Ubuntu Networking :: 9.04 Recognizes Ethernet Card But Won't Connect
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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Dec 4, 2010
Just installed Fedora 14 from the Live CD i686 on my Dell Inspiron 1521. I can't connect to the SpeedTouch 585 on either wireless broadcom card or the wired Ethernet card.
I can connect to it from the same Laptop on the Vista which is on dual boot on the same laptop.
Further confusing is that I ran Fedora 14 and connected to another SpeedTouch today.
Already checked the Channel on the wireless nic and it's on the same one as the SpeedTouch.
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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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Sep 13, 2010
I've installed from the CD the Centos version 5.5. When I try to connect to Internet I can't because I received some errors. I've the Intel Corporation 82801CAM (ICH3) PRO/100 VE (LOM) Ethernet Controller also a wireless slot (I've the wireless card DWL-G650+) When I turn on the pc and I go to "Ethernet Device", I see set: peth0 (Intel Corporation 82801CAM (ICH3) PRO/100 VE (LOM) ETHERNET CONTROLLER) and also set "Bind to MAC address": fe:ff:ff:ff:ff:ff I've set manually the IP address (I'm under router). Status is "Active" but can't go on the Net. When I change to "eth0 (Intel EtherExpress/100 driver)...sometimes become "Active" an other times said that the MAC address is different or to check the cable because can't find the IP. What can I do?
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Apr 7, 2011
there are two computer
wireless internet accessible notebook.
desktop with no wireless card (but just normal lan card).
I connect two computer with lan cable, and I want to use internet in desktop computer through the notebook's wireless lan
what kind of setting do I have to do?
desktop's OS is Ubuntu, and notebook's one are Ubuntu, Windows XP.
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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 6, 2010
I'm trying to set up a shared Internet connection that had been broken by a previous update, I believe. Eth0 is connected to the Internet, whereas eth2 should be the connection going to my Roku set-top box. Under the nm-applet icon, an entry exists for "Auto eth0" for the first card, but there is nothing under the second card except "disconnected". How do I make a connection entry under my eth2 card so that I can share my Internet connection with my Roku box?
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Dec 3, 2010
I have brought a new DELL INSPIRON 1410. I installed ubuntu 10.04 but my ethernet card is not getting detected where as in windows 7 is working..
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Feb 8, 2011
I am basically wanting to use my Ubuntu 10.10 computer as a router. Note: Before you say just get a router please note that I am poor/cheap. I have two ethernet connections and one wireless connection on my netbook. I want to share the internet connection that is going into one of the ethernet cards through the other ethernet card and the wireless card.
DSL-->1sr Eth --> 2nd Eth (currently works)
DSL-->1sr Eth --> Wireless Card (Adhoc) <--(connects with limited connectivity AKA no internet)
The 2nd Ethernet card already has working internet, but when I connect to the Wireless card (through an Adhoc network), it cannot get an IP (I believe).
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Apr 24, 2010
can one ethernet card support multiple ip address? but i think it's very dangerous. if bad guy take many ip, other people can't get ip. "does one ethernet card take multiple real ip or multiple virtual ip(one real ip)?" if it takes multiple real ip, then how it works good?..
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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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Jul 2, 2010
I've had way too many problems with my network card under linux and I'm looking to buy a new one because the money is worth the lack of headaches. My project: I'm breathing new life into my old, old pentium 4 computer by running Kubuntu Server on it and using it as a little samba filedump.
So I don't want to spend a lot on an ethernet card -- this computer is no prize. I just want the cheapest, most out-of-the-box-compatible-with-no-configuration card I can buy.
I started on Newegg (sorted by price: [URL]....CE&PageSize=20 ), and I've heard that cards based on the RealTek 8129/8139 chip may be compatible/cheap but I can't seem to find out ahead of time what chip the cards are based on.
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Jul 18, 2010
I've set up 10.04 Server so that I could install directly to a command line, due to the fact that Desktop was crashing during the install every time. The installation goes fine, except for the networking portion. DHCP fails every time I try it. So I set up a static IP as an alternative. Once installation completes, none of the network-oriented tools (ping, telnet) work. I've tried pinging my router and I get 'Destination Host Unknown'. This is true if I change to a DHCP oriented setup as well.
The router sees that the machine is there, as indicated by the slowly blinking connection light meaning that it's hooked up to *something* but there's no activity. Also, networking did work within Windows before I nuked it, so I know it has the ability to operate correctly. I'm at a loss, mostly due to my own newness and ignorance of how to start tackling this within this environment.
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May 9, 2011
The on-board NIC on my machine died this morning, so I've just gone out and bought a replacement PCI card. The card has been recognised by Karmic, but it's not working. /var/log/messages says:
Code:
May 9 11:21:58 ian-desktop kernel: [ 2.082324] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
May 9 11:21:58 ian-desktop kernel: [ 2.082334] r8169 0000:04:02.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
[Code]....
how I install the appropriate driver (noting that I have to sneakernet files across via usb stick), or any other diagnostics I should try?
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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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Sep 2, 2010
Tell me how to configure my Ethernet card to work. My pc only works wirelessly. I don't know what kind of Ethernet card is installed. I have Ubuntu 10.4 on a dell pc 1ghz, 20ghd, 512mb.
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May 19, 2009
i did configure as it was advised on [URL]... but it didn't work. for eg I added eth0:1 and eth0:2 on /etc/sysconfig/network-scripts/ when i do ifconfig i can see only eth0:1, i cannot see eth0:2, eventhough i configured as it was on the tutorial
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Mar 2, 2010
i already have an eth0 configured to automatically get its info from dhcp.
but i wanna configure eth1 to be able to serve dhcp and dns. i havent configured either dns or dhcp server on the server box since i have not configured the serving interface.
so far my interfaces file is:
Code:
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto eth0
iface eth0 inet dhcp
[Code]....
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Jun 8, 2010
With what command i can check whether my Ethernet card supports gigabit speed Ethernet or not?
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Nov 15, 2010
so, when i first got my laptop it came with vista and the ethernet worked fine, then when I decided to install Karmic about 9 months ago it still worked fine. After a while the update for lucid came out so I upgraded to that and then the ethernet started getting buggy. It would only work about half the time that i wanted it too and the other half of the time it would just stare at me and not move anywhere. So along with a couple other bugs I decided to format my harddrive and downgrade back to karmic and await the 10.10 release. unfortunatly my ethernet woes carried with me and they still would only show up on occasion. then about half way through my time with karmic round 2 it stopped altogether, and with the upgrade back to lucid it hasn't seemed to solve itself.
I ran through ifconfig -a, lspci and sudo ifup -a but they all tell me that the device doesn't exist.
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Jul 17, 2011
have a toshiba satellite L745 running Lucid Lynx I need drivers for the Atheros AR8151 ethernet card. Every post I have read on installing the driver give links to Atheros but they are all broken. Does anybody know where I can download driver?
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Jul 21, 2011
I'm running an ubuntu maverick server, and I'm having a slight problem with networking. I've only got one ethernet line running into my room, and I've got loads of computers. The server has 2 ethernet ports, one integrated into the motherboard, one on a PCI card that I took from my old server. The on board ethernet never worked on my old server- but I only tried it out post-install, it was hooked up to the card during install (For the record, networking on linux has *never* worked for me if I installed then plugged in the networking stuff after the fact). So I just used the card instead. Transferred the hard drive into a new machine, and lo and behold, it would only work after I transferred in the card from the old one. What I wanted to set up is a basic NAT system, where the network connection is routed through from my server to my main desktop- but when I run ifconfig, my card is not detected, just lo and eth0. How can I fix this?
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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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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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Feb 11, 2009
I have a very strange problem with my Linux Router/Firewall machine where i keep losing my connection on the ethernet card.
I have installed a Debian 4 distro on a PC with 2 nics to create a router/firewall machine. On nic-1 i have connected the ADSL modem and on nic-2 a laptop for testing.
What i want is to build a DMZ with public IP addresses assigned to the servers in DMZ.
Schematic example:
Code:
We have a total of 16 Public IP's assigned to the ADSL modem from our ISP configured in routering mode. Unfortunately our new ISP does not support Bridge mode, otherwise i would not have this problem. (we had modem in bridge mode working fine with our old ISP, but they have stopped so we were forced to switch to another ISP. eth1 and eth2 both have public IP addresses from the modem set hardcoded in the /etc/network/interfaces on Linux pc and on my testlaptop in the DMZ (server-1) i have set another public IP (they all fall in the same network range) I have enabled IP forwarding on Linux router/firewall and for testing the firewall is set to allow all traffic.
When i try to ping the testlaptop in my DMZ from a remote machine outside in our datacenter i get no reply.
However when i run the following command: ip addr add xx.xx.xx.xx dev eth1 to assign the public IP i have chosen for the laptop to the inner nic (eth2) and then try to ping the testlaptop again from the remote machine it still does not reply ... but (and here is the most bizar thing)...
When i then run the following command: ip addr del xx.xx.xx.xx dev eth1 (where xx.xx.xx.xx is the ip of the testlaptop) and try to ping again from the remote machine then it seems to be working fine ... however only for a short time because then connection is lost somehow.
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May 23, 2010
I am using DELL VOSTRO 1510 laptop , it has realtek r8169 ethernet card, i installed RHEL 5 in my laptop , i checked for the driver cd provided by DELL, they given one source rpm and two other rpm for ethernet card, i tried to install them through "rpm -ivh (path)/realtek-r8169 (full name).rpm " but it asking about dependency . i tried it by using yum also but still its not working.
also i tried to create binary rpm through source rpm, but it only generating spec not binary rpm, when i am using " rpmbuilt -ba (spec file) " its showing command not found error. RHEL5 have ethernet driver for realtek-8129 in their list but not for realtek-8169, i checked it in system-config-network window, now what to do, how do i install this rpm , i want to access net through RHEL 5.
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Mar 2, 2011
I have had some problems with a SATA DVD drive under installation of Slackware 12.2, [URL] So i tried 13.1 instead. But now the ethernet card is not working Its a VIA Rhine card, and it was recognized just fine under 12.2 The following command did nothing: Code: ifconfig eth0 up I am getting no errors. I have also tried using netconfig, no luck there either.
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Jun 7, 2010
I recently installed CentOS on a really old computer and while most things are running well, I am unable to connect to the internet. Using a Damn Small Linux live CD I am able to connect just fine and was able to see that that 'hp100' was being used as the netcard driver. When I tried to set up the network card using that adapter (HP10/100VG ....) it gives me the following error code...
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Jun 11, 2010
By upgrading to latest kernel(2.6.31-22) the card was recognized but it still doesn't quite work. I'm not that good at this but I'll paste some stuff that I think is related to solving a problem such as this.
[code]...
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