Ubuntu Networking :: Unable To Connect Via Ethernet?
Jun 22, 2011
I had this sticky problem with b43 drivers. Unfortunately, on my Acer Extensa 5620z I'm not even able to connect via ethernet, so I can't download upgrades, driver or whatever. This was initially with 11.04, so I've decided to get back to 10.04, but the problem persists. Then, here we go with details:
networking checked - is enabled.
Ip configuration (I've got static local address) - is ok.
Ifconfig - recognizes eth0.
Iwconfig - recognizes wlan0.
Ping - 100% packet loss, always.
dig - goes on timeout.
netstat -an - doesn't show any connection with external address.
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Dec 5, 2010
I have just installed ubuntu 10.04 using the wubi installer to dual-boot my machine. Under ubuntu, I am not able to connect to the internet or my router. Everything works fine under windows. I have tried to find relevant information in the forums, but nothing seems to work for me. I have tried disabling ipv6, setting a static ip, but no go. ifconfig shows no IP, dhclient results in no DHCP offers and pinging my router's IP results in Network is Unreachable.
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Jul 28, 2011
I have recently installed ubuntu 11.04 on my asus eeepc1005hab. And I've had problems with the wifi. I can connect via ethernet, but the wireless won't connect. I can see the connection, but my wifi never connects. I've tried many things but it still won't work.
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Jun 20, 2010
i'm using redhat enterprise version, i'm facinh problem in wifi. i able to browse internet via ethernet but unable 2 connect via wifi and how to install applications.
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Apr 1, 2011
I have a dual boot netbook (Acer Aspire One D255) with Mint and Ubuntu 10.4. Using Mint, I was able to connect via the ethernet and install all updates including wireless driver.
In Ubuntu 10.4, regardless of what I do, I cannot connect via ethernet cable at home and at work.
How can I locate the right wireless driver? In the past, I have always been able to simply plug in the ethernet cable and get the necessary updates.
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Jul 14, 2010
I have a Toshiba Satellite L645D-S4030 running on Ubuntu 10.04. When I plug an ethernet cable into the ethernet port, simply nothing happens, and when I try to connect to my wireless network, it connects but there is no actual internet available. I'm sure the wireless works as I'm on an older model Toshiba Satellite and it connects fine (running Ubuntu 10.04 as well.) I tried to follow the procedure in the stickied thread, so when I type in these commands, here's what shows up:
Lspci
00:00.0 Host bridge: Advanced Micro Devices [AMD] RS780 Host Bridge Alternate
00:01.0 PCI bridge: Toshiba America Info Systems Device 9602
00:04.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 0)
[code].....
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Oct 22, 2010
I recently moved to a student dorm in my university (RWTH Aachen) and I have an ethernet connection from my room. The thing is that I can't connect to the internet, I don't get any IP through DHCP. I tried using wicd instead of network-manager, and doing it manually with dhclient. None of those worked (actually I don't know much about how networking works so maybe I didn't do it well with dhclient). The weird thing is that Windows 7 gets the IP instantly and I can connect to the internet from windows. But I don't know why Ubuntu refuses to get an IP. Info from lshw, lspci:
lspci
Code:
sudo lspci -vv
02:00.0 Ethernet controller: Marvell Technology Group Ltd. Device 4380 (rev 10)
Subsystem: Sony Corporation Device 905e
[Code].....
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May 6, 2010
I own a D-Link DI-604 wired router and I've started getting some issues after Ubuntu 9.10 to 10.04 upgrade(Ubuntu 9.04 used to work OK!). The problem is that Ubuntu recognizes all my ethernet cards (see below), but I can only connect to the internet through eth1 not eth0 (which is my Windows default). If I try to plug the cable in eth0 nothing happens (at least not in Ubuntu 10.04 and 9.10).
Code:
lucas@lucas-desktop:~$ sudo lshw -C network
[sudo] password for lucas:
*-network:0
description: Ethernet interface
[code].....
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Jun 30, 2010
I cannot connect to my Ubuntu Server. Currently I'm trying via my MacBook through ethernet. A physical connection is apparent; however, the computers cannot communicate. To resolve this problem is important because I just need basic SSH functionality. While connected through ethernet, my MacBook cannot ping my Ubuntu box. Here is a screen shot of the Mac's network setup, a ping attempt, the ifconfig's of both machines.
[Code]...
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Aug 8, 2010
I wanted to test 10.04 and downloaded Wubi to do so. Normal setup, it automatically picked the 64-bit version. After booting into Wubi, installing my ATI drivers and restarting it did no longer connect to my ethernet. A few reboots didn't help so I went back to Windows for troubleshooting.
However now Windows doesn't connect to the ethernet either. It's plain dead, Windows doesn't find any connections and the modem doesn't light the Ethernet cable LED. The modem itself works fine with wireless devices. I have now tried everything including uninstalling Ubuntu, system restore, driver rollback, driver update, BIOS default settings, a different cable, a different modem etc.
This is a 64-bit specific issue because I tested the 32-bit version of Wubi 10.04 a few months ago without problems.
Windows 7 x64
Wubi 10.04 x64
Gigabyte P55-UD3 with onboard Realtek RTL8111D LAN.
I'd like to get out of this without Ubuntu effectively having broken my hardware and my trust in it.
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Aug 17, 2010
My laptop was on windows xp and when I installed ubuntu linux my NIC Card driver was gone (I think) and now I can't connect to the internet using an ethernet. I have the driver on the desktop of my Linux laptop but I don't know how to add it using terminal or any other options.
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Jul 13, 2011
I am using Ubuntu Server version 10.4, and am trying to connect to the internet via an ethernet cable. This may and probably is incredibly simple, however, I could not find anything that pertains to it.
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Mar 4, 2011
Just installed Scientific Linux 6. Does anyone know how to get it to connect to wired ethernet network?
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Feb 15, 2010
My ISP finished some 'upgrades' on its infrastructure. The result is that I am having great difficulty in connecting to the internet.
I have 3 operating systems on my box - XP, Fedora 8 and Feota 12.
I connect using an ethernet card, using dhcp. In fedora 12, the ethernet card is controlled be networkmanager. After the ISP completed their upgrades, I was not able to connect. I tried to connect manually using
Code:
There was an error message -
Code:
I read the advice here: [url], and removed all but the important lines.
But even after that neither ifup eth0 or dhclient eth0 works.
In fedora 8, the ethernet card is activated by ifup eth0 in /etc/rc.local. I was able to connect on a couple of occasions, but that too stopped working. I tried both ifup eth0, dhclient eth0, and tried to use the gui( which fires the dhclient command), but none worked.
When I use windows, it takes about 2 minutes to get an ip (earlier it was immediate). Sometimes that doesnt work and I have to click on "repair" whereupon it starts working.
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Dec 2, 2010
I run Ubuntu 10.04 on a PackardBell laptop, with an Orange Livebox 2 providing ADSL. I am connected to the Livebox via WiFi, but I can't connect using the ethernet cable. I think that in making changes to the system some time ago I must have ruined something, but I can't work out what.
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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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Jul 22, 2010
I have a wireless Internet modem (USB) and a LAN Ethernet connection. I can only pick 1 of them to connect to (by disconnecting the other). How can I connect to both at the same time?
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Feb 13, 2011
When I select the wifi icon on the panel, it just shows "No network devices available". I know my network can be found when I search with my iPhone, so I know there are networks to connect to. So, I checked the drivers, and it informs me that the B43 and STA drivers are not activated. So thats not a big deal, I guess, but when I use my ethernet cord, my laptop doesn't recognize/acknowledge (I'm not sure what the right term would be)it. I'm fairly sure I can't activate these drivers without an internet connection because when I do try, a message pops up saying "failed to fetch" with some long link.
My only guess is that it could be a hardware problem, but I really have no idea. I guess the ethernet problem is my only real problem. Because after I establish and internet connection the the rest is easy to fix.I'm sure its obvious, but I'll go ahead say that I'm a novice ubuntu user. I've only been working with it for about a week, but I'm learning alot.
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Dec 12, 2010
I have 2 LAN ports. one from the motherboard (on board) and the other from a lan card i bought a few days back. one is use for browsing the net, the other for a media player.
problem is i cant connect to both the eth0 and eth1 at the same time. i have to disconnect one of them to connect to the other. and this really gets irritating as it doesnt always work as flawlessly as it should. what am i doing wrong?
Output of "ifconfig":
Quote:
I'm on ubuntu desktop 10.10 64 bit.
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Nov 13, 2010
I've recently bought a recycled computer for my office. The plan was to get an old cheap computer and use it to write LaTex documents but nothing else. However, I can't seem to get the thing to connect to the internet. I'm on a University network which has a funny setup but I don't think that's the problem.So here's the deal. I have tried this with 9.04, 10.04 and 10.10 and it hasn't worked. The computer recognizes the ethernet cable. If I issue the command "sudo mii-tool eth0" and get back "eth0: negotiated 100baseTx-FD, link ok". However, click on the networking logo on the top right, and click auto eth0, it tries to connect for about 30 seconds, then gives up. Unfortunately I'm pretty clueless when it comes to networking so I have no idea what to do to try to fix this.
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Sep 14, 2010
I have a Dell Inspiron 1545 with a Dell Wireless 1397 WLAN Mini-Card and a Marvell Yukon 88e8040 PCI-E Fast Ethernet Controller, and I cannot for the life of me get the internet to connect. I've tried both wired and wireless connection. I have a PPoE connection through a Verizon FIOS Actiontek router I believe, though the PPoE part may be wrong, I had one five years ago when I first got their internet so they may have changed it. Point is that the ethernet and internet won't work, and without a working ethernet I can't fetch the right drivers for anything.
I had also tried plain ubuntu 10.04 and couldn't get them to work then either. It said 'disconnected' at first, and then said 'device not ready' There is no hardware switch but there is a key toggle. It doesn't seem to matter what state the wireless was in before booting into Ubuntu Studio, so I'm lost as to where to even start. Even though the network manager isn't there like in regular ubuntu, I assume there will be a simple way to connect to the internet once the drivers are found, right?
I've seen issues and read about fixing them, but usually it uses an ethernet connection to fix the wifi connection and, being new to linux (<50 hours worth of experience lifetime), all I managed to do trying to fix it myself was screw up the installation to the point where the laptop couldn't access the home folder and I had to reinstall. Other than that, I am usually very good at following instructions, as long as they apply to my laptop's issue I guess
The only other issue is minor, I can't seem to control the USB mouse I have, but the trackpad works fine so it's no big deal, probably a matter of downloading the mouse driver once the internet works.
Currently I do have internet access via the same laptop while booting Windows 7 (I installed Ubuntu Studio 10.04 on a 10GB Partition with the idea of using an external HD for most data storage).
Oh and it is a 64-bit machine, the Studio version I installed is 32-bit.
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Mar 7, 2010
I have a workstation with the two ethernet ports (eth0, eth1), the problem is that i cannot run with both ports up and running. I can run with either one of them, but not both.
Below is the contents of my /etc/network/interfaces file:
Code:
Running on 64 bit Ubuntu 9.10 Desktop
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May 20, 2010
I have just installed a generic PCI ethernet card into a fairly low powered system (Celeron 766MHZ, 512mb Ram, 40 Gb HDD, Generic sound and video). The card came with no drivers. I have since installed Ubuntu 9.10, and up to a point everything is fine and looks great. However when I connect an ethernet cable up to the PCI card (in the hope of connecting with the Internet), nothing happens. I am thinking that I need Ubuntu drivers for the PCI card ? or does Ubuntu 9.10 come with drivers and I need to go into the 'engine room' to sort it all out ?
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Mar 24, 2010
My Eth0 has 3 virtual Ethernet (eth0:1, eth0:2, eth0:3)
Eth0 -> 202.1.1.1
Eth0:1 -> 202.1.1.2
Eth0:2 -> 202.1.1.3
Eth0:3 -> 202.1.1.4
I am unable to ping them (202.1.1.2 - 202.1.1.4) from Client's PC.
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Mar 12, 2010
I have tried the command on ubantu workstation but it giving error : # mii-tools SIOCGMIIPHY on 'eth1' failed: operationsnot support. no MII interface found.
Internet not working. tell me anonymous of kudzu command in fedora.
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Sep 13, 2010
Unable to access our site via eth0. Can access the same site, via same ISP on wireless laptop, or via eth0, but using ip annonymizer service. Have a feel that it could be something obvious, but after digging through Modems firmware I am running out of ideas
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Jun 5, 2011
I am using ubuntu (11.04) here, when i connect Bsnl broadband link(wired connection). Internet is connect automatically But unable to instal, upgrad and access Internet pages ..
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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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Apr 6, 2011
I am trying to setup a dhcp server for my internal network. I have two NICs, a modem, and a wireless router. I have my server connected directly to my modem which is providing me with Internet access on eth1 and is working fine. I have dhcp and dns setup on eth0 which is connected to my router. The router shows that it is connected to the Internet but when the router gives a client computer an IP address, the client is unable to connect to the Internet but can connect to the router. I will post my configuration files below with my current configuration.
[Code]....
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Oct 28, 2010
After reading about Linux I decided to try it on an old HP Pavilion model 6617 desktop running Win 98 - so far with limited success!
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