Ubuntu Networking :: 11.04 Wired Connection Failed?

May 4, 2011

A while ago i attempted to use ubuntu as my default operating system and it failed, i could not get the shares to work properly and i gave up. Yes i know, may be i should have kept going.

Any way, my problem is, Im attempting to use ubuntu 11.04 now, and this time i am realy keen on going through with this, however... for some reason when i connect my wired connection cable ubuntu keeps failing to connect. this is with the auto eth0.

Can any one help me with this problem? This is one of the major things that i will need to do if i want to switch over to ubuntu.

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Ubuntu :: Dell Inspiron 1545 - Works Fine On Wired But Fails On Wireless - Error - Connection Failed: Bad Password

Aug 5, 2011

I have Dell Inspiron 1545. It works fine on wired but fails on wireless.

I am using wicd as an interface.

It always comes up with the following error: Connection Failed: Bad password.

I have checked the passwords in both wicd and the router.

They seem to be the same. Am I missing something ?

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Ubuntu Networking :: Wired Networking - Connection Works But No Internet

Jun 1, 2011

I just installed Ubuntu 11.04 desktop on my desktop in dual boot with Windows 7.

Heres my problem, I am unable to connect to the Internet even though my wired Ethernet connection says it is connected normally. The wierd thing about this is that I also have a wireless card in my desktop and when I connect through that I am able to connect to the Internet. I am connecting to a router that is functioning as a repeater to my main router/cable modem. I have tried to solve this myself but am having no luck. Ironically, earlier today suddenly my ethernet connection worked for a few minutes without me modifying anything.

The output of some terminal commands are below.

Quote:

Quote:

Quote:

However a pint to that ip address (my router) is successful.

Quote:

Hosts.allow and hosts.deny are both fine (not blank but no entries)

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Jan 22, 2010

I have two PCs one has Windows XP the other has Ubuntu 9.10 on it, the Windows PC has no problems getting on the Internet (I'm posting this with it) and getting an IP address from the wired router. The wired router I have is ONLY wired it does not have wireless at all, it is currently setup to hand out IP addresses between 192.168.1.2 and 192.168.1.254.

The Ubunutu 9.10 PC worked great last night surfed all over the place for hours, then finally shut it down last night when I went to bed, shut down appeared to be normal like it always does when it shuts down, then this morning when I booted it up it gave error: "WIRED NETWORK - disconnected you are now offline".

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Mar 15, 2010

I am using ubuntu in my new office, and I can't get the network working. The "official" OS installed was a Windows, and it has a special "dial-up" app for the LAN connection (not wireless). My network admin is apparently not helpful, since he actually knows nothing about the internals for the "dial-up" app (he did not even ever heard of TTLS, PEAP, MD5, etc), and claimed that no OS except for Windows can work...

Well, I have tested various configurations with my Mac laptop, and apparently the LAN connection requires 802.1X authentication, and it's using a very weird combination "TTLS+PEAP+MD5" (if I check these options in Mac OS X, the connection works). However, in NetworkManager, I can't select both TTLS and PEAP, and moreover, TTLS does not work with MD5. So, is there anything I could try?

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Ubuntu Networking :: No Connections Tab - No Wired Connection ?

May 17, 2010

Fresh install of UbuntuStudio 10.04. This is really bizarre.

I can't seem to connect to the wired connection mainly because there is no connections tab (pic attached).

Here's some printouts:

dmesg:

Code:

lshw -C network:

Code:

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Jun 1, 2010

When I unplug the ethernet cable from this laptop and plug into my Ubuntu 9.10 Desktop I get a wired connection automatically but I have no internet connection in Mozilla

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Aug 17, 2010

I've had a computer running Ubuntu connected to my TV for a few weeks now, but as of yesterday, I can't get it to keep a connection to the Internet. Everything works well for an hour or so after a reboot, but then no WAN connections work. When this happens, no sites load in Firefox or Chrome, I can't ping Google, I can't SSH to the box from work, and none of the pages I have running on apache load from remote computers. However, all local area connections seem to work fine. SSH from within my LAN takes much longer than usual, but it does still connect.

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Ubuntu Networking :: Connect Dsl & Wired Connection With NM?

Sep 1, 2010

The situation is I have one machine just installed 10.04yesterday, and I plan to take it as FTP server sharing filesvia LAN and WAN as wellBut after setting up all network withNetwork-Manager found that my dsl connection willdisconnect while my wired connection was connected.

my network-manager setting process is:
1.wired tab:
IPv4:192.168.1.x

[code]....

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Nov 1, 2010

I have a wired problem in Ubuntu 10.10, My Ubuntu can connect with Wireless network, however it cannot connect to Wired Connection. I installed dual System, one is Ubuntu 10.10, the other one is Win7. Under Win7, I can both connect to the Internet in Wired or Wireless mode.

The more wired phenomenon is: When I plug in the cable, I can see the icon connected in my network manager. But I cannot visit any URLs. By checking the "ifconfig -a", I can see the IP addr was assigned to my eth0.

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Ubuntu Networking :: No Wired Network Connection?

Nov 19, 2010

connect to wired LAN in ubuntu 10.04? I think I have specified the IP address and everything correctly. But it says no connectivity. In windows it says connected but I am unable to open any webpage.

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Ubuntu Networking :: Wired Connection Not Working-10.04?

Dec 4, 2010

installed Ubuntu 10.04 on my Dell 1564. My cabled netwo connection is not working.buntu has been dual booted with Windows 7. Internet connection on Windows is working. I have an ADSL modem connected to my laptop via the cable.I have given the details of commands asked to be execute(viewed various posts).

isr@ISR:~$ lspci
00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 12)
00:01.0 PCI bridge: Intel Corporation Core Processor PCI Express x16 Root Port (rev 12)

[code]...

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Ubuntu Networking :: No Wired Connection On New Install

Dec 16, 2010

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Ubuntu Networking :: Wired Connection Not Working

Jan 7, 2011

Running a wired connection through a Linksys router that suddenly stopped working today.I thought this was a ipv6 issue sinced I enabled some of those settings to share a connection with my PS3.I have since disabled IPv6 in Firefox and through the grub. The RealTek adapter will not even show a connection through the network manager when connected.The onboard adapter will show a connection, give me a ip address and MAC but still will not load the internet. I've tried uninstalling and reinstalling both adapters through the network connections, as well as reinstalling Firefox to no avail.I've also tried using Open DNS servers.I cannot ping through the network tools either. Hard for me to paste a ifconfig since I'm on my laptop.I'm running Ubuntu 10.10 (not dual booting).I did some updates this morning but it worked fine for a little while after that, until I tried to connect to my PS3.

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Apr 19, 2011

i got wired connection using Ubuntu 10.10 and im new using ubuntu pls tell me where i must write the words not to write codes and i don't where i must do it.what is the best version of Ubuntu didn't had that problems?as i saw that Ubuntu 10.10 had same problem for all people.

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Ubuntu Networking :: Connect To The Wired Connection Using 10.04

Apr 20, 2011

i can't connect to the wired connection, but i can connect to the wireless... i'm using Ubuntus 10.04. when i run this codes into the terminal it shows:

root@valdivia-laptop:/home/valdivia# sudo lshw -C network
*-network
description: Wireless interface
product: AR9285 Wireless Network Adapter (PCI-Express)
vendor: Atheros Communications Inc.
physical id: 0
bus info: pci@0000:04:00.0
logical name: wlan0
[Code].....

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Ubuntu Networking :: No Wired Or Wireless Connection

May 6, 2011

So I had 11.04 beta and after the official release I updated,rebooted and lost all wifi and wired connectivity.

On an Inspiron 9300
lshw -C network gives
*-network:0 UNCLAIMED

For my Broadcom BCM4401-B0 100Base-TX and *-network:1 DISABLED For my wirless interface Intel PRO/Wireless 2200BG

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Jun 20, 2011

I'm running 11.04 on a Toshiba Satellite L350, and recently (well, for the past couple of weeks or so), I've been unable to connect to my network via a cable, only with wifi.

It isn't that it's unable to connect, it just doesn't show up in Network Manager.

My housemates, who run Windows, have no problems, so it's obviously something on my end...

Edit: I also tried connecting using wicd, but that doesn't detect it either.

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Sep 1, 2011

I recently installed 11.04 on my PC (was running 9.04), and beforehand "tried it out" and networking was fine. I could access the internet no problem.I then ran the install, and fully formatted my HDD (i have 1 HDD for the OS and another for storage)It crashed halfway thorough, so no problem, i just re-formatted the hardrive and installed.However, It didnt connect to the internet, I literally tried every single forum looking for the solution, including editing the Network interface file.After a bit of diggingfound my user privileges did not allow me to connect to ethernet, and randomly use audio devices.SO, no problem I checked the boxes, but it still wont connect to the ethernet now, and it was fine before, tried re-installing twice with full format, but still doesnt work.

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Fedora Networking :: Wired Networking Not Connecting In 12 With Windows Internet Connection Sharing?

Jan 16, 2011

I just want to use Internet Connection Sharing (ICS) to connect to the internet. I have done a massive amount of troubleshooting, but some of it seems to contradict itself, and the only two things that I know for sure are that it used to work, and that my Ethernet cable is not the problem. When I use Terminal utilities like ifup and dhclient it seems that it can not determine IP information, but when I try to put it in manually, the "Apply" button grays out right after I finish typing it in. When I try to connect normally, in KDE or GNOME, the icon acts like it's connecting, then instead of having the connected icon, I receive a notification that "the network has been disconnected", and it goes back to the disconnected icon.

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Jan 3, 2010

It's been a while since i've been trying to deal with this problem but it was useless. I've found many related problems to this, most unsolved and those who had solution wouldn't work for me. I have few mates who have the same problem and still didn't find a solution as well. Here's the problem:

Both on my Desktop and Laptop, the network manager won't recognize that there is a cable pluged on the computer so that it would start my connection. The solution to make it work is pretty simple and its everywhere: use pppoeconf.

Altough that does the trick to make my internet work, i get another problem that i found out to be related to this one, which is: I can't use VPN. Which make me assume that one problem is related to the other, is that on my laptop, which has wireless internet, ubuntu will recognize it and then i can simple use vpn. My desktop, on the other hand, isn't that lucky and does not have wireless, so i can't just use vpn. So far, i've been using vpn on windows when needed, but switching systems is really a pain, not to say i'd rather do that on ubuntu.

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This problem happened on:
First, wubi for ubuntu 9.04
Ubuntu 9.04(normal install.)
Ubuntu 9.10
Happened both on my Desktop and my notebook, but the same version i installed on both of them were used on other computers and they did work on them so i strongly believe it has to do with the os itself.

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Jan 11, 2010

I have the latest version of ubuntu on an HP dv4000 laptop fully updated. wireless worked out of the box. but the wired connection wont start. Problem is with the ubuntu install not the network. But i dont know how to configure it to work.

command: ifconfig
eth0 Link encap:Ethernet HWaddr 00:**:**:**:**:**
inet6 addr: fe80::***:****:***:****/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:8 errors:0 dropped:0 overruns:0 frame:0

[Code].....

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Jan 18, 2010

I recently purchased an Acer Aspire 1410 notebook running Windows 7 home edition. I installed Ubuntu 2.3 and my wireless and network LAN connection is not working. I saw on a link in this forum, someone was having similar problem. However, when i tried the solution that was recommended/suggested to the person, it did not work for me.

what I can do to get my wireless and wired connection to work?

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Jan 30, 2010

I am having a persistent problem with getting a wired network connection under a recent install of Ubuntu 9.10. The network manager will show the wired network as 'disconnected' after a restart. This is true whether I am connected directly to my ISP's modem, or through the Linksys router that I usually use.The output of ifconfig suggests that eth0 is not being assigned an IP address:Code:I have reached the limits of my own ingenuity.

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Jan 31, 2010

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Feb 8, 2010

We finally got internet in our apartment in China, but my husband was the only one home when the guy came to set it up (on his windows machine).

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On the WinXP machine: Connection Properties state that this is a PPPoE connection, with TCP/IP, QoS, and Deterministic Network Enhancer all checked. Under the security tab, unsecured passwords are allowed.

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Apr 11, 2010

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Ubuntu Networking :: Wired Connection Keeps Dropping Out / Resolve It?

May 13, 2010

Two weeks ago I decided to ditch my XP install completely and switch to Ubuntu 10.04. So far so good, and I'm very happy with my decision. However, about 3 days ago, my wired connection started playing up. It keeps dropping out every 2 hours or so between 13.00 and 04.00. After dropping out, it immediately reconnects again (at least when I use Automatically DCHP config). From 04.00 to 13.00 it is more or less stable.

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The daemon.log shows the following information code...

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Jun 2, 2010

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Jul 24, 2010

I have a HP Mini running Ubuntu Desktop 10.04, and I cannot get a wired connection to work. My network card is "Broadcom Corporation BCM4312 802.11b/g (rev 01)", and I have the restricted drivers for the card installed. Wireless works fine, though.

My /etc/network/interfaces:

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