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My wireless frequently connects with a Bit Rate of 1 Mb/s. I'm currently using a Live Ubuntu 16.10 image to ensure that my Arch configuration isn't borking anything:
ubuntu@ubuntu:~$ sudo iwconfig
enp8s0 no wireless extensions.
lo no wireless extensions.
wlp6s0 IEEE 802.11 ESSID:"FL!GHT"
Mode:Managed Frequency:2.412 GHz Access Point: F0:F2:49:E3:A1:78
Bit Rate=1 Mb/s Tx-Power=15 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:on
Link Quality=55/70 Signal level=-55 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:95 Missed beacon:0Here's my theory: Allegedly, my wifi card only supports "IEEE 802.11". Meanwhile, in another Arch Linux thread about my Intel 5100 card, it shows the full "IEEE 802.11abgn". So, iwlwifi isn't detecting that my card has the "abgn" capabilities, but rather just base 802.11.
Additionally, after manually disabling and re-enabling the iwlwifi module, the speed improves (?)
ubuntu@ubuntu:~$ sudo iwconfig
enp8s0 no wireless extensions.
lo no wireless extensions.
wlp6s0 IEEE 802.11 ESSID:"FL!GHT"
Mode:Managed Frequency:2.412 GHz Access Point: F0:F2:49:E3:A1:78
Bit Rate=1 Mb/s Tx-Power=15 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:on
Link Quality=55/70 Signal level=-55 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:95 Missed beacon:0
ubuntu@ubuntu:~$ sudo modprobe -r iwlwifi
ubuntu@ubuntu:~$ sudo modprobe iwlwifi
ubuntu@ubuntu:~$ sudo iwconfig
enp8s0 no wireless extensions.
lo no wireless extensions.
wlp6s0 IEEE 802.11 ESSID:"FL!GHT"
Mode:Managed Frequency:2.412 GHz Access Point: F0:F2:49:E3:A1:78
Bit Rate=65 Mb/s Tx-Power=15 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:on
Link Quality=61/70 Signal level=-49 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:11 Missed beacon:0lscpi:
06:00.0 Network controller: Intel Corporation WiFi Link 5100
Subsystem: Intel Corporation WiFi Link 5100 AGN
Flags: bus master, fast devsel, latency 0, IRQ 32
Memory at d1500000 (64-bit, non-prefetchable) [size=8K]
Capabilities: [c8] Power Management version 3
Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [e0] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Device Serial Number 00-24-d6-ff-ff-3d-6e-60
Kernel driver in use: iwlwifi
Kernel modules: iwlwifidmesg:
[ 22.636366] iwlwifi 0000:06:00.0: can't disable ASPM; OS doesn't have ASPM control
[ 22.746490] iwlwifi 0000:06:00.0: loaded firmware version 8.83.5.1 build 33692 op_mode iwldvm
[ 23.083748] iwlwifi 0000:06:00.0: CONFIG_IWLWIFI_DEBUG disabled
[ 23.083751] iwlwifi 0000:06:00.0: CONFIG_IWLWIFI_DEBUGFS enabled
[ 23.083753] iwlwifi 0000:06:00.0: CONFIG_IWLWIFI_DEVICE_TRACING enabled
[ 23.083755] iwlwifi 0000:06:00.0: Detected Intel(R) WiFi Link 5100 AGN, REV=0x54
[ 23.089407] iwlwifi 0000:06:00.0: L1 Enabled - LTR Disabled
[ 23.175912] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs'
[ 23.490284] iwlwifi 0000:06:00.0 wlp6s0: renamed from wlan0
[ 24.081862] iwlwifi 0000:06:00.0: L1 Enabled - LTR Disabled
[ 24.086571] iwlwifi 0000:06:00.0: L1 Enabled - LTR Disabled
[ 24.086656] iwlwifi 0000:06:00.0: Radio type=0x1-0x2-0x0
[ 24.198800] iwlwifi 0000:06:00.0: L1 Enabled - LTR Disabled
[ 24.202266] iwlwifi 0000:06:00.0: L1 Enabled - LTR Disabled
[ 24.202350] iwlwifi 0000:06:00.0: Radio type=0x1-0x2-0x0
[ 68.572113] Modules linked in: rfcomm bnep snd_hda_codec_realtek arc4 snd_hda_codec_generic snd_hda_codec_hdmi iwldvm snd_hda_intel coretemp snd_hda_codec mac80211 joydev input_leds btusb uvcvideo btrtl btbcm btintel serio_raw bluetooth snd_seq_midi snd_seq_midi_event videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core videodev snd_hda_core snd_rawmidi iwlwifi snd_hwdep snd_seq snd_pcm snd_seq_device media snd_timer r592 cfg80211 memstick lpc_ich snd mac_hid shpchp soundcore sony_laptop parport_pc ppdev lp parport ip_tables x_tables autofs4 aufs nls_utf8 isofs dm_mirror dm_region_hash dm_log uas usb_storage amdkfd amd_iommu_v2 radeon i2c_algo_bit ttm drm_kms_helper syscopyarea firewire_ohci sysfillrect sysimgblt fb_sys_fops psmouse firewire_core crc_itu_t ahci sdhci_pci libahci sdhciiw list:
Wiphy phy0
max # scan SSIDs: 20
max scan IEs length: 195 bytes
Retry short limit: 7
Retry long limit: 4
Coverage class: 0 (up to 0m)
Device supports RSN-IBSS.
Supported Ciphers:
* WEP40 (00-0f-ac:1)
* WEP104 (00-0f-ac:5)
* TKIP (00-0f-ac:2)
* CCMP (00-0f-ac:4)
* 00-0f-ac:10
* GCMP (00-0f-ac:8)
* 00-0f-ac:9
Available Antennas: TX 0 RX 0
Supported interface modes:
* IBSS
* managed
* monitor
Band 1:
Capabilities: 0x1072
HT20/HT40
Static SM Power Save
RX Greenfield
RX HT20 SGI
RX HT40 SGI
No RX STBC
Max AMSDU length: 3839 bytes
DSSS/CCK HT40
Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
Minimum RX AMPDU time spacing: 4 usec (0x05)
HT RX MCS rate indexes supported: 0-15
TX unequal modulation not supported
HT TX Max spatial streams: 1
HT TX MCS rate indexes supported may differ
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] (15.0 dBm)
* 2417 MHz [2] (15.0 dBm)
* 2422 MHz [3] (15.0 dBm)
* 2427 MHz [4] (15.0 dBm)
* 2432 MHz [5] (15.0 dBm)
* 2437 MHz [6] (15.0 dBm)
* 2442 MHz [7] (15.0 dBm)
* 2447 MHz [8] (15.0 dBm)
* 2452 MHz [9] (15.0 dBm)
* 2457 MHz [10] (15.0 dBm)
* 2462 MHz [11] (15.0 dBm)
* 2467 MHz [12] (15.0 dBm) (no IR)
* 2472 MHz [13] (15.0 dBm) (no IR)
Band 2:
Capabilities: 0x1072
HT20/HT40
Static SM Power Save
RX Greenfield
RX HT20 SGI
RX HT40 SGI
No RX STBC
Max AMSDU length: 3839 bytes
DSSS/CCK HT40
Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
Minimum RX AMPDU time spacing: 4 usec (0x05)
HT RX MCS rate indexes supported: 0-15
TX unequal modulation not supported
HT TX Max spatial streams: 1
HT TX MCS rate indexes supported may differ
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:
* 5180 MHz [36] (13.0 dBm) (no IR)
* 5200 MHz [40] (15.0 dBm) (no IR)
* 5220 MHz [44] (15.0 dBm) (no IR)
* 5240 MHz [48] (15.0 dBm) (no IR)
* 5260 MHz [52] (15.0 dBm) (no IR, radar detection)
DFS state: usable (for 501 sec)
DFS CAC time: 60000 ms
* 5280 MHz [56] (15.0 dBm) (no IR, radar detection)
DFS state: usable (for 501 sec)
DFS CAC time: 60000 ms
* 5300 MHz [60] (15.0 dBm) (no IR, radar detection)
DFS state: usable (for 501 sec)
DFS CAC time: 60000 ms
* 5320 MHz [64] (13.0 dBm) (no IR, radar detection)
DFS state: usable (for 501 sec)
DFS CAC time: 60000 ms
* 5500 MHz [100] (15.0 dBm) (no IR, radar detection)
DFS state: usable (for 501 sec)
DFS CAC time: 60000 ms
* 5520 MHz [104] (15.0 dBm) (no IR, radar detection)
DFS state: usable (for 501 sec)
DFS CAC time: 60000 ms
* 5540 MHz [108] (15.0 dBm) (no IR, radar detection)
DFS state: usable (for 501 sec)
DFS CAC time: 60000 ms
* 5560 MHz [112] (15.0 dBm) (no IR, radar detection)
DFS state: usable (for 501 sec)
DFS CAC time: 60000 ms
* 5580 MHz [116] (15.0 dBm) (no IR, radar detection)
DFS state: usable (for 501 sec)
DFS CAC time: 60000 ms
* 5600 MHz [120] (15.0 dBm) (no IR, radar detection)
DFS state: usable (for 501 sec)
DFS CAC time: 60000 ms
* 5620 MHz [124] (15.0 dBm) (no IR, radar detection)
DFS state: usable (for 501 sec)
DFS CAC time: 60000 ms
* 5640 MHz [128] (15.0 dBm) (no IR, radar detection)
DFS state: usable (for 501 sec)
DFS CAC time: 60000 ms
* 5660 MHz [132] (15.0 dBm) (no IR, radar detection)
DFS state: usable (for 501 sec)
DFS CAC time: 60000 ms
* 5680 MHz [136] (15.0 dBm) (no IR, radar detection)
DFS state: usable (for 501 sec)
DFS CAC time: 60000 ms
* 5700 MHz [140] (15.0 dBm) (no IR, radar detection)
DFS state: usable (for 501 sec)
DFS CAC time: 60000 ms
* 5745 MHz [149] (15.0 dBm) (no IR)
* 5765 MHz [153] (15.0 dBm) (no IR)
* 5785 MHz [157] (15.0 dBm) (no IR)
* 5805 MHz [161] (15.0 dBm) (no IR)
* 5825 MHz [165] (15.0 dBm) (no IR)
Supported commands:
* new_interface
* set_interface
* new_key
* start_ap
* new_station
* new_mpath
* set_mesh_config
* set_bss
* authenticate
* associate
* deauthenticate
* disassociate
* join_ibss
* join_mesh
* set_tx_bitrate_mask
* frame
* frame_wait_cancel
* set_wiphy_netns
* set_channel
* set_wds_peer
* probe_client
* set_noack_map
* register_beacons
* start_p2p_device
* set_mcast_rate
* Unknown command (104)
* connect
* disconnect
Supported TX frame types:
* IBSS: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
* managed: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
* AP: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
* AP/VLAN: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
* mesh point: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
* P2P-client: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
* P2P-GO: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
* P2P-device: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
Supported RX frame types:
* IBSS: 0x40 0xb0 0xc0 0xd0
* managed: 0x40 0xd0
* AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
* AP/VLAN: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
* mesh point: 0xb0 0xc0 0xd0
* P2P-client: 0x40 0xd0
* P2P-GO: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
* P2P-device: 0x40 0xd0
software interface modes (can always be added):
* monitor
interface combinations are not supported
HT Capability overrides:
* MCS: ff ff ff ff ff ff ff ff ff ff
* maximum A-MSDU length
* supported channel width
* short GI for 40 MHz
* max A-MPDU length exponent
* min MPDU start spacing
Device supports TX status socket option.
Device supports HT-IBSS.
Device supports SAE with AUTHENTICATE command
Device supports scan flush.
Device supports per-vif TX power setting
Driver supports full state transitions for AP/GO clients
Driver supports a userspace MPM
Device supports static SMPS
Device supports dynamic SMPSTL;DR, questions:
1. Why is my connection speed so low?
2. Why aren't the agbn capabilities recognized?
Last edited by mitch9654 (2017-01-29 23:45:37)
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