Ubuntu Networking :: NetworkManager Won't Connect Wired Direct To Cable Modem

Jul 9, 2011

I cannot connect my Dell Inspiron 1300 through the NetworkManager "wired" connection, when I try to go direct to the cable modem. It fails to connect.

If I connect the cable modem to my (linksys WRT54GS) wireless router, and then connect my laptop to a wired port in the router, it connects in seconds, successfully.

This has happened to me 2 other times, when I tried to connect my laptop to a client's cable modem, because my client did not have a wireless router available, in their home.

My wireless works fine. This has me perplexed. I'm using Ubuntu 10.04 LTS and NetworkManager Applet 0.8

I've tried some things to see what is going on, such as "ifconfig" "dhclient" as well as modifying the "Auto eth0" parameters and adding my laptop's MAC address, etc. Results were no fix or solution. I feel like I'm headed down the wrong road. Would someone set me straight? I have a feeling this is simpler than I think.

Do I have to actually reset my own or someone's cable modem to get this to work? I don't want to do that unless there's no other way. Is there? Let me know what commands I can or should run.

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Ubuntu Networking :: Cannot Connect To Direct (hotel) Wired Connections Since Running Ppoeconf

Jul 30, 2010

i'm currently travelling in across Japan and facing difficulties connecting to hotel's ethernet connections under ubuntu 10.0.4- when plugging in the ethernet cable nothing happens- rebooting doesn't change anything either.this wasn't a problem before, and i can connect to hotel's ethernet under windows 7 which i'm currently using to post this, but something doesn't work under ubuntu, which is now my main os.

staying at my inlaw's house for a while, i ran pppoeconf to use their optical fibre connection, which worked, but also seems to be the root of the problems i'm now facing to go online via ethernet elsewhere. it seems like pppoeconf disabled something.

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Ubuntu Installation :: Cannot Seem To Get A Wired Connection Direct From The Modem?

Jun 9, 2010

I have been experiencing extensive networking problems with 10.04 and I was wondering what options there are for downgrading to a different (hopefully more stable) release. I cannot seem to get a wired connection direct from the modem. I don't know if its just me but I feel an operating system that can't do something simple like this (without extensive terminal codes and file edits etc) is not for me. Here are my system specs:

3.06 GHz E6600 Core 2 Duo
MSI G41M4-F (Realtek Ethernet)
500 GB Seagate 7200

I also have a PCI NIC card Intel PWLA8391GTBLK GIGABIT 1PC I just want to connect to the internet in a hassle free manner. Is there a release of ubuntu that I can "downgrade" to that will make networking hassle free? I have previously used 8.04 on a different machine with no problems. Is downgrading from 10.04 trivial? I currently do not have any important files as this is a new build and file backup is not an issue. Is there anything I should keep in mind or be aware of before downgrading?

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Ubuntu Networking :: Ethernet Cable Modem Can't Connect To Internet

May 4, 2011

I am using a cable modem wired to my PC via ethernet. My ISP is Road Runner, through Time Warner Cable.

I entered my IP address, Netmask, and DNS Servers into the network, not using DHCP. This was how I was able to achieve a network connection.

I am connected to the modem, but I cannot get internet.

Here are my stats:

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Ubuntu Networking :: Cable Modem Networking - Can't Connect To Each Other On The Home Network

Feb 14, 2010

I just got connected to Charter Cable Internet service a few days ago and I'm having a weird problem with my home network. Prior to this my network worked fine. On my network I have a desktop running Ubuntu 9.10/64 and Virtualbox with WinXP installed, an HTPC with Ubuntu 9.10/32 installed and a laptop dual booted with Ubuntu 9.10/32 and WinXP. The desktop and HTPC are hard wired to a wireless router and the laptop is wireless. The cable modem is hard wired to the router. I have samba installed and UFW is disabled. The problem is: with the cable modem turned off or on standby, all machines connect to each other and can transfer files, etc just fine but when I activate the cable modem all of the machines can connect to the Internet but the machines running Ubuntu can't connect to each other on the home network. If I boot the laptop into Windows, it can connect to the Linux machines just fine but if I boot it into Linux, it won't connect to the Linux machines but it can connect to the Internet and as far as the desktop, Ubuntu won't connect to the network but Windows running in the Virtualbox with bridged networking can connect to all of the machines.

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Networking :: Connect Nokia E51's Modem - Via. Data Cable - To Access GPRS

Jan 17, 2010

I have fedora 12 installed in my laptop. Can anyone plz tell me how to connect nokia E51's modem ( via. Data Cable) to access GPRS !

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Networking :: Connect Nokia Seimens C2110 ADSL Modem Through USB Cable In Fedora 11

Sep 19, 2009

My broadband internet connection came with a Nokia-Seimens C2110 Adsl modem. Please help me connect the modem through USB cable as the ethernet card is used to connect my computer(Asus- P5RD2 VM motherboard) to a different computer on LAN. I am in a fix and have no clue how to proceed.

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Networking :: Wired DSL (modem Only) And Need To Manually Connect - TK-PPPOE

Jan 11, 2009

I have been dist hunting ever since I bought my new desktop in Sept 08. some live cd or even install cd work or don't-- but I have learned some workarounds i.e. pci=nomsi at boot for example. Problem I have now is I have wired DSL (modem only) and need to manually connect. I can install tkpppoe running ./go-gui command but everytime I do I can send out packets but not ever recieving (correct me if I have this backwards). in other words activity is showing upload but not on downloads and can't ping either ip or domain or browse. been trying to find out what's going on I think it may have to do with the eth0 should not pull up an IP at boot which seems to be 192.147.x.x or like that according to ifconfig -a Otherwords, when I covert my modem to a router every is fine but manually connecting with PPPoE software that's another story. I would go with the router mode but the Westell model I currently have sucks with it's firewall. I usually go with a software based firewall. call me old skool lol. Need some advice.. I miss my journey with linux Even though I have Vista Premium solid as a rock--- I miss the special customizations only nix can provide and better security.

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Fedora Networking :: Connect To Internet When Using Wired Connection From Modem?

Jul 3, 2011

newly installed fedora 15 is not able to connect to internet i have broadband connection with wireless modem my laptop is connecting to wireless modem network. but i am not able to configure pppoe connection on it PS: i am able to connect to internet when using wired connection from modem

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Ubuntu Networking :: Direct Connection With A Cross Over Cable?

Jan 10, 2010

I've got a Laptop with wireless broadband connection which needs to be connected to a desktop machine so that the internet connection could be shared. Both has got Ubuntu 9.1. I don't have a router or a switch. I just need direct connection with a cross over cable.

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Ubuntu :: Wired Internet - Can't Connect To Modem

Aug 28, 2010

I have wired internet, but I can't connect to my modem. I have cable internet (Comcast) but my computer can't detect it. I do not know what do to. Tried a whole bunch a things, but I'm a novice, (Ubuntu 10.something I tried to call but they say everything was okay and I keep telling the Comcast lady I had Ubuntu, but apparently she insisted I had Windows. I thought they were not very smart, so I gave up on them.

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OpenSUSE Install :: Broke Gnome In 11.2 - Connect To The Internet Via Networkmanager And Couldn't Get Wifi Or Wired To Work

Apr 27, 2010

I was having a problem with cairo dock, asked on the board how to resolve was told to reinstall the visual driver for my monitor since I have an ati vid card since with the updated kernal u have to reinstall those drivers(didn't know that, I'm new to opensuse). I thought I did that before so I completely uninstalled it so I could then do a fresh reinstall but I wasn't paying attention and my laptop was unplugged for a while. I stepped away while the install was going on and my laptop died.

I tried plugging it in but had to restart my laptop when I did I got the command line rows and when I tried to start GDM it wouldn't start, I did so as SU. Attempted to connect to the internet via networkmanager and couldn't get wifi or wired to work. Anyway I can access my desktop visually just so I can start yast and install the driver or will I have to reinstall 11.2 or use the cd to repair? If so how do I use the cd to repair?

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Ubuntu Networking :: Sharing A Cable Modem ?

Apr 26, 2010

Linux box could act as a router? I have one machine running ubuntu, another running windows 7, a cable modem and a switch. Is it posible to share the connection between both computers by making the linux box a "router"?

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Ubuntu Networking :: Connecting Through A Cable Modem?

Jun 23, 2010

I am using ububntu 9.10,and have a cable modem internet connection. All I have is an ethernet cable given to me,and when plugged in a windows machine and fire a browser am redirected to default login page where i can login, but when i plug it into my linux machine,i cant get the same done. In network connections it doesnt shows my autoeth0, i have deleted my existing dsl settings(not autoeth0),made a new wired network,i doubt what should i put into MAC addrs field(i have put my machines mac given by lshw -c network.) What should I put in DHCP client id? Anyways when i click on network connections it says under my wired connections-device not configured properly.

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Ubuntu Networking :: ZModem Link Over Null Modem Cable ?

Mar 28, 2011

I am writing a simple script which will transmit files over a serial connection. I have simplified the setup to test the solution, so the final configuration will be a bit more complicated.

Current setup:
1. 2 RS232 com ports connected with a null modem in between.
2. Open minicom on both
3. Put in 19200,8,N,1 as parameters
4. Open text travels both ways
5. Files sent over Zmodem transfer well.

Both serial adapters are USB, but I tried it also with real com ports, and same story. For simplicity, I will call one adapter "receiving" and the other "sending" to signify from which side I want to send the files through zmodem.

Then I close minicom on the "sending" site without reseting the port (I have also tried setting everything up with stty)

On sending site:


I tried googling but no solution helps. Please do not try to suggest to use minicom on both sides, because this is going to be an unattended process in the end.

How to transfer a file with zmodem using rz and sz without minicom.

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Networking :: Ubuntu Picks Up Cable Modem - Puppy Doesn't

Jan 3, 2010

Ubuntu and Xubuntu read my Motorola Surfboard SBV5120 cable modem via USB "out of the box"; Puppy LInux doesn't. The computer I've run them on doesn't support ethernet, so it has to be via USB. what can I do to get Puppy online?

Computer: Systemax
Processor: AMD athlon
Memory: 189 Mb
Hard drive: 40 Gb

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Networking :: NetworkManager Doesn't Detect GSM Modem

May 9, 2009

I can connect to the internet using wvdial but NetworkManager is a no-no. Here is some information that's relevant:


# lsusb | fgrep Huawei
Bus 001 Device 010: ID 12d1:1003 Huawei Technologies Co., Ltd. E220 HSDPA Modem / E270 HSDPA/HSUPA Modem


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Networking :: NetworkManager Not Reliably Starting Interface Directly Wired Between Two Computers?

Jun 22, 2011

I have two computers that have a direct ethernet wire between them. The interface is set to a static ip address on each side, and under control of the NetworkManager.

About 1/10 the time the interface does not start. The messages log file will show:

Jun 22 13:01:22 owl10 NetworkManager[601]: <info> (p6p1): carrier is OFF
Jun 22 13:01:22 owl10 NetworkManager[601]: <info> (p6p1): new Ethernet device (driver: 'r8169' ifindex: 2)
Jun 22 13:01:22 owl10 NetworkManager[601]: <info> (p6p1): exported as /org/freedesktop/NetworkManager/Devices/0


So, I imagine there is a race condition where both boxes wait for the other to start the interface.

My question: Is there anyway to force NetworkManager to bring up an interface even if there is no Carrier?

BTW, this problem started recently on Fedora 13 after some upgrades. We upgraded to the latest Fedora 15 to try and solve it, and it now appears more often than it did on Fedora 13.

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Ubuntu Multimedia :: Get VGA Card To Support Direct Tv Out Through A Rca Cable?

May 28, 2011

I just purchased a "VGA Adapter to TV S-Video RCA Out Cable for PC Video" but it isn't working. How do i get my VGA card to support direct tv out through a RCA cable?

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Ubuntu Networking :: Connecting To The Internet Through A Lynksys Wireless G Router And A Cable Modem?

Aug 6, 2010

i'm having problems connecting to the internet unless i manually enter the IP info.

automatic DHCP does not work. I'm on a dual boot machine vista/ubuntu 10.04 LTS connecting to the internet through a lynksys wireless g router and a cable modem.

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Networking :: Cable Modem - Losing Connection - Resolved By DHCP Request

Dec 12, 2010

Running 2.6.29-gentoo-r1 on a Sun Ultrasparc 10 with a Sun Happy Meal on eth0 connected directly to my cable modem. Intermittently, with a frequency between a few hours and a few days, I lose internet connectivity. Running ifconfig eth0 indicates all is well and I have a valid IP address but I cannot even ping the cable modem's management address; pings to and eth0's IP address do get a reply but no other address I've tried does. I can 'fix' the problem by issuing


If I check the CM logs, it appears that it has rebooted itself prior to the loss of connectivity. The strange thing is that the incoming traffic doesn't seem to be affected by this, my PSAD log is full of incoming scans even during the periods when I can't connect to the net. I suspect this is an ISP problem (they own the CM);

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Networking :: Cable Modem Connection Fails - Static Route Disappears

Jan 24, 2011

Running Gentoo with kernel 2.6.29 on a Sparc Ultra 10. I'm having problems with my cable modem connection failing, so I've added a static route that enables me to log into the modem's diagnostics page at when the connection drops; my /etc/conf.d/net looks like this (with the comment lines removed).

config_eth1=(" netmask broadcast")
" via"
) dhcpcd_eth0="-N"

This works but after a period of several hours to several days, this static route disappears from the routing table.

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Ubuntu Networking :: Huawei E1552 Modem To Connect To The Internet, Everything Was Going Well When Suddenly Modem Stopped Working?

Feb 8, 2010

i'm running Kubuntu karmic and i've been using a 3G Huawei E1552 modem to connect to the internet, everything was going well when suddenly my modem stopped working. I've tried reconfiguring everything, i even reinstalled kubuntu from scratch with no success.Here's a part of my /var/log/debug

HTML Code:
Feb 8 17:14:01 alberto-laptop kernel: [ 1532.099883] usb-storage: device found at 7
Feb 8 17:14:01 alberto-laptop kernel: [ 1532.099888] usb-storage: waiting for device to


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Ubuntu Networking :: Installing Mobile Broadband - Froze Completely - Networkmanager Refused To See The Modem

Mar 8, 2010

I am trying to switch to mobile broadband, Ubuntu 9.10, Huawei E1750 modem, provider Telia Sweden. So far I tried this:

(previous: tried to get started with an Option Icon 550 modem, but could not do it. Ubuntu froze completely, networkmanager refused to see the modem after this. Read somewhere that it is (next to) impossible with Ubuntu, but Huawei is a better chance. Maybe I changed some settings on the way, went and got a Huawei)

-connected modem, nothing happened

-rebooted to Windows Vista, installed modem

-rebooted to Ubuntu networkmanager sees the modem, when I select it, it gives a message 'GSM network, disconnected'

Also: Ububtu sees the usb stick as a folder

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Ubuntu Networking :: Crossover Direct Connect To Windows 7 Pc?

Apr 8, 2010

Ive just installed ubuntu on a small nettop type pc. It can connect to the internet but I want a direct network connection thru gigabit LAN using a crossover (apparently a straight cable would have been sufficient). Anyway, I have no idea where to begin. The network connection manager in Ubuntu shows Autoeth1 which is right and, if I manually set the IPv4 I can get the PCs to somehow see each other and the 7 pc to give a 'network access only' but that's it.

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Ubuntu Networking :: Unable To Connect To Wireless But Can Connect To Wired

Nov 2, 2010

I am unable to connect to wireless network in ubuntu 10.10.i have noticed that the iwlagn driver isnt been used by anything.

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Ubuntu Networking :: Cannot Connect To Wired And Wireless In 10.10 It Tries To Connect But Fails?

Jan 10, 2011

in linux world and have recently downloaded and installed ubuntu desktop 10.10i cannot connect to both wired and wireless ethernet on my laptopit tries to connect but fails in 30 seconds , it says"disconnected" while i am able to connect to the same in windows i have broadcom 4315 and i have tried both fwcutter and ndiswrapper but the problem persiststhe device id is 14e4:4315

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Ubuntu Networking :: Cannot Connect To Internet With Cable

May 1, 2010

I'm having trouble connecting to the internet... I'm using Ubuntu 10.04 on a PC with Windows XP installed. When I click the little network icon at the top there's an option called "auto eth1" but when I click it, it just says
"Wired Connection: Disconnected - you are now offline."

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Networking :: Connect Two Pc By Cross Cable In Ubuntu?

Dec 21, 2010

How can connect two PCs that both of them have ubuntu by cross cable?

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Ubuntu Networking :: NetworkManager Can't Connect After Disconnect / Why Is So?

Jan 18, 2011

I've simple PPTP connection in NetworkManager that is build in with ubuntu, once I disconnect the connection [to change IP or so] the connection won't establish again...

I'm getting a libnotify popup that says "Connection failed because timeout"

I'm getting a good IP, I just can't connect again after 1 disconnect...
Any idea why?

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