Big problem with my internet connection

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Big problem with my internet connection

Postby Hélène » 2017-02-21 16:33

Hi,

I have a big problem with my internet connection (WiFi). The connection is very slow and sometimes the loading can take several minutes or even the page doesn't appear. The downloading is very slow too (a maximum of 200 kb!!).
The updates are slow too.
I checked my connection- information about the network connection. : Speed: 144mb/s

Thanks in advance. :wink:
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Re: Big problem with my internet connection

Postby stevepusser » 2017-02-21 17:58

Since this is a hardware problem, maybe some information about your wireless device would be relevant, ehh?

Install inxi and tell us what

Code: Select all
inxi -Nx


tells us what you have.
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Re: Big problem with my internet connection

Postby dasein » 2017-02-21 17:59

Worth ruling out IPv6 as the source of the problem.
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Re: Big problem with my internet connection

Postby phenest » 2017-02-21 20:16

I'm guessing with that sort of speed you're on fibre optic. How are you connected to the router? Cable or wireless?

Do you have any other devices connected through the same router? If so, are they affected in the same way?

EDIT: I just noticed you're on wireless. What happens if you use a cable?
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Re: Big problem with my internet connection

Postby Bulkley » 2017-02-21 21:34

Browser problems that can cause slow downloads can include conflicts with various add-ons and extensions. Try disabling all of them. If speed improves, re-enable and test one at a time. Another easy test is to re-name the browser's user config; for example change ~/.mozilla to ~/.mozilla.bak. Restart the browser and test. Try another browser.

Try turning off your firewall. Try turning off the firewall in the router/modem.

BTW, the best speed test I have found is SpeedOf.Me. It does not use Flash.

Check with your neighbours to see if they have similar problems. We had a terrible time with Internet when a construction gang tore up the road nearby.
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Re: Big problem with my internet connection

Postby Hélène » 2017-02-23 16:14

Hi,

Thanks all of you.
I hope I answer to all your questions.

Code: Select all
inxi -Nx
Network:   Card-1: Realtek RTL8192SE Wireless LAN Controller
           driver: rtl8192se port: 3000 bus-ID: 06:00.0
           Card-2: Qualcomm Atheros AR8152 v2.0 Fast Ethernet
           driver: atl1c v: 1.0.1.1-NAPI port: 2000 bus-ID: 07:00.0



I have already disabled ipv6 like this:

Code: Select all
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.all.autoconf = 0
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.default.autoconf = 0
net.ipv6.conf.lo.disable_ipv6 = 1
net.ipv6.conf.eth0.disable_ipv6 = 1



I have another laptop connected through my router and I have no problem. This laptop is under Ubuntu.
It's not only a problew with Firefox, the internet connexion is slow for updates too!!
The neighbours don't have the similar problem.
I re-named ~/.mozilla to ~/.mozilla.bak and all addons were deleted. I reinstalled all of them and firefox seems working better. But the updates are still slow (140 to 250 kbs/s).


This is the result of the speedof test:

DEBIAN
Download Speed: 3.35 Mbps to 7.54 Mbps (very rarely)
Upload Speed: 520 Kbps to 1.14Mbps

UBUNTU
Download Speed: 14 Mbps
Upload Speed: 2.66 Mbps



I haven't yet had time to turn off my firewall or to try another browser. I'll do it tomorrow but I don't think the problem comes from the firewall because I have the same one under Ubuntu and I have no problem.

Thanks in advance.
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Re: Big problem with my internet connection

Postby phenest » 2017-02-23 16:19

Hélène wrote:This laptop is under Ubuntu.

Shouldn't you be asking on the Ubuntu forums? This forum is for Debian.
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Re: Big problem with my internet connection

Postby Hélène » 2017-02-23 17:28

No because I have no problem with Ubuntu.
My internet connection is bad under Debian.
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Re: Big problem with my internet connection

Postby sunrat » 2017-02-24 23:00

Do you have firmware-realtek installed?
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Re: Big problem with my internet connection

Postby hesse » 2017-02-25 09:33

hello! I too the same problem with wifi with debian jessie. The Wifi sometimes it is
fast and sometimes not even charging an internet page. Only with debian I have this problem.
I installed the firmware-realtek. My wireless device is:
Code: Select all
# inxi -Nx
Network:   Card-1: Qualcomm Atheros AR242x / AR542x Wireless Network Adapter (PCI-Express)
           driver: ath5k bus-ID: 02:00.0                                                                 
           Card-2: Silicon Integrated Systems [SiS] 191 Gigabit Ethernet Adapter                         
           driver: sis190 v: 1.4 port: dc00 bus-ID: 00:04.0 
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Re: Big problem with my internet connection

Postby sunrat » 2017-02-25 12:24

@hesse you should start a new thread. Different hardware, different solution. firmware-realtek is for Realtek cards and you have Atheros card. There is a firmware-atheros but it is not needed for ath5k cards.
“ computer users can be divided into 2 categories:
Those who have lost data
...and those who have not lost data YET ”
Remember to BACKUP!
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Re: Big problem with my internet connection

Postby Hélène » 2017-02-25 16:03

Hi,

The Wifi sometimes it is
fast and sometimes not even charging an internet page. Only with debian I have this problem.

Me too!

Yes I have firmware-realtek installed (firmware-realtek 0.43). Need I install another?

Thanks in advance.


Ps: Today I can't install anything. The connection is too slow (7158B/s!!!)
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Re: Big problem with my internet connection

Postby Hélène » 2017-02-26 18:10

Hello,

Might the problem come from my wireless network manager? Need I install Wicd? What do you think?

Does it have another firmware-realtek RTL8192SE?
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Re: Big problem with my internet connection

Postby sunrat » 2017-02-26 21:53

firmware-realtek 0.43 does have firmware for your card so probably not the issue. You can search packages at https://packages.debian.org . https://packages.debian.org/search?suit ... re-realtek
I'm no network wiz but there are many threads about network problems here, maybe a search will help.
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Those who have lost data
...and those who have not lost data YET ”
Remember to BACKUP!
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Re: Big problem with my internet connection

Postby Bulkley » 2017-02-27 00:05

Hélène, are you using Gnome? I recall seeing an association between Gmome and slow downloads just because of loading.

I am assuming that something is using too much resources to the point that it is bogging down. Try opening a term and entering top. Open your browser and do what you normally do; while doing that keep refreshing top. You might see what is sucking up resources. You might consider setting up Conky which makes it easier.

As to your question about Network-Manager, my instinct says no but maybe. Network-Manager can be a beautiful tool or your worst headache. What I would do to test it is to disable it and add a few lines into /etc/network/interfaces like this:

Code: Select all
auto wlan0
iface wlan0 inet dhcp
wpa-ssid "my SSID"
wpa-psk "my password"

You can see here what I'm talking about: https://wiki.debian.org/WiFi/HowToUse#wpa_supplicant

Post here if that helps; I have something better than NM or Wicd.
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