1
rfcomm 81920 4
rtl8723be 102400 0
rtl8723_common 24576 1 rtl8723be
rtl_pci 28672 1 rtl8723be
rtlwifi 90112 4 rtl_pci,rtl8723be,btcoexist,rtl8723_common
rtw88 618496 1 rtwpci
rtwpci 24576 0
sch_fq_codel 20480 2
serio_raw 20480 0
snd 90112 21 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_compress,snd_soc_core,snd_pcm,snd_rawmidi
snd_compress 24576 1 snd_soc_core
snd_hda_codec 135168 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek,snd_soc_hdac_hda
snd_hda_codec_generic 81920 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 61440 2
snd_hda_codec_realtek 126976 1
snd_hda_core 90112 9 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_hda_codec_realtek,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda
snd_hda_ext_core 28672 3 snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda
snd_hda_intel 53248 4
snd_hwdep 20480 1 snd_hda_codec
snd_intel_dspcfg 24576 3 snd_hda_intel,snd_sof_pci,snd_sof_intel_hda_common
snd_pcm 106496 8 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_sof,snd_sof_intel_hda_common,snd_soc_core,snd_hda_core,snd_pcm_dmaengine
snd_pcm_dmaengine 16384 1 snd_soc_core
snd_rawmidi 36864 1 snd_seq_midi
snd_seq 69632 2 snd_seq_midi,snd_seq_midi_event
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_seq_midi 20480 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_soc_acpi 16384 2 snd_sof_pci,snd_soc_acpi_intel_match
snd_soc_acpi_intel_match 32768 2 snd_sof_pci,snd_sof_intel_hda_common
snd_soc_core 245760 3 snd_sof,snd_sof_intel_hda_common,snd_soc_hdac_hda
snd_soc_hdac_hda 24576 1 snd_sof_intel_hda_common
snd_sof 106496 4 snd_sof_pci,snd_sof_intel_hda_common,snd_sof_intel_byt,snd_sof_intel_ipc
snd_sof_intel_byt 20480 1 snd_sof_pci
snd_sof_intel_hda 20480 1 snd_sof_intel_hda_common
snd_sof_intel_hda_common 69632 1 snd_sof_pci
snd_sof_intel_ipc 20480 1 snd_sof_intel_byt
snd_sof_pci 20480 0
snd_sof_xtensa_dsp 16384 1 snd_sof_pci
snd_timer 36864 2 snd_seq,snd_pcm
soundcore 16384 1 snd
sparse_keymap 16384 1 hp_wmi
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
ttm 106496 1 nouveau
typec 45056 1 typec_ucsi
typec_ucsi 40960 1 ucsi_acpi
ucsi_acpi 16384 0
uvcvideo 98304 0
vboxdrv 487424 2 vboxnetadp,vboxnetflt
vboxnetadp 28672 0
vboxnetflt 28672 0
video 49152 2 i915,nouveau
videobuf2_common 49152 2 videobuf2_v4l2,uvcvideo
videobuf2_memops 20480 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_vmalloc 20480 1 uvcvideo
videodev 225280 3 videobuf2_v4l2,uvcvideo,videobuf2_common
wmi 32768 5 hp_wmi,intel_wmi_thunderbolt,wmi_bmof,mxm_wmi,nouveau
wmi_bmof 16384 0
x86_pkg_temp_thermal 20480 0
x_tables 40960 1 ip_tables
>> iwconfig
wlo1 IEEE 802.11 ESSID:"Freebox-51D0E4 5ghz"
Mode:Managed Frequency:5.18 GHz Access Point: 8C:97:EA:ED:F9:84
Bit Rate=866.7 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:on
Link Quality=70/70 Signal level=-32 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:8 Missed beacon:0
>> ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eno1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
link/ether c4:65:16:93:cd:85 brd ff:ff:ff:ff:ff:ff
3: wlo1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether c0:b5:d7:91:4e:c1 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.31/24 brd 192.168.1.255 scope global dynamic noprefixroute wlo1
valid_lft 42796sec preferred_lft 42796sec
inet6 2a01:e0a:32c:80b0:88a7:cd8:54e4:51f/64 scope global temporary dynamic
valid_lft 85966sec preferred_lft 42338sec
inet6 2a01:e0a:32c:80b0:5f2e:9403:5375:1fa4/64 scope global dynamic mngtmpaddr noprefixroute
valid_lft 85966sec preferred_lft 85966sec
inet6 fe80::85c0:ecd7:82b0:3080/64 scope link noprefixroute
valid_lft forever preferred_lft forever
>> sudo iwlist scan
>> uname -r -m
5.4.0-53-generic x86_64
>> cat /etc/network/interfaces
>> nm-tool
>> nmcli dev wifi
IN-USE BSSID SSID MODE CHAN RATE SIGNAL BARS SECURITY
8E:97:EA:ED:F9:81 bh-ssid-939806J193100145 Mesh 6 270 Mbit/s 100 ▂▄▆█ WPA3
8C:97:EA:ED:F9:80 Freebox-51D0E4 Infra 6 130 Mbit/s 100 ▂▄▆█ WPA2
* 8C:97:EA:ED:F9:84 Freebox-51D0E4 5ghz Infra 36 270 Mbit/s 100 ▂▄▆█ WPA2
8E:97:EA:ED:F9:85 bh-ssid-939806J193100145 Mesh 36 270 Mbit/s 100 ▂▄▆█ WPA3
70:FC:8F:F0:E9:F6 Freebox-51D0E4 5ghz Infra 116 540 Mbit/s 99 ▂▄▆█ WPA2
72:FC:8F:F0:E9:F1 bh-ssid-939806J193100145 Mesh 6 540 Mbit/s 95 ▂▄▆█ WPA3
70:FC:8F:F0:E9:F0 Freebox-51D0E4 Infra 6 260 Mbit/s 95 ▂▄▆█ WPA2
70:FC:8F:F0:E9:F4 Freebox-51D0E4 5ghz Infra 36 540 Mbit/s 90 ▂▄▆█ WPA2
72:FC:8F:F0:E9:F5 bh-ssid-939806J193100145 Mesh 36 540 Mbit/s 90 ▂▄▆█ WPA3
CA:69:AE:AD:23:38 FREEBOX_LAURENT_1H Infra 1 270 Mbit/s 82 ▂▄▆█ WPA1
CA:69:AE:AD:23:3A FreeWifi_secure Infra 1 270 Mbit/s 82 ▂▄▆█ WPA1 802.1X
CA:69:AE:AD:23:39 -- Infra 1 270 Mbit/s 79 ▂▄▆_ WPA2
68:A3:78:D1:1B:B2 FreeWifi_secure Infra 8 195 Mbit/s 75 ▂▄▆_ WPA2 802.1X
68:A3:78:D1:1B:B0 FREEBOX_DANY_64 Infra 8 195 Mbit/s 74 ▂▄▆_ WPA1 WPA2
34:27:92:4D:A4:B0 FreeWifi_secure Infra 11 195 Mbit/s 52 ▂▄__ WPA2 802.1X
34:27:92:4D:A4:AE freebox_FCMBMR Infra 11 195 Mbit/s 50 ▂▄__ WPA1
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
Freebox-51D0E4 5ghz cfb01073-baee-4a5d-9d7a-7101f30cbc24 wifi wlo1
Connexion filaire 1 187c98e1-7f7b-31c7-ad79-34a4b520afa0 ethernet --
Freebox-51D0E4 59fc90e0-5620-47b7-b8cc-502ddf5bda7b wifi --
Freebox-BEFUMO 17e34851-b4a5-4d59-a262-ac7de15bae1a wifi --
Freebox-BEFUMO 5GHZ a3aac8be-8368-4f4c-b65c-2441edb8d2ea wifi --
>> sudo rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
