Ubuntu Networking :: Wired Interface Gone After Suspend

Mar 21, 2010

First I must say I love Ubuntu Netbook Remix. I purchased an Acus 1005HAB Eee PC last week and immediately installed UNR. The redesigned Applications menu is awesome. I've had a few bumps here and there, mainly with the internal mic (wanted to use Skype). In an attempt to get the internal mic working, I installed some of the linux-backports modules as instructed by some of the forum postings here. It seems as though installing the backports modules may have affected my network interfaces, as they now act funny after resuming from suspend. The wireless comes back, but just says "device not ready" (not worried about wireless right now). However, the wired interface won't come back at all after suspend. I must reboot the machine to get eth0 to be recognized.

I read through lots of forum posts about similar issues, but most of them had to do with the wireless interface, not the wired. I saw some posts talking about adding SUSPEND_MODULE instructions to some /etc/pam.d files, but I got the impression those were for NVidia network cards, not the internal cards present in the Eee PCs. I purged the linux-backports modules I had installed for Alsa (mic and speakers) and rebooted the machine, but still have the same problem so now I don't know if that's what caused it. Both wired and wireless were working flawlessly after resuming from a suspend when I first installed UNR, so I know it's possible!

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Ubuntu Networking :: Restoring USB Wired Interface ?

Jun 18, 2010

I've been working on a koala system, trying to set it up as a wireless AP with a pair of wired interfaces. The hardware itself is a small Nvidia ION platform with a built-in NIC and a bunch of USB ports, so I decided to set it up with a single wired USB NIC and a wireless USB NIC. For wired, I settled on a TrendNet TU2-ET100. Initially, this NIC worked perfectly on with no hackery required, plugged in and off it went, assigned as eth1 on the system.

For wireless, I've tried a couple of different units, both of which required use of the compat-wireless drivers to get recognized. I'm still having problems with that, but I'll deal with that later. In building and installing the compat-wireless drivers, it appears to have messed up the included drivers for my TrendNet USB NIC. Now when I boot the box, it comes up with the following error:

And from there, the NIC won't show up any longer - no eth1 visible in ifconfig -a. Clearly, some alternate driver (usbnet?) from compat-wireless has messed up the asix driver from being able to start up. Any ideas on how to get that restored?

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Fedora Networking :: Wired Connections - Shutting Down Loopback Interface

Jun 22, 2010

I have a problem with my F13 and wired connections on my Acer TravelMate 2410. When I connect the inet cable it doesn't show it as connected. When I type ifconfig, it shows everything as it should. When I tried to bring up eth0 with ifup eth0, it said that the device is not managed by NetworkManager. I tried to restart nm with service network restart, but it gave this error:

Shutting down loopback interface: Error org.freedesktop.NetworkManagerSettings.InvalidConn ection: ifcfg file ;/etc/sysconfig/network-scripts/ifcfg-lo' unknown

The same error came up for eth0 and Wired_connection_1 (the connection I configured from NM )
When I typed nmcli dev list it gave me:

GENERAL.DEVICE: wlan0
GENERAL.TYPE: 802-11-wireless
GENERAL.DRIVER: ath5k
GENERAL.HWADDR: 00:14:A4:4D:B8:FC
GENERAL.STATE: disconnected
CAPABILITIES.CARRIER-DETECT: no
CAPABILITIES.SPEED: unknown
WIFI-PROPERTIES.WEP: yes
WIFI-PROPERTIES.WPA: yes
WIFI-PROPERTIES.WPA2: yes
WIFI-PROPERTIES.TKIP: yes
WIFI-PROPERTIES.CCMP: yes

GENERAL.DEVICE: eth0
GENERAL.TYPE: 802-3-ethernet
GENERAL.DRIVER: 8139too
GENERAL.HWADDR: 00:0a:E4:EB:32:E2
GENERAL.STATE: unavailable
CAPABILITIES.CARRIER-DETECT: yes
CAPABILITIES.SPEED: 10 Mb/s
WIRED-PROPERTIES.CARRIER: off

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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

[Code].....

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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Debian Hardware :: Wired Ethernet Interface Not Listed On Toshiba Laptop

Jun 18, 2014

I need to share internet connection through wired-ethernet with another computer which does not have a wifi card.

However, no eth* interface shows up on ifconfig. Even more surprinsingly, neither lshw nor lspci shows anything related to wired ethernet controller/adapter:

Code: Select alllshw -C network
  *-network
       description: Wireless interface
       product: WiFi Link 5100
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: wlan2

[Code[ ....

Why isn't my laptop's wired ethernet not showing? I have a Toshiba Satellite PSAG8U-04001W.

The installation of Debian wasn't originally on this system: it was on an older laptop whose motherboard fried, so I rescued the hard drive as well as the Debian installation. However, I doubt this should have anything to do with lspci not even detecting the wired eth controller.

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Networking :: Configure PC For Wired/static And Wired/DHCP Networks ?

Oct 27, 2010

I want my netbook to connect automatically to both the office wired/static network and to the usual wired/DHCP networks.

wicd is wicked but netsearching hasn't revealed how to configure it for both wired/static and wired/DHCP except by manually switching profiles.

wicd's profiles can use pre/post(dis)connect scripts but I don't know how to integrate them into wicd when they are upping/downing connections on cable (un)plugging.

If it is not practical to solve this within wicd, I'll explore standalone scripts to configure eth0 on cable (un)plugging, as detected by ifplugd.

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Networking :: ATT Uverse DHCP Not Assigning To Red Interface Interface On Smoothwall?

Feb 14, 2010

I just had an ATT Uverse RG installed. However my Smoothwall router that previously worked fine with the ADSL SpeedStream is no longer accepting an address assignment DHCP ip address from this new gateway. (3800HGV-B)Any thoughts ideas or experience working with this hardware? ATT only supports Windows and Mac

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Networking :: Prevent Auto Up An Interface At /etc/network/interface File ?

Jul 18, 2011

I have a ppp0 entry with post-up options like this

mapping ppp0
map none photon-plus motorola
map timeout: 12

[code]...

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OpenSUSE Network :: Lost Wired Network Interface Eth0

Feb 14, 2010

Last night while setting up wired & wireless connection in openSuse 11.2 Gnome version via YAST's ifup, I got wireless but lost wired connection (interface eth0). Dmesg shows that eth0 became eth1. I cannot get eth0 back. Is there any way to remedy this situation, eg. get info from the Ubuntu partition in my triple-boot laptop, without having to re-install openSUSE?

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Ubuntu :: Waking From Suspend, To Tell It Needs To Suspend Due To A Critical Low Battery?

Oct 25, 2010

If I suspend this toshiba satellite, and the battery is or gets low it will wake from suspend to tell me that it will need to suspend due to a critical low battery. Which is pretty dumb. I've experimented with this by plugging and unplugging the ac adapter.

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Ubuntu :: Pm-suspend-hybrid / Schedule The Laptop To Come Out Of Suspend?

May 23, 2011

3 questions i have about "pm-suspend-hybrid"

1. is it possible to schedule this command in the same manner as shutdown ? eg sudo shutdown -h 60

2. is it possible to schedule the laptop to come out of suspend ?

3. i have a usb sound card (xfi go). when waking from suspend, the internal sound card is selected. i have to manually select the external sound card & for whatever reason, also unmute it too

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Ubuntu Networking :: Wired Networking Not Working At Work - Fine At Home ?

Aug 24, 2010

I just started having a problem with my 10.04 laptop a few days ago, maybe Thursday, last week. When the computer is plugged into my home network (standard 192.168.1.1 sort of IPs) it works fine, but when I try to connect to my work network (130.15.90.XX) I am unable to pick up an IP. The router in my office is working fine, all the windows boxes can connect.

I've also noticed that when the computer is plugged in at work the notification icon for the networking indicates it is looking for a wireless connection (rather than the normal up/down arrows), even if wireless is deactivated

I can set a static IP in /etc/network/interfaces and everything works, so it seems to be a DHCP problem?

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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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Ubuntu Networking :: Wired Networking Stopped Working

Nov 6, 2010

Wired and wireless networking have been working flawlessly for years on my HP Compaq 6710b laptop. Several weeks ago, after an automatic update via the update manager, my wired network stopped working. I did not notice it directly, since my wireless connection took it over. I only noticed it when I had to work in an office where I didn't know the wireless password.Since then, I have been trying several things and searched several forums. It is hard to find any troubleshooting information about wired networking, as most of the problems seem to occur with wireless.

I did verify that there is no hardware problem. My laptop is dual boot and when I boot the other operating system, the wired network works without problems (as does the wireless.)My Ubuntu version is Ubuntu 10.04.1 LTS. My kernel version is 2.6.32-25-generic i686. I hope anybody can help me getting my wired network working again.

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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.

Oh, and by the way, I know that I could probably find a workaround, but I have limited resources, and this used to work. The Linux is a Dell desktop with Fedora 12 and the Windows is a Windows 7 HP laptop.EDIT: I hope that I didn't mess something up, but I accidentally used system-network-config to try putting in the IP address there, and ended up changing it back to the original settings, but the computer is now calling it Auto Ethernet in the taskbar icon, although sudo iwconfig in the terminal still calls it eth0.

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Ubuntu Networking :: Using Wired LAN And 3G?

Apr 18, 2010

The issue I am having is that I have a Wired Network to share files between multiple computers, and I use a 3G Mobile USB Stick to access the Internet. what occurs is as follows:If I log in with the Wired Connection attached I can not access the internet, but if I unplug my LAN and use only the wireless USB Stick everything works properly. Is there a way to configure the OS to Use my USB stick as the primary internet connection while still having access to the other computers on my LAN through the wired connection. My wired connection is currently run from a router that is a DHCP server. I am currently running Ubuntu 9.10

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Ubuntu Networking :: NIC Not Waking Up After Suspend?

Mar 3, 2011

I have an Intel DG35EC motherboard with on-board NIC. It is an Intel 82566 Gigabit NIC. It is wired, not wireless. I am using an Ubuntu "Live CD". Just out of curiosity (to see if it worked), I "suspended" Ubuntu and it suspended very well, but when I "resumed" Ubuntu the NIC would not connect back to the network. If I actually installed Ubuntu and didn't use a "Live CD" do you think it would behave differently?

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Ubuntu Networking :: 9.10 Not Connecting To XP On Wired LAN?

May 16, 2010

Situation: I can access Ubuntu from Windows XP but not XP from Ubuntu. When I try to access XP from Ubuntu I get message "Unable to mount location Failed to retrieve share list from server"

In System/Administration/Network Tools using Network device: Loopback Interface (lo) I can ping the IP address of the XP machine. Also, using Network device: Ethernet Interface (eth0) I can ping the XP by using its computer name.

In System/Preferences/Network Connections it shows under the Wired tab: Auto eth0 never used

Below are the settings in my smb.conf file.

## Browsing/Identification ###
workgroup = MSHOME
wins support = no
wins server = w.x.y.z
dns proxy = no

[Code]....

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Ubuntu Networking :: Wired NIC Used To Work?

Jun 6, 2011

I'm running Natty and trying to troubleshoot my ethernet problem. An old laptop worked fine (including the ethernet) until a few days ago when we had a lightning strike relatively nearby. It appears power went out briefly or there was a spike (all hardware, except the DSL modem/NIC, had surge protection). The machine works fine now... except the network. I've run lshw -c network and it's showing "network: UNCLAIMED". ifconfig shows only the loopback and no eth0 at all. I've tried: ifup/ifdown, rebooting, live booting Natty off a USB drive, and tried on a network I know works... all to no avail. One interesting bit of info is that I can see a MAC address when I view the 'network connections' via the applet in top panel.

Am I reasonable to conclude the ethernet port got fried by the lightning? Any pearl of wisdom is welcome.

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Ubuntu Networking :: Wireless Not Working After Suspend?

Jun 17, 2010

After upgrade from Hardy to Lucid, wireless card (Atheros Communications Inc. AR5212 ) was extremely slow and not really functional. I installed the madwifi driver following the instructions from Ubuntu Wiki and wireless works now. But, after suspend Network Manager nor Wicd could scan for any wirelss networks.

I found a workaround: in console, run "dhclient" and, magically, while the scan for Ip address is going on, suddenly also Network Manager starts connecting to my default access point!

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Ubuntu Networking :: No Network After Suspend Mode?

Feb 10, 2011

I have never had a working suspend. But ... every year or so I try it DOH!!! to see if the updates have solved itI used suspend mode today, and when I woke the system up , all seemed fine untill I tried to browse the internet.It told me I was offline. no ammount of clicking "go online" would work.So, then I noticed the network connection was broken.I did a few things to get connected, and I want you all to tell me what I need to put back again ! IPV4 and IPV6, I unclicked the box to require this for connection to complete.Somewhere else, there was a list of servers to ignore. I removed them all. (I think there werre 3) one was localhost another was similar, and the third was a number.I just want to know what these should be set at, because just because it works - doesn't make it right

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Feb 13, 2011

I've got a Dell Latitude 131L with Broadcom B4311, running Ubuntu 10.04. Wireless networking generally works just fine, but I lose my connection when the computer is suspended, and I have to reconnect manually from the drop down menu.

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Jun 8, 2011

I cannot see any wireless networks after waking the computer from suspend. Wireless works fine on boot. I've tried restarting the network service, but I still don't see any available wireless networks.

[code]...

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Ubuntu Networking :: Cannot Connected (wired) To Internet?

Jan 8, 2010

I just got a new power supply in my old desktop, and installed ubuntu on it. I've got three NICs in there (for a later project), and when I connect my cable modem to any one of the NICs, then little connection triangle-spinny-thing in the upper-right tries to connect. But it never gets all the way connected.

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Ubuntu Networking :: 9.10 - No Wired Connection (Now Offline)

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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Feb 21, 2010

I have a problem connecting to the internet using Ubuntu 9.10 . But the same works fine in Ubuntu 9.04.. First I thought it was my hardware problem and asked my friend(also was using ubuntu 9.04) to try ubuntu 9.10 but he too failed to connect....

I have an wired ADSL Modem given by my Service Provider. When I switch on my modem the router gets connected but it cannot connect me to internet...

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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...

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Mar 18, 2010

I have Ubuntu 9.10 installed on a VM Server 2.02 with a Win7 32 bit host. When the host is wired into my network, the Guest (Ubuntu) has internet conductivity. However when the host is connected via Wireless, the Guest Does not have any internet connectivity. The VM Network connection is set to Bridged.

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Apr 1, 2010

in short : installed 9.10 on a dell inspiron 600m which has a broadcom bcm4401 ethernet and an intel PRO/Wireless LAN 2100 3B mini PCI. At this point, i'm not too picky about which one works (meaning neither of them currently work). nm-tool seems to pick up on both : the broadcom (eth0) is using the b44 driver, State is unavailable; the intel (eth1) is using the ipw2100 driver, it's State is disconnected.

i have encryption turned off, and the wireless sees a number of AP's (including mine).

i'm jumping off the good ship m$ and determined to make this work!

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Apr 30, 2010

I just did a fresh install of ubuntu studio 10.04 and I can not connect to either a wired or wireless network. The In Network Tools the IPv4 IP address is 127.0.0.1. It is plugged into a network giving out DHCP IP's. Both wired and wireless were working on ubuntu 9. I have tried to bring eth0 up in the terminal but it did not give an error or anything. It it running on a Dell Latitude D820 laptop.

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