Ubuntu Networking :: No Auto Connection To Wired Ethernet On Restart?

Nov 30, 2010

Just noticed that auto connection to my wired ethernet is not being established after restarts I'm making. Never recall this in the past. I do get an auto connect when I shutdown and restart. I'm using 10.04 LTS Lucid Lynx.

Also have noticed that nearly every upgrade over the past week or so is calling for restart to complete the upgrade. Can there be any unwanted problems in doing several upgrades over a period of several days before doing the restart? I'd like to think not.

As you can imagine these two issues together are causing some lost time.

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Ubuntu Networking :: Can't Get Wired Ethernet Connection To Work

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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Ubuntu Networking :: Share Wired Ethernet Internet Connection?

Jul 24, 2011

I have two laptops (Dell & Lenovo), both have wifi.

I am having one wired Ethernet connection.

I want to share this Internet connection among two system , to access Internet from both the system.

I had tried by creating a wireless network, but was not able to do so.

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Ubuntu Networking :: Doesn't The Wired Ethernet Connection Work

Jul 25, 2011

I have installed Ubuntu 11.04 using Wubi through Windows 7. It seems to be working but it will not connect to my wired internet connection. It tells me there is no wired connection, when there is. I used sysinfo and its not showing any network adapter or controller. I have a board with nvidia nforce go 430, could it be a driver issue. It works fine in windows though. Tried using a wireless adapter and all is working. But why doesn't the wired ethernet connection work.

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Ubuntu Networking :: No Ethernet Connection After Restart From Hibernation

May 7, 2010

Following upgrading my 09.04 partition to 09.10 then 10.04, all was working fine until I tried hibernate out for the first time - big mistake! If I can get to a position where i can log on to the system, I find that my ethernet network connection is disabled and I cannot get it to restart. My 09.10 system still works ok. I am tempted to do a clean install of 10.04, even though I'll have to spend some time reloading the extra's and re-configuring.

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Ubuntu Networking :: Ethernet Lan Port On The Computer Seems To Not Be Activiating As No Wired Connection Is Recognized

Oct 6, 2010

while my brother was browsing the web on my windows partition he had a blue screen pop up, one of the soft/hardware error ones, not a true BSOD, anyways, ever since my lan port on the computer seems to not be activiating as no wired connection is recognized. The lan port/card is directly attached to the Mother Board, it's a gigabyte motherboard in a self-build computer. I'm just wondering if there's anything I can do to troubleshoot this and see if it is truly a hardware problem or if its something else.

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Ubuntu Networking :: Wired Ethernet Connection - Unable To Connect To The Internet Or My Router

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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Fedora Networking :: DHCP Lease Renewal Failing On Wired Ethernet Connection?

Aug 1, 2010

I'm running an up-to-date Fedora 12 machine with the Gnome desktop (meaning with Network Manager). My network connection is a wired ethernet to a switch which then connects to a Netgear router. For some reason, this machine can't renew its leases with DHCP, so NetworkManager deactivates eth0, taking my machine off the network. I have to click Network Manager and enable eth0, which seems to work every time.

How can I fix it? Here are the relevant bits from /var/log/messages showing a failed DHCP request and then the successful renewal.

Code:
Aug 1 04:00:08 ironton dhclient[12452]: DHCPREQUEST on eth0 to 192.168.1.1 port 67
Aug 1 04:00:08 ironton dhclient[12452]: DHCPNAK from 192.168.1.1
Aug 1 04:00:08 ironton NetworkManager[1261]: <info> (eth0): DHCPv4 state changed reboot -> expire
Aug 1 04:00:08 ironton NetworkManager[1261]: <info> (eth0): device state change: 8 -> 9 (reason 6)
Aug 1 04:00:08 ironton NetworkManager[1261]: <info> Marking connection 'System eth0' invalid because IP configuration expired.

[Code]...

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Networking :: Ethernet Connection Only Work When Restart/boot Up Computer

Feb 23, 2011

I'm currently running Fedora 13, after I updated the kernel to 2.6.34, I have to run (as a superuser) "service NetworkManager start" in order to start my network manager, is there are way I can run this on startup?

Also my ethernet connection seems to only work when I restart/boot up my computer, when I wake my computer up from being asleep, the ethernet stops working.

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Debian Hardware :: Wired Ethernet Dongle Drops Connection

May 2, 2015

I'm using a wired ethernet dongle due to my machine not having an ethernet port, however it sometimes drop connection, how can I diagnose whether if the dongle is faulty or my system is having trouble maintaining a connection.

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Networking :: Ethernet Auto-connect / Auto-sense Doesn't Work

Feb 3, 2011

I have noticed that a common issue to several distros is the fact that the networking subsystem doesn't automatically detect the link if an ethernet connection is disconnected and then re-connected to the NIC after boot. If the ethernet cable is connected after the system is up and running, nothing happens - ethtool eth0 shows link detected: no, and you have to restart the network service to let the NIC know that there is in fact a link, and actually connect. I have a Fedora14 (KDE) box with a brand new Asus motherboard with embedded NIC. Everything works great except the auto-detect of a freshly connected ethernet connection if the link is down to begin with.

Am I missing a ethernet link sentinel utility or something, or is this just the way linux works? I have done plenty of research on plenty of posts, and it seems this is a common problem, with no solution other than manually or programatically restarting the network service in a script to detect the link after a disconnect.

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Ubuntu Networking :: Cant Get SiS900 Wired Ethernet To Work?

Jun 13, 2010

laptop: averatec 6200 series
ethernet driver: SiS 900
wirless lan driver: rt2500

I got 10.04 installed and running pretty well.I cant get the wired ethernet to work but the wireless works. i did the the command line

[Code]...

also, dont know if i matters but ive got 8mbps/1.5mbps cable (motorala surfboard cable modem) and a linksys wrt54g wireless router.

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Ubuntu Networking :: Wired Internet Requires Restart

Oct 21, 2010

I am having occasional internet connection problems on startup. 1 out of 5 times that I start my computer, I will have absolutely no internet connectivity, can't ping my router, obtain ip. nothing. Tried re-establishing connection with no luck. Status light on my router displays a slow flash. I restart, problem solved. Not so much a major problem, but irritating at times

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Ubuntu Networking :: No Wired Internet - Can't Restart System

Jun 23, 2011

Dell atitude E6420. e1000e: Intel(R) PRO/1000 Network Driver - 1.0.2-k2 Firstly, I installed 11.04, 64 bit, I have wired internet but can not restart; then I switched to 10.04 LTS 64 bit, I can restart but I lost my wired internet. For both situation, wireless internet works well. I update the "linux-image-generic-lts-backport-maverick", then the wired internet works, it is fine. But, I can not restart the system, just same as 11.04. How to fix it?

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Networking :: How To Get It To Connect To Wired Ethernet Network

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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Networking :: Wired Ethernet Not Working - Cannot Connect

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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Networking :: Puppy Doesn't Detect Wired Ethernet?

Jul 2, 2011

I've got Puppy Linux on a USB key, and yesterday, while I was on the internet with it, it hanged. I didn't know what to do, and I rebooted from the button (I now know what to do ). The problem is that, after rebooting, Puppy doesn't recognise the router. I've tried to apply the drivers that are on Puppy, but there aren't any compatible.

My router is a Xavi 7968 and my Network Card is:

NIC Fast Ethernet PCI Familia RTL 8139 from Realtek

(On Realtek's website, there isn't any driver linux-compatible)

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General :: Stop And Restart Ethernet Connection Ubuntu 9.10 - Ignoring Unknown Interface Eth0=eth0

Mar 8, 2010

If I uncheck and recheck "Enable Networking" in the Network Manager Applet 0.7.996 I would expect the wired network to disconnect (which it does) and reconnect (which it does NOT). So I tried sudo ifdown eth0 and got

Quote:

Ignoring unknown interface eth0=eth0.

ifconfig tells me

Quote:

eth0 Link encap:Ethernet HWaddr 00:25:64:e8:18:2c
inet addr:192.168.0.112 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::225:64ff:fee8:182c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

[code]....

so I am at a loss. How do I stop and restart the network interface short of rebooting the machine?

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Ubuntu Networking :: Ionitx Can't Get Wired Ethernet To Work ( No DHCP Lease )?

Jun 5, 2010

I have a Zotac Ionitx A-U. I can't get it to establish an internet connection with the wired ethernet within Ubuntu. The chip is detected, but trying to bring up the connection stalls out at trying to obtain a DHCP lease, like this:

DHCP DISCOVER ...
DHCP DISCOVER ...
No DHCPOFFERS received
Specs:
Ionitx A-U
Ubuntu 10.04 x64 kernel 2.6.32-22 (also didn't work in 9.10)

[Code]...

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Ubuntu Networking :: Wired Ethernet Not Working On Compaq Presario 6310

Jun 13, 2010

I acquired an older hp compaq presario computer version 6310us, and initially installed mint, followed by Ubuntu 9.04. Neither one recognized the onboard ethernet port. I checked the bios, and LAN is enabled. It is also enabled in the drop down menu from the toolbar on the desktop. The cable works fine on other computers, and the light on the ethernet port flashes like it does when the cable is connected. I'm new to linux, so not sure what to do to get the connection working.

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Networking :: Wired Ethernet Conection Deminished On Debian Squeeze?

Jan 22, 2011

I have a generic P4 desktop computer with Debian Squeeze. Since instalation my wired ethernet connection will slowely slow down and then quit when surfing the web. Sometimes it seems worse than othertimes. If it fails I usualy can get it to come back back up by going to Network Connections and clicking on "wired connection"and them just closing the window. It will work for a bit but the conection will inevitably quit in a short time again. Interstingly it seems mostly a problem with web browsers as doing upgrades, package instalations, using SMXI and things of this sort do not seem to be a problem. I have tried both Epiphany and the Squeeze default Iceweasel with identical results. Also when using Google Earth a similar situation occurs in about 2 minuits of use. The same computer running Debian Lenny with Epiphany and WXP with the dreaded IE do not have this problem.

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Ubuntu Networking :: Ethernet Stops Working On Restart?

Aug 13, 2010

I upgraded to the newest version of Ubuntu a few months ago, and ever since then, the ethernet connection to my router stops working when I restart the machine. It eventually comes back, but after varying amounts of time. Sometimes 20 minutes, sometimes 2 days.

Restarting the computer and cycled reboots of the router don't seem to have any beneficial effect, at least that I can detect.

The light for the slot on the router does not light up like it normally would, so it's almost like the OS doesn't even recognize the network card.

Ubuntu 10.4,64-bit. Dell XPS 410.

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Ubuntu Networking :: 10.04 Auto Ethernet Says It Connected But Can't Ping Out

Jul 19, 2011

I am unable to connect to the internet at work through the ethernet, previously working. I am not sure of the origin of this problem -- the result of an update or something that I did to the network settings.

In the NetworkManager applet is says Auto Ethernet is connected but I can't ping anything by name or ip address.

The wireless still works without any problem.

I have tried following some of the other threads on similar issues but the fixes proposed on them have not helped to date. And I may have mangled some of the settings files somewhat.

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Networking :: Mint Current Distro - Shut Off DHCP For A Wired Ethernet INC?

Apr 16, 2011

I recently did some troubleshooting on a USB wireless dongle hooked up to my Mint distro. I need the USB wireless to access a home DSL wireless modem out to the Internet. The wireless DSL is on 192.168.0.1

I also have a 10/100 ethernet NIC in the computer, for non-wireless connections. The wired ethernet is all 192.168.1.1. I noticed in /var/log/syslog that there are numerous "DHCPDISCOVER on eth0 to 255.255.255.255 port 67" messages.

Since eth0 has a hard-coded IP, I dunno why DHCP is trying deal with it. Can I turn off DHCP activity against eth0? How to do that?

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Fedora :: Auto-Restart Of Networking?

Jun 13, 2010

I have a server box running F12. Whenever networking is lost up-stream, obviously, my box loses it and the networking icon gets the "red" cancellation sign over it.Now, when up-stream connectivity returns, Fedora does not auto-connect. Instead I have to manually go to my office (grrrr), and simply click on the networking icon, click on the unselected radio button next to eth0 (its the only network interface), and I'm good again.To save me future weekend trips to the office.... How can I make sure this happens automatically

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Ubuntu Networking :: Upgrade To 10.04 Broke R8169-based Wired Ethernet - Working Only At 10Mbps

May 1, 2010

After upgrading from karmic to lucid yesterday made my RTL 8111 -network card die. It's integrated on Intel D510mo mini-itx board.

dmesg:

Code:

After some googling I found out a lot of forumposts about the same problem from year 2007, but the troubles seem to disappear on the newer versions and seem to be back now? With those posts I managed to get the link up by using ethtool by setting autoneg off and setting speed to be 10mbps and half duplex. Any other speed/duplex combination fails.

One suggestion I found was to install r8168-driver from Realtek instead of the r8169. It didn't help, result was very much the same.

I booted to 9.10 live-cd and there the network worked as intended (100Mbps, I dont have a gigabit switch)

I really wouldn't like to fall back to 9.10, but my file server is not very usable with 10mbps.

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Fedora Networking :: FC11 Not Auto Detecting Ethernet Interface

Jun 10, 2009

On FC10, when system boots up, it would auto detect (from DHCP) and configure eth0.

This does not happen on FC11, but I can manually configure the interface. The entries in /etc/sysconfig/network-scripts/ifcfg-eth0 are identical on both OS releases.

Don't know if this is related, but when I run System->Administration->Bootloader, it fails system-config-boot - missing module kudzu.

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Ubuntu Networking :: Auto Eht0 Doesn't Work - Can't Connect With Ethernet Cable?

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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Ubuntu :: What Is The Difference Between "auto Eth0" And "Wired Connection 1"

Aug 5, 2011

Using Lucid.

Both "auto eth0" and "Wired connection 1" appear in my network app. See screenshot. I only have one Ethernet card.

is the latter just a rename of the former? I thought so, but the "Wired connection 1" seems to be more reliable than "auto eth0"

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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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