Ubuntu Networking :: Network Interface Numbering Messed Up?

Oct 6, 2010

I am trying to get my ethernet adapter list to make some sense. This is what ifconfig spits out

Code:
agarzon@euler:~$ ifconfig
eth3 Link encap:Ethernet HWaddr b8:ac:6f:3b:f4:4f

[code]....

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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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Ubuntu Networking :: Messed Up Network Manager

Apr 21, 2010

At first my internet was really choppy just using the default network manager, but I switched the kwlan and that was going pretty well, til I had to reboot and it decided to not work anymore. Now my kernel has no network manager, and I just need some guidance.

I tried downloading the original network manager deb packages from the ubuntu archives, but I couldn't get the core application to run (though I could get the GNOME applet) even wtih chmod I didn't have permission to do anything with it.

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Ubuntu Networking :: Messed Up Network Configuration

Jan 29, 2011

I`m relatively new to Linux and Ubuntu.Now I have been playing around, editing the settings files for the networks cards, and now I have messed things a bit up.Any way to delete all settings, and make Ubuntu autodetect my hardware again?

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Ubuntu Networking :: Connect To Wireless - Settings In The /etc/network/interfaces Are All Messed Up

Feb 17, 2010

the default for /etc/network/interfaces? I believe I screwed it it up because I can detect my wireless, it just won't allow me to connect to it. The settings in the /etc/network/interfaces are all messed up. I'm running Ubuntu 9.10.

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Fedora Networking :: WLAN Disconnected - Network Configuration Messed Up

Jul 20, 2009

Recently, I had the courage of installing Fedora 11 on my laptop while risking of trashing my Windows XP. Fortunately, the installation went fine and windows and fedora seems to be working together. But I needed to reinstall Fedora because I didn't do the partitioning right. After that the problem arises. I couldn't connect to the wlan. The first installation it was working fine. Now I can't. I select the network, enter the password and then it just says "Disconnected" or something like that then nothing else happens. So I had to reinstall it again thinking I did something wrong on the installation. But still it wasn't working. But it seems to be working when I boot from the live cd. I must have messed up my network configuration.

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Ubuntu Networking :: Configuring The Network Interface Via Dhcp - Network Messages - Code: 00 55 89 E5 0f 1f 44 00 00 Fa 5d C3 90 8d 74 26

Apr 7, 2011

I am totally new to Linux and have just installed ubuntu 10.10. After configuring the network interface via dhcp I started getting these messages that come in so frequently I can't configure anything else.

[87.186415] Stack:

Why I am getting this messages and more importantly how do I get rid of them.

The installation is on a VM on Hyper-V.

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Ubuntu Networking :: Messed Up /etc/network/interfaces - Original Auto Eth0 Setup Is Missing

May 24, 2010

I'm trying to setup my interfaces along side GNS3 for study purposes, and came across a ..... vid saying to try this (my current config)

[Code]....

I'm praying for some crappy syntax error, also in Network Connections... its now blank, the original auto eth0 setup is missing

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Networking :: Configure A Network Route To A Host For Testing Network Interface?

Aug 30, 2010

today I tried to configure a network route to a host for testing my network interface. Code: route add 192.168.1.15 eth0 As I have to eth interfaces and both interface got their IP from DHCP (192.168.1.11 and 192.168.1.12) and are in the same subnet, I shut the other interface down:

Code: ifconfig eth1 down Then I tried to test the interface by doing a ping to 192.168.1.15.
Problem: When I unplug the cable from eth0 (and eth1 is still plugged) the ping still works. Somehow my linux (it's debian) powers up again eth0 and pings over this port.

How can I stop my linux doing this. I just want to have the route added only on the one interface - not the other. Is it maybe some case of a default-gateway?

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Networking :: Can't Access Second Network Interface?

Mar 29, 2011

I'm having all sorts of problems connecting an access point to my computer, but here is one piece that I hope will get me going, if I can get it solved.My computer has two network interfaces, eth0 and eth1. eth1 connects to the cable modem and thence the world, and works fine. eth0 is supposed to connect to the access point over a private network. Here is the output from route with my IP address blotted out:

Code:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface

[code]...

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Networking :: Multicast With More Than One Network Interface?

Jul 30, 2010

If I have set up 2 network interfaces on a box, if I started sending multicast traffic, it will go out through both interfaces? Or is there a way to control through which interface it will go out?

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Ubuntu Networking :: /etc/network/interface Address Not Recognized

Jun 18, 2010

Showing my ignorance, but why would this work

address 172.16.1.8
netmask 255.255.254.0
network 172.16.1.0
broadcast 172.16.2.255

[Code]....

Notice the 2 in address. Seems to me it doesn't like the network and wants it to be 172.16.0.0, but I am adding to a network already configured this way.

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Ubuntu Networking :: Bind Program To Network Interface?

Jun 17, 2011

Is there any way in a machine with 2 (or more) network devices to only allow 1 program to use interface1 and force all other programs to use the other?

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Ubuntu Networking :: /etc/network/interfaces Not Accepting More Than One Config Per Interface

Feb 3, 2010

My old /etc/network/interfaces isn't working in 9.10. I've used it from 8.04 to 9.04 without issues.

I need to make multiple configuration per interface:

Code:
auto lo
iface lo inet loopback
auto lo:1

[Code].....

If not how can I downgrade the program responsible for reading this file?

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Ubuntu Networking :: Activate Wireless Network Interface In Terminal?

Feb 26, 2010

running 9.10 server, have SSH access through LAN, but I'd like to move box out of my neighbor's (shared internet & the router's in his place) and into my own space. Would have done so already, but I can't get the wireless working. Details below:lshw -C network gives:

Code:
*-network:0 DISABLED
description: Wireless interface

[code]....

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Ubuntu Networking :: Forcing An Application To Use Specific Network Interface

Apr 19, 2010

How can I force a Wine application (or Wine itself) to use a specific network interface? I have installed hamachi and am trying to play starcraft over virtual LAN. However, when I run Starcraft with hamachi running, it does not work. I have now determined that hamachi creates a network interface called "ham0". How do I force Wine/Starcraft to use the "ham0" network connection? I have looked into forcebindip but it crashes on wine.

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Ubuntu Networking :: Unable To Get Share Connection To My Other Network Interface?

Aug 19, 2010

I am a big ubuntu fan (9.04) installed,everything went well, installed my network card(s) & the onboard without no problems/installation disc.I have 2 Network interface(s) that I used on windows xP to 'bridge' my connection, because I only have one slot on my router, and the last slot runs into my computer room and from the PC, I run it to the xbox/ps3.No matter what I do, I cannot get ubuntu to share connection
to my other network interface.

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Ubuntu Networking :: Hostname Not Announced With Static Network Interface

Sep 17, 2010

My /etc/hostname is not announced on the local network (not showing up on my Mac nor router) when setting /etc/network/interfaces to:

Code:

iface eth0 inet static
address10.0.0.10
netmask255.255.255.0
gateway10.0.0.1

I have tried bringing the interface up and down, and have also rebooted. If I change it to DHCP it will display, but this does not really help me.

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Ubuntu Networking :: Forcing An Application To Use Specific Network Interface?

Apr 8, 2011

How can I force a Wine application (or Wine itself) to use a specific network interface? I have installed hamachi and am trying to play starcraft over virtual LAN. However, when I run Starcraft with hamachi running, it does not work. I have now determined that hamachi creates a network interface called "ham0". How do I force Wine/Starcraft to use the "ham0" network connection?I have looked into forcebindip but it crashes on wine .

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Ubuntu Networking :: Network Tools Defaults To Loopback Interface

Jul 22, 2011

I'm running Ubuntu 11.04 and I've been unable to access any type of Internet service besides web browsing. When I check on Network Tools, it's always set on Loopback Interface, regardless of whether I've just switched it to Ethernet Interface. I haven't been able to download system updates through Update Manager. I'm not very experienced with Ubuntu.

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Networking :: Second Network Interface Doesn't Work?

Jul 3, 2010

I have two simultaneous active mobile connections through my two mobile phones and USB data cables. Yet I can only send/receive with one connection.Each of the phone modems have a node in /dev, namely ttyACM0 and ttyACM0. So the modems are detected correctly.After setting up two dial-up connections with the two modems I have two ip's. Ifconfig-a confirms this:

ppp0 Link encap:Point-to-Point Protocol
inet addr:10.10.219.60 P-t-P:10.6.6.6 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1

[code]....

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Networking :: Accessing Low Level Network Interface

Jul 7, 2010

I would like be able to access packets coming off the network with the hopes of coding a primitive packet sniffer for learning purposes. I would also like to be able to piece together my own packets and send them out on my network. Eventually, I would also like to write a simple firewall so I want the capability to drop packets as well as let them pass. I assume I will have to access the kernel with some system calls to do this, any one have any information or resources that could help me on this project?

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CentOS 5 Networking :: Errors On Network Interface

Sep 9, 2009

How to figure out why there are errors on bond0(eth0)

Transfer speed is in KB

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Ubuntu Networking :: Network Manager Doesn't Recognize Nas0 Interface?

Dec 23, 2010

Network manager doesn't recognize nas0 interface and i have problems with using Gwibber, Evolution mail,Empathy, etc Is there any way to add nas0 in Network manager?? I know the solution to remove Network manager, but i need Network manager because i'm often using wireless (as second internet connection).

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Fedora Networking :: Network Interface Will Not Start On Boot?

Sep 6, 2009

I'm a newbie on Linux and trying to find my feet so please be kind.I have installed vmware on my XP laptop and have installed fedora core 9. Network setting on the VMware is set to bridged. My interface eth0 which is using the wireless does not start on boot. I have to run ifup ifcfg-eth0.The file ifcfg-eth0 had onboot=yes and NM=no, so i changed it so that the NM=yes.However this does not resolve the problem at all. I have put the file back to its original configuration and I have disabled network manager and have had no luck

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Networking :: Configure The Network Interface Under The Owner (not ROOT)?

Apr 20, 2011

i have ubuntu 10.10 and i want to configure my interface eth0 with the commande line with owner (not the Root)$ifconfig : this commande works and listed all interface with some description -> thats goodbut when i use some parametre like @ip and netmask

$ifconfig eth0 10.10.10.1 netmask 255.255.255.0
SIOCSIFADDR: Permission denied
SIOCSIFFLAGS: Permission denied

[code]...

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Networking :: Network Interface Not Coming Up Automatically At Boot?

Feb 10, 2010

I installed Fedora 12 on an Eee PC 1001HA. This laptop has a Ralink RT3070 wireless chipset, for which the driver is not yet in the kernel (still in staging I believe). However I downloaded the driver, compiled it, and installed it. AFAICT, it works fine.

One small obstacle remains: I am uable to get the network interface to come up automatically; I have to run # ifconfig ra0 up. Because of this NetworkManager never sees the wireless interface, making connecting to WAPs a chore.

I created a ifconf-ra0 file in /etc/sysconfig/network-scripts, and it includes the line ONBOOT=yes, but this doesn't do the trick.

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CentOS 5 Networking :: Can't See The Physical Network Interface With Ifconfig - A?

Jun 3, 2010

Centos el5xen x86_64 in a company network, novell-netware, Static IP I have several issues with the Xen network configuration. This configuration worked before, and was maded by a other personn with a higher level in centos and network . I'm trying to re-install xen in bridging mode.

1) The dom0 ping in the company network, but can't acess to the Internet.

I de-activated firewall, iptables and SE-Linux for the test.

the ifconfig-a command return
eth0
lo
sit0 (IPV6 encapsuled in IPV4)
vif0
vnet0
but no Peth0 Physical device

Is it normal and how can i repare this ?

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Ubuntu Networking :: When Click Configure In Network Tools It Keeps Telling The Interface Does Not Exist?

Feb 12, 2010

I want to use a static ip address on my wireless network but when I click configure in network tools it keeps telling me The interface does not exist and to Check that it is correctly typed and that it is correctly supported by your system

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Ubuntu Networking :: Ad-hoc Network Doesn't Survive A Reboot / Avoid Having To Bring Down And Up Interface?

Mar 1, 2011

I'm configuring an HP Mini 110 (wireless BCM4313) to use it as a small Access Point (ad-hoc mode).

I want to make my configuration reboot friendly. With what I have right now, as soon as I reboot the laptop, the wireless interface configuration isn't correctly setup. I have to do "ifdown eth1; ifup eth1" manually.

Here is what I have in /etc/network/interfaces for the wireless interface code...

So the question is how can I avoid having to bring down and up the interface?

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