WIFI is connected but Internet is not working

Questions about WIFI networks and devices
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avramaral
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WIFI is connected but Internet is not working

Post by avramaral » Mon Aug 12, 2019 11:25 am

Hi,

That is my first post here, so I hope providing the right amount of information to get some help from you.

I'm currently using Mint 19.2 and my problem is, as stated in the post's subject, that internet is not working on an activated WIFI connection (AVALANCHE2, which is a WIFI network created from a Windows machine in order to share the cabled internet connection).

As suggested by [url=viewtopic.php?t=265087]this[\url] post, these are the connection's status:

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inxi -Fxz

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System:    Host: andre Kernel: 4.15.0-55-generic x86_64 bits: 64 compiler: gcc v: 7.4.0 Desktop: Cinnamon 4.2.3 
           Distro: Linux Mint 19.2 Tina base: Ubuntu 18.04 bionic 
Machine:   Type: Laptop System: SAMSUNG product: 340XAA/350XAA/550XAA v: P03REP serial: <filter> 
           Mobo: SAMSUNG model: NP350XAA-KF3BR v: SGL9883A08-C01-G001-S0001+10.0.17763 serial: <filter> 
           UEFI: American Megatrends v: P03REP.034.181016.ZW date: 10/16/2018 
Battery:   ID-1: BAT1 charge: 9.1 Wh condition: 43.3/43.1 Wh (101%) model: SAMSUNG Electronics SR Real Battery 
           status: Charging 
CPU:       Topology: Dual Core model: Intel Core i3-7020U bits: 64 type: MT MCP arch: Kaby Lake rev: A L2 cache: 3072 KiB 
           flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 18432 
           Speed: 800 MHz min/max: 400/2300 MHz Core speeds (MHz): 1: 800 2: 800 3: 800 4: 800 
Graphics:  Device-1: Intel HD Graphics 620 vendor: Samsung Co driver: i915 v: kernel bus ID: 00:02.0 
           Display: x11 server: X.Org 1.19.6 driver: modesetting unloaded: fbdev,vesa resolution: 1920x1080~60Hz 
           OpenGL: renderer: Mesa DRI Intel HD Graphics 620 (Kaby Lake GT2) v: 4.5 Mesa 19.0.2 direct render: Yes 
Audio:     Device-1: Intel Sunrise Point-LP HD Audio vendor: Samsung Co driver: snd_hda_intel v: kernel bus ID: 00:1f.3 
           Sound Server: ALSA v: k4.15.0-55-generic 
Network:   Device-1: Realtek RTL810xE PCI Express Fast Ethernet vendor: Samsung Co driver: r8169 v: 2.3LK-NAPI port: e000 
           bus ID: 01:00.0 
           IF: enp1s0 state: down mac: <filter> 
           Device-2: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter vendor: Samsung Co driver: ath10k_pci 
           v: kernel port: e000 bus ID: 02:00.0 
           IF: wlp2s0 state: up mac: <filter> 
           Device-3: Atheros type: USB driver: btusb bus ID: 1-5:2 
Drives:    Local Storage: total: 223.58 GiB used: 24.13 GiB (10.8%) 
           ID-1: /dev/sda vendor: SanDisk model: SSD PLUS 240GB size: 223.58 GiB 
Partition: ID-1: / size: 214.81 GiB used: 24.12 GiB (11.2%) fs: ext4 dev: /dev/sda2 
           ID-2: swap-1 size: 3.81 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/sda3 
Sensors:   System Temperatures: cpu: 48.0 C mobo: 48.0 C 
           Fan Speeds (RPM): N/A 
Info:      Processes: 207 Uptime: 46m Memory: 3.77 GiB used: 1.72 GiB (45.7%) Init: systemd runlevel: 5 Compilers: gcc: 7.4.0 
           Shell: bash v: 4.4.20 inxi: 3.0.32 

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rfkill list all

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0: hci0: Bluetooth
	Soft blocked: yes
	Hard blocked: no
1: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no

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iwconfig

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lo        no wireless extensions.

enp1s0    no wireless extensions.

wlp2s0    IEEE 802.11  ESSID:"AVALANCHE2"  
          Mode:Managed  Frequency:2.462 GHz  Access Point: 06:E0:4A:C0:0D:26   
          Bit Rate=1 Mb/s   Tx-Power=20 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          Link Quality=42/70  Signal level=-68 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:56   Missed beacon:0

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inxi -Nn

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Network:   Device-1: Realtek RTL810xE PCI Express Fast Ethernet driver: r8169 
           IF: enp1s0 state: down mac: 98:83:89:f0:16:93 
           Device-2: Qualcomm Atheros QBus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 2232:1080 Silicon Motion 
Bus 001 Device 002: ID 0cf3:e500 Atheros Communications, Inc. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
CA9377 802.11ac Wireless Network Adapter driver: ath10k_pci 
           IF: wlp2s0 state: up mac: 98:83:89:e6:89:62 
           Device-3: Atheros type: USB driver: btusb 

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lsusb

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Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 2232:1080 Silicon Motion 
Bus 001 Device 002: ID 0cf3:e500 Atheros Communications, Inc. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
P.S.: I can get internet connection by using other networks (in different places).

Thanks,
André

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AZgl1500
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Re: WIFI is connected but Internet is not working

Post by AZgl1500 » Mon Aug 12, 2019 4:02 pm

It would be a lot better if you would install a good WiFi router.

windows has a penchant for blocking everything it does not know about to the point you must purposely assign a waiver to allow a device to connect.
the Sharing rules are a mess, I quit trying to make it work.

Netgear has an affordable WiFi router model, $59.00 AC-1000 and is the one I am using, it offers both 2.4g and 5g connections.

https://www.amazon.com/NETGEAR-AC1000-R ... B071J24FNY

It has 4 LAN ports so the Windows PC can be connected thru this router, and that will make everything show up on the wireless network.

avramaral
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Re: WIFI is connected but Internet is not working

Post by avramaral » Mon Aug 12, 2019 4:32 pm

AZgl1500,

That would be an optimal solution, but unfortunately it is not possible. I'm using a Windows computer at the University lab to do such a job.

So, it would be better try to figure something out given the actual scenario.

But thanks for the suggestion.

HAWR
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Re: WIFI is connected but Internet is not working

Post by HAWR » Mon Aug 12, 2019 4:58 pm

Hello avramaral,

from your outputs it can be seen, that the bit rate of your connection is very low. Is there a possibilty to get it higher on the Windows machine? Maybe it is limited there?

You can also try, if the points 2.1, 2.2 or 2.6 can change anything (one after one):

https://easylinuxtipsproject.blogspot.c ... blems.html

It can also be an encryption (security) problem (wpa, wpa2 etc.). With the following command you can see, which one is used and possibly change it manually in your network connection:

First this (no output):

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nmcli device wifi rescan
then (make the terminal window fullsized):

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nmcli device wifi list
This shows you the accessible networks around you. The last point in the lines is SECURITY

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