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Old 09-30-2012, 08:34 AM
Serkan KURT
 
Default internet connection is disconnected very often

Hello

In my Debian Wheezy System, internet connection is disconnected very often. In the meantime, I cannot reach modem interface. In Network manager, the connection seems to have. I can access to internet when disconnect and reconnect it to the Network Manager. The situation is the same in both wired and wireless. Please help.

The output of lspci;

06:00.0 Network controller: Intel Corporation PRO / Wireless 4965 AG or AGN [Kedron] Network Connection (rev 61)
08:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5787M Gigabit Ethernet PCI Express (rev 02)

Network Manager Network Interface status;

Type: Wired Ethernet
Connection State: Connected
IP Address: 192.168.1.34
Connection Speed​​: 10 Mbit / s
System Name: eth0
MAC Address: ****
Driver: tg3
 
Old 09-30-2012, 07:25 PM
Atıf CEYLAN
 
Default internet connection is disconnected very often

Hi,

Sometimes I encounter with the same problem. I think your problem reason is your modem. If you use a network device with broadcom chipset, your problem reason is that. I have 3 modems** (cisco linksys, airties and current docsis3.0 cable modem and all of them include broadcom chipset network devices) and 3 computers (two debians one winXP).* Sometimes I can connect to modem from Debians* but can not be data transfer between my computer and the modem. I get some dhcp error in syslog. I think there is a problem only between linux+broadcom client and with broadcom chipset modems.



On Sun, 2012-09-30 at 01:34 -0700, Serkan KURT wrote:





Hello



In my Debian Wheezy System, internet connection is disconnected very often. In the meantime, I cannot reach modem interface. In Network manager, the connection seems to have. I can access to internet when disconnect and reconnect it to the Network Manager. The situation is the same in both wired and wireless. Please help.



The output of lspci;



06:00.0 Network controller: Intel Corporation PRO / Wireless 4965 AG or AGN [Kedron] Network Connection (rev 61)

08:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5787M Gigabit Ethernet PCI Express (rev 02)



Network Manager Network Interface status;



Type: Wired Ethernet

Connection State: Connected

IP Address: 192.168.1.34

Connection Speed​​: 10 Mbit / s

System Name: eth0

MAC Address: ****

Driver: tg3









--

M.Atıf CEYLAN

Yurdum Yazılım
 
Old 09-30-2012, 07:48 PM
Serkan KURT
 
Default internet connection is disconnected very often

But have the same problem with the wireless connection. And there is no problem with windows.

--- On Sun, 9/30/12, Atıf CEYLAN <mehmet@atifceylan.com> wrote:

From: Atıf CEYLAN <mehmet@atifceylan.com>
Subject: Re: internet connection is disconnected very often
To: "Serkan KURT" <ssserkkk@yahoo.com>
Cc: debian-user@lists.debian.org
Date: Sunday, September 30, 2012, 10:25 PM








Hi,

Sometimes I encounter with the same problem. I think your problem reason is your modem. If you use a network device with broadcom chipset, your problem reason is that. I have 3 modems** (cisco linksys, airties and current docsis3.0 cable modem and all of them include broadcom chipset network devices) and 3 computers (two debians one winXP).* Sometimes I can connect to modem from Debians* but can not be data transfer between my computer and the modem. I get some dhcp error in syslog. I think there is a problem only between linux+broadcom client and with broadcom chipset modems.



On Sun, 2012-09-30 at 01:34 -0700, Serkan KURT wrote:





Hello



In my Debian Wheezy System, internet connection is disconnected very often. In the meantime, I cannot reach modem interface. In Network manager, the connection seems to have. I can access to internet when disconnect and reconnect it to the Network Manager. The situation is the same in both wired and wireless. Please help.



The output of lspci;



06:00.0 Network controller: Intel Corporation PRO / Wireless 4965 AG or AGN [Kedron] Network Connection (rev 61)

08:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5787M Gigabit Ethernet PCI Express (rev 02)



Network Manager Network Interface status;



Type: Wired Ethernet

Connection State: Connected

IP Address: 192.168.1.34

Connection Speed​​: 10 Mbit / s

System Name: eth0

MAC Address: ****

Driver: tg3









--

M.Atıf CEYLAN

Yurdum Yazılım
 
Old 09-30-2012, 08:01 PM
Kent West
 
Default internet connection is disconnected very often

On Sun, 2012-09-30 at 01:34 -0700, Serkan KURT wrote:

In my Debian Wheezy System, internet connection is disconnected very
often. In the meantime, I cannot reach modem interface. In Network
manager, the connection seems to have. I can access to internet when
disconnect and reconnect it to the Network Manager. The situation is
the same in both wired and wireless. Please help.


The output of lspci;

06:00.0 Network controller: Intel Corporation PRO / Wireless 4965 AG
or AGN [Kedron] Network Connection (rev 61)
08:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5787M
Gigabit Ethernet PCI Express (rev 02)


Network Manager Network Interface status;

Type: Wired Ethernet
Connection State: Connected
IP Address: 192.168.1.34
Connection Speed​​: 10 Mbit / s
System Name: eth0
MAC Address: ****
Driver: tg3


Some few years ago I saw similar behavior. It coincided with the change
in /etc/networking/interfaces from "auto <interface" to "allow-hotplug
<interface>". I edited the file back to "auto", and that solved my
problem. I'm not sure that would work now, as I think the
/etc/networking/interfaces is deprecated.


/Kent


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