Ubuntu Networking :: 10.04 64bit - Cannot Find My Router Even Via Ethernet

Jan 16, 2011

I recently installed Ubuntu via "wubi", and tried to set up the Wireless. After looking at a few threads, they suggested using an Ethernet cable to troubleshoot the problem. However, my laptop does not detect the router even via an Ethernet cable. I am running 64 bit(It auto-downloaded with wubi) on an Acer Aspire 5553G, and my router is a Netgear DG834G. I have an Atheros AR8151 PCI-E Gigabit controller, a Broadcom 802.11n Network adapter and TAP Win32 Adapter V9.

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Ubuntu Networking :: PC Router Between Wireless And Ethernet Interface

Sep 2, 2010

I tried to setup a connection as below but face some problem (probably route table setting incorrect). Hope if anyone could shed the light.Basically, I have a PC1 (.1) and PC2 (.130) connected via a PC router. PC router has 2 interfaces: wireless (.2) and ethernet (.129). PC1 connects to PC router via LAN cable/wireless interface, while PC2 connects to PC router via cable. This settings try to simulate 1 wireless connection along the path (and because PC2 is too old to support wireless interface, we need a PC router). These interfaces are all under same 172.16.130.x subnet.

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Ubuntu Networking :: Cannot Get Internal Ethernet To Pick Up Router

Oct 8, 2010

My old G USB network stick died and I also cannot get my internal ethernet to pick up my router. I've tried installing ndiswrapper, but I keep getting prompted to insert the installation cd for ubuntu's Jaunt Jackalope, which is what I am currently operating. I don't have an installation disk. I installed this version a while ago via usb stick (which I no longer have). Is there any way I can install ndiswrapper without having to use a ubuntu installation disk? I'm hoping installing ndiswrapper will solve my inability to connect wirelessly to the net via either my ethernet card of the new NetGear N100 usb network stick I just purchased.

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Ubuntu Networking :: Can't Access Internet On 4 Port Ethernet Router

Mar 1, 2010

I changed to a 4 port ethernet router (D-Link DSL-2542B Adsl2+)with intention to share Internet access with my brother (he's on Vista).Initially it all went well,but 3 days ago there were connection problems occured on the part of the ISP. Without realized the problem,I had reset the router.This morning I've been informed by the ISP that the connection has been re-established.So,I accessed the Internet via the 4 port router but failed to do so (server not found).Suspecting that the problem was from the 4 port router,I reverted to my old Adsl router (DSL-520B single port) and without any problem I managed to access the Internet back.I really need help to configure back the 4 port ethernet router to its initial state.

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Ubuntu Networking :: Difference Between An Adsl Router And An Ethernet Modem?

Dec 20, 2010

not *buntu related but what is the difference between an adsl router and an ethernet modem?

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Networking :: Getting A VLAN Router With A Wan Interface Capable Of Ethernet And AMT?

Oct 30, 2010

getting a VLAN router with a wan interface capable of Ethernet and AMT? something under $80-$100 pref.i need to segment a client on my home network.

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Networking :: Isolation On A Non-router Server With Multiple Ethernet?

Jan 12, 2011

I have been working with Linux for about 10 years and I have a good understanding of IPv4 networking and routing but not so much detailed knowledge of implementation or specific networking packages.

I have a Linux system running a custom-built (Linux from Scratch) distribution and using 2.6.15 kernel. My system has 4 Ethernet controllers (eth0, eth1, eth2, and eth3). I have intentionally left out support for forwarding/routing of packets as this machine is not intended to be a router and I specifically do not want it to be able to so. My intent for the machine is to function as a server to 4 different and separate networks without allowing traffic or hosts on one LAN to access or adversely affect those on the other LANs.

My main question: is there a way to completely isolate the connections to these LANs and if so, how might I achieve it, and through what packages?

I have been having some issues:

1) Default gateway. With only a single default gateway, network requests from a LAN that is not directly connected to one of the 4 NICs and for which there may not be a static route defined, may send a response to the default gateway which is on one of the LANs connected to a different NIC than the one that I received the initial request on. Is there anyway to isolate outgoing messages to only go out on the NIC that the corresponding request was received through?

2) Default gateways. I have a requirement to allow DHCP on these interfaces. It is possible that the DCHP servers on each of the 4 LANs may provide a default gateway, but I don't see how I can make use of that. I know that there is a way to configure multiple default gateways via the iproute2 package (which is what I am using) but I don't know how to make sure that the correct default gateway is used for requests that were received on a specific interface.

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CentOS 5 Networking :: 5.3 64bit, ASUS NX1101 Ethernet Not Detecting?

Oct 15, 2009

Cent Os 5.3 64bit dosen't recognise the network card ASUS NX110113f0:1023 (rev41)here are some details about the system,

# lspci | grep ther
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02)

[code]....

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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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Networking :: Slackware 13 64bit - Nvidia Forcedeth Module - Can't Load - No Ethernet Device

Feb 15, 2010

64bit Slack doesn't recognize my ethernet device. ifconfig -a show no eth0. It's an onboard nvidia MCP55 ethernet nic. Never had this problem using 32 bit Slack.

When I try to modprobe forcedeth I get the following error:

repeats those two statements 3 times

I just recompiled my kernel with every possible 10/100 ethernet device included in the modules. Still no go.

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Networking :: Won't Find Ethernet Cards

Sep 15, 2010

I am writing a new lightweight Linux distibution mainly for educational purposes. I have a problem; it won't find any ethernet cards. I have tried enabling several things in the kernel config. What I would really like to know is how to enable some generic ethernet drivers and therefore networking. I would like to avoid having to use modules. I'm using kernel version 2.6.35.1.

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Ubuntu Networking :: Find A Device Connected Via Ethernet?

Nov 12, 2010

I have a device (not a pc) connected to my pc via ethernet, it dose not show up in networks, I was hoping there was a way of scanning to detect for it, is there a way of seeing content of it is basically what I'm asking?

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Ubuntu Networking :: VMWare Workstation 7 On 9.10 - Can't Find Ethernet Device

Aug 29, 2010

I just upgraded to VMWare workstation 7. I was previously running v.6, and an older linux version, and everything was working fine. I moved over the same VM files to the new computer, and it doesn't find the ethernet connection. When I start up the virtual machine, I get an error message:

Could not connect Ethernet0 to virtual network "/dev/vmnet8". More information can be found in the vmware.log file.

There log file doesn't say much more:

Jan 07 17:31:36.928: vcpu-0| VNET: MACVNetPortOpenDevice: Ethernet0: can't open vmnet device (No such device or address)
Jan 07 17:31:36.928: vcpu-0| VNET: MACVNetPort_Connect: Ethernet0: can't open data fd

[code]....

Once xp has booted, I get the "new hardware" wizard, saying that it found an ethernet adapter. However, it can't find any driver for it. I think this dialog started appearing after I added a new virtual network entry using the "Virtual Network Editor". Originally I didn't even have a /dev/vmnet8 file. Now I do.

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Ubuntu Networking :: 10.04 Will Not Find My Router / Network

Jun 27, 2010

I'm trying to get online on my laptop, I just installed Ubuntu 10.04 (Side by side with Windows 7.) I'm looking over the networking help files, as well as the troubleshooting and nothing seems to be working. [URL]. From this troubleshooting guide it tells me to open the terminal and type the command "sudo lshw -C network" and when I do, it asks me for my password but when I try to type it, nothing comes up. So I run it without typing sudo. It says "*-network DISABLED" which in the troubleshooting guide means that my router is off, but I'm clearly online on this computer as of right now.

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Ubuntu Networking :: Find Router, But Can't Connect?

Feb 3, 2011

It says my routor's name and signal strength but when I try to connect it tries for a while and then fails.

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Ubuntu Networking :: Find The Router's External IP?

Sep 1, 2011

My PC is connected to a HW router which in turn is connected to a modem

Code:

internet-----modem----router----PC1

Is there a console command (e.g. in telnet) to get my external (public) IP?

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Networking :: Find A MAC Of Hardware Attached Via Ethernet Cable?

Apr 19, 2011

How can I find a MAC of hardware attached via ethernet cable? I have been working nicely with an industrial scanner that is controlled by a Linux PC via an ethernet cable, but the hard drive has died I need to get it working again. The problem is that the main PCB has a Realtek RTL8019AS ethernet controller chip: [URL] which I believe is used in the most basic way possible, applied straight off-the-shelf and unconfigured. To utilise the chip ARP commands are used to assign an IP address to the chips MAC address e.g. something like:

arp -s 192.168.2.5 00-05-a4-00-a8-f8

Unfortunately the actual MAC address was lost along with the HD Th only thing I could have a reasonable guess at is that the chip will have a default subnet of 255.255.0.0 or 255.255.255.0

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Ubuntu Networking :: 9.10 - Wireless Network Manager Cannot Find My Router

Feb 8, 2010

To start off I have a Rosewill rnx-n2x wireless adapter and a Dlink 4500 router. The problem is, the wireless network manager detects every wireless router in the neighborhood, except mine. I see this persons, and this persons, but no "My router Not yours". I even tried doing the hidden network setup and still nothing.

I have read that the rnx n2x isnt supported by linux, although I've seen solutions to make it work (which didn't work, mkdir command kept getting denied during make) link to what I'm talking about: [URL]. What I don't get though, is that if the rnx n2x isnt supported by linux, wouldn't I not be getting my neighbors connections to begin with?

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Ubuntu Networking :: How To Find Primary Dns, Secondary, And Default Router

May 1, 2010

im trying to open my NAT on my PS3, and it's asking for my primary DNS, secondary DNS, and default router. how will i find these on ubuntu? i got my ip and subnet mask, just need the other three.

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Fedora Networking :: Ethernet Connection Stopped Working - Cannot Find Server

Jul 23, 2009

After using fedora 11 for a month or two now the ethernet gave out on me tonight. However if I switch to my ubuntu or windows XP install it runs fine. I made no recent changes to network connections, and no installed programs that should effect it.

kernel version: 2.6.29.6-213.fc11
default connection: eth0(and only connection)
ifcfg-eth0:
# Networking Interface
DEVICE=eth0
BOOTPROTO=dhcp
HWADDR=00:1F:C6:DB:05:0C
ONBOOT=yes
TYPE=Ethernet
IPV6INIT=no
USERCTL=no
NM_CONTROLLED=yes
NAME=eth0
UUID=5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03
DNS1=192.168.1.254
PEERDNS=yes
PEERROUTES=yes

I have tried, restarting, older kernel, restarting services, and clearing the DNS Cache. The specific error I get is that "Firefox can't find the server", and most other applications return similar. I can however ping websites still. All other computers on the network are running fine, and booting into another system the internet will work. Just not for fedora.

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Networking :: Router - How To Find Port Number For Web Management

Aug 1, 2010

I enabled D-Link (DSL-502T) router web management (I am aware of security implication). I was able remotely to login to the router (by typing http://23.45.xx.6y) before changing the default number 80. Then I changed the port number from the default value 80 to 21908 (https option is not available) for better security, and when I tried to login to the router by typing this :

http://23.45.xx.6y:21908

Yes I am aware that if I am physically near to the router then I can check that , but this is not the case with me. How can I make sure that I had changed port number form 80 to 21908? Does NMAP do a trick to reveal which port is used for web management ? or are there other better options?

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Ubuntu Networking :: Computer Unable To Find Wireless Signals Despite Right Next To Router

Apr 4, 2011

just switched from Windows Vista to Ubuntu 10.10 on my Toshiba laptop and I'm loving it, except for some wireless connection problems. About 70% of the time, my computer is unable to find any wireless signals whatsoever, despite being right next to the router. When it does find the signal it connects fine and runs great, but most of the time it doesn't show any signals at all. I can't find any pattern to when it does or doesn't find the signal. My result for the "sudo lshw -C network"

[code]...

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Networking :: Unable To Find Atheros AR8132 PCI-E Ethernet Controller Driver For CentOS / Fix It?

Jun 26, 2011

I am unable to find Atheros AR8132 PCI-E Ethernet Controller driver for CentOS which is installed on my netbook.

I contacted DELL to provide me the driver and they said that they do not support Linux on netbook and I have to arrange it myself.

I told them that I don't need help in installing I just need the driver file to which they said that they don't have driver for Linux.

NIC is getting detected and works fine on the same netbook (Am dual booting Windows7/CentOS) with Windows7

When I type: ls -l /dev/ it does not show up eth0. Same result with ifconfig. When I type lspci | grep net it does show up something like Atheros Communications AR8132 L1 PCI Gigabit .

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Ubuntu :: Can't See The Ethernet Router

May 8, 2010

I connect to a Linksys Wireless-B router in my home. My connection was working fine last night, but when I booted up my computer this morning, nothing shows up in my list of available connections. I've tried disconnecting the router from its power source for a minute, I've tried rebooting my computer. I booted my computer using an Ubuntu 9.10 64-bit live CD, and I was able to connect just fine, so I know it's not an issue with my mobo's onboard ethernet. But it's still not working when I boot from my hard drive. I'm running 10.04 64-bit. I've had this problem once before in the year-plus since I built this machine, but it resolved itself after I rebooted a couple of times.

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Ubuntu :: Can't See Ethernet Router

Feb 3, 2011

I connect to a Linksys Wireless-B router in my home. My connection was working fine last night, but when I booted up my computer this morning, nothing shows up in my list of available connections. I've tried disconnecting the router from its power source for a minute, I've tried rebooting my computer. I booted my computer using an Ubuntu 9.10 64-bit live CD, and I was able to connect just fine, so I know it's not an issue with my mobo's onboard ethernet. But it's still not working when I boot from my hard drive. I'm running 10.04 64-bit. I've had this problem once before in the year-plus since I built this machine, but it resolved itself after I rebooted a couple of times.

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Fedora X86/64bit :: 64-bit Ethernet Drivers Borked?

Nov 26, 2009

I just upgraded to Fedora for the first time. I've been using Debian 32-bit forever. I thought I'd try Fedora 11 64-bit. Everything was working fine until yesterday's LAN Party. I could not setup a BZFlag server that others could connect to until I booted up a KNOPPIX 32-bit DVD! Is there something buggy about the 64-bit ethernet drivers or am I missing something here

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General :: Missing Eth0 Ethernet Interface In Ubuntu — Can't Connect To Router

Aug 27, 2011

I'm having trouble getting my Ubuntu 10.04 machine (Sony Vaio VGN-SR490) to connect to the Internet by way of an Ethernet cable connected directly to my router.

I'm able to connect to the Internet using this same cable using a Windows machine, so there's something wrong with the way Linux is configured.

How do I got about figuring out what the problem is and solving it?

Here are my network settings on Linux:

$ ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host

[Code].....

It looks like the network adapters list is empty. I will now install both Windows XP and Ubuntu Linux dual-boot. I'm still not able to access the internet, even through Windows. I'm wonder if this could be a hardware problem with the computer or a problem with the router itself. Other computers can connect to this same router, and work fine. (That's how I'm posting this after all!)

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Ubuntu Networking :: User Interface Changed And It Defaulted To Ethernet And Now It Won't Letting To Go Back On Wireless - Disable Ethernet?

Sep 1, 2011

My laptop was working fine on wireless till the userinterface changed and it defaulted to ethernet and now it won't let me go back on wireless How do i disable ethernet?

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General :: Connecting To The Internet Both Wirelessly And With An Ethernet Cord Into The Router

Oct 11, 2010

I just installed Fedora Core on my Dell Inpsiron B130 laptop and I am having trouble connecting to the internet both wirelessly and with an ethernet cord into the router. When trying to configure my network, I dont recognize any of the ethernet adapters in the drop down list. I have been told that my wireless card is Linux compatible (dell y8029 dell wireless 1370 802.11/a/b/g mini pci). My ethernet card is a B130 Broadcom Ethernet Driver which isnt in the drop down menu either.

I read that I need to download an ndiswrapper but I dont know where to find this download AND even if I could download it to a zipdribe, I have trouble opening a USB flash in Linux becuase its not a "valid block device". This is after the command "mount /dev/sda1 /mnt/usbflash"

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Slackware :: Configure Old Desktop With 12 As A Router And Ethernet Card RTL 8029

Jul 2, 2010

I am really interested to configure my old desktop with Slackware 12 as a router. But unfortunately I did not found any other ethernet card (second) as Realtek 8029. (I need two ethernet cards according to the howto [URL]) It is possible to get up and running this card? I was googling a lot. I tried to use the ne2k-pci module. It seems that it was loaded successfully, but I cannot see my interface (eth1) with ifconfig.

lspci shows:
Quote:
00:0b:0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8029(AS)
lsmod:
Quote:
ne2k-pci 12768 0 (used by)
[Code]....

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