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#1 2018-01-01 02:37:50

ptkato
Member
Registered: 2016-04-05
Posts: 25
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Network connection dropping intermitently

My wired connection keeps dropping out every 4 minutes or so for 30~60 seconds each time. It's an old problem and happened through computers, my laptop (on wired) and desktop both have this problem. At first I thought about my router, but I booted Windows and it didn't happen there. Another thing to note is that both devices have Realtek controllers.

I'd like to get rid of this problem because it's kinda annoying. I've been observing how the applications behave when those drop outs happen and I did notice that, for example, while on Twitch, the stream playback stops, but chat receives and send messages just fine, another thing, a download on Steam also stills fine, but if I try to open a webpage, it simply doesn't until the connection "gets back up".

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#2 2018-01-01 03:24:54

jasonwryan
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From: .nz
Registered: 2009-05-09
Posts: 26,221
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Re: Network connection dropping intermitently

What card? What driver? How do you manage your network? What is in the journal?


Arch + dwm   •   Mercurial repos  •   Github

Registered Linux User #482438

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#3 2018-02-14 19:20:00

ptkato
Member
Registered: 2016-04-05
Posts: 25
Website

Re: Network connection dropping intermitently

I had an usb wifi dongle connected that were messing the connection. After I got rid of it, the symptoms changed, now no packages get through and it seems that the drops are more random.

I have a Realtek RTL8111/8168/8411, driver r8169, I'm using NetworkManager. What should I look for in the journal?

Last edited by ptkato (2018-02-14 23:10:40)

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#4 2018-03-04 19:53:26

ptkato
Member
Registered: 2016-04-05
Posts: 25
Website

Re: Network connection dropping intermitently

I watch Twitch a lot and when I play some online game at the same time, it almost feels that the connection drops only because it's using "too much internet".

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#5 2018-03-04 20:04:16

loqs
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Registered: 2014-03-06
Posts: 6,386

Re: Network connection dropping intermitently

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#6 2018-03-05 03:17:24

ptkato
Member
Registered: 2016-04-05
Posts: 25
Website

Re: Network connection dropping intermitently

I believe it worked.

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#7 2018-03-09 01:19:27

ptkato
Member
Registered: 2016-04-05
Posts: 25
Website

Re: Network connection dropping intermitently

Nope, it's back, even with the r8168 driver. It's more stable, but stills.

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#8 2018-03-15 23:56:06

ptkato
Member
Registered: 2016-04-05
Posts: 25
Website

Re: Network connection dropping intermitently

Any tips? It's getting worse everytime.

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#9 2018-03-23 00:06:32

ptkato
Member
Registered: 2016-04-05
Posts: 25
Website

Re: Network connection dropping intermitently

I took a look at the journalctl with
# journalctl -u NetworkManager.service
and got just a bunch of

Mar 22 20:53:18 ptkato-desktop NetworkManager[489]: <info>  [1521762798.7355] dhcp6 (enp30s0):   address 2804:14d:8e86:445f:127b:44ff:fe50:3953/128 lft 60sec pref 30sec lifetime 28478-28478[30,60] src dhcp
Mar 22 20:53:18 ptkato-desktop NetworkManager[489]: <info>  [1521762798.7355] dhcp6 (enp30s0):   nameserver 2804:14d:8e12:672:187:22:0:15
Mar 22 20:53:18 ptkato-desktop NetworkManager[489]: <info>  [1521762798.7355] dhcp6 (enp30s0):   nameserver 2804:14d:8e11:672:187:22:0:16
Mar 22 20:53:18 ptkato-desktop NetworkManager[489]: <info>  [1521762798.7355] dhcp6 (enp30s0): state changed bound -> bound
Mar 22 20:53:33 ptkato-desktop NetworkManager[489]: <info>  [1521762813.8425] dhcp6 (enp30s0):   address 2804:14d:8e86:445f:127b:44ff:fe50:3953/128 lft 60sec pref 30sec lifetime 28493-28493[30,60] src dhcp
Mar 22 20:53:33 ptkato-desktop NetworkManager[489]: <info>  [1521762813.8426] dhcp6 (enp30s0):   nameserver 2804:14d:8e12:672:187:22:0:15
Mar 22 20:53:33 ptkato-desktop NetworkManager[489]: <info>  [1521762813.8426] dhcp6 (enp30s0):   nameserver 2804:14d:8e11:672:187:22:0:16
Mar 22 20:53:33 ptkato-desktop NetworkManager[489]: <info>  [1521762813.8426] dhcp6 (enp30s0): state changed bound -> bound

It persists.

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